diff --git a/Modules/DiffusionImaging/DiffusionIO/mitkFiberBundleVtkReader.cpp b/Modules/DiffusionImaging/DiffusionIO/mitkFiberBundleVtkReader.cpp index cf874cb3ac..e492d58937 100644 --- a/Modules/DiffusionImaging/DiffusionIO/mitkFiberBundleVtkReader.cpp +++ b/Modules/DiffusionImaging/DiffusionIO/mitkFiberBundleVtkReader.cpp @@ -1,219 +1,277 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ #include "mitkFiberBundleVtkReader.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include +#include +#include #include "mitkDiffusionIOMimeTypes.h" mitk::FiberBundleVtkReader::FiberBundleVtkReader() - : mitk::AbstractFileReader( mitk::DiffusionIOMimeTypes::FIBERBUNDLE_VTK_MIMETYPE_NAME(), "VTK Fiber Bundle Reader" ) + : mitk::AbstractFileReader( mitk::DiffusionIOMimeTypes::FIBERBUNDLE_VTK_MIMETYPE_NAME(), "VTK Fiber Bundle Reader" ) { - m_ServiceReg = this->RegisterService(); + m_ServiceReg = this->RegisterService(); } mitk::FiberBundleVtkReader::FiberBundleVtkReader(const FiberBundleVtkReader &other) - :mitk::AbstractFileReader(other) + :mitk::AbstractFileReader(other) { } mitk::FiberBundleVtkReader * mitk::FiberBundleVtkReader::Clone() const { - return new FiberBundleVtkReader(*this); + return new FiberBundleVtkReader(*this); } std::vector > mitk::FiberBundleVtkReader::Read() { - std::vector > result; - try - { + std::vector > result; + const std::string& locale = "C"; const std::string& currLocale = setlocale( LC_ALL, NULL ); setlocale(LC_ALL, locale.c_str()); std::string filename = this->GetInputLocation(); std::string ext = itksys::SystemTools::GetFilenameLastExtension(filename); ext = itksys::SystemTools::LowerCase(ext); - vtkSmartPointer chooser=vtkSmartPointer::New(); - chooser->SetFileName( this->GetInputLocation().c_str() ); - if( chooser->IsFilePolyData()) + try { - vtkSmartPointer reader = vtkSmartPointer::New(); - reader->SetFileName( this->GetInputLocation().c_str() ); - reader->Update(); - - if ( reader->GetOutput() != NULL ) - { - vtkSmartPointer fiberPolyData = reader->GetOutput(); - FiberBundle::Pointer fiberBundle = FiberBundle::New(fiberPolyData); + MITK_INFO << "Trying to load fiber file as VTK format."; + vtkSmartPointer reader = vtkSmartPointer::New(); + reader->SetFileName( this->GetInputLocation().c_str() ); - vtkSmartPointer weights = vtkFloatArray::SafeDownCast(fiberPolyData->GetCellData()->GetArray("FIBER_WEIGHTS")); - if (weights!=NULL) + if (reader->IsFilePolyData()) { -// float weight=0; -// for (int i=0; iGetSize(); i++) -// if (!mitk::Equal(weights->GetValue(i),weight,0.00001)) -// { -// MITK_INFO << "Weight: " << weights->GetValue(i); -// weight = weights->GetValue(i); -// } - fiberBundle->SetFiberWeights(weights); + reader->Update(); + + if ( reader->GetOutput() != NULL ) + { + vtkSmartPointer fiberPolyData = reader->GetOutput(); + FiberBundle::Pointer fiberBundle = FiberBundle::New(fiberPolyData); + + vtkSmartPointer weights = vtkFloatArray::SafeDownCast(fiberPolyData->GetCellData()->GetArray("FIBER_WEIGHTS")); + if (weights!=NULL) + { +// float weight=0; +// for (int i=0; iGetSize(); i++) +// if (!mitk::Equal(weights->GetValue(i),weight,0.00001)) +// { +// MITK_INFO << "Weight: " << weights->GetValue(i); +// weight = weights->GetValue(i); +// } + fiberBundle->SetFiberWeights(weights); + } + + vtkSmartPointer fiberColors = vtkUnsignedCharArray::SafeDownCast(fiberPolyData->GetPointData()->GetArray("FIBER_COLORS")); + if (fiberColors!=NULL) + fiberBundle->SetFiberColors(fiberColors); + + result.push_back(fiberBundle.GetPointer()); + return result; + } } + else + MITK_INFO << "File is not VTK format."; + } + catch(...) + { + throw; + } + + try + { + MITK_INFO << "Trying to load fiber file as VTP format."; + vtkSmartPointer reader = vtkSmartPointer::New(); + reader->SetFileName( this->GetInputLocation().c_str() ); + + if ( reader->CanReadFile(this->GetInputLocation().c_str()) ) + { + reader->Update(); + + if ( reader->GetOutput() != NULL ) + { + vtkSmartPointer fiberPolyData = reader->GetOutput(); + FiberBundle::Pointer fiberBundle = FiberBundle::New(fiberPolyData); - vtkSmartPointer fiberColors = vtkUnsignedCharArray::SafeDownCast(fiberPolyData->GetPointData()->GetArray("FIBER_COLORS")); - if (fiberColors!=NULL) - fiberBundle->SetFiberColors(fiberColors); + vtkSmartPointer weights = vtkFloatArray::SafeDownCast(fiberPolyData->GetCellData()->GetArray("FIBER_WEIGHTS")); - result.push_back(fiberBundle.GetPointer()); - return result; - } + if (weights!=NULL) + { +// float weight=0; +// for (int i=0; iGetSize(); i++) +// if (!mitk::Equal(weights->GetValue(i),weight,0.00001)) +// { +// MITK_INFO << "Weight: " << weights->GetValue(i); +// weight = weights->GetValue(i); +// } + fiberBundle->SetFiberWeights(weights); + } + + vtkSmartPointer fiberColors = vtkUnsignedCharArray::SafeDownCast(fiberPolyData->GetPointData()->GetArray("FIBER_COLORS")); + if (fiberColors!=NULL) + fiberBundle->SetFiberColors(fiberColors); + + result.push_back(fiberBundle.GetPointer()); + return result; + } + } + else + MITK_INFO << "File is not VTP format."; } - else // try to read deprecated fiber bundle file format + catch(...) { - MITK_INFO << "Reading xml fiber bundle"; - vtkSmartPointer fiberPolyData = vtkSmartPointer::New(); - vtkSmartPointer cellArray = vtkSmartPointer::New(); - vtkSmartPointer points = vtkSmartPointer::New(); - TiXmlDocument doc( this->GetInputLocation().c_str() ); - if(doc.LoadFile()) - { - TiXmlHandle hDoc(&doc); - TiXmlElement* pElem; - TiXmlHandle hRoot(0); - pElem = hDoc.FirstChildElement().Element(); - // save this for later - hRoot = TiXmlHandle(pElem); - pElem = hRoot.FirstChildElement("geometry").Element(); - // read geometry - mitk::Geometry3D::Pointer geometry = mitk::Geometry3D::New(); - // read origin - mitk::Point3D origin; - double temp = 0; - pElem->Attribute("origin_x", &temp); - origin[0] = temp; - pElem->Attribute("origin_y", &temp); - origin[1] = temp; - pElem->Attribute("origin_z", &temp); - origin[2] = temp; - geometry->SetOrigin(origin); - // read spacing - ScalarType spacing[3]; - pElem->Attribute("spacing_x", &temp); - spacing[0] = temp; - pElem->Attribute("spacing_y", &temp); - spacing[1] = temp; - pElem->Attribute("spacing_z", &temp); - spacing[2] = temp; - geometry->SetSpacing(spacing); - // read transform - vtkMatrix4x4* m = vtkMatrix4x4::New(); - pElem->Attribute("xx", &temp); - m->SetElement(0,0,temp); - pElem->Attribute("xy", &temp); - m->SetElement(1,0,temp); - pElem->Attribute("xz", &temp); - m->SetElement(2,0,temp); - pElem->Attribute("yx", &temp); - m->SetElement(0,1,temp); - pElem->Attribute("yy", &temp); - m->SetElement(1,1,temp); - pElem->Attribute("yz", &temp); - m->SetElement(2,1,temp); - pElem->Attribute("zx", &temp); - m->SetElement(0,2,temp); - pElem->Attribute("zy", &temp); - m->SetElement(1,2,temp); - pElem->Attribute("zz", &temp); - m->SetElement(2,2,temp); - m->SetElement(0,3,origin[0]); - m->SetElement(1,3,origin[1]); - m->SetElement(2,3,origin[2]); - m->SetElement(3,3,1); - geometry->SetIndexToWorldTransformByVtkMatrix(m); - // read bounds - float bounds[] = {0, 0, 0, 0, 0, 0}; - pElem->Attribute("size_x", &temp); - bounds[1] = temp; - pElem->Attribute("size_y", &temp); - bounds[3] = temp; - pElem->Attribute("size_z", &temp); - bounds[5] = temp; - geometry->SetFloatBounds(bounds); - geometry->SetImageGeometry(true); - pElem = hRoot.FirstChildElement("fiber_bundle").FirstChild().Element(); - for( ; pElem ; pElem=pElem->NextSiblingElement()) + throw; + } + + try + { + MITK_INFO << "Trying to load fiber file as deprecated XML format."; + vtkSmartPointer fiberPolyData = vtkSmartPointer::New(); + vtkSmartPointer cellArray = vtkSmartPointer::New(); + vtkSmartPointer points = vtkSmartPointer::New(); + TiXmlDocument doc( this->GetInputLocation().c_str() ); + if(doc.LoadFile()) { - TiXmlElement* pElem2 = pElem->FirstChildElement(); - vtkSmartPointer container = vtkSmartPointer::New(); - for( ; pElem2; pElem2=pElem2->NextSiblingElement()) - { - Point3D point; - pElem2->Attribute("pos_x", &temp); - point[0] = temp; - pElem2->Attribute("pos_y", &temp); - point[1] = temp; - pElem2->Attribute("pos_z", &temp); - point[2] = temp; - geometry->IndexToWorld(point, point); - vtkIdType id = points->InsertNextPoint(point.GetDataPointer()); - container->GetPointIds()->InsertNextId(id); - } - cellArray->InsertNextCell(container); + TiXmlHandle hDoc(&doc); + TiXmlElement* pElem; + TiXmlHandle hRoot(0); + pElem = hDoc.FirstChildElement().Element(); + // save this for later + hRoot = TiXmlHandle(pElem); + pElem = hRoot.FirstChildElement("geometry").Element(); + // read geometry + mitk::Geometry3D::Pointer geometry = mitk::Geometry3D::New(); + // read origin + mitk::Point3D origin; + double temp = 0; + pElem->Attribute("origin_x", &temp); + origin[0] = temp; + pElem->Attribute("origin_y", &temp); + origin[1] = temp; + pElem->Attribute("origin_z", &temp); + origin[2] = temp; + geometry->SetOrigin(origin); + // read spacing + ScalarType spacing[3]; + pElem->Attribute("spacing_x", &temp); + spacing[0] = temp; + pElem->Attribute("spacing_y", &temp); + spacing[1] = temp; + pElem->Attribute("spacing_z", &temp); + spacing[2] = temp; + geometry->SetSpacing(spacing); + // read transform + vtkMatrix4x4* m = vtkMatrix4x4::New(); + pElem->Attribute("xx", &temp); + m->SetElement(0,0,temp); + pElem->Attribute("xy", &temp); + m->SetElement(1,0,temp); + pElem->Attribute("xz", &temp); + m->SetElement(2,0,temp); + pElem->Attribute("yx", &temp); + m->SetElement(0,1,temp); + pElem->Attribute("yy", &temp); + m->SetElement(1,1,temp); + pElem->Attribute("yz", &temp); + m->SetElement(2,1,temp); + pElem->Attribute("zx", &temp); + m->SetElement(0,2,temp); + pElem->Attribute("zy", &temp); + m->SetElement(1,2,temp); + pElem->Attribute("zz", &temp); + m->SetElement(2,2,temp); + m->SetElement(0,3,origin[0]); + m->SetElement(1,3,origin[1]); + m->SetElement(2,3,origin[2]); + m->SetElement(3,3,1); + geometry->SetIndexToWorldTransformByVtkMatrix(m); + // read bounds + float bounds[] = {0, 0, 0, 0, 0, 0}; + pElem->Attribute("size_x", &temp); + bounds[1] = temp; + pElem->Attribute("size_y", &temp); + bounds[3] = temp; + pElem->Attribute("size_z", &temp); + bounds[5] = temp; + geometry->SetFloatBounds(bounds); + geometry->SetImageGeometry(true); + pElem = hRoot.FirstChildElement("fiber_bundle").FirstChild().Element(); + for( ; pElem ; pElem=pElem->NextSiblingElement()) + { + TiXmlElement* pElem2 = pElem->FirstChildElement(); + vtkSmartPointer container = vtkSmartPointer::New(); + for( ; pElem2; pElem2=pElem2->NextSiblingElement()) + { + Point3D point; + pElem2->Attribute("pos_x", &temp); + point[0] = temp; + pElem2->Attribute("pos_y", &temp); + point[1] = temp; + pElem2->Attribute("pos_z", &temp); + point[2] = temp; + geometry->IndexToWorld(point, point); + vtkIdType id = points->InsertNextPoint(point.GetDataPointer()); + container->GetPointIds()->InsertNextId(id); + } + cellArray->InsertNextCell(container); + } + fiberPolyData->SetPoints(points); + fiberPolyData->SetLines(cellArray); + vtkSmartPointer cleaner = vtkSmartPointer::New(); + cleaner->SetInputData(fiberPolyData); + cleaner->Update(); + fiberPolyData = cleaner->GetOutput(); + FiberBundle::Pointer image = FiberBundle::New(fiberPolyData); + result.push_back(image.GetPointer()); + return result; } - fiberPolyData->SetPoints(points); - fiberPolyData->SetLines(cellArray); - vtkSmartPointer cleaner = vtkSmartPointer::New(); - cleaner->SetInputData(fiberPolyData); - cleaner->Update(); - fiberPolyData = cleaner->GetOutput(); - FiberBundle::Pointer image = FiberBundle::New(fiberPolyData); - result.push_back(image.GetPointer()); - return result; - } - else - { - MITK_ERROR << "could not open xml file"; - throw "could not open xml file"; - } + else + { + MITK_INFO << "File is not deprectaed XML format."; + } + + setlocale(LC_ALL, currLocale.c_str()); + MITK_INFO << "Fiber bundle read"; + } + catch(...) + { + throw; } - setlocale(LC_ALL, currLocale.c_str()); - MITK_INFO << "Fiber bundle read"; - } - catch(...) - { - throw; - } - return result; + + throw "Selected file is no vtk readable fiber format (binary or ascii vtk or vtp file)."; + + return result; } diff --git a/Modules/DiffusionImaging/DiffusionIO/mitkFiberBundleVtkWriter.cpp b/Modules/DiffusionImaging/DiffusionIO/mitkFiberBundleVtkWriter.cpp index 84341e2022..5e46a6df8e 100644 --- a/Modules/DiffusionImaging/DiffusionIO/mitkFiberBundleVtkWriter.cpp +++ b/Modules/DiffusionImaging/DiffusionIO/mitkFiberBundleVtkWriter.cpp @@ -1,133 +1,155 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ #include "mitkFiberBundleVtkWriter.h" #include #include #include #include #include #include #include #include #include #include +#include #include "mitkDiffusionIOMimeTypes.h" mitk::FiberBundleVtkWriter::FiberBundleVtkWriter() : mitk::AbstractFileWriter(mitk::FiberBundle::GetStaticNameOfClass(), mitk::DiffusionIOMimeTypes::FIBERBUNDLE_VTK_MIMETYPE_NAME(), "VTK Fiber Bundle Writer") { Options defaultOptions; defaultOptions["Save as binary file"] = true; + defaultOptions["Save as xml file (vtp style)"] = false; defaultOptions["Save color information"] = true; defaultOptions["Save fiber weights"] = true; this->SetDefaultOptions(defaultOptions); RegisterService(); } mitk::FiberBundleVtkWriter::FiberBundleVtkWriter(const mitk::FiberBundleVtkWriter & other) :mitk::AbstractFileWriter(other) {} mitk::FiberBundleVtkWriter::~FiberBundleVtkWriter() {} mitk::FiberBundleVtkWriter * mitk::FiberBundleVtkWriter::Clone() const { return new mitk::FiberBundleVtkWriter(*this); } void mitk::FiberBundleVtkWriter::Write() { std::ostream* out; std::ofstream outStream; if( this->GetOutputStream() ) { out = this->GetOutputStream(); }else{ outStream.open( this->GetOutputLocation().c_str() ); out = &outStream; } if ( !out->good() ) { mitkThrow() << "Stream not good."; } try { const std::string& locale = "C"; const std::string& currLocale = setlocale( LC_ALL, NULL ); setlocale(LC_ALL, locale.c_str()); std::locale previousLocale(out->getloc()); std::locale I("C"); out->imbue(I); std::string filename = this->GetOutputLocation().c_str(); mitk::FiberBundle::ConstPointer input = dynamic_cast(this->GetInput()); std::string ext = itksys::SystemTools::GetFilenameLastExtension(this->GetOutputLocation().c_str()); Options options = this->GetOptions(); vtkSmartPointer fibPoly = input->GetFiberPolyData(); if (us::any_cast(options["Save fiber weights"])) { MITK_INFO << "Adding fiber weight information"; fibPoly->GetCellData()->AddArray(input->GetFiberWeights()); } else if (fibPoly->GetCellData()->HasArray("FIBER_WEIGHTS")) fibPoly->GetCellData()->RemoveArray("FIBER_WEIGHTS"); if (us::any_cast(options["Save color information"])) { MITK_INFO << "Adding color information"; fibPoly->GetPointData()->AddArray(input->GetFiberColors()); } else if (fibPoly->GetPointData()->HasArray("FIBER_COLORS")) fibPoly->GetPointData()->RemoveArray("FIBER_COLORS"); // default extension is .fib if(ext == "") { ext = ".fib"; this->SetOutputLocation(this->GetOutputLocation() + ext); } - vtkSmartPointer writer = vtkSmartPointer::New(); - writer->SetInputData(fibPoly); - writer->SetFileName(filename.c_str()); - if (us::any_cast(options["Save as binary file"])) + if (us::any_cast(options["Save as xml file (vtp style)"])) { - MITK_INFO << "Writing fiber bundle as vtk binary file"; - writer->SetFileTypeToBinary(); + vtkSmartPointer writer = vtkSmartPointer::New(); + writer->SetInputData(fibPoly); + writer->SetFileName(filename.c_str()); + if (us::any_cast(options["Save as binary file"])) + { + MITK_INFO << "Writing fiber bundle as vtk binary file"; + writer->SetDataModeToBinary(); + } + else + { + MITK_INFO << "Writing fiber bundle as vtk ascii file"; + writer->SetDataModeToAscii(); + } + writer->Write(); } else { - MITK_INFO << "Writing fiber bundle as vtk ascii file"; - writer->SetFileTypeToASCII(); + vtkSmartPointer writer = vtkSmartPointer::New(); + writer->SetInputData(fibPoly); + writer->SetFileName(filename.c_str()); + if (us::any_cast(options["Save as binary file"])) + { + MITK_INFO << "Writing fiber bundle as vtk binary file"; + writer->SetFileTypeToBinary(); + } + else + { + MITK_INFO << "Writing fiber bundle as vtk ascii file"; + writer->SetFileTypeToASCII(); + } + writer->Write(); } - writer->Write(); setlocale(LC_ALL, currLocale.c_str()); MITK_INFO << "Fiber bundle written"; } catch(...) { throw; } } diff --git a/Modules/DiffusionImaging/FiberTracking/Fiberfox/itkKspaceImageFilter.cpp b/Modules/DiffusionImaging/FiberTracking/Fiberfox/itkKspaceImageFilter.cpp index 6d9eddc824..f14bf39a32 100644 --- a/Modules/DiffusionImaging/FiberTracking/Fiberfox/itkKspaceImageFilter.cpp +++ b/Modules/DiffusionImaging/FiberTracking/Fiberfox/itkKspaceImageFilter.cpp @@ -1,359 +1,359 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ #ifndef __itkKspaceImageFilter_txx #define __itkKspaceImageFilter_txx #include #include #include #include "itkKspaceImageFilter.h" #include #include #include #include #include #define _USE_MATH_DEFINES #include namespace itk { template< class TPixelType > KspaceImageFilter< TPixelType > ::KspaceImageFilter() : m_Z(0) , m_UseConstantRandSeed(false) , m_SpikesPerSlice(0) , m_IsBaseline(true) { m_DiffusionGradientDirection.Fill(0.0); m_CoilPosition.Fill(0.0); } template< class TPixelType > void KspaceImageFilter< TPixelType > ::BeforeThreadedGenerateData() { m_Spike = vcl_complex(0,0); typename OutputImageType::Pointer outputImage = OutputImageType::New(); itk::ImageRegion<2> region; region.SetSize(0, m_Parameters.m_SignalGen.m_CroppedRegion.GetSize(0)); region.SetSize(1, m_Parameters.m_SignalGen.m_CroppedRegion.GetSize(1)); outputImage->SetLargestPossibleRegion( region ); outputImage->SetBufferedRegion( region ); outputImage->SetRequestedRegion( region ); outputImage->Allocate(); outputImage->FillBuffer(m_Spike); m_KSpaceImage = InputImageType::New(); m_KSpaceImage->SetLargestPossibleRegion( region ); m_KSpaceImage->SetBufferedRegion( region ); m_KSpaceImage->SetRequestedRegion( region ); m_KSpaceImage->Allocate(); m_KSpaceImage->FillBuffer(0.0); m_Gamma = 42576000; // Gyromagnetic ratio in Hz/T if ( m_Parameters.m_SignalGen.m_EddyStrength>0 && m_DiffusionGradientDirection.GetNorm()>0.001) { m_DiffusionGradientDirection.Normalize(); m_DiffusionGradientDirection = m_DiffusionGradientDirection * m_Parameters.m_SignalGen.m_EddyStrength/1000 * m_Gamma; m_IsBaseline = false; } this->SetNthOutput(0, outputImage); m_Transform = m_Parameters.m_SignalGen.m_ImageDirection; for (int i=0; i<3; i++) for (int j=0; j<3; j++) m_Transform[i][j] *= m_Parameters.m_SignalGen.m_ImageSpacing[j]; double a = m_Parameters.m_SignalGen.m_ImageRegion.GetSize(0)*m_Parameters.m_SignalGen.m_ImageSpacing[0]; double b = m_Parameters.m_SignalGen.m_ImageRegion.GetSize(1)*m_Parameters.m_SignalGen.m_ImageSpacing[1]; double diagonal = sqrt(a*a+b*b)/1000; // image diagonal in m switch (m_Parameters.m_SignalGen.m_CoilSensitivityProfile) { case SignalGenerationParameters::COIL_CONSTANT: { m_CoilSensitivityFactor = 1; // same signal everywhere break; } case SignalGenerationParameters::COIL_LINEAR: { m_CoilSensitivityFactor = -1/diagonal; // about 50% of the signal in the image center remaining break; } case SignalGenerationParameters::COIL_EXPONENTIAL: { m_CoilSensitivityFactor = -log(0.1)/diagonal; // about 32% of the signal in the image center remaining break; } } - if (m_ReadoutScheme!=nullptr) - delete m_ReadoutScheme; m_ReadoutScheme = new mitk::SingleShotEpi(m_Parameters); } template< class TPixelType > double KspaceImageFilter< TPixelType >::CoilSensitivity(DoubleVectorType& pos) { // ************************************************************************* // Coil ring is moving with excited slice (FIX THIS SOMETIME) m_CoilPosition[2] = pos[2]; // ************************************************************************* switch (m_Parameters.m_SignalGen.m_CoilSensitivityProfile) { case SignalGenerationParameters::COIL_CONSTANT: return 1; case SignalGenerationParameters::COIL_LINEAR: { DoubleVectorType diff = pos-m_CoilPosition; double sens = diff.GetNorm()*m_CoilSensitivityFactor + 1; if (sens<0) sens = 0; return sens; } case SignalGenerationParameters::COIL_EXPONENTIAL: { DoubleVectorType diff = pos-m_CoilPosition; double dist = diff.GetNorm(); return exp(-dist*m_CoilSensitivityFactor); } default: return 1; } } template< class TPixelType > void KspaceImageFilter< TPixelType > ::ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread, ThreadIdType threadID) { itk::Statistics::MersenneTwisterRandomVariateGenerator::Pointer randGen = itk::Statistics::MersenneTwisterRandomVariateGenerator::New(); randGen->SetSeed(); if (m_UseConstantRandSeed) // always generate the same random numbers? randGen->SetSeed(threadID*100); else randGen->SetSeed(); typename OutputImageType::Pointer outputImage = static_cast< OutputImageType * >(this->ProcessObject::GetOutput(0)); ImageRegionIterator< OutputImageType > oit(outputImage, outputRegionForThread); typedef ImageRegionConstIterator< InputImageType > InputIteratorType; double kxMax = m_Parameters.m_SignalGen.m_CroppedRegion.GetSize(0); double kyMax = m_Parameters.m_SignalGen.m_CroppedRegion.GetSize(1); double xMax = m_CompartmentImages.at(0)->GetLargestPossibleRegion().GetSize(0); // scanner coverage in x-direction double yMax = m_CompartmentImages.at(0)->GetLargestPossibleRegion().GetSize(1); // scanner coverage in y-direction double yMaxFov = yMax*m_Parameters.m_SignalGen.m_CroppingFactor; // actual FOV in y-direction (in x-direction FOV=xMax) double numPix = kxMax*kyMax; double noiseVar = m_Parameters.m_SignalGen.m_PartialFourier*m_Parameters.m_SignalGen.m_NoiseVariance/(kyMax*kxMax); // adjust noise variance since it is the intended variance in physical space and not in k-space while( !oit.IsAtEnd() ) { // dephasing time double t= m_ReadoutScheme->GetTimeFromMaxEcho(oit.GetIndex()); // readout time double tall = m_ReadoutScheme->GetRedoutTime(oit.GetIndex()); // calculate eddy current decay factor double eddyDecay = 0; if ( m_Parameters.m_Misc.m_CheckAddEddyCurrentsBox && m_Parameters.m_SignalGen.m_EddyStrength>0) eddyDecay = exp(-tall/m_Parameters.m_SignalGen.m_Tau ); // calcualte signal relaxation factors std::vector< double > relaxFactor; if ( m_Parameters.m_SignalGen.m_DoSimulateRelaxation) for (unsigned int i=0; i kIdx = m_ReadoutScheme->GetActualKspaceIndex(oit.GetIndex()); // partial fourier bool pf = false; if (kIdx[1]>kyMax*m_Parameters.m_SignalGen.m_PartialFourier) pf = true; // shift k for DFT: (0 -- N) --> (-N/2 -- N/2) double kx = kIdx[0]; double ky = kIdx[1]; if ((int)kxMax%2==1) kx -= (kxMax-1)/2; else kx -= kxMax/2; if ((int)kyMax%2==1) ky -= (kyMax-1)/2; else ky -= kyMax/2; // add ghosting if (oit.GetIndex()[1]%2 == 1) kx -= m_Parameters.m_SignalGen.m_KspaceLineOffset; // add gradient delay induced offset else kx += m_Parameters.m_SignalGen.m_KspaceLineOffset; // add gradient delay induced offset if (!pf) { vcl_complex s(0,0); InputIteratorType it(m_CompartmentImages.at(0), m_CompartmentImages.at(0)->GetLargestPossibleRegion() ); while( !it.IsAtEnd() ) { double x = it.GetIndex()[0]; double y = it.GetIndex()[1]; if ((int)xMax%2==1) x -= (xMax-1)/2; else x -= xMax/2; if ((int)yMax%2==1) y -= (yMax-1)/2; else y -= yMax/2; DoubleVectorType pos; pos[0] = x; pos[1] = y; pos[2] = m_Z; pos = m_Transform*pos/1000; // vector from image center to current position (in meter) vcl_complex f(0, 0); // sum compartment signals and simulate relaxation for (unsigned int i=0; i( m_CompartmentImages.at(i)->GetPixel(it.GetIndex()) * relaxFactor.at(i) * m_Parameters.m_SignalGen.m_SignalScale, 0); else f += std::complex( m_CompartmentImages.at(i)->GetPixel(it.GetIndex()) * m_Parameters.m_SignalGen.m_SignalScale ); if (m_Parameters.m_SignalGen.m_CoilSensitivityProfile!=SignalGenerationParameters::COIL_CONSTANT) f *= CoilSensitivity(pos); // simulate eddy currents and other distortions double omega = 0; // frequency offset if ( m_Parameters.m_SignalGen.m_EddyStrength>0 && m_Parameters.m_Misc.m_CheckAddEddyCurrentsBox && !m_IsBaseline) { omega += (m_DiffusionGradientDirection[0]*pos[0]+m_DiffusionGradientDirection[1]*pos[1]+m_DiffusionGradientDirection[2]*pos[2]) * eddyDecay; } if (m_Parameters.m_SignalGen.m_FrequencyMap.IsNotNull()) // simulate distortions { itk::Point point3D; ItkDoubleImgType::IndexType index; index[0] = it.GetIndex()[0]; index[1] = it.GetIndex()[1]; index[2] = m_Zidx; if (m_Parameters.m_SignalGen.m_DoAddMotion) { m_Parameters.m_SignalGen.m_FrequencyMap->TransformIndexToPhysicalPoint(index, point3D); point3D = m_FiberBundle->TransformPoint(point3D.GetVnlVector(), -m_Rotation[0],-m_Rotation[1],-m_Rotation[2],-m_Translation[0],-m_Translation[1],-m_Translation[2]); m_Parameters.m_SignalGen.m_FrequencyMap->TransformPhysicalPointToIndex(point3D, index); if (m_Parameters.m_SignalGen.m_FrequencyMap->GetLargestPossibleRegion().IsInside(index)) omega += m_Parameters.m_SignalGen.m_FrequencyMap->GetPixel(index); } else { omega += m_Parameters.m_SignalGen.m_FrequencyMap->GetPixel(index); } } // if signal comes from outside FOV, mirror it back (wrap-around artifact - aliasing) if (y<-yMaxFov/2) y += yMaxFov; else if (y>=yMaxFov/2) y -= yMaxFov; // actual DFT term s += f * exp( std::complex(0, 2 * M_PI * (kx*x/xMax + ky*y/yMaxFov + omega*t/1000 )) ); ++it; } s /= numPix; if (m_SpikesPerSlice>0 && sqrt(s.imag()*s.imag()+s.real()*s.real()) > sqrt(m_Spike.imag()*m_Spike.imag()+m_Spike.real()*m_Spike.real()) ) m_Spike = s; if (m_Parameters.m_SignalGen.m_NoiseVariance>0) s = vcl_complex(s.real()+randGen->GetNormalVariate(0,noiseVar), s.imag()+randGen->GetNormalVariate(0,noiseVar)); outputImage->SetPixel(kIdx, s); // m_KSpaceImage->SetPixel(kIdx, t/dt ); m_KSpaceImage->SetPixel(kIdx, sqrt(s.imag()*s.imag()+s.real()*s.real()) ); } ++oit; } } template< class TPixelType > void KspaceImageFilter< TPixelType > ::AfterThreadedGenerateData() { + delete m_ReadoutScheme; + typename OutputImageType::Pointer outputImage = static_cast< OutputImageType * >(this->ProcessObject::GetOutput(0)); double kxMax = outputImage->GetLargestPossibleRegion().GetSize(0); // k-space size in x-direction double kyMax = outputImage->GetLargestPossibleRegion().GetSize(1); // k-space size in y-direction ImageRegionIterator< OutputImageType > oit(outputImage, outputImage->GetLargestPossibleRegion()); while( !oit.IsAtEnd() ) // use hermitian k-space symmetry to fill empty k-space parts resulting from partial fourier acquisition { itk::Index< 2 > kIdx; kIdx[0] = oit.GetIndex()[0]; kIdx[1] = oit.GetIndex()[1]; // reverse phase if (!m_Parameters.m_SignalGen.m_ReversePhase) kIdx[1] = kyMax-1-kIdx[1]; if (kIdx[1]>kyMax*m_Parameters.m_SignalGen.m_PartialFourier) { // reverse readout direction if (oit.GetIndex()[1]%2 == 1) kIdx[0] = kxMax-kIdx[0]-1; // calculate symmetric index itk::Index< 2 > kIdx2; kIdx2[0] = (int)(kxMax-kIdx[0]-(int)kxMax%2)%(int)kxMax; kIdx2[1] = (int)(kyMax-kIdx[1]-(int)kyMax%2)%(int)kyMax; // use complex conjugate of symmetric index value at current index vcl_complex s = outputImage->GetPixel(kIdx2); s = vcl_complex(s.real(), -s.imag()); outputImage->SetPixel(kIdx, s); m_KSpaceImage->SetPixel(kIdx, sqrt(s.imag()*s.imag()+s.real()*s.real()) ); } ++oit; } itk::Statistics::MersenneTwisterRandomVariateGenerator::Pointer randGen = itk::Statistics::MersenneTwisterRandomVariateGenerator::New(); randGen->SetSeed(); if (m_UseConstantRandSeed) // always generate the same random numbers? randGen->SetSeed(0); else randGen->SetSeed(); m_Spike *= m_Parameters.m_SignalGen.m_SpikeAmplitude; itk::Index< 2 > spikeIdx; for (unsigned int i=0; iGetIntegerVariate()%(int)kxMax; spikeIdx[1] = randGen->GetIntegerVariate()%(int)kyMax; outputImage->SetPixel(spikeIdx, m_Spike); } } } #endif diff --git a/Modules/DiffusionImaging/FiberTracking/Fiberfox/itkTractsToDWIImageFilter.cpp b/Modules/DiffusionImaging/FiberTracking/Fiberfox/itkTractsToDWIImageFilter.cpp index 88182f792a..e12ddcd996 100755 --- a/Modules/DiffusionImaging/FiberTracking/Fiberfox/itkTractsToDWIImageFilter.cpp +++ b/Modules/DiffusionImaging/FiberTracking/Fiberfox/itkTractsToDWIImageFilter.cpp @@ -1,1568 +1,1568 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ #include "itkTractsToDWIImageFilter.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include namespace itk { template< class PixelType > TractsToDWIImageFilter< PixelType >::TractsToDWIImageFilter() : m_FiberBundle(NULL) , m_StatusText("") , m_UseConstantRandSeed(false) , m_RandGen(itk::Statistics::MersenneTwisterRandomVariateGenerator::New()) { m_RandGen->SetSeed(); } template< class PixelType > TractsToDWIImageFilter< PixelType >::~TractsToDWIImageFilter() { } template< class PixelType > TractsToDWIImageFilter< PixelType >::DoubleDwiType::Pointer TractsToDWIImageFilter< PixelType >::SimulateKspaceAcquisition( std::vector< DoubleDwiType::Pointer >& images ) { int numFiberCompartments = m_Parameters.m_FiberModelList.size(); // create slice object ImageRegion<2> sliceRegion; sliceRegion.SetSize(0, m_WorkingImageRegion.GetSize()[0]); sliceRegion.SetSize(1, m_WorkingImageRegion.GetSize()[1]); Vector< double, 2 > sliceSpacing; sliceSpacing[0] = m_WorkingSpacing[0]; sliceSpacing[1] = m_WorkingSpacing[1]; DoubleDwiType::PixelType nullPix; nullPix.SetSize(images.at(0)->GetVectorLength()); nullPix.Fill(0.0); DoubleDwiType::Pointer magnitudeDwiImage = DoubleDwiType::New(); magnitudeDwiImage->SetSpacing( m_Parameters.m_SignalGen.m_ImageSpacing ); magnitudeDwiImage->SetOrigin( m_Parameters.m_SignalGen.m_ImageOrigin ); magnitudeDwiImage->SetDirection( m_Parameters.m_SignalGen.m_ImageDirection ); magnitudeDwiImage->SetLargestPossibleRegion( m_Parameters.m_SignalGen.m_CroppedRegion ); magnitudeDwiImage->SetBufferedRegion( m_Parameters.m_SignalGen.m_CroppedRegion ); magnitudeDwiImage->SetRequestedRegion( m_Parameters.m_SignalGen.m_CroppedRegion ); magnitudeDwiImage->SetVectorLength( images.at(0)->GetVectorLength() ); magnitudeDwiImage->Allocate(); magnitudeDwiImage->FillBuffer(nullPix); m_PhaseImage = DoubleDwiType::New(); m_PhaseImage->SetSpacing( m_Parameters.m_SignalGen.m_ImageSpacing ); m_PhaseImage->SetOrigin( m_Parameters.m_SignalGen.m_ImageOrigin ); m_PhaseImage->SetDirection( m_Parameters.m_SignalGen.m_ImageDirection ); m_PhaseImage->SetLargestPossibleRegion( m_Parameters.m_SignalGen.m_CroppedRegion ); m_PhaseImage->SetBufferedRegion( m_Parameters.m_SignalGen.m_CroppedRegion ); m_PhaseImage->SetRequestedRegion( m_Parameters.m_SignalGen.m_CroppedRegion ); m_PhaseImage->SetVectorLength( images.at(0)->GetVectorLength() ); m_PhaseImage->Allocate(); m_PhaseImage->FillBuffer(nullPix); // itk::ImageRegion<4> imageRegion4D; // itk::Vector imageSpacing4D; imageSpacing4D.Fill(1); // itk::Point imageOrigin4D; imageOrigin4D.Fill(0); // itk::Matrix imageDirection4D; imageDirection4D.SetIdentity(); // imageRegion4D.SetSize(0, m_Parameters.m_SignalGen.m_CroppedRegion.GetSize(0)); // imageRegion4D.SetSize(1, m_Parameters.m_SignalGen.m_CroppedRegion.GetSize(1)); // imageRegion4D.SetSize(2, m_Parameters.m_SignalGen.m_CroppedRegion.GetSize(2)); // imageRegion4D.SetSize(3, m_Parameters.m_SignalGen.m_NumberOfCoils); // for (int i=0; i<3; i++) // { // imageSpacing4D[i] = m_Parameters.m_SignalGen.m_ImageSpacing[i]; // imageOrigin4D[i] = m_Parameters.m_SignalGen.m_ImageOrigin[i]; // for (int j=0; j<3; j++) // imageDirection4D[i][j]=m_Parameters.m_SignalGen.m_ImageDirection[i][j]; // } //// ItkDoubleImgType4D::PixelType nullPix4D; //// nullPix4D.SetSize(images.at(0)->GetVectorLength()); //// nullPix4D.Fill(0.0); // m_KspaceImage = ItkDoubleImgType4D::New(); // m_KspaceImage->SetSpacing( imageSpacing4D ); // m_KspaceImage->SetOrigin( imageOrigin4D ); // m_KspaceImage->SetDirection( imageDirection4D ); // m_KspaceImage->SetLargestPossibleRegion( imageRegion4D ); // m_KspaceImage->SetBufferedRegion( imageRegion4D ); // m_KspaceImage->SetRequestedRegion( imageRegion4D ); //// m_KspaceImage->SetVectorLength( images.at(0)->GetVectorLength() ); // m_KspaceImage->Allocate(); // m_KspaceImage->FillBuffer(0); m_KspaceImage = DoubleDwiType::New(); m_KspaceImage->SetSpacing( m_Parameters.m_SignalGen.m_ImageSpacing ); m_KspaceImage->SetOrigin( m_Parameters.m_SignalGen.m_ImageOrigin ); m_KspaceImage->SetDirection( m_Parameters.m_SignalGen.m_ImageDirection ); m_KspaceImage->SetLargestPossibleRegion( m_Parameters.m_SignalGen.m_CroppedRegion ); m_KspaceImage->SetBufferedRegion( m_Parameters.m_SignalGen.m_CroppedRegion ); m_KspaceImage->SetRequestedRegion( m_Parameters.m_SignalGen.m_CroppedRegion ); m_KspaceImage->SetVectorLength( m_Parameters.m_SignalGen.m_NumberOfCoils ); m_KspaceImage->Allocate(); m_KspaceImage->FillBuffer(nullPix); std::vector< unsigned int > spikeVolume; for (unsigned int i=0; iGetIntegerVariate()%(images.at(0)->GetVectorLength())); std::sort (spikeVolume.begin(), spikeVolume.end()); std::reverse (spikeVolume.begin(), spikeVolume.end()); // calculate coil positions double a = m_Parameters.m_SignalGen.m_ImageRegion.GetSize(0)*m_Parameters.m_SignalGen.m_ImageSpacing[0]; double b = m_Parameters.m_SignalGen.m_ImageRegion.GetSize(1)*m_Parameters.m_SignalGen.m_ImageSpacing[1]; double c = m_Parameters.m_SignalGen.m_ImageRegion.GetSize(2)*m_Parameters.m_SignalGen.m_ImageSpacing[2]; double diagonal = sqrt(a*a+b*b)/1000; // image diagonal in m m_CoilPointset = mitk::PointSet::New(); std::vector< itk::Vector > coilPositions; itk::Vector pos; pos.Fill(0.0); pos[1] = -diagonal/2; itk::Vector center; center[0] = a/2-m_Parameters.m_SignalGen.m_ImageSpacing[0]/2; center[1] = b/2-m_Parameters.m_SignalGen.m_ImageSpacing[2]/2; center[2] = c/2-m_Parameters.m_SignalGen.m_ImageSpacing[1]/2; for (int c=0; cInsertPoint(c, pos*1000 + m_Parameters.m_SignalGen.m_ImageOrigin.GetVectorFromOrigin() + center ); double rz = 360.0/m_Parameters.m_SignalGen.m_NumberOfCoils * M_PI/180; vnl_matrix_fixed< double, 3, 3 > rotZ; rotZ.set_identity(); rotZ[0][0] = cos(rz); rotZ[1][1] = rotZ[0][0]; rotZ[0][1] = -sin(rz); rotZ[1][0] = -rotZ[0][1]; pos.SetVnlVector(rotZ*pos.GetVnlVector()); } m_StatusText += "0% 10 20 30 40 50 60 70 80 90 100%\n"; m_StatusText += "|----|----|----|----|----|----|----|----|----|----|\n*"; unsigned long lastTick = 0; boost::progress_display disp(images.at(0)->GetVectorLength()*images.at(0)->GetLargestPossibleRegion().GetSize(2)); for (unsigned int g=0; gGetVectorLength(); g++) { std::vector< unsigned int > spikeSlice; while (!spikeVolume.empty() && spikeVolume.back()==g) { spikeSlice.push_back(m_RandGen->GetIntegerVariate()%images.at(0)->GetLargestPossibleRegion().GetSize(2)); spikeVolume.pop_back(); } std::sort (spikeSlice.begin(), spikeSlice.end()); std::reverse (spikeSlice.begin(), spikeSlice.end()); for (unsigned int z=0; zGetLargestPossibleRegion().GetSize(2); z++) { std::vector< SliceType::Pointer > compartmentSlices; std::vector< double > t2Vector; std::vector< double > t1Vector; for (unsigned int i=0; i* signalModel; if (iSetLargestPossibleRegion( sliceRegion ); slice->SetBufferedRegion( sliceRegion ); slice->SetRequestedRegion( sliceRegion ); slice->SetSpacing(sliceSpacing); slice->Allocate(); slice->FillBuffer(0.0); // extract slice from channel g for (unsigned int y=0; yGetLargestPossibleRegion().GetSize(1); y++) for (unsigned int x=0; xGetLargestPossibleRegion().GetSize(0); x++) { SliceType::IndexType index2D; index2D[0]=x; index2D[1]=y; DoubleDwiType::IndexType index3D; index3D[0]=x; index3D[1]=y; index3D[2]=z; slice->SetPixel(index2D, images.at(i)->GetPixel(index3D)[g]); } compartmentSlices.push_back(slice); t2Vector.push_back(signalModel->GetT2()); t1Vector.push_back(signalModel->GetT1()); } int numSpikes = 0; while (!spikeSlice.empty() && spikeSlice.back()==z) { numSpikes++; spikeSlice.pop_back(); } int spikeCoil = m_RandGen->GetIntegerVariate()%m_Parameters.m_SignalGen.m_NumberOfCoils; if (this->GetAbortGenerateData()) return NULL; #pragma omp parallel for for (int c=0; c::Pointer idft = itk::KspaceImageFilter< SliceType::PixelType >::New(); idft->SetCompartmentImages(compartmentSlices); idft->SetT2(t2Vector); idft->SetT1(t1Vector); idft->SetUseConstantRandSeed(m_UseConstantRandSeed); idft->SetParameters(m_Parameters); idft->SetZ((double)z-(double)(images.at(0)->GetLargestPossibleRegion().GetSize(2)-images.at(0)->GetLargestPossibleRegion().GetSize(2)%2)/2.0); idft->SetZidx(z); idft->SetCoilPosition(coilPositions.at(c)); idft->SetFiberBundle(m_FiberBundleWorkingCopy); if (m_Parameters.m_SignalGen.m_DoAddMotion) { idft->SetTranslation(m_Translations.at(g)); idft->SetRotation(m_Rotations.at(g)); } idft->SetDiffusionGradientDirection(m_Parameters.m_SignalGen.GetGradientDirection(g)); if (c==spikeCoil) idft->SetSpikesPerSlice(numSpikes); // idft->SetNumberOfThreads(1); idft->Update(); ComplexSliceType::Pointer fSlice; fSlice = idft->GetOutput(); // fourier transform slice ComplexSliceType::Pointer newSlice; itk::DftImageFilter< SliceType::PixelType >::Pointer dft = itk::DftImageFilter< SliceType::PixelType >::New(); dft->SetInput(fSlice); dft->SetParameters(m_Parameters); dft->Update(); newSlice = dft->GetOutput(); // put slice back into channel g for (unsigned int y=0; yGetLargestPossibleRegion().GetSize(1); y++) for (unsigned int x=0; xGetLargestPossibleRegion().GetSize(0); x++) { DoubleDwiType::IndexType index3D; index3D[0]=x; index3D[1]=y; index3D[2]=z; ComplexSliceType::IndexType index2D; index2D[0]=x; index2D[1]=y; ComplexSliceType::PixelType cPix = newSlice->GetPixel(index2D); double magn = sqrt(cPix.real()*cPix.real()+cPix.imag()*cPix.imag()); double phase = 0; if (cPix.real()!=0) phase = atan( cPix.imag()/cPix.real() ); DoubleDwiType::PixelType dwiPix = magnitudeDwiImage->GetPixel(index3D); DoubleDwiType::PixelType phasePix = m_PhaseImage->GetPixel(index3D); if (m_Parameters.m_SignalGen.m_NumberOfCoils>1) { dwiPix[g] += magn*magn; phasePix[g] += phase*phase; } else { dwiPix[g] = magn; phasePix[g] = phase; } #pragma omp critical { magnitudeDwiImage->SetPixel(index3D, dwiPix); m_PhaseImage->SetPixel(index3D, phasePix); // k-space image // { // DoubleDwiType4D::IndexType idx4d; // idx4d[0]=index3D[0]; // idx4d[1]=index3D[1]; // idx4d[2]=index3D[2]; // idx4d[3]=c; // ItkDoubleImgType4D::PixelType pix4D = m_KspaceImage->GetPixel(idx4d); // pix4D = idft->GetKSpaceImage()->GetPixel(index2D); // m_KspaceImage->SetPixel(idx4d, pix4D); // } if (g==0) { DoubleDwiType::PixelType kspacePix = m_KspaceImage->GetPixel(index3D); kspacePix[c] = idft->GetKSpaceImage()->GetPixel(index2D); m_KspaceImage->SetPixel(index3D, kspacePix); } } } } if (m_Parameters.m_SignalGen.m_NumberOfCoils>1) { #pragma omp parallel for collapse(2) for (unsigned int y=0; yGetLargestPossibleRegion().GetSize(1); y++) for (unsigned int x=0; xGetLargestPossibleRegion().GetSize(0); x++) { DoubleDwiType::IndexType index3D; index3D[0]=x; index3D[1]=y; index3D[2]=z; DoubleDwiType::PixelType magPix = magnitudeDwiImage->GetPixel(index3D); magPix[g] = sqrt(magPix[g]/m_Parameters.m_SignalGen.m_NumberOfCoils); DoubleDwiType::PixelType phasePix = m_PhaseImage->GetPixel(index3D); phasePix[g] = sqrt(phasePix[g]/m_Parameters.m_SignalGen.m_NumberOfCoils); #pragma omp critical { magnitudeDwiImage->SetPixel(index3D, magPix); m_PhaseImage->SetPixel(index3D, phasePix); } } } ++disp; unsigned long newTick = 50*disp.count()/disp.expected_count(); for (unsigned long tick = 0; tick<(newTick-lastTick); tick++) m_StatusText += "*"; lastTick = newTick; } } m_StatusText += "\n\n"; return magnitudeDwiImage; } template< class PixelType > TractsToDWIImageFilter< PixelType >::ItkDoubleImgType::Pointer TractsToDWIImageFilter< PixelType >::NormalizeInsideMask(ItkDoubleImgType::Pointer image) { double max = itk::NumericTraits< double >::min(); double min = itk::NumericTraits< double >::max(); itk::ImageRegionIterator< ItkDoubleImgType > it(image, image->GetLargestPossibleRegion()); while(!it.IsAtEnd()) { if (m_Parameters.m_SignalGen.m_MaskImage.IsNotNull() && m_Parameters.m_SignalGen.m_MaskImage->GetPixel(it.GetIndex())<=0) { it.Set(0.0); ++it; continue; } // if (it.Get()>900) // it.Set(900); if (it.Get()>max) max = it.Get(); if (it.Get()::Pointer scaler = itk::ShiftScaleImageFilter< ItkDoubleImgType, ItkDoubleImgType >::New(); scaler->SetInput(image); scaler->SetShift(-min); scaler->SetScale(1.0/(max-min)); scaler->Update(); return scaler->GetOutput(); } template< class PixelType > void TractsToDWIImageFilter< PixelType >::CheckVolumeFractionImages() { m_UseRelativeNonFiberVolumeFractions = false; // check for fiber volume fraction maps int fibVolImages = 0; for (int i=0; iGetVolumeFractionImage().IsNotNull()) { m_StatusText += "Using volume fraction map for fiber compartment " + boost::lexical_cast(i+1) + "\n"; MITK_INFO << "Using volume fraction map for fiber compartment " + boost::lexical_cast(i+1); fibVolImages++; } // check for non-fiber volume fraction maps int nonfibVolImages = 0; for (int i=0; iGetVolumeFractionImage().IsNotNull()) { m_StatusText += "Using volume fraction map for non-fiber compartment " + boost::lexical_cast(i+1) + "\n"; MITK_INFO << "Using volume fraction map for non-fiber compartment " + boost::lexical_cast(i+1); nonfibVolImages++; } // not all fiber compartments are using volume fraction maps --> non-fiber volume fractions are assumed to be relative to the non-fiber volume and not absolute voxel-volume fractions. // this means if two non-fiber compartments are used but only one of them has an associated volume fraction map, the repesctive other volume fraction map can be determined as inverse (1-val) of the present volume fraction map- if ( fibVolImages::Pointer inverter = itk::InvertIntensityImageFilter< ItkDoubleImgType, ItkDoubleImgType >::New(); inverter->SetMaximum(1.0); if ( m_Parameters.m_NonFiberModelList[0]->GetVolumeFractionImage().IsNull() && m_Parameters.m_NonFiberModelList[1]->GetVolumeFractionImage().IsNotNull() ) { // m_Parameters.m_NonFiberModelList[1]->SetVolumeFractionImage( NormalizeInsideMask( m_Parameters.m_NonFiberModelList[1]->GetVolumeFractionImage() ) ); inverter->SetInput( m_Parameters.m_NonFiberModelList[1]->GetVolumeFractionImage() ); inverter->Update(); m_Parameters.m_NonFiberModelList[0]->SetVolumeFractionImage(inverter->GetOutput()); } else if ( m_Parameters.m_NonFiberModelList[1]->GetVolumeFractionImage().IsNull() && m_Parameters.m_NonFiberModelList[0]->GetVolumeFractionImage().IsNotNull() ) { // m_Parameters.m_NonFiberModelList[0]->SetVolumeFractionImage( NormalizeInsideMask( m_Parameters.m_NonFiberModelList[0]->GetVolumeFractionImage() ) ); inverter->SetInput( m_Parameters.m_NonFiberModelList[0]->GetVolumeFractionImage() ); inverter->Update(); m_Parameters.m_NonFiberModelList[1]->SetVolumeFractionImage(inverter->GetOutput()); } else { itkExceptionMacro("Something went wrong in automatically calculating the missing non-fiber volume fraction image! Did you use two non fiber compartments but only one volume fraction image? Then it should work and this error is really strange."); } nonfibVolImages++; } // Up to two fiber compartments are allowed without volume fraction maps since the volume fractions can then be determined automatically if (m_Parameters.m_FiberModelList.size()>2 && fibVolImages!=m_Parameters.m_FiberModelList.size()) itkExceptionMacro("More than two fiber compartment selected but no corresponding volume fraction maps set!"); // One non-fiber compartment is allowed without volume fraction map since the volume fraction can then be determined automatically if (m_Parameters.m_NonFiberModelList.size()>1 && nonfibVolImages!=m_Parameters.m_NonFiberModelList.size()) itkExceptionMacro("More than one non-fiber compartment selected but no volume fraction maps set!"); if (fibVolImages0) { m_StatusText += "Not all fiber compartments are using an associated volume fraction image.\nAssuming non-fiber volume fraction images to contain values relative to the remaining non-fiber volume, not absolute values.\n"; MITK_INFO << "Not all fiber compartments are using an associated volume fraction image.\nAssuming non-fiber volume fraction images to contain values relative to the remaining non-fiber volume, not absolute values."; m_UseRelativeNonFiberVolumeFractions = true; // itk::ImageFileWriter::Pointer wr = itk::ImageFileWriter::New(); // wr->SetInput(m_Parameters.m_NonFiberModelList[1]->GetVolumeFractionImage()); // wr->SetFileName("/local/volumefraction.nrrd"); // wr->Update(); } // initialize the images that store the output volume fraction of each compartment m_VolumeFractions.clear(); for (int i=0; iSetSpacing( m_WorkingSpacing ); doubleImg->SetOrigin( m_WorkingOrigin ); doubleImg->SetDirection( m_Parameters.m_SignalGen.m_ImageDirection ); doubleImg->SetLargestPossibleRegion( m_WorkingImageRegion ); doubleImg->SetBufferedRegion( m_WorkingImageRegion ); doubleImg->SetRequestedRegion( m_WorkingImageRegion ); doubleImg->Allocate(); doubleImg->FillBuffer(0); m_VolumeFractions.push_back(doubleImg); } } template< class PixelType > void TractsToDWIImageFilter< PixelType >::InitializeData() { // initialize output dwi image m_Parameters.m_SignalGen.m_CroppedRegion = m_Parameters.m_SignalGen.m_ImageRegion; m_Parameters.m_SignalGen.m_CroppedRegion.SetSize(1, m_Parameters.m_SignalGen.m_CroppedRegion.GetSize(1)*m_Parameters.m_SignalGen.m_CroppingFactor); itk::Point shiftedOrigin = m_Parameters.m_SignalGen.m_ImageOrigin; shiftedOrigin[1] += (m_Parameters.m_SignalGen.m_ImageRegion.GetSize(1)-m_Parameters.m_SignalGen.m_CroppedRegion.GetSize(1))*m_Parameters.m_SignalGen.m_ImageSpacing[1]/2; m_OutputImage = OutputImageType::New(); m_OutputImage->SetSpacing( m_Parameters.m_SignalGen.m_ImageSpacing ); m_OutputImage->SetOrigin( shiftedOrigin ); m_OutputImage->SetDirection( m_Parameters.m_SignalGen.m_ImageDirection ); m_OutputImage->SetLargestPossibleRegion( m_Parameters.m_SignalGen.m_CroppedRegion ); m_OutputImage->SetBufferedRegion( m_Parameters.m_SignalGen.m_CroppedRegion ); m_OutputImage->SetRequestedRegion( m_Parameters.m_SignalGen.m_CroppedRegion ); m_OutputImage->SetVectorLength( m_Parameters.m_SignalGen.GetNumVolumes() ); m_OutputImage->Allocate(); typename OutputImageType::PixelType temp; temp.SetSize(m_Parameters.m_SignalGen.GetNumVolumes()); temp.Fill(0.0); m_OutputImage->FillBuffer(temp); //// NOT NECESSARY ANYMORE // if ( m_Parameters.m_SignalGen.m_CroppedRegion.GetSize(0)%2 == 1 ) // m_Parameters.m_SignalGen.m_CroppedRegion.SetSize(0, m_Parameters.m_SignalGen.m_CroppedRegion.GetSize(0)+1); // if ( m_Parameters.m_SignalGen.m_CroppedRegion.GetSize(1)%2 == 1 ) // m_Parameters.m_SignalGen.m_CroppedRegion.SetSize(1, m_Parameters.m_SignalGen.m_CroppedRegion.GetSize(1)+1); // // ADJUST GEOMETRY FOR FURTHER PROCESSING // // is input slize size a power of two? // unsigned int x=m_Parameters.m_SignalGen.m_ImageRegion.GetSize(0); unsigned int y=m_Parameters.m_SignalGen.m_ImageRegion.GetSize(1); // ItkDoubleImgType::SizeType pad; pad[0]=x%2; pad[1]=y%2; pad[2]=0; // m_Parameters.m_SignalGen.m_ImageRegion.SetSize(0, x+pad[0]); // m_Parameters.m_SignalGen.m_ImageRegion.SetSize(1, y+pad[1]); // if (m_Parameters.m_SignalGen.m_FrequencyMap.IsNotNull() && (pad[0]>0 || pad[1]>0)) // { // itk::ConstantPadImageFilter::Pointer zeroPadder = itk::ConstantPadImageFilter::New(); // zeroPadder->SetInput(m_Parameters.m_SignalGen.m_FrequencyMap); // zeroPadder->SetConstant(0); // zeroPadder->SetPadUpperBound(pad); // zeroPadder->Update(); // m_Parameters.m_SignalGen.m_FrequencyMap = zeroPadder->GetOutput(); // } // if (m_Parameters.m_SignalGen.m_MaskImage.IsNotNull() && (pad[0]>0 || pad[1]>0)) // { // itk::ConstantPadImageFilter::Pointer zeroPadder = itk::ConstantPadImageFilter::New(); // zeroPadder->SetInput(m_Parameters.m_SignalGen.m_MaskImage); // zeroPadder->SetConstant(0); // zeroPadder->SetPadUpperBound(pad); // zeroPadder->Update(); // m_Parameters.m_SignalGen.m_MaskImage = zeroPadder->GetOutput(); // } // Apply in-plane upsampling for Gibbs ringing artifact double upsampling = 1; if (m_Parameters.m_SignalGen.m_DoAddGibbsRinging) upsampling = 2; m_WorkingSpacing = m_Parameters.m_SignalGen.m_ImageSpacing; m_WorkingSpacing[0] /= upsampling; m_WorkingSpacing[1] /= upsampling; m_WorkingImageRegion = m_Parameters.m_SignalGen.m_ImageRegion; m_WorkingImageRegion.SetSize(0, m_Parameters.m_SignalGen.m_ImageRegion.GetSize()[0]*upsampling); m_WorkingImageRegion.SetSize(1, m_Parameters.m_SignalGen.m_ImageRegion.GetSize()[1]*upsampling); m_WorkingOrigin = m_Parameters.m_SignalGen.m_ImageOrigin; m_WorkingOrigin[0] -= m_Parameters.m_SignalGen.m_ImageSpacing[0]/2; m_WorkingOrigin[0] += m_WorkingSpacing[0]/2; m_WorkingOrigin[1] -= m_Parameters.m_SignalGen.m_ImageSpacing[1]/2; m_WorkingOrigin[1] += m_WorkingSpacing[1]/2; m_WorkingOrigin[2] -= m_Parameters.m_SignalGen.m_ImageSpacing[2]/2; m_WorkingOrigin[2] += m_WorkingSpacing[2]/2; m_VoxelVolume = m_WorkingSpacing[0]*m_WorkingSpacing[1]*m_WorkingSpacing[2]; // generate double images to store the individual compartment signals m_CompartmentImages.clear(); int numFiberCompartments = m_Parameters.m_FiberModelList.size(); int numNonFiberCompartments = m_Parameters.m_NonFiberModelList.size(); for (int i=0; iSetSpacing( m_WorkingSpacing ); doubleDwi->SetOrigin( m_WorkingOrigin ); doubleDwi->SetDirection( m_Parameters.m_SignalGen.m_ImageDirection ); doubleDwi->SetLargestPossibleRegion( m_WorkingImageRegion ); doubleDwi->SetBufferedRegion( m_WorkingImageRegion ); doubleDwi->SetRequestedRegion( m_WorkingImageRegion ); doubleDwi->SetVectorLength( m_Parameters.m_SignalGen.GetNumVolumes() ); doubleDwi->Allocate(); DoubleDwiType::PixelType pix; pix.SetSize(m_Parameters.m_SignalGen.GetNumVolumes()); pix.Fill(0.0); doubleDwi->FillBuffer(pix); m_CompartmentImages.push_back(doubleDwi); } // resample mask image and frequency map to fit upsampled geometry if (m_Parameters.m_SignalGen.m_DoAddGibbsRinging) { if (m_Parameters.m_SignalGen.m_MaskImage.IsNotNull()) { // rescale mask image (otherwise there are problems with the resampling) itk::RescaleIntensityImageFilter::Pointer rescaler = itk::RescaleIntensityImageFilter::New(); rescaler->SetInput(0,m_Parameters.m_SignalGen.m_MaskImage); rescaler->SetOutputMaximum(100); rescaler->SetOutputMinimum(0); rescaler->Update(); // resample mask image itk::ResampleImageFilter::Pointer resampler = itk::ResampleImageFilter::New(); resampler->SetInput(rescaler->GetOutput()); resampler->SetOutputParametersFromImage(m_Parameters.m_SignalGen.m_MaskImage); resampler->SetSize(m_WorkingImageRegion.GetSize()); resampler->SetOutputSpacing(m_WorkingSpacing); resampler->SetOutputOrigin(m_WorkingOrigin); itk::NearestNeighborInterpolateImageFunction::Pointer nn_interpolator = itk::NearestNeighborInterpolateImageFunction::New(); resampler->SetInterpolator(nn_interpolator); resampler->Update(); m_Parameters.m_SignalGen.m_MaskImage = resampler->GetOutput(); } // resample frequency map if (m_Parameters.m_SignalGen.m_FrequencyMap.IsNotNull()) { itk::ResampleImageFilter::Pointer resampler = itk::ResampleImageFilter::New(); resampler->SetInput(m_Parameters.m_SignalGen.m_FrequencyMap); resampler->SetOutputParametersFromImage(m_Parameters.m_SignalGen.m_FrequencyMap); resampler->SetSize(m_WorkingImageRegion.GetSize()); resampler->SetOutputSpacing(m_WorkingSpacing); resampler->SetOutputOrigin(m_WorkingOrigin); itk::NearestNeighborInterpolateImageFunction::Pointer nn_interpolator = itk::NearestNeighborInterpolateImageFunction::New(); resampler->SetInterpolator(nn_interpolator); resampler->Update(); m_Parameters.m_SignalGen.m_FrequencyMap = resampler->GetOutput(); } } m_MaskImageSet = true; if (m_Parameters.m_SignalGen.m_MaskImage.IsNull()) { // no input tissue mask is set -> create default m_StatusText += "No tissue mask set\n"; MITK_INFO << "No tissue mask set"; m_Parameters.m_SignalGen.m_MaskImage = ItkUcharImgType::New(); m_Parameters.m_SignalGen.m_MaskImage->SetSpacing( m_WorkingSpacing ); m_Parameters.m_SignalGen.m_MaskImage->SetOrigin( m_WorkingOrigin ); m_Parameters.m_SignalGen.m_MaskImage->SetDirection( m_Parameters.m_SignalGen.m_ImageDirection ); m_Parameters.m_SignalGen.m_MaskImage->SetLargestPossibleRegion( m_WorkingImageRegion ); m_Parameters.m_SignalGen.m_MaskImage->SetBufferedRegion( m_WorkingImageRegion ); m_Parameters.m_SignalGen.m_MaskImage->SetRequestedRegion( m_WorkingImageRegion ); m_Parameters.m_SignalGen.m_MaskImage->Allocate(); m_Parameters.m_SignalGen.m_MaskImage->FillBuffer(100); m_MaskImageSet = false; } else { if (m_Parameters.m_SignalGen.m_MaskImage->GetLargestPossibleRegion()!=m_WorkingImageRegion) itkExceptionMacro("Mask image and specified DWI geometry are not matching!"); m_StatusText += "Using tissue mask\n"; MITK_INFO << "Using tissue mask"; } if (m_Parameters.m_SignalGen.m_DoAddMotion) { std::string fileName = "fiberfox_motion_0.log"; std::string filePath = mitk::IOUtil::GetTempPath(); if (m_Parameters.m_Misc.m_OutputPath.size()>0) filePath = m_Parameters.m_Misc.m_OutputPath; int c = 1; while (itksys::SystemTools::FileExists((filePath+fileName).c_str())) { fileName = "fiberfox_motion_"; fileName += boost::lexical_cast(c); fileName += ".log"; c++; } m_Logfile.open((filePath+fileName).c_str()); m_Logfile << "0 rotation: 0,0,0; translation: 0,0,0\n"; if (m_Parameters.m_SignalGen.m_DoRandomizeMotion) { m_StatusText += "Adding random motion artifacts:\n"; m_StatusText += "Maximum rotation: +/-" + boost::lexical_cast(m_Parameters.m_SignalGen.m_Rotation) + "°\n"; m_StatusText += "Maximum translation: +/-" + boost::lexical_cast(m_Parameters.m_SignalGen.m_Translation) + "mm\n"; } else { m_StatusText += "Adding linear motion artifacts:\n"; m_StatusText += "Maximum rotation: " + boost::lexical_cast(m_Parameters.m_SignalGen.m_Rotation) + "°\n"; m_StatusText += "Maximum translation: " + boost::lexical_cast(m_Parameters.m_SignalGen.m_Translation) + "mm\n"; } m_StatusText += "Motion logfile: " + (filePath+fileName) + "\n"; MITK_INFO << "Adding motion artifacts"; MITK_INFO << "Maximum rotation: " << m_Parameters.m_SignalGen.m_Rotation; MITK_INFO << "Maxmimum translation: " << m_Parameters.m_SignalGen.m_Translation; MITK_INFO << "Motion logfile: " << filePath << fileName; } // get transform for motion artifacts m_Rotation.Fill(0.0); m_Translation.Fill(0.0); m_Rotations.push_back(m_Rotation); m_Translations.push_back(m_Translation); m_Rotation = m_Parameters.m_SignalGen.m_Rotation/m_Parameters.m_SignalGen.GetNumVolumes(); m_Translation = m_Parameters.m_SignalGen.m_Translation/m_Parameters.m_SignalGen.GetNumVolumes(); // creat image to hold transformed mask (motion artifact) m_TransformedMaskImage = ItkUcharImgType::New(); itk::ImageDuplicator::Pointer duplicator = itk::ImageDuplicator::New(); duplicator->SetInputImage(m_Parameters.m_SignalGen.m_MaskImage); duplicator->Update(); m_TransformedMaskImage = duplicator->GetOutput(); // second upsampling needed for motion artifacts ImageRegion<3> upsampledImageRegion = m_WorkingImageRegion; DoubleVectorType upsampledSpacing = m_WorkingSpacing; upsampledSpacing[0] /= 4; upsampledSpacing[1] /= 4; upsampledSpacing[2] /= 4; upsampledImageRegion.SetSize(0, m_WorkingImageRegion.GetSize()[0]*4); upsampledImageRegion.SetSize(1, m_WorkingImageRegion.GetSize()[1]*4); upsampledImageRegion.SetSize(2, m_WorkingImageRegion.GetSize()[2]*4); itk::Point upsampledOrigin = m_WorkingOrigin; upsampledOrigin[0] -= m_WorkingSpacing[0]/2; upsampledOrigin[0] += upsampledSpacing[0]/2; upsampledOrigin[1] -= m_WorkingSpacing[1]/2; upsampledOrigin[1] += upsampledSpacing[1]/2; upsampledOrigin[2] -= m_WorkingSpacing[2]/2; upsampledOrigin[2] += upsampledSpacing[2]/2; m_UpsampledMaskImage = ItkUcharImgType::New(); itk::ResampleImageFilter::Pointer upsampler = itk::ResampleImageFilter::New(); upsampler->SetInput(m_Parameters.m_SignalGen.m_MaskImage); upsampler->SetOutputParametersFromImage(m_Parameters.m_SignalGen.m_MaskImage); upsampler->SetSize(upsampledImageRegion.GetSize()); upsampler->SetOutputSpacing(upsampledSpacing); upsampler->SetOutputOrigin(upsampledOrigin); itk::NearestNeighborInterpolateImageFunction::Pointer nn_interpolator = itk::NearestNeighborInterpolateImageFunction::New(); upsampler->SetInterpolator(nn_interpolator); upsampler->Update(); m_UpsampledMaskImage = upsampler->GetOutput(); } template< class PixelType > void TractsToDWIImageFilter< PixelType >::InitializeFiberData() { // resample fiber bundle for sufficient voxel coverage m_StatusText += "\n"+this->GetTime()+" > Resampling fibers ...\n"; m_SegmentVolume = 0.0001; float minSpacing = 1; if(m_WorkingSpacing[0]GetDeepCopy(); // working copy is needed because we need to resample the fibers but do not want to change the original bundle double volumeAccuracy = 10; m_FiberBundleWorkingCopy->ResampleSpline(minSpacing/volumeAccuracy); m_mmRadius = m_Parameters.m_SignalGen.m_AxonRadius/1000; if (m_mmRadius>0) m_SegmentVolume = M_PI*m_mmRadius*m_mmRadius*minSpacing/volumeAccuracy; m_FiberBundleTransformed = m_FiberBundleWorkingCopy; // a secon fiber bundle is needed to store the transformed version of the m_FiberBundleWorkingCopy } template< class PixelType > void TractsToDWIImageFilter< PixelType >::GenerateData() { m_TimeProbe.Start(); m_StatusText = "Starting simulation\n"; // check input data if (m_FiberBundle.IsNull()) itkExceptionMacro("Input fiber bundle is NULL!"); if (m_Parameters.m_FiberModelList.empty()) itkExceptionMacro("No diffusion model for fiber compartments defined! At least one fiber compartment is necessary."); if (m_Parameters.m_NonFiberModelList.empty()) itkExceptionMacro("No diffusion model for non-fiber compartments defined! At least one non-fiber compartment is necessary."); int baselineIndex = m_Parameters.m_SignalGen.GetFirstBaselineIndex(); if (baselineIndex<0) itkExceptionMacro("No baseline index found!"); if (!m_Parameters.m_SignalGen.m_SimulateKspaceAcquisition) // No upsampling of input image needed if no k-space simulation is performed m_Parameters.m_SignalGen.m_DoAddGibbsRinging = false; if (m_UseConstantRandSeed) // always generate the same random numbers? m_RandGen->SetSeed(0); else m_RandGen->SetSeed(); InitializeData(); CheckVolumeFractionImages(); InitializeFiberData(); int numFiberCompartments = m_Parameters.m_FiberModelList.size(); int numNonFiberCompartments = m_Parameters.m_NonFiberModelList.size(); double maxVolume = 0; unsigned long lastTick = 0; int signalModelSeed = m_RandGen->GetIntegerVariate(); m_StatusText += "\n"+this->GetTime()+" > Generating " + boost::lexical_cast(numFiberCompartments+numNonFiberCompartments) + "-compartment diffusion-weighted signal.\n"; MITK_INFO << "Generating " << numFiberCompartments+numNonFiberCompartments << "-compartment diffusion-weighted signal."; int numFibers = m_FiberBundleWorkingCopy->GetNumFibers(); boost::progress_display disp(numFibers*m_Parameters.m_SignalGen.GetNumVolumes()); switch (m_Parameters.m_SignalGen.m_DiffusionDirectionMode) { case(SignalGenerationParameters::FIBER_TANGENT_DIRECTIONS): // use fiber tangent directions to determine diffusion direction { m_StatusText += "0% 10 20 30 40 50 60 70 80 90 100%\n"; m_StatusText += "|----|----|----|----|----|----|----|----|----|----|\n*"; for (unsigned int g=0; gSetSeed(signalModelSeed); for (int i=0; iSetSeed(signalModelSeed); // storing voxel-wise intra-axonal volume in mm³ ItkDoubleImgType::Pointer intraAxonalVolumeImage = ItkDoubleImgType::New(); intraAxonalVolumeImage->SetSpacing( m_WorkingSpacing ); intraAxonalVolumeImage->SetOrigin( m_WorkingOrigin ); intraAxonalVolumeImage->SetDirection( m_Parameters.m_SignalGen.m_ImageDirection ); intraAxonalVolumeImage->SetLargestPossibleRegion( m_WorkingImageRegion ); intraAxonalVolumeImage->SetBufferedRegion( m_WorkingImageRegion ); intraAxonalVolumeImage->SetRequestedRegion( m_WorkingImageRegion ); intraAxonalVolumeImage->Allocate(); intraAxonalVolumeImage->FillBuffer(0); maxVolume = 0; vtkPolyData* fiberPolyData = m_FiberBundleTransformed->GetFiberPolyData(); // generate fiber signal (if there are any fiber models present) if (!m_Parameters.m_FiberModelList.empty()) for( int i=0; iGetFiberWeight(i); vtkCell* cell = fiberPolyData->GetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); if (numPoints<2) continue; for( int j=0; jGetAbortGenerateData()) { m_StatusText += "\n"+this->GetTime()+" > Simulation aborted\n"; return; } double* temp = points->GetPoint(j); itk::Point vertex = GetItkPoint(temp); itk::Vector v = GetItkVector(temp); itk::Vector dir(3); if (jGetPoint(j+1))-v; else dir = v-GetItkVector(points->GetPoint(j-1)); if (dir.GetSquaredNorm()<0.0001 || dir[0]!=dir[0] || dir[1]!=dir[1] || dir[2]!=dir[2]) continue; itk::Index<3> idx; itk::ContinuousIndex contIndex; m_TransformedMaskImage->TransformPhysicalPointToIndex(vertex, idx); m_TransformedMaskImage->TransformPhysicalPointToContinuousIndex(vertex, contIndex); if (!m_TransformedMaskImage->GetLargestPossibleRegion().IsInside(idx) || m_TransformedMaskImage->GetPixel(idx)<=0) continue; // generate signal for each fiber compartment for (int k=0; kSetFiberDirection(dir); DoubleDwiType::PixelType pix = m_CompartmentImages.at(k)->GetPixel(idx); pix[g] += fiberWeight*m_SegmentVolume*m_Parameters.m_FiberModelList[k]->SimulateMeasurement(g); m_CompartmentImages.at(k)->SetPixel(idx, pix); } // update fiber volume image double vol = intraAxonalVolumeImage->GetPixel(idx) + m_SegmentVolume*fiberWeight; intraAxonalVolumeImage->SetPixel(idx, vol); if (vol>maxVolume) // we assume that the first volume is always unweighted! maxVolume = vol; } // progress report ++disp; unsigned long newTick = 50*disp.count()/disp.expected_count(); for (unsigned int tick = 0; tick<(newTick-lastTick); tick++) m_StatusText += "*"; lastTick = newTick; } // generate non-fiber signal ImageRegionIterator it3(m_TransformedMaskImage, m_TransformedMaskImage->GetLargestPossibleRegion()); double fact = 1; // density correction factor in mm³ if (m_Parameters.m_SignalGen.m_AxonRadius<0.0001 || maxVolume>m_VoxelVolume) // the fullest voxel is always completely full fact = m_VoxelVolume/maxVolume; while(!it3.IsAtEnd()) { if (it3.Get()>0) { DoubleDwiType::IndexType index = it3.GetIndex(); itk::Point point; m_TransformedMaskImage->TransformIndexToPhysicalPoint(index, point); if (m_Parameters.m_SignalGen.m_DoAddMotion) { if (m_Parameters.m_SignalGen.m_DoRandomizeMotion && g>0) point = m_FiberBundleWorkingCopy->TransformPoint(point.GetVnlVector(), -m_Rotation[0],-m_Rotation[1],-m_Rotation[2],-m_Translation[0],-m_Translation[1],-m_Translation[2]); else if (g>=0) point = m_FiberBundleWorkingCopy->TransformPoint(point.GetVnlVector(), -m_Rotation[0]*g,-m_Rotation[1]*g,-m_Rotation[2]*g,-m_Translation[0]*g,-m_Translation[1]*g,-m_Translation[2]*g); } double iAxVolume = intraAxonalVolumeImage->GetPixel(index); // if volume fraction image is set use it, otherwise use scaling factor to obtain one full fiber voxel double fact2 = fact; if (m_Parameters.m_FiberModelList[0]->GetVolumeFractionImage()!=nullptr && iAxVolume>0.0001) { DoubleDwiType::IndexType newIndex; m_Parameters.m_FiberModelList[0]->GetVolumeFractionImage()->TransformPhysicalPointToIndex(point, newIndex); if (m_Parameters.m_FiberModelList[0]->GetVolumeFractionImage()->GetLargestPossibleRegion().IsInside(newIndex)) fact2 = m_VoxelVolume*m_Parameters.m_FiberModelList[0]->GetVolumeFractionImage()->GetPixel(newIndex)/iAxVolume; } // adjust intra-axonal image value for (int i=0; iGetPixel(index); pix[g] *= fact2; m_CompartmentImages.at(i)->SetPixel(index, pix); } // simulate other compartments SimulateExtraAxonalSignal(index, iAxVolume*fact2, g); } ++it3; } // move fibers SimulateMotion(g); } break; } case (SignalGenerationParameters::MAIN_FIBER_DIRECTIONS): // use main fiber directions to determine voxel-wise diffusion directions { typedef itk::Image< itk::Vector< float, 3>, 3 > ItkDirectionImage3DType; typedef itk::VectorContainer< unsigned int, ItkDirectionImage3DType::Pointer > ItkDirectionImageContainerType; // calculate main fiber directions itk::TractsToVectorImageFilter::Pointer fOdfFilter = itk::TractsToVectorImageFilter::New(); fOdfFilter->SetFiberBundle(m_FiberBundleTransformed); fOdfFilter->SetMaskImage(m_TransformedMaskImage); fOdfFilter->SetAngularThreshold(cos(m_Parameters.m_SignalGen.m_FiberSeparationThreshold*M_PI/180.0)); fOdfFilter->SetNormalizeVectors(false); fOdfFilter->SetUseWorkingCopy(true); fOdfFilter->SetSizeThreshold(0); fOdfFilter->SetMaxNumDirections(3); fOdfFilter->Update(); ItkDirectionImageContainerType::Pointer directionImageContainer = fOdfFilter->GetDirectionImageContainer(); // allocate image storing intra-axonal volume fraction information ItkDoubleImgType::Pointer intraAxonalVolumeImage = ItkDoubleImgType::New(); intraAxonalVolumeImage->SetSpacing( m_WorkingSpacing ); intraAxonalVolumeImage->SetOrigin( m_WorkingOrigin ); intraAxonalVolumeImage->SetDirection( m_Parameters.m_SignalGen.m_ImageDirection ); intraAxonalVolumeImage->SetLargestPossibleRegion( m_WorkingImageRegion ); intraAxonalVolumeImage->SetBufferedRegion( m_WorkingImageRegion ); intraAxonalVolumeImage->SetRequestedRegion( m_WorkingImageRegion ); intraAxonalVolumeImage->Allocate(); intraAxonalVolumeImage->FillBuffer(0); // determine intra-axonal volume fraction using the tract density itk::TractDensityImageFilter< ItkDoubleImgType >::Pointer tdiFilter = itk::TractDensityImageFilter< ItkDoubleImgType >::New(); tdiFilter->SetFiberBundle(m_FiberBundleTransformed); tdiFilter->SetBinaryOutput(false); tdiFilter->SetOutputAbsoluteValues(false); tdiFilter->SetInputImage(intraAxonalVolumeImage); tdiFilter->SetUseImageGeometry(true); tdiFilter->Update(); intraAxonalVolumeImage = tdiFilter->GetOutput(); m_StatusText += "0% 10 20 30 40 50 60 70 80 90 100%\n"; m_StatusText += "|----|----|----|----|----|----|----|----|----|----|\n*"; boost::progress_display disp(m_TransformedMaskImage->GetLargestPossibleRegion().GetNumberOfPixels()*m_Parameters.m_SignalGen.GetNumVolumes()); for (unsigned int g=0; gSetSeed(signalModelSeed); for (int i=0; iSetSeed(signalModelSeed); if (m_Parameters.m_SignalGen.m_DoAddMotion && g>0) // if fibers have moved we need a new TDI and new directions { fOdfFilter->SetFiberBundle(m_FiberBundleTransformed); fOdfFilter->SetMaskImage(m_TransformedMaskImage); fOdfFilter->Update(); directionImageContainer = fOdfFilter->GetDirectionImageContainer(); tdiFilter->SetFiberBundle(m_FiberBundleTransformed); tdiFilter->Update(); intraAxonalVolumeImage = tdiFilter->GetOutput(); } ImageRegionIterator< ItkUcharImgType > it(m_TransformedMaskImage, m_TransformedMaskImage->GetLargestPossibleRegion()); while(!it.IsAtEnd()) { ++disp; unsigned long newTick = 50*disp.count()/disp.expected_count(); for (unsigned int tick = 0; tick<(newTick-lastTick); tick++) m_StatusText += "*"; lastTick = newTick; if (this->GetAbortGenerateData()) { m_StatusText += "\n"+this->GetTime()+" > Simulation aborted\n"; return; } if (it.Get()>0) { // generate fiber signal for (int c=0; cGetPixel(it.GetIndex()); for (unsigned int i=0; iSize(); i++) { itk::Vector< double, 3> dir; dir.CastFrom(directionImageContainer->GetElement(i)->GetPixel(it.GetIndex())); double norm = dir.GetNorm(); if (norm>0.0001) { m_Parameters.m_FiberModelList.at(c)->SetFiberDirection(dir); pix[g] += m_Parameters.m_FiberModelList.at(c)->SimulateMeasurement(g)*norm; count++; } } if (count>0) pix[g] /= count; pix[g] *= intraAxonalVolumeImage->GetPixel(it.GetIndex())*m_VoxelVolume; m_CompartmentImages.at(c)->SetPixel(it.GetIndex(), pix); } // simulate other compartments SimulateExtraAxonalSignal(it.GetIndex(), intraAxonalVolumeImage->GetPixel(it.GetIndex())*m_VoxelVolume, g); } ++it; } SimulateMotion(g); } itk::ImageFileWriter< ItkUcharImgType >::Pointer wr = itk::ImageFileWriter< ItkUcharImgType >::New(); wr->SetInput(fOdfFilter->GetNumDirectionsImage()); wr->SetFileName(mitk::IOUtil::GetTempPath()+"/NumDirections_MainFiberDirections.nrrd"); wr->Update(); break; } case (SignalGenerationParameters::RANDOM_DIRECTIONS): { ItkUcharImgType::Pointer numDirectionsImage = ItkUcharImgType::New(); numDirectionsImage->SetSpacing( m_WorkingSpacing ); numDirectionsImage->SetOrigin( m_WorkingOrigin ); numDirectionsImage->SetDirection( m_Parameters.m_SignalGen.m_ImageDirection ); numDirectionsImage->SetLargestPossibleRegion( m_WorkingImageRegion ); numDirectionsImage->SetBufferedRegion( m_WorkingImageRegion ); numDirectionsImage->SetRequestedRegion( m_WorkingImageRegion ); numDirectionsImage->Allocate(); numDirectionsImage->FillBuffer(0); double sepAngle = cos(m_Parameters.m_SignalGen.m_FiberSeparationThreshold*M_PI/180.0); m_StatusText += "0% 10 20 30 40 50 60 70 80 90 100%\n"; m_StatusText += "|----|----|----|----|----|----|----|----|----|----|\n*"; boost::progress_display disp(m_TransformedMaskImage->GetLargestPossibleRegion().GetNumberOfPixels()); ImageRegionIterator it(m_TransformedMaskImage, m_TransformedMaskImage->GetLargestPossibleRegion()); while(!it.IsAtEnd()) { ++disp; unsigned long newTick = 50*disp.count()/disp.expected_count(); for (unsigned int tick = 0; tick<(newTick-lastTick); tick++) m_StatusText += "*"; lastTick = newTick; if (this->GetAbortGenerateData()) { m_StatusText += "\n"+this->GetTime()+" > Simulation aborted\n"; return; } if (it.Get()>0) { int numFibs = m_RandGen->GetIntegerVariate(2)+1; DoubleDwiType::PixelType pix = m_CompartmentImages.at(0)->GetPixel(it.GetIndex()); double volume = m_RandGen->GetVariateWithClosedRange(0.3); // double sum = 0; std::vector< double > fractions; for (int i=0; iGetVariateWithClosedRange(0.5)); // sum += fractions.at(i); } // for (int i=0; i > directions; for (int i=0; iGetVariateWithClosedRange(2)-1.0; fib[1] = m_RandGen->GetVariateWithClosedRange(2)-1.0; fib[2] = m_RandGen->GetVariateWithClosedRange(2)-1.0; fib.Normalize(); double min = 0; for (unsigned int d=0; dmin) min = angle; } if (minSetFiberDirection(fib); pix += m_Parameters.m_FiberModelList.at(0)->SimulateMeasurement()*fractions[i]; directions.push_back(fib); } else i--; } pix *= (1-volume); m_CompartmentImages.at(0)->SetPixel(it.GetIndex(), pix); // CSF/GM { pix += volume*m_Parameters.m_NonFiberModelList.at(0)->SimulateMeasurement(); } numDirectionsImage->SetPixel(it.GetIndex(), numFibs); } ++it; } itk::ImageFileWriter< ItkUcharImgType >::Pointer wr = itk::ImageFileWriter< ItkUcharImgType >::New(); wr->SetInput(numDirectionsImage); wr->SetFileName(mitk::IOUtil::GetTempPath()+"/NumDirections_RandomDirections.nrrd"); wr->Update(); } } if (m_Logfile.is_open()) { m_Logfile << "DONE"; m_Logfile.close(); } m_StatusText += "\n\n"; if (this->GetAbortGenerateData()) { m_StatusText += "\n"+this->GetTime()+" > Simulation aborted\n"; return; } DoubleDwiType::Pointer doubleOutImage; double signalScale = m_Parameters.m_SignalGen.m_SignalScale; if ( m_Parameters.m_SignalGen.m_SimulateKspaceAcquisition ) // do k-space stuff { m_StatusText += this->GetTime()+" > Simulating k-space acquisition using "+boost::lexical_cast(m_Parameters.m_SignalGen.m_NumberOfCoils)+" coil(s)\n"; MITK_INFO << "Simulating k-space acquisition using " << m_Parameters.m_SignalGen.m_NumberOfCoils << " coil(s)."; if (m_Parameters.m_SignalGen.m_DoSimulateRelaxation) m_StatusText += "Simulating signal relaxation\n"; if (m_Parameters.m_SignalGen.m_FrequencyMap.IsNotNull()) m_StatusText += "Simulating distortions\n"; if (m_Parameters.m_SignalGen.m_DoAddGibbsRinging) m_StatusText += "Simulating ringing artifacts\n"; if (m_Parameters.m_SignalGen.m_EddyStrength>0) m_StatusText += "Simulating eddy currents\n"; if (m_Parameters.m_SignalGen.m_Spikes>0) m_StatusText += "Simulating spikes\n"; if (m_Parameters.m_SignalGen.m_CroppingFactor<1.0) m_StatusText += "Simulating aliasing artifacts\n"; if (m_Parameters.m_SignalGen.m_KspaceLineOffset>0) m_StatusText += "Simulating ghosts\n"; doubleOutImage = SimulateKspaceAcquisition(m_CompartmentImages); signalScale = 1; // already scaled in DoKspaceStuff } else // don't do k-space stuff, just sum compartments { m_StatusText += this->GetTime()+" > Summing compartments\n"; MITK_INFO << "Summing compartments"; doubleOutImage = m_CompartmentImages.at(0); for (unsigned int i=1; i::Pointer adder = itk::AddImageFilter< DoubleDwiType, DoubleDwiType, DoubleDwiType>::New(); adder->SetInput1(doubleOutImage); adder->SetInput2(m_CompartmentImages.at(i)); adder->Update(); doubleOutImage = adder->GetOutput(); } } if (this->GetAbortGenerateData()) { m_StatusText += "\n"+this->GetTime()+" > Simulation aborted\n"; return; } m_StatusText += this->GetTime()+" > Finalizing image\n"; MITK_INFO << "Finalizing image"; if (signalScale>1) m_StatusText += " Scaling signal\n"; if (m_Parameters.m_NoiseModel!=NULL) m_StatusText += " Adding noise\n"; unsigned int window = 0; unsigned int min = itk::NumericTraits::max(); ImageRegionIterator it4 (m_OutputImage, m_OutputImage->GetLargestPossibleRegion()); DoubleDwiType::PixelType signal; signal.SetSize(m_Parameters.m_SignalGen.GetNumVolumes()); boost::progress_display disp2(m_OutputImage->GetLargestPossibleRegion().GetNumberOfPixels()); m_StatusText += "0% 10 20 30 40 50 60 70 80 90 100%\n"; m_StatusText += "|----|----|----|----|----|----|----|----|----|----|\n*"; lastTick = 0; while(!it4.IsAtEnd()) { if (this->GetAbortGenerateData()) { m_StatusText += "\n"+this->GetTime()+" > Simulation aborted\n"; return; } ++disp2; unsigned long newTick = 50*disp2.count()/disp2.expected_count(); for (unsigned long tick = 0; tick<(newTick-lastTick); tick++) m_StatusText += "*"; lastTick = newTick; typename OutputImageType::IndexType index = it4.GetIndex(); signal = doubleOutImage->GetPixel(index)*signalScale; if (m_Parameters.m_NoiseModel!=NULL) m_Parameters.m_NoiseModel->AddNoise(signal); for (unsigned int i=0; i0) signal[i] = floor(signal[i]+0.5); else signal[i] = ceil(signal[i]-0.5); if ( (!m_Parameters.m_SignalGen.IsBaselineIndex(i) || signal.Size()==1) && signal[i]>window) window = signal[i]; if ( (!m_Parameters.m_SignalGen.IsBaselineIndex(i) || signal.Size()==1) && signal[i]SetNthOutput(0, m_OutputImage); m_StatusText += "\n\n"; m_StatusText += "Finished simulation\n"; m_StatusText += "Simulation time: "+GetTime(); m_TimeProbe.Stop(); } template< class PixelType > void TractsToDWIImageFilter< PixelType >::SimulateMotion(int g) { if (m_Parameters.m_SignalGen.m_DoAddMotion && gGetDeepCopy(); m_Rotation[0] = m_RandGen->GetVariateWithClosedRange(m_Parameters.m_SignalGen.m_Rotation[0]*2)-m_Parameters.m_SignalGen.m_Rotation[0]; m_Rotation[1] = m_RandGen->GetVariateWithClosedRange(m_Parameters.m_SignalGen.m_Rotation[1]*2)-m_Parameters.m_SignalGen.m_Rotation[1]; m_Rotation[2] = m_RandGen->GetVariateWithClosedRange(m_Parameters.m_SignalGen.m_Rotation[2]*2)-m_Parameters.m_SignalGen.m_Rotation[2]; m_Translation[0] = m_RandGen->GetVariateWithClosedRange(m_Parameters.m_SignalGen.m_Translation[0]*2)-m_Parameters.m_SignalGen.m_Translation[0]; m_Translation[1] = m_RandGen->GetVariateWithClosedRange(m_Parameters.m_SignalGen.m_Translation[1]*2)-m_Parameters.m_SignalGen.m_Translation[1]; m_Translation[2] = m_RandGen->GetVariateWithClosedRange(m_Parameters.m_SignalGen.m_Translation[2]*2)-m_Parameters.m_SignalGen.m_Translation[2]; } // rotate mask image if (m_MaskImageSet) { ImageRegionIterator maskIt(m_UpsampledMaskImage, m_UpsampledMaskImage->GetLargestPossibleRegion()); m_TransformedMaskImage->FillBuffer(0); while(!maskIt.IsAtEnd()) { if (maskIt.Get()<=0) { ++maskIt; continue; } DoubleDwiType::IndexType index = maskIt.GetIndex(); itk::Point point; m_UpsampledMaskImage->TransformIndexToPhysicalPoint(index, point); if (m_Parameters.m_SignalGen.m_DoRandomizeMotion) point = m_FiberBundleWorkingCopy->TransformPoint(point.GetVnlVector(), m_Rotation[0],m_Rotation[1],m_Rotation[2],m_Translation[0],m_Translation[1],m_Translation[2]); else point = m_FiberBundleWorkingCopy->TransformPoint(point.GetVnlVector(), m_Rotation[0]*(g+1),m_Rotation[1]*(g+1),m_Rotation[2]*(g+1),m_Translation[0]*(g+1),m_Translation[1]*(g+1),m_Translation[2]*(g+1)); m_TransformedMaskImage->TransformPhysicalPointToIndex(point, index); if (m_TransformedMaskImage->GetLargestPossibleRegion().IsInside(index)) m_TransformedMaskImage->SetPixel(index,100); ++maskIt; } } if (m_Parameters.m_SignalGen.m_DoRandomizeMotion) { m_Rotations.push_back(m_Rotation); m_Translations.push_back(m_Translation); } else { m_Rotations.push_back(m_Rotation*(g+1)); m_Translations.push_back(m_Translation*(g+1)); } // rotate fibers if (m_Logfile.is_open()) { m_Logfile << g+1 << " rotation: " << m_Rotation[0] << "," << m_Rotation[1] << "," << m_Rotation[2] << ";"; m_Logfile << " translation: " << m_Translation[0] << "," << m_Translation[1] << "," << m_Translation[2] << "\n"; } m_FiberBundleTransformed->TransformFibers(m_Rotation[0],m_Rotation[1],m_Rotation[2],m_Translation[0],m_Translation[1],m_Translation[2]); } } template< class PixelType > void TractsToDWIImageFilter< PixelType >::SimulateExtraAxonalSignal(ItkUcharImgType::IndexType index, double intraAxonalVolume, int g) { int numFiberCompartments = m_Parameters.m_FiberModelList.size(); int numNonFiberCompartments = m_Parameters.m_NonFiberModelList.size(); if (intraAxonalVolume>0.0001 && m_Parameters.m_SignalGen.m_DoDisablePartialVolume) // only fiber in voxel { DoubleDwiType::PixelType pix = m_CompartmentImages.at(0)->GetPixel(index); if (g>=0) pix[g] *= m_VoxelVolume/intraAxonalVolume; else pix *= m_VoxelVolume/intraAxonalVolume; m_CompartmentImages.at(0)->SetPixel(index, pix); if (g==0) m_VolumeFractions.at(0)->SetPixel(index, 1); for (int i=1; iGetPixel(index); if (g>=0) pix[g] = 0.0; else pix.Fill(0.0); m_CompartmentImages.at(i)->SetPixel(index, pix); } } else { if (g==0) m_VolumeFractions.at(0)->SetPixel(index, intraAxonalVolume/m_VoxelVolume); // get non-transformed point (remove headmotion tranformation) // this point can then be transformed to each of the original images, regardless of their geometry itk::Point point; m_TransformedMaskImage->TransformIndexToPhysicalPoint(index, point); if (m_Parameters.m_SignalGen.m_DoAddMotion) { if (m_Parameters.m_SignalGen.m_DoRandomizeMotion && g>0) point = m_FiberBundleWorkingCopy->TransformPoint(point.GetVnlVector(), -m_Rotation[0],-m_Rotation[1],-m_Rotation[2],-m_Translation[0],-m_Translation[1],-m_Translation[2]); else if (g>=0) point = m_FiberBundleWorkingCopy->TransformPoint(point.GetVnlVector(), -m_Rotation[0]*g,-m_Rotation[1]*g,-m_Rotation[2]*g,-m_Translation[0]*g,-m_Translation[1]*g,-m_Translation[2]*g); } if (m_Parameters.m_SignalGen.m_DoDisablePartialVolume) { int maxVolumeIndex = 0; double maxWeight = 0; for (int i=0; i1) { // ItkUcharImgType::IndexType maskIndex; // m_UpsampledMaskImage->TransformPhysicalPointToIndex(point, maskIndex); // if (!m_UpsampledMaskImage->GetLargestPossibleRegion().IsInside(maskIndex) || m_UpsampledMaskImage->GetPixel(maskIndex)==0) // continue; DoubleDwiType::IndexType newIndex; m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->TransformPhysicalPointToIndex(point, newIndex); if (!m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->GetLargestPossibleRegion().IsInside(newIndex)) continue; weight = m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->GetPixel(newIndex); } if (weight>maxWeight) { maxWeight = weight; maxVolumeIndex = i; } } DoubleDwiType::Pointer doubleDwi = m_CompartmentImages.at(maxVolumeIndex+numFiberCompartments); DoubleDwiType::PixelType pix = doubleDwi->GetPixel(index); if (g>=0) - pix[g] += m_Parameters.m_NonFiberModelList[maxVolumeIndex]->SimulateMeasurement(g); + pix[g] += m_Parameters.m_NonFiberModelList[maxVolumeIndex]->SimulateMeasurement(g)*m_VoxelVolume; else - pix += m_Parameters.m_NonFiberModelList[maxVolumeIndex]->SimulateMeasurement(); + pix += m_Parameters.m_NonFiberModelList[maxVolumeIndex]->SimulateMeasurement()*m_VoxelVolume; doubleDwi->SetPixel(index, pix); if (g==0) m_VolumeFractions.at(maxVolumeIndex+numFiberCompartments)->SetPixel(index, 1); } else { double extraAxonalVolume = m_VoxelVolume-intraAxonalVolume; // non-fiber volume if (extraAxonalVolume<0) { MITK_ERROR << "Coorupted intra-axonal signal voxel detected. Fiber volume larger voxel volume!"; extraAxonalVolume = 0; } double interAxonalVolume = 0; if (numFiberCompartments>1) interAxonalVolume = extraAxonalVolume * intraAxonalVolume/m_VoxelVolume; // inter-axonal fraction of non fiber compartment double other = extraAxonalVolume - interAxonalVolume; // rest of compartment if (other<0) { MITK_ERROR << "Coorupted signal voxel detected. Fiber volume larger voxel volume!"; other = 0; } // adjust non-fiber and intra-axonal signal for (int i=1; iGetPixel(index); if (intraAxonalVolume>0) // remove scaling by intra-axonal volume from inter-axonal compartment { if (g>=0) pix[g] /= intraAxonalVolume; else pix /= intraAxonalVolume; } if (m_Parameters.m_FiberModelList[i]->GetVolumeFractionImage()!=nullptr) { // ItkUcharImgType::IndexType maskIndex; // m_UpsampledMaskImage->TransformPhysicalPointToIndex(point, maskIndex); // if (!m_UpsampledMaskImage->GetLargestPossibleRegion().IsInside(maskIndex) || m_UpsampledMaskImage->GetPixel(maskIndex)==0) // continue; DoubleDwiType::IndexType newIndex; m_Parameters.m_FiberModelList[i]->GetVolumeFractionImage()->TransformPhysicalPointToIndex(point, newIndex); if (!m_Parameters.m_FiberModelList[i]->GetVolumeFractionImage()->GetLargestPossibleRegion().IsInside(newIndex)) continue; weight = m_Parameters.m_FiberModelList[i]->GetVolumeFractionImage()->GetPixel(newIndex)*m_VoxelVolume; } if (g>=0) pix[g] *= weight; else pix *= weight; m_CompartmentImages.at(i)->SetPixel(index, pix); if (g==0) m_VolumeFractions.at(i)->SetPixel(index, weight/m_VoxelVolume); } for (int i=0; iGetPixel(index); if (m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()!=nullptr) { // ItkUcharImgType::IndexType maskIndex; // m_UpsampledMaskImage->TransformPhysicalPointToIndex(point, maskIndex); // if (!m_UpsampledMaskImage->GetLargestPossibleRegion().IsInside(maskIndex) || m_UpsampledMaskImage->GetPixel(maskIndex)==0) // continue; DoubleDwiType::IndexType newIndex; m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->TransformPhysicalPointToIndex(point, newIndex); if (!m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->GetLargestPossibleRegion().IsInside(newIndex)) continue; weight = m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->GetPixel(newIndex)*m_VoxelVolume; if (m_UseRelativeNonFiberVolumeFractions) weight *= other/m_VoxelVolume; } if (g>=0) pix[g] += m_Parameters.m_NonFiberModelList[i]->SimulateMeasurement(g)*weight; else pix += m_Parameters.m_NonFiberModelList[i]->SimulateMeasurement()*weight; m_CompartmentImages.at(i+numFiberCompartments)->SetPixel(index, pix); if (g==0) m_VolumeFractions.at(i+numFiberCompartments)->SetPixel(index, weight/m_VoxelVolume); } } } } template< class PixelType > itk::Point TractsToDWIImageFilter< PixelType >::GetItkPoint(double point[3]) { itk::Point itkPoint; itkPoint[0] = point[0]; itkPoint[1] = point[1]; itkPoint[2] = point[2]; return itkPoint; } template< class PixelType > itk::Vector TractsToDWIImageFilter< PixelType >::GetItkVector(double point[3]) { itk::Vector itkVector; itkVector[0] = point[0]; itkVector[1] = point[1]; itkVector[2] = point[2]; return itkVector; } template< class PixelType > vnl_vector_fixed TractsToDWIImageFilter< PixelType >::GetVnlVector(double point[3]) { vnl_vector_fixed vnlVector; vnlVector[0] = point[0]; vnlVector[1] = point[1]; vnlVector[2] = point[2]; return vnlVector; } template< class PixelType > vnl_vector_fixed TractsToDWIImageFilter< PixelType >::GetVnlVector(Vector& vector) { vnl_vector_fixed vnlVector; vnlVector[0] = vector[0]; vnlVector[1] = vector[1]; vnlVector[2] = vector[2]; return vnlVector; } template< class PixelType > double TractsToDWIImageFilter< PixelType >::RoundToNearest(double num) { return (num > 0.0) ? floor(num + 0.5) : ceil(num - 0.5); } template< class PixelType > std::string TractsToDWIImageFilter< PixelType >::GetTime() { m_TimeProbe.Stop(); unsigned long total = RoundToNearest(m_TimeProbe.GetTotal()); unsigned long hours = total/3600; unsigned long minutes = (total%3600)/60; unsigned long seconds = total%60; std::string out = ""; out.append(boost::lexical_cast(hours)); out.append(":"); out.append(boost::lexical_cast(minutes)); out.append(":"); out.append(boost::lexical_cast(seconds)); m_TimeProbe.Start(); return out; } } diff --git a/Modules/DiffusionImaging/FiberTracking/IODataStructures/FiberBundle/mitkFiberBundle.cpp b/Modules/DiffusionImaging/FiberTracking/IODataStructures/FiberBundle/mitkFiberBundle.cpp index 1c1709f2f8..e2925c1fe3 100755 --- a/Modules/DiffusionImaging/FiberTracking/IODataStructures/FiberBundle/mitkFiberBundle.cpp +++ b/Modules/DiffusionImaging/FiberTracking/IODataStructures/FiberBundle/mitkFiberBundle.cpp @@ -1,1979 +1,1982 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ #define _USE_MATH_DEFINES #include "mitkFiberBundle.h" #include #include #include #include "mitkImagePixelReadAccessor.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include const char* mitk::FiberBundle::FIBER_ID_ARRAY = "Fiber_IDs"; using namespace std; mitk::FiberBundle::FiberBundle( vtkPolyData* fiberPolyData ) : m_NumFibers(0) , m_FiberSampling(0) { m_FiberWeights = vtkSmartPointer::New(); m_FiberWeights->SetName("FIBER_WEIGHTS"); m_FiberPolyData = vtkSmartPointer::New(); if (fiberPolyData != NULL) { m_FiberPolyData = fiberPolyData; this->ColorFibersByOrientation(); } this->UpdateFiberGeometry(); this->GenerateFiberIds(); } mitk::FiberBundle::~FiberBundle() { } mitk::FiberBundle::Pointer mitk::FiberBundle::GetDeepCopy() { mitk::FiberBundle::Pointer newFib = mitk::FiberBundle::New(m_FiberPolyData); newFib->SetFiberColors(this->m_FiberColors); newFib->SetFiberWeights(this->m_FiberWeights); return newFib; } vtkSmartPointer mitk::FiberBundle::GeneratePolyDataByIds(std::vector fiberIds) { vtkSmartPointer newFiberPolyData = vtkSmartPointer::New(); vtkSmartPointer newLineSet = vtkSmartPointer::New(); vtkSmartPointer newPointSet = vtkSmartPointer::New(); std::vector::iterator finIt = fiberIds.begin(); while ( finIt != fiberIds.end() ) { if (*finIt < 0 || *finIt>GetNumFibers()){ MITK_INFO << "FiberID can not be negative or >NumFibers!!! check id Extraction!" << *finIt; break; } vtkSmartPointer fiber = m_FiberIdDataSet->GetCell(*finIt);//->DeepCopy(fiber); vtkSmartPointer fibPoints = fiber->GetPoints(); vtkSmartPointer newFiber = vtkSmartPointer::New(); newFiber->GetPointIds()->SetNumberOfIds( fibPoints->GetNumberOfPoints() ); for(int i=0; iGetNumberOfPoints(); i++) { newFiber->GetPointIds()->SetId(i, newPointSet->GetNumberOfPoints()); newPointSet->InsertNextPoint(fibPoints->GetPoint(i)[0], fibPoints->GetPoint(i)[1], fibPoints->GetPoint(i)[2]); } newLineSet->InsertNextCell(newFiber); ++finIt; } newFiberPolyData->SetPoints(newPointSet); newFiberPolyData->SetLines(newLineSet); return newFiberPolyData; } // merge two fiber bundles mitk::FiberBundle::Pointer mitk::FiberBundle::AddBundle(mitk::FiberBundle* fib) { if (fib==NULL) { MITK_WARN << "trying to call AddBundle with NULL argument"; return NULL; } MITK_INFO << "Adding fibers"; vtkSmartPointer vNewPolyData = vtkSmartPointer::New(); vtkSmartPointer vNewLines = vtkSmartPointer::New(); vtkSmartPointer vNewPoints = vtkSmartPointer::New(); // add current fiber bundle vtkSmartPointer weights = vtkSmartPointer::New(); weights->SetNumberOfValues(this->GetNumFibers()+fib->GetNumFibers()); unsigned int counter = 0; for (int i=0; iGetNumberOfCells(); i++) { vtkCell* cell = m_FiberPolyData->GetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); vtkSmartPointer container = vtkSmartPointer::New(); for (int j=0; jGetPoint(j, p); vtkIdType id = vNewPoints->InsertNextPoint(p); container->GetPointIds()->InsertNextId(id); } weights->InsertValue(counter, this->GetFiberWeight(i)); vNewLines->InsertNextCell(container); counter++; } // add new fiber bundle for (int i=0; iGetFiberPolyData()->GetNumberOfCells(); i++) { vtkCell* cell = fib->GetFiberPolyData()->GetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); vtkSmartPointer container = vtkSmartPointer::New(); for (int j=0; jGetPoint(j, p); vtkIdType id = vNewPoints->InsertNextPoint(p); container->GetPointIds()->InsertNextId(id); } weights->InsertValue(counter, fib->GetFiberWeight(i)); vNewLines->InsertNextCell(container); counter++; } // initialize polydata vNewPolyData->SetPoints(vNewPoints); vNewPolyData->SetLines(vNewLines); // initialize fiber bundle mitk::FiberBundle::Pointer newFib = mitk::FiberBundle::New(vNewPolyData); newFib->SetFiberWeights(weights); return newFib; } // subtract two fiber bundles mitk::FiberBundle::Pointer mitk::FiberBundle::SubtractBundle(mitk::FiberBundle* fib) { MITK_INFO << "Subtracting fibers"; vtkSmartPointer vNewPolyData = vtkSmartPointer::New(); vtkSmartPointer vNewLines = vtkSmartPointer::New(); vtkSmartPointer vNewPoints = vtkSmartPointer::New(); // iterate over current fibers boost::progress_display disp(m_NumFibers); for( int i=0; iGetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); if (points==NULL || numPoints<=0) continue; int numFibers2 = fib->GetNumFibers(); bool contained = false; for( int i2=0; i2GetFiberPolyData()->GetCell(i2); int numPoints2 = cell2->GetNumberOfPoints(); vtkPoints* points2 = cell2->GetPoints(); if (points2==NULL)// || numPoints2<=0) continue; // check endpoints if (numPoints2==numPoints) { itk::Point point_start = GetItkPoint(points->GetPoint(0)); itk::Point point_end = GetItkPoint(points->GetPoint(numPoints-1)); itk::Point point2_start = GetItkPoint(points2->GetPoint(0)); itk::Point point2_end = GetItkPoint(points2->GetPoint(numPoints2-1)); if ((point_start.SquaredEuclideanDistanceTo(point2_start)<=mitk::eps && point_end.SquaredEuclideanDistanceTo(point2_end)<=mitk::eps) || (point_start.SquaredEuclideanDistanceTo(point2_end)<=mitk::eps && point_end.SquaredEuclideanDistanceTo(point2_start)<=mitk::eps)) { // further checking ??? contained = true; break; } } } // add to result because fiber is not subtracted if (!contained) { vtkSmartPointer container = vtkSmartPointer::New(); for( int j=0; jInsertNextPoint(points->GetPoint(j)); container->GetPointIds()->InsertNextId(id); } vNewLines->InsertNextCell(container); } } if(vNewLines->GetNumberOfCells()==0) return NULL; // initialize polydata vNewPolyData->SetPoints(vNewPoints); vNewPolyData->SetLines(vNewLines); // initialize fiber bundle return mitk::FiberBundle::New(vNewPolyData); } itk::Point mitk::FiberBundle::GetItkPoint(double point[3]) { itk::Point itkPoint; itkPoint[0] = point[0]; itkPoint[1] = point[1]; itkPoint[2] = point[2]; return itkPoint; } /* * set polydata (additional flag to recompute fiber geometry, default = true) */ void mitk::FiberBundle::SetFiberPolyData(vtkSmartPointer fiberPD, bool updateGeometry) { if (fiberPD == NULL) this->m_FiberPolyData = vtkSmartPointer::New(); else { m_FiberPolyData->DeepCopy(fiberPD); ColorFibersByOrientation(); } m_NumFibers = m_FiberPolyData->GetNumberOfLines(); if (updateGeometry) UpdateFiberGeometry(); GenerateFiberIds(); } /* * return vtkPolyData */ vtkSmartPointer mitk::FiberBundle::GetFiberPolyData() const { return m_FiberPolyData; } void mitk::FiberBundle::ColorFibersByOrientation() { //===== FOR WRITING A TEST ======================== // colorT size == tupelComponents * tupelElements // compare color results // to cover this code 100% also polydata needed, where colorarray already exists // + one fiber with exactly 1 point // + one fiber with 0 points //================================================= vtkPoints* extrPoints = NULL; extrPoints = m_FiberPolyData->GetPoints(); int numOfPoints = 0; if (extrPoints!=NULL) numOfPoints = extrPoints->GetNumberOfPoints(); //colors and alpha value for each single point, RGBA = 4 components unsigned char rgba[4] = {0,0,0,0}; int componentSize = 4; m_FiberColors = vtkSmartPointer::New(); m_FiberColors->Allocate(numOfPoints * componentSize); m_FiberColors->SetNumberOfComponents(componentSize); m_FiberColors->SetName("FIBER_COLORS"); int numOfFibers = m_FiberPolyData->GetNumberOfLines(); if (numOfFibers < 1) return; /* extract single fibers of fiberBundle */ vtkCellArray* fiberList = m_FiberPolyData->GetLines(); fiberList->InitTraversal(); for (int fi=0; fiGetNextCell(pointsPerFiber, idList); /* single fiber checkpoints: is number of points valid */ if (pointsPerFiber > 1) { /* operate on points of single fiber */ for (int i=0; i 0) { /* The color value of the current point is influenced by the previous point and next point. */ vnl_vector_fixed< double, 3 > currentPntvtk(extrPoints->GetPoint(idList[i])[0], extrPoints->GetPoint(idList[i])[1],extrPoints->GetPoint(idList[i])[2]); vnl_vector_fixed< double, 3 > nextPntvtk(extrPoints->GetPoint(idList[i+1])[0], extrPoints->GetPoint(idList[i+1])[1], extrPoints->GetPoint(idList[i+1])[2]); vnl_vector_fixed< double, 3 > prevPntvtk(extrPoints->GetPoint(idList[i-1])[0], extrPoints->GetPoint(idList[i-1])[1], extrPoints->GetPoint(idList[i-1])[2]); vnl_vector_fixed< double, 3 > diff1; diff1 = currentPntvtk - nextPntvtk; vnl_vector_fixed< double, 3 > diff2; diff2 = currentPntvtk - prevPntvtk; vnl_vector_fixed< double, 3 > diff; diff = (diff1 - diff2) / 2.0; diff.normalize(); rgba[0] = (unsigned char) (255.0 * std::fabs(diff[0])); rgba[1] = (unsigned char) (255.0 * std::fabs(diff[1])); rgba[2] = (unsigned char) (255.0 * std::fabs(diff[2])); rgba[3] = (unsigned char) (255.0); } else if (i==0) { /* First point has no previous point, therefore only diff1 is taken */ vnl_vector_fixed< double, 3 > currentPntvtk(extrPoints->GetPoint(idList[i])[0], extrPoints->GetPoint(idList[i])[1],extrPoints->GetPoint(idList[i])[2]); vnl_vector_fixed< double, 3 > nextPntvtk(extrPoints->GetPoint(idList[i+1])[0], extrPoints->GetPoint(idList[i+1])[1], extrPoints->GetPoint(idList[i+1])[2]); vnl_vector_fixed< double, 3 > diff1; diff1 = currentPntvtk - nextPntvtk; diff1.normalize(); rgba[0] = (unsigned char) (255.0 * std::fabs(diff1[0])); rgba[1] = (unsigned char) (255.0 * std::fabs(diff1[1])); rgba[2] = (unsigned char) (255.0 * std::fabs(diff1[2])); rgba[3] = (unsigned char) (255.0); } else if (i==pointsPerFiber-1) { /* Last point has no next point, therefore only diff2 is taken */ vnl_vector_fixed< double, 3 > currentPntvtk(extrPoints->GetPoint(idList[i])[0], extrPoints->GetPoint(idList[i])[1],extrPoints->GetPoint(idList[i])[2]); vnl_vector_fixed< double, 3 > prevPntvtk(extrPoints->GetPoint(idList[i-1])[0], extrPoints->GetPoint(idList[i-1])[1], extrPoints->GetPoint(idList[i-1])[2]); vnl_vector_fixed< double, 3 > diff2; diff2 = currentPntvtk - prevPntvtk; diff2.normalize(); rgba[0] = (unsigned char) (255.0 * std::fabs(diff2[0])); rgba[1] = (unsigned char) (255.0 * std::fabs(diff2[1])); rgba[2] = (unsigned char) (255.0 * std::fabs(diff2[2])); rgba[3] = (unsigned char) (255.0); } m_FiberColors->InsertTupleValue(idList[i], rgba); } } else if (pointsPerFiber == 1) { /* a single point does not define a fiber (use vertex mechanisms instead */ continue; } else { MITK_DEBUG << "Fiber with 0 points detected... please check your tractography algorithm!" ; continue; } } m_UpdateTime3D.Modified(); m_UpdateTime2D.Modified(); } void mitk::FiberBundle::ColorFibersByCurvature() { double window = 5; //colors and alpha value for each single point, RGBA = 4 components unsigned char rgba[4] = {0,0,0,0}; int componentSize = 4; m_FiberColors = vtkSmartPointer::New(); m_FiberColors->Allocate(m_FiberPolyData->GetNumberOfPoints() * componentSize); m_FiberColors->SetNumberOfComponents(componentSize); m_FiberColors->SetName("FIBER_COLORS"); mitk::LookupTable::Pointer mitkLookup = mitk::LookupTable::New(); vtkSmartPointer lookupTable = vtkSmartPointer::New(); lookupTable->SetTableRange(0.0, 0.8); lookupTable->Build(); mitkLookup->SetVtkLookupTable(lookupTable); mitkLookup->SetType(mitk::LookupTable::JET); vector< double > values; double min = 1; double max = 0; MITK_INFO << "Coloring fibers by curvature"; boost::progress_display disp(m_FiberPolyData->GetNumberOfCells()); for (int i=0; iGetNumberOfCells(); i++) { ++disp; vtkCell* cell = m_FiberPolyData->GetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); // calculate curvatures for (int j=0; j > vectors; vnl_vector_fixed< float, 3 > meanV; meanV.fill(0.0); while(dist1) { double p1[3]; points->GetPoint(c-1, p1); double p2[3]; points->GetPoint(c, p2); vnl_vector_fixed< float, 3 > v; v[0] = p2[0]-p1[0]; v[1] = p2[1]-p1[1]; v[2] = p2[2]-p1[2]; dist += v.magnitude(); v.normalize(); vectors.push_back(v); if (c==j) meanV += v; c--; } c = j; dist = 0; while(distGetPoint(c, p1); double p2[3]; points->GetPoint(c+1, p2); vnl_vector_fixed< float, 3 > v; v[0] = p2[0]-p1[0]; v[1] = p2[1]-p1[1]; v[2] = p2[2]-p1[2]; dist += v.magnitude(); v.normalize(); vectors.push_back(v); if (c==j) meanV += v; c++; } meanV.normalize(); double dev = 0; for (unsigned int c=0; c1.0) angle = 1.0; if (angle<-1.0) angle = -1.0; dev += acos(angle)*180/M_PI; } if (vectors.size()>0) dev /= vectors.size(); dev = 1.0-dev/180.0; values.push_back(dev); if (devmax) max = dev; } } unsigned int count = 0; for (int i=0; iGetNumberOfCells(); i++) { vtkCell* cell = m_FiberPolyData->GetCell(i); int numPoints = cell->GetNumberOfPoints(); for (int j=0; jGetColor(dev, color); rgba[0] = (unsigned char) (255.0 * color[0]); rgba[1] = (unsigned char) (255.0 * color[1]); rgba[2] = (unsigned char) (255.0 * color[2]); rgba[3] = (unsigned char) (255.0); m_FiberColors->InsertTupleValue(cell->GetPointId(j), rgba); count++; } } m_UpdateTime3D.Modified(); m_UpdateTime2D.Modified(); } void mitk::FiberBundle::SetFiberOpacity(vtkDoubleArray* FAValArray) { for(long i=0; iGetNumberOfTuples(); i++) { double faValue = FAValArray->GetValue(i); faValue = faValue * 255.0; m_FiberColors->SetComponent(i,3, (unsigned char) faValue ); } m_UpdateTime3D.Modified(); m_UpdateTime2D.Modified(); } void mitk::FiberBundle::ResetFiberOpacity() { for(long i=0; iGetNumberOfTuples(); i++) m_FiberColors->SetComponent(i,3, 255.0 ); m_UpdateTime3D.Modified(); m_UpdateTime2D.Modified(); } void mitk::FiberBundle::ColorFibersByScalarMap(mitk::Image::Pointer FAimage, bool opacity) { mitkPixelTypeMultiplex2( ColorFibersByScalarMap, FAimage->GetPixelType(), FAimage, opacity ); m_UpdateTime3D.Modified(); m_UpdateTime2D.Modified(); } template void mitk::FiberBundle::ColorFibersByScalarMap(const mitk::PixelType, mitk::Image::Pointer image, bool opacity) { m_FiberColors = vtkSmartPointer::New(); m_FiberColors->Allocate(m_FiberPolyData->GetNumberOfPoints() * 4); m_FiberColors->SetNumberOfComponents(4); m_FiberColors->SetName("FIBER_COLORS"); mitk::ImagePixelReadAccessor readimage(image, image->GetVolumeData(0)); unsigned char rgba[4] = {0,0,0,0}; vtkPoints* pointSet = m_FiberPolyData->GetPoints(); mitk::LookupTable::Pointer mitkLookup = mitk::LookupTable::New(); vtkSmartPointer lookupTable = vtkSmartPointer::New(); lookupTable->SetTableRange(0.0, 0.8); lookupTable->Build(); mitkLookup->SetVtkLookupTable(lookupTable); mitkLookup->SetType(mitk::LookupTable::JET); for(long i=0; iGetNumberOfPoints(); ++i) { Point3D px; px[0] = pointSet->GetPoint(i)[0]; px[1] = pointSet->GetPoint(i)[1]; px[2] = pointSet->GetPoint(i)[2]; double pixelValue = readimage.GetPixelByWorldCoordinates(px); double color[3]; lookupTable->GetColor(1-pixelValue, color); rgba[0] = (unsigned char) (255.0 * color[0]); rgba[1] = (unsigned char) (255.0 * color[1]); rgba[2] = (unsigned char) (255.0 * color[2]); if (opacity) rgba[3] = (unsigned char) (255.0 * pixelValue); else rgba[3] = (unsigned char) (255.0); m_FiberColors->InsertTupleValue(i, rgba); } m_UpdateTime3D.Modified(); m_UpdateTime2D.Modified(); } void mitk::FiberBundle::SetFiberColors(float r, float g, float b, float alpha) { m_FiberColors = vtkSmartPointer::New(); m_FiberColors->Allocate(m_FiberPolyData->GetNumberOfPoints() * 4); m_FiberColors->SetNumberOfComponents(4); m_FiberColors->SetName("FIBER_COLORS"); unsigned char rgba[4] = {0,0,0,0}; for(long i=0; iGetNumberOfPoints(); ++i) { rgba[0] = (unsigned char) r; rgba[1] = (unsigned char) g; rgba[2] = (unsigned char) b; rgba[3] = (unsigned char) alpha; m_FiberColors->InsertTupleValue(i, rgba); } m_UpdateTime3D.Modified(); m_UpdateTime2D.Modified(); } void mitk::FiberBundle::GenerateFiberIds() { if (m_FiberPolyData == NULL) return; vtkSmartPointer idFiberFilter = vtkSmartPointer::New(); idFiberFilter->SetInputData(m_FiberPolyData); idFiberFilter->CellIdsOn(); // idFiberFilter->PointIdsOn(); // point id's are not needed idFiberFilter->SetIdsArrayName(FIBER_ID_ARRAY); idFiberFilter->FieldDataOn(); idFiberFilter->Update(); m_FiberIdDataSet = idFiberFilter->GetOutput(); } mitk::FiberBundle::Pointer mitk::FiberBundle::ExtractFiberSubset(ItkUcharImgType* mask, bool anyPoint, bool invert) { vtkSmartPointer polyData = m_FiberPolyData; if (anyPoint) { float minSpacing = 1; if(mask->GetSpacing()[0]GetSpacing()[1] && mask->GetSpacing()[0]GetSpacing()[2]) minSpacing = mask->GetSpacing()[0]; else if (mask->GetSpacing()[1] < mask->GetSpacing()[2]) minSpacing = mask->GetSpacing()[1]; else minSpacing = mask->GetSpacing()[2]; mitk::FiberBundle::Pointer fibCopy = this->GetDeepCopy(); fibCopy->ResampleSpline(minSpacing/5); polyData = fibCopy->GetFiberPolyData(); } vtkSmartPointer vtkNewPoints = vtkSmartPointer::New(); vtkSmartPointer vtkNewCells = vtkSmartPointer::New(); MITK_INFO << "Extracting fibers"; boost::progress_display disp(m_NumFibers); for (int i=0; iGetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); vtkCell* cellOriginal = m_FiberPolyData->GetCell(i); int numPointsOriginal = cellOriginal->GetNumberOfPoints(); vtkPoints* pointsOriginal = cellOriginal->GetPoints(); vtkSmartPointer container = vtkSmartPointer::New(); if (numPoints>1 && numPointsOriginal) { if (anyPoint) { if (!invert) { for (int j=0; jGetPoint(j); itk::Point itkP; itkP[0] = p[0]; itkP[1] = p[1]; itkP[2] = p[2]; itk::Index<3> idx; mask->TransformPhysicalPointToIndex(itkP, idx); if ( mask->GetPixel(idx)>0 && mask->GetLargestPossibleRegion().IsInside(idx) ) { for (int k=0; kGetPoint(k); vtkIdType id = vtkNewPoints->InsertNextPoint(p); container->GetPointIds()->InsertNextId(id); } break; } } } else { bool includeFiber = true; for (int j=0; jGetPoint(j); itk::Point itkP; itkP[0] = p[0]; itkP[1] = p[1]; itkP[2] = p[2]; itk::Index<3> idx; mask->TransformPhysicalPointToIndex(itkP, idx); if ( mask->GetPixel(idx)>0 && mask->GetLargestPossibleRegion().IsInside(idx) ) { includeFiber = false; break; } } if (includeFiber) { for (int k=0; kGetPoint(k); vtkIdType id = vtkNewPoints->InsertNextPoint(p); container->GetPointIds()->InsertNextId(id); } } } } else { double* start = pointsOriginal->GetPoint(0); itk::Point itkStart; itkStart[0] = start[0]; itkStart[1] = start[1]; itkStart[2] = start[2]; itk::Index<3> idxStart; mask->TransformPhysicalPointToIndex(itkStart, idxStart); double* end = pointsOriginal->GetPoint(numPointsOriginal-1); itk::Point itkEnd; itkEnd[0] = end[0]; itkEnd[1] = end[1]; itkEnd[2] = end[2]; itk::Index<3> idxEnd; mask->TransformPhysicalPointToIndex(itkEnd, idxEnd); if ( mask->GetPixel(idxStart)>0 && mask->GetPixel(idxEnd)>0 && mask->GetLargestPossibleRegion().IsInside(idxStart) && mask->GetLargestPossibleRegion().IsInside(idxEnd) ) { for (int j=0; jGetPoint(j); vtkIdType id = vtkNewPoints->InsertNextPoint(p); container->GetPointIds()->InsertNextId(id); } } } } vtkNewCells->InsertNextCell(container); } if (vtkNewCells->GetNumberOfCells()<=0) return NULL; vtkSmartPointer newPolyData = vtkSmartPointer::New(); newPolyData->SetPoints(vtkNewPoints); newPolyData->SetLines(vtkNewCells); return mitk::FiberBundle::New(newPolyData); } mitk::FiberBundle::Pointer mitk::FiberBundle::RemoveFibersOutside(ItkUcharImgType* mask, bool invert) { float minSpacing = 1; if(mask->GetSpacing()[0]GetSpacing()[1] && mask->GetSpacing()[0]GetSpacing()[2]) minSpacing = mask->GetSpacing()[0]; else if (mask->GetSpacing()[1] < mask->GetSpacing()[2]) minSpacing = mask->GetSpacing()[1]; else minSpacing = mask->GetSpacing()[2]; mitk::FiberBundle::Pointer fibCopy = this->GetDeepCopy(); fibCopy->ResampleSpline(minSpacing/10); vtkSmartPointer polyData =fibCopy->GetFiberPolyData(); vtkSmartPointer vtkNewPoints = vtkSmartPointer::New(); vtkSmartPointer vtkNewCells = vtkSmartPointer::New(); MITK_INFO << "Cutting fibers"; boost::progress_display disp(m_NumFibers); for (int i=0; iGetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); vtkSmartPointer container = vtkSmartPointer::New(); if (numPoints>1) { int newNumPoints = 0; for (int j=0; jGetPoint(j); itk::Point itkP; itkP[0] = p[0]; itkP[1] = p[1]; itkP[2] = p[2]; itk::Index<3> idx; mask->TransformPhysicalPointToIndex(itkP, idx); if ( mask->GetPixel(idx)>0 && mask->GetLargestPossibleRegion().IsInside(idx) && !invert ) { vtkIdType id = vtkNewPoints->InsertNextPoint(p); container->GetPointIds()->InsertNextId(id); newNumPoints++; } else if ( (mask->GetPixel(idx)<=0 || !mask->GetLargestPossibleRegion().IsInside(idx)) && invert ) { vtkIdType id = vtkNewPoints->InsertNextPoint(p); container->GetPointIds()->InsertNextId(id); newNumPoints++; } else if (newNumPoints>0) { vtkNewCells->InsertNextCell(container); newNumPoints = 0; container = vtkSmartPointer::New(); } } if (newNumPoints>0) vtkNewCells->InsertNextCell(container); } } if (vtkNewCells->GetNumberOfCells()<=0) return NULL; vtkSmartPointer newPolyData = vtkSmartPointer::New(); newPolyData->SetPoints(vtkNewPoints); newPolyData->SetLines(vtkNewCells); mitk::FiberBundle::Pointer newFib = mitk::FiberBundle::New(newPolyData); newFib->ResampleSpline(minSpacing/2); return newFib; } mitk::FiberBundle::Pointer mitk::FiberBundle::ExtractFiberSubset(DataNode* roi, DataStorage* storage) { if (roi==NULL || !(dynamic_cast(roi->GetData()) || dynamic_cast(roi->GetData())) ) return NULL; std::vector tmp = ExtractFiberIdSubset(roi, storage); if (tmp.size()<=0) return mitk::FiberBundle::New(); vtkSmartPointer pTmp = GeneratePolyDataByIds(tmp); return mitk::FiberBundle::New(pTmp); } std::vector mitk::FiberBundle::ExtractFiberIdSubset(DataNode *roi, DataStorage* storage) { std::vector result; if (roi==NULL || roi->GetData()==NULL) return result; mitk::PlanarFigureComposite::Pointer pfc = dynamic_cast(roi->GetData()); if (!pfc.IsNull()) // handle composite { DataStorage::SetOfObjects::ConstPointer children = storage->GetDerivations(roi); if (children->size()==0) return result; switch (pfc->getOperationType()) { case 0: // AND { MITK_INFO << "AND"; result = this->ExtractFiberIdSubset(children->ElementAt(0), storage); std::vector::iterator it; for (unsigned int i=1; iSize(); ++i) { std::vector inRoi = this->ExtractFiberIdSubset(children->ElementAt(i), storage); std::vector rest(std::min(result.size(),inRoi.size())); it = std::set_intersection(result.begin(), result.end(), inRoi.begin(), inRoi.end(), rest.begin() ); rest.resize( it - rest.begin() ); result = rest; } break; } case 1: // OR { MITK_INFO << "OR"; result = ExtractFiberIdSubset(children->ElementAt(0), storage); std::vector::iterator it; for (unsigned int i=1; iSize(); ++i) { it = result.end(); std::vector inRoi = ExtractFiberIdSubset(children->ElementAt(i), storage); result.insert(it, inRoi.begin(), inRoi.end()); } // remove duplicates sort(result.begin(), result.end()); it = unique(result.begin(), result.end()); result.resize( it - result.begin() ); break; } case 2: // NOT { MITK_INFO << "NOT"; for(long i=0; iGetNumFibers(); i++) result.push_back(i); std::vector::iterator it; for (long i=0; iSize(); ++i) { std::vector inRoi = ExtractFiberIdSubset(children->ElementAt(i), storage); std::vector rest(result.size()-inRoi.size()); it = std::set_difference(result.begin(), result.end(), inRoi.begin(), inRoi.end(), rest.begin() ); rest.resize( it - rest.begin() ); result = rest; } break; } } } else if ( dynamic_cast(roi->GetData()) ) // actual extraction { if ( dynamic_cast(roi->GetData()) ) { mitk::PlanarFigure::Pointer planarPoly = dynamic_cast(roi->GetData()); //create vtkPolygon using controlpoints from planarFigure polygon vtkSmartPointer polygonVtk = vtkSmartPointer::New(); for (unsigned int i=0; iGetNumberOfControlPoints(); ++i) { itk::Point p = planarPoly->GetWorldControlPoint(i); vtkIdType id = polygonVtk->GetPoints()->InsertNextPoint(p[0], p[1], p[2] ); polygonVtk->GetPointIds()->InsertNextId(id); } MITK_INFO << "Extracting with polygon"; boost::progress_display disp(m_NumFibers); for (int i=0; iGetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); for (int j=0; jGetPoint(j, p1); double p2[3] = {0,0,0}; points->GetPoint(j+1, p2); double tolerance = 0.001; // Outputs double t = 0; // Parametric coordinate of intersection (0 (corresponding to p1) to 1 (corresponding to p2)) double x[3] = {0,0,0}; // The coordinate of the intersection double pcoords[3] = {0,0,0}; int subId = 0; int iD = polygonVtk->IntersectWithLine(p1, p2, tolerance, t, x, pcoords, subId); if (iD!=0) { result.push_back(i); break; } } } } else if ( dynamic_cast(roi->GetData()) ) { mitk::PlanarFigure::Pointer planarFigure = dynamic_cast(roi->GetData()); Vector3D planeNormal = planarFigure->GetPlaneGeometry()->GetNormal(); planeNormal.Normalize(); //calculate circle radius mitk::Point3D V1w = planarFigure->GetWorldControlPoint(0); //centerPoint mitk::Point3D V2w = planarFigure->GetWorldControlPoint(1); //radiusPoint double radius = V1w.EuclideanDistanceTo(V2w); radius *= radius; MITK_INFO << "Extracting with circle"; boost::progress_display disp(m_NumFibers); for (int i=0; iGetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); for (int j=0; jGetPoint(j, p1); double p2[3] = {0,0,0}; points->GetPoint(j+1, p2); // Outputs double t = 0; // Parametric coordinate of intersection (0 (corresponding to p1) to 1 (corresponding to p2)) double x[3] = {0,0,0}; // The coordinate of the intersection int iD = vtkPlane::IntersectWithLine(p1,p2,planeNormal.GetDataPointer(),V1w.GetDataPointer(),t,x); if (iD!=0) { double dist = (x[0]-V1w[0])*(x[0]-V1w[0])+(x[1]-V1w[1])*(x[1]-V1w[1])+(x[2]-V1w[2])*(x[2]-V1w[2]); if( dist <= radius) { result.push_back(i); break; } } } } } return result; } return result; } void mitk::FiberBundle::UpdateFiberGeometry() { vtkSmartPointer cleaner = vtkSmartPointer::New(); cleaner->SetInputData(m_FiberPolyData); cleaner->PointMergingOff(); cleaner->Update(); m_FiberPolyData = cleaner->GetOutput(); m_FiberLengths.clear(); m_MeanFiberLength = 0; m_MedianFiberLength = 0; m_LengthStDev = 0; m_NumFibers = m_FiberPolyData->GetNumberOfCells(); if (m_FiberColors==NULL || m_FiberColors->GetNumberOfTuples()!=m_FiberPolyData->GetNumberOfPoints()) this->ColorFibersByOrientation(); if (m_FiberWeights->GetSize()!=m_NumFibers) { m_FiberWeights = vtkSmartPointer::New(); m_FiberWeights->SetName("FIBER_WEIGHTS"); m_FiberWeights->SetNumberOfValues(m_NumFibers); this->SetFiberWeights(1); } if (m_NumFibers<=0) // no fibers present; apply default geometry { m_MinFiberLength = 0; m_MaxFiberLength = 0; mitk::Geometry3D::Pointer geometry = mitk::Geometry3D::New(); geometry->SetImageGeometry(false); float b[] = {0, 1, 0, 1, 0, 1}; geometry->SetFloatBounds(b); SetGeometry(geometry); return; } double b[6]; m_FiberPolyData->GetBounds(b); // calculate statistics for (int i=0; iGetNumberOfCells(); i++) { vtkCell* cell = m_FiberPolyData->GetCell(i); int p = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); float length = 0; for (int j=0; jGetPoint(j, p1); double p2[3]; points->GetPoint(j+1, p2); float dist = std::sqrt((p1[0]-p2[0])*(p1[0]-p2[0])+(p1[1]-p2[1])*(p1[1]-p2[1])+(p1[2]-p2[2])*(p1[2]-p2[2])); length += dist; } m_FiberLengths.push_back(length); m_MeanFiberLength += length; if (i==0) { m_MinFiberLength = length; m_MaxFiberLength = length; } else { if (lengthm_MaxFiberLength) m_MaxFiberLength = length; } } m_MeanFiberLength /= m_NumFibers; std::vector< float > sortedLengths = m_FiberLengths; std::sort(sortedLengths.begin(), sortedLengths.end()); for (int i=0; i1) m_LengthStDev /= (m_NumFibers-1); else m_LengthStDev = 0; m_LengthStDev = std::sqrt(m_LengthStDev); m_MedianFiberLength = sortedLengths.at(m_NumFibers/2); mitk::Geometry3D::Pointer geometry = mitk::Geometry3D::New(); geometry->SetFloatBounds(b); this->SetGeometry(geometry); m_UpdateTime3D.Modified(); m_UpdateTime2D.Modified(); } float mitk::FiberBundle::GetFiberWeight(unsigned int fiber) { return m_FiberWeights->GetValue(fiber); } void mitk::FiberBundle::SetFiberWeights(float newWeight) { for (int i=0; iGetSize(); i++) m_FiberWeights->SetValue(i, newWeight); } void mitk::FiberBundle::SetFiberWeights(vtkSmartPointer weights) { if (m_NumFibers!=weights->GetSize()) + { + MITK_INFO << "Weights array not equal to number of fibers!"; return; + } for (int i=0; iGetSize(); i++) m_FiberWeights->SetValue(i, weights->GetValue(i)); m_FiberWeights->SetName("FIBER_WEIGHTS"); } void mitk::FiberBundle::SetFiberWeight(unsigned int fiber, float weight) { m_FiberWeights->SetValue(fiber, weight); } void mitk::FiberBundle::SetFiberColors(vtkSmartPointer fiberColors) { for(long i=0; iGetNumberOfPoints(); ++i) { unsigned char source[4] = {0,0,0,0}; fiberColors->GetTupleValue(i, source); unsigned char target[4] = {0,0,0,0}; target[0] = source[0]; target[1] = source[1]; target[2] = source[2]; target[3] = source[3]; m_FiberColors->InsertTupleValue(i, target); } m_UpdateTime3D.Modified(); m_UpdateTime2D.Modified(); } itk::Matrix< double, 3, 3 > mitk::FiberBundle::TransformMatrix(itk::Matrix< double, 3, 3 > m, double rx, double ry, double rz) { rx = rx*M_PI/180; ry = ry*M_PI/180; rz = rz*M_PI/180; itk::Matrix< double, 3, 3 > rotX; rotX.SetIdentity(); rotX[1][1] = cos(rx); rotX[2][2] = rotX[1][1]; rotX[1][2] = -sin(rx); rotX[2][1] = -rotX[1][2]; itk::Matrix< double, 3, 3 > rotY; rotY.SetIdentity(); rotY[0][0] = cos(ry); rotY[2][2] = rotY[0][0]; rotY[0][2] = sin(ry); rotY[2][0] = -rotY[0][2]; itk::Matrix< double, 3, 3 > rotZ; rotZ.SetIdentity(); rotZ[0][0] = cos(rz); rotZ[1][1] = rotZ[0][0]; rotZ[0][1] = -sin(rz); rotZ[1][0] = -rotZ[0][1]; itk::Matrix< double, 3, 3 > rot = rotZ*rotY*rotX; m = rot*m; return m; } itk::Point mitk::FiberBundle::TransformPoint(vnl_vector_fixed< double, 3 > point, double rx, double ry, double rz, double tx, double ty, double tz) { rx = rx*M_PI/180; ry = ry*M_PI/180; rz = rz*M_PI/180; vnl_matrix_fixed< double, 3, 3 > rotX; rotX.set_identity(); rotX[1][1] = cos(rx); rotX[2][2] = rotX[1][1]; rotX[1][2] = -sin(rx); rotX[2][1] = -rotX[1][2]; vnl_matrix_fixed< double, 3, 3 > rotY; rotY.set_identity(); rotY[0][0] = cos(ry); rotY[2][2] = rotY[0][0]; rotY[0][2] = sin(ry); rotY[2][0] = -rotY[0][2]; vnl_matrix_fixed< double, 3, 3 > rotZ; rotZ.set_identity(); rotZ[0][0] = cos(rz); rotZ[1][1] = rotZ[0][0]; rotZ[0][1] = -sin(rz); rotZ[1][0] = -rotZ[0][1]; vnl_matrix_fixed< double, 3, 3 > rot = rotZ*rotY*rotX; mitk::BaseGeometry::Pointer geom = this->GetGeometry(); mitk::Point3D center = geom->GetCenter(); point[0] -= center[0]; point[1] -= center[1]; point[2] -= center[2]; point = rot*point; point[0] += center[0]+tx; point[1] += center[1]+ty; point[2] += center[2]+tz; itk::Point out; out[0] = point[0]; out[1] = point[1]; out[2] = point[2]; return out; } void mitk::FiberBundle::TransformFibers(double rx, double ry, double rz, double tx, double ty, double tz) { rx = rx*M_PI/180; ry = ry*M_PI/180; rz = rz*M_PI/180; vnl_matrix_fixed< double, 3, 3 > rotX; rotX.set_identity(); rotX[1][1] = cos(rx); rotX[2][2] = rotX[1][1]; rotX[1][2] = -sin(rx); rotX[2][1] = -rotX[1][2]; vnl_matrix_fixed< double, 3, 3 > rotY; rotY.set_identity(); rotY[0][0] = cos(ry); rotY[2][2] = rotY[0][0]; rotY[0][2] = sin(ry); rotY[2][0] = -rotY[0][2]; vnl_matrix_fixed< double, 3, 3 > rotZ; rotZ.set_identity(); rotZ[0][0] = cos(rz); rotZ[1][1] = rotZ[0][0]; rotZ[0][1] = -sin(rz); rotZ[1][0] = -rotZ[0][1]; vnl_matrix_fixed< double, 3, 3 > rot = rotZ*rotY*rotX; mitk::BaseGeometry::Pointer geom = this->GetGeometry(); mitk::Point3D center = geom->GetCenter(); vtkSmartPointer vtkNewPoints = vtkSmartPointer::New(); vtkSmartPointer vtkNewCells = vtkSmartPointer::New(); for (int i=0; iGetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); vtkSmartPointer container = vtkSmartPointer::New(); for (int j=0; jGetPoint(j); vnl_vector_fixed< double, 3 > dir; dir[0] = p[0]-center[0]; dir[1] = p[1]-center[1]; dir[2] = p[2]-center[2]; dir = rot*dir; dir[0] += center[0]+tx; dir[1] += center[1]+ty; dir[2] += center[2]+tz; vtkIdType id = vtkNewPoints->InsertNextPoint(dir.data_block()); container->GetPointIds()->InsertNextId(id); } vtkNewCells->InsertNextCell(container); } m_FiberPolyData = vtkSmartPointer::New(); m_FiberPolyData->SetPoints(vtkNewPoints); m_FiberPolyData->SetLines(vtkNewCells); this->SetFiberPolyData(m_FiberPolyData, true); } void mitk::FiberBundle::RotateAroundAxis(double x, double y, double z) { x = x*M_PI/180; y = y*M_PI/180; z = z*M_PI/180; vnl_matrix_fixed< double, 3, 3 > rotX; rotX.set_identity(); rotX[1][1] = cos(x); rotX[2][2] = rotX[1][1]; rotX[1][2] = -sin(x); rotX[2][1] = -rotX[1][2]; vnl_matrix_fixed< double, 3, 3 > rotY; rotY.set_identity(); rotY[0][0] = cos(y); rotY[2][2] = rotY[0][0]; rotY[0][2] = sin(y); rotY[2][0] = -rotY[0][2]; vnl_matrix_fixed< double, 3, 3 > rotZ; rotZ.set_identity(); rotZ[0][0] = cos(z); rotZ[1][1] = rotZ[0][0]; rotZ[0][1] = -sin(z); rotZ[1][0] = -rotZ[0][1]; mitk::BaseGeometry::Pointer geom = this->GetGeometry(); mitk::Point3D center = geom->GetCenter(); vtkSmartPointer vtkNewPoints = vtkSmartPointer::New(); vtkSmartPointer vtkNewCells = vtkSmartPointer::New(); for (int i=0; iGetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); vtkSmartPointer container = vtkSmartPointer::New(); for (int j=0; jGetPoint(j); vnl_vector_fixed< double, 3 > dir; dir[0] = p[0]-center[0]; dir[1] = p[1]-center[1]; dir[2] = p[2]-center[2]; dir = rotZ*rotY*rotX*dir; dir[0] += center[0]; dir[1] += center[1]; dir[2] += center[2]; vtkIdType id = vtkNewPoints->InsertNextPoint(dir.data_block()); container->GetPointIds()->InsertNextId(id); } vtkNewCells->InsertNextCell(container); } m_FiberPolyData = vtkSmartPointer::New(); m_FiberPolyData->SetPoints(vtkNewPoints); m_FiberPolyData->SetLines(vtkNewCells); this->SetFiberPolyData(m_FiberPolyData, true); } void mitk::FiberBundle::ScaleFibers(double x, double y, double z, bool subtractCenter) { MITK_INFO << "Scaling fibers"; boost::progress_display disp(m_NumFibers); mitk::BaseGeometry* geom = this->GetGeometry(); mitk::Point3D c = geom->GetCenter(); vtkSmartPointer vtkNewPoints = vtkSmartPointer::New(); vtkSmartPointer vtkNewCells = vtkSmartPointer::New(); for (int i=0; iGetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); vtkSmartPointer container = vtkSmartPointer::New(); for (int j=0; jGetPoint(j); if (subtractCenter) { p[0] -= c[0]; p[1] -= c[1]; p[2] -= c[2]; } p[0] *= x; p[1] *= y; p[2] *= z; if (subtractCenter) { p[0] += c[0]; p[1] += c[1]; p[2] += c[2]; } vtkIdType id = vtkNewPoints->InsertNextPoint(p); container->GetPointIds()->InsertNextId(id); } vtkNewCells->InsertNextCell(container); } m_FiberPolyData = vtkSmartPointer::New(); m_FiberPolyData->SetPoints(vtkNewPoints); m_FiberPolyData->SetLines(vtkNewCells); this->SetFiberPolyData(m_FiberPolyData, true); } void mitk::FiberBundle::TranslateFibers(double x, double y, double z) { vtkSmartPointer vtkNewPoints = vtkSmartPointer::New(); vtkSmartPointer vtkNewCells = vtkSmartPointer::New(); for (int i=0; iGetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); vtkSmartPointer container = vtkSmartPointer::New(); for (int j=0; jGetPoint(j); p[0] += x; p[1] += y; p[2] += z; vtkIdType id = vtkNewPoints->InsertNextPoint(p); container->GetPointIds()->InsertNextId(id); } vtkNewCells->InsertNextCell(container); } m_FiberPolyData = vtkSmartPointer::New(); m_FiberPolyData->SetPoints(vtkNewPoints); m_FiberPolyData->SetLines(vtkNewCells); this->SetFiberPolyData(m_FiberPolyData, true); } void mitk::FiberBundle::MirrorFibers(unsigned int axis) { if (axis>2) return; MITK_INFO << "Mirroring fibers"; boost::progress_display disp(m_NumFibers); vtkSmartPointer vtkNewPoints = vtkSmartPointer::New(); vtkSmartPointer vtkNewCells = vtkSmartPointer::New(); for (int i=0; iGetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); vtkSmartPointer container = vtkSmartPointer::New(); for (int j=0; jGetPoint(j); p[axis] = -p[axis]; vtkIdType id = vtkNewPoints->InsertNextPoint(p); container->GetPointIds()->InsertNextId(id); } vtkNewCells->InsertNextCell(container); } m_FiberPolyData = vtkSmartPointer::New(); m_FiberPolyData->SetPoints(vtkNewPoints); m_FiberPolyData->SetLines(vtkNewCells); this->SetFiberPolyData(m_FiberPolyData, true); } void mitk::FiberBundle::RemoveDir(vnl_vector_fixed dir, double threshold) { dir.normalize(); vtkSmartPointer vtkNewPoints = vtkSmartPointer::New(); vtkSmartPointer vtkNewCells = vtkSmartPointer::New(); boost::progress_display disp(m_FiberPolyData->GetNumberOfCells()); for (int i=0; iGetNumberOfCells(); i++) { ++disp ; vtkCell* cell = m_FiberPolyData->GetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); // calculate curvatures vtkSmartPointer container = vtkSmartPointer::New(); bool discard = false; for (int j=0; jGetPoint(j, p1); double p2[3]; points->GetPoint(j+1, p2); vnl_vector_fixed< double, 3 > v1; v1[0] = p2[0]-p1[0]; v1[1] = p2[1]-p1[1]; v1[2] = p2[2]-p1[2]; if (v1.magnitude()>0.001) { v1.normalize(); if (fabs(dot_product(v1,dir))>threshold) { discard = true; break; } } } if (!discard) { for (int j=0; jGetPoint(j, p1); vtkIdType id = vtkNewPoints->InsertNextPoint(p1); container->GetPointIds()->InsertNextId(id); } vtkNewCells->InsertNextCell(container); } } m_FiberPolyData = vtkSmartPointer::New(); m_FiberPolyData->SetPoints(vtkNewPoints); m_FiberPolyData->SetLines(vtkNewCells); this->SetFiberPolyData(m_FiberPolyData, true); // UpdateColorCoding(); // UpdateFiberGeometry(); } bool mitk::FiberBundle::ApplyCurvatureThreshold(float minRadius, bool deleteFibers) { if (minRadius<0) return true; vtkSmartPointer vtkNewPoints = vtkSmartPointer::New(); vtkSmartPointer vtkNewCells = vtkSmartPointer::New(); MITK_INFO << "Applying curvature threshold"; boost::progress_display disp(m_FiberPolyData->GetNumberOfCells()); for (int i=0; iGetNumberOfCells(); i++) { ++disp ; vtkCell* cell = m_FiberPolyData->GetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); // calculate curvatures vtkSmartPointer container = vtkSmartPointer::New(); for (int j=0; jGetPoint(j, p1); double p2[3]; points->GetPoint(j+1, p2); double p3[3]; points->GetPoint(j+2, p3); vnl_vector_fixed< float, 3 > v1, v2, v3; v1[0] = p2[0]-p1[0]; v1[1] = p2[1]-p1[1]; v1[2] = p2[2]-p1[2]; v2[0] = p3[0]-p2[0]; v2[1] = p3[1]-p2[1]; v2[2] = p3[2]-p2[2]; v3[0] = p1[0]-p3[0]; v3[1] = p1[1]-p3[1]; v3[2] = p1[2]-p3[2]; float a = v1.magnitude(); float b = v2.magnitude(); float c = v3.magnitude(); float r = a*b*c/std::sqrt((a+b+c)*(a+b-c)*(b+c-a)*(a-b+c)); // radius of triangle via Heron's formula (area of triangle) vtkIdType id = vtkNewPoints->InsertNextPoint(p1); container->GetPointIds()->InsertNextId(id); if (deleteFibers && rInsertNextCell(container); container = vtkSmartPointer::New(); } else if (j==numPoints-3) { id = vtkNewPoints->InsertNextPoint(p2); container->GetPointIds()->InsertNextId(id); id = vtkNewPoints->InsertNextPoint(p3); container->GetPointIds()->InsertNextId(id); vtkNewCells->InsertNextCell(container); } } } if (vtkNewCells->GetNumberOfCells()<=0) return false; m_FiberPolyData = vtkSmartPointer::New(); m_FiberPolyData->SetPoints(vtkNewPoints); m_FiberPolyData->SetLines(vtkNewCells); this->SetFiberPolyData(m_FiberPolyData, true); return true; } bool mitk::FiberBundle::RemoveShortFibers(float lengthInMM) { MITK_INFO << "Removing short fibers"; if (lengthInMM<=0 || lengthInMMm_MaxFiberLength) // can't remove all fibers { MITK_WARN << "Process aborted. No fibers would be left!"; return false; } vtkSmartPointer vtkNewPoints = vtkSmartPointer::New(); vtkSmartPointer vtkNewCells = vtkSmartPointer::New(); float min = m_MaxFiberLength; boost::progress_display disp(m_NumFibers); for (int i=0; iGetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); if (m_FiberLengths.at(i)>=lengthInMM) { vtkSmartPointer container = vtkSmartPointer::New(); for (int j=0; jGetPoint(j); vtkIdType id = vtkNewPoints->InsertNextPoint(p); container->GetPointIds()->InsertNextId(id); } vtkNewCells->InsertNextCell(container); if (m_FiberLengths.at(i)GetNumberOfCells()<=0) return false; m_FiberPolyData = vtkSmartPointer::New(); m_FiberPolyData->SetPoints(vtkNewPoints); m_FiberPolyData->SetLines(vtkNewCells); this->SetFiberPolyData(m_FiberPolyData, true); return true; } bool mitk::FiberBundle::RemoveLongFibers(float lengthInMM) { if (lengthInMM<=0 || lengthInMM>m_MaxFiberLength) return true; if (lengthInMM vtkNewPoints = vtkSmartPointer::New(); vtkSmartPointer vtkNewCells = vtkSmartPointer::New(); MITK_INFO << "Removing long fibers"; boost::progress_display disp(m_NumFibers); for (int i=0; iGetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); if (m_FiberLengths.at(i)<=lengthInMM) { vtkSmartPointer container = vtkSmartPointer::New(); for (int j=0; jGetPoint(j); vtkIdType id = vtkNewPoints->InsertNextPoint(p); container->GetPointIds()->InsertNextId(id); } vtkNewCells->InsertNextCell(container); } } if (vtkNewCells->GetNumberOfCells()<=0) return false; m_FiberPolyData = vtkSmartPointer::New(); m_FiberPolyData->SetPoints(vtkNewPoints); m_FiberPolyData->SetLines(vtkNewCells); this->SetFiberPolyData(m_FiberPolyData, true); return true; } void mitk::FiberBundle::ResampleSpline(float pointDistance, double tension, double continuity, double bias ) { if (pointDistance<=0) return; vtkSmartPointer vtkSmoothPoints = vtkSmartPointer::New(); //in smoothpoints the interpolated points representing a fiber are stored. //in vtkcells all polylines are stored, actually all id's of them are stored vtkSmartPointer vtkSmoothCells = vtkSmartPointer::New(); //cellcontainer for smoothed lines vtkIdType pointHelperCnt = 0; MITK_INFO << "Smoothing fibers"; boost::progress_display disp(m_NumFibers); for (int i=0; iGetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); vtkSmartPointer newPoints = vtkSmartPointer::New(); for (int j=0; jInsertNextPoint(points->GetPoint(j)); float length = m_FiberLengths.at(i); int sampling = std::ceil(length/pointDistance); vtkSmartPointer xSpline = vtkSmartPointer::New(); vtkSmartPointer ySpline = vtkSmartPointer::New(); vtkSmartPointer zSpline = vtkSmartPointer::New(); xSpline->SetDefaultBias(bias); xSpline->SetDefaultTension(tension); xSpline->SetDefaultContinuity(continuity); ySpline->SetDefaultBias(bias); ySpline->SetDefaultTension(tension); ySpline->SetDefaultContinuity(continuity); zSpline->SetDefaultBias(bias); zSpline->SetDefaultTension(tension); zSpline->SetDefaultContinuity(continuity); vtkSmartPointer spline = vtkSmartPointer::New(); spline->SetXSpline(xSpline); spline->SetYSpline(ySpline); spline->SetZSpline(zSpline); spline->SetPoints(newPoints); vtkSmartPointer functionSource = vtkSmartPointer::New(); functionSource->SetParametricFunction(spline); functionSource->SetUResolution(sampling); functionSource->SetVResolution(sampling); functionSource->SetWResolution(sampling); functionSource->Update(); vtkPolyData* outputFunction = functionSource->GetOutput(); vtkPoints* tmpSmoothPnts = outputFunction->GetPoints(); //smoothPoints of current fiber vtkSmartPointer smoothLine = vtkSmartPointer::New(); smoothLine->GetPointIds()->SetNumberOfIds(tmpSmoothPnts->GetNumberOfPoints()); for (int j=0; jGetNumberOfPoints(); j++) { smoothLine->GetPointIds()->SetId(j, j+pointHelperCnt); vtkSmoothPoints->InsertNextPoint(tmpSmoothPnts->GetPoint(j)); } vtkSmoothCells->InsertNextCell(smoothLine); pointHelperCnt += tmpSmoothPnts->GetNumberOfPoints(); } m_FiberPolyData = vtkSmartPointer::New(); m_FiberPolyData->SetPoints(vtkSmoothPoints); m_FiberPolyData->SetLines(vtkSmoothCells); this->SetFiberPolyData(m_FiberPolyData, true); m_FiberSampling = 10/pointDistance; } void mitk::FiberBundle::ResampleSpline(float pointDistance) { ResampleSpline(pointDistance, 0, 0, 0 ); } unsigned long mitk::FiberBundle::GetNumberOfPoints() { unsigned long points = 0; for (int i=0; iGetNumberOfCells(); i++) { vtkCell* cell = m_FiberPolyData->GetCell(i); points += cell->GetNumberOfPoints(); } return points; } void mitk::FiberBundle::Compress(float error) { vtkSmartPointer vtkNewPoints = vtkSmartPointer::New(); vtkSmartPointer vtkNewCells = vtkSmartPointer::New(); MITK_INFO << "Compressing fibers"; unsigned long numRemovedPoints = 0; boost::progress_display disp(m_FiberPolyData->GetNumberOfCells()); for (int i=0; iGetNumberOfCells(); i++) { ++disp; vtkCell* cell = m_FiberPolyData->GetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); // calculate curvatures std::vector< int > removedPoints; removedPoints.resize(numPoints, 0); removedPoints[0]=-1; removedPoints[numPoints-1]=-1; vtkSmartPointer container = vtkSmartPointer::New(); bool pointFound = true; while (pointFound) { pointFound = false; double minError = error; int removeIndex = -1; for (int j=0; jGetPoint(j, cand); vnl_vector_fixed< double, 3 > candV; candV[0]=cand[0]; candV[1]=cand[1]; candV[2]=cand[2]; int validP = -1; vnl_vector_fixed< double, 3 > pred; for (int k=j-1; k>=0; k--) if (removedPoints[k]<=0) { double ref[3]; points->GetPoint(k, ref); pred[0]=ref[0]; pred[1]=ref[1]; pred[2]=ref[2]; validP = k; break; } int validS = -1; vnl_vector_fixed< double, 3 > succ; for (int k=j+1; kGetPoint(k, ref); succ[0]=ref[0]; succ[1]=ref[1]; succ[2]=ref[2]; validS = k; break; } if (validP>=0 && validS>=0) { double a = (candV-pred).magnitude(); double b = (candV-succ).magnitude(); double c = (pred-succ).magnitude(); double s=0.5*(a+b+c); double hc=(2.0/c)*sqrt(fabs(s*(s-a)*(s-b)*(s-c))); if (hcGetPoint(j, cand); vtkIdType id = vtkNewPoints->InsertNextPoint(cand); container->GetPointIds()->InsertNextId(id); } } vtkNewCells->InsertNextCell(container); } if (vtkNewCells->GetNumberOfCells()>0) { MITK_INFO << "Removed points: " << numRemovedPoints; m_FiberPolyData = vtkSmartPointer::New(); m_FiberPolyData->SetPoints(vtkNewPoints); m_FiberPolyData->SetLines(vtkNewCells); this->SetFiberPolyData(m_FiberPolyData, true); } } // reapply selected colorcoding in case polydata structure has changed bool mitk::FiberBundle::Equals(mitk::FiberBundle* fib, double eps) { if (fib==NULL) { MITK_INFO << "Reference bundle is NULL!"; return false; } if (m_NumFibers!=fib->GetNumFibers()) { MITK_INFO << "Unequal number of fibers!"; MITK_INFO << m_NumFibers << " vs. " << fib->GetNumFibers(); return false; } for (int i=0; iGetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); vtkCell* cell2 = fib->GetFiberPolyData()->GetCell(i); int numPoints2 = cell2->GetNumberOfPoints(); vtkPoints* points2 = cell2->GetPoints(); if (numPoints2!=numPoints) { MITK_INFO << "Unequal number of points in fiber " << i << "!"; MITK_INFO << numPoints2 << " vs. " << numPoints; return false; } for (int j=0; jGetPoint(j); double* p2 = points2->GetPoint(j); if (fabs(p1[0]-p2[0])>eps || fabs(p1[1]-p2[1])>eps || fabs(p1[2]-p2[2])>eps) { MITK_INFO << "Unequal points in fiber " << i << " at position " << j << "!"; MITK_INFO << "p1: " << p1[0] << ", " << p1[1] << ", " << p1[2]; MITK_INFO << "p2: " << p2[0] << ", " << p2[1] << ", " << p2[2]; return false; } } } return true; } /* ESSENTIAL IMPLEMENTATION OF SUPERCLASS METHODS */ void mitk::FiberBundle::UpdateOutputInformation() { } void mitk::FiberBundle::SetRequestedRegionToLargestPossibleRegion() { } bool mitk::FiberBundle::RequestedRegionIsOutsideOfTheBufferedRegion() { return false; } bool mitk::FiberBundle::VerifyRequestedRegion() { return true; } void mitk::FiberBundle::SetRequestedRegion(const itk::DataObject* ) { } diff --git a/Plugins/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkFiberfoxView.cpp b/Plugins/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkFiberfoxView.cpp index 8443c5c8b3..799ba84942 100644 --- a/Plugins/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkFiberfoxView.cpp +++ b/Plugins/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkFiberfoxView.cpp @@ -1,2839 +1,2839 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ //misc #define _USE_MATH_DEFINES #include // Blueberry #include #include // Qmitk #include "QmitkFiberfoxView.h" // MITK #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define RAPIDXML_NO_EXCEPTIONS #include #include #include #include #include "usModuleRegistry.h" #include #include #include #include #include #include #include #include #include #include "mitkNodePredicateDataType.h" #include #include #include #include #define _USE_MATH_DEFINES #include QmitkFiberfoxWorker::QmitkFiberfoxWorker(QmitkFiberfoxView* view) : m_View(view) { } void QmitkFiberfoxWorker::run() { try{ switch (m_FilterType) { case 0: m_View->m_TractsToDwiFilter->Update(); break; case 1: m_View->m_ArtifactsToDwiFilter->Update(); break; } } catch( ... ) { } m_View->m_Thread.quit(); } const std::string QmitkFiberfoxView::VIEW_ID = "org.mitk.views.fiberfoxview"; QmitkFiberfoxView::QmitkFiberfoxView() : QmitkAbstractView() , m_Controls( 0 ) , m_SelectedImageNode( NULL ) , m_Worker(this) , m_ThreadIsRunning(false) { m_Worker.moveToThread(&m_Thread); connect(&m_Thread, SIGNAL(started()), this, SLOT(BeforeThread())); connect(&m_Thread, SIGNAL(started()), &m_Worker, SLOT(run())); connect(&m_Thread, SIGNAL(finished()), this, SLOT(AfterThread())); - connect(&m_Thread, SIGNAL(terminated()), this, SLOT(AfterThread())); +// connect(&m_Thread, SIGNAL(terminated()), this, SLOT(AfterThread())); m_SimulationTimer = new QTimer(this); } void QmitkFiberfoxView::KillThread() { MITK_INFO << "Aborting DWI simulation."; switch (m_Worker.m_FilterType) { case 0: m_TractsToDwiFilter->SetAbortGenerateData(true); break; case 1: m_ArtifactsToDwiFilter->SetAbortGenerateData(true); break; } m_Controls->m_AbortSimulationButton->setEnabled(false); m_Controls->m_AbortSimulationButton->setText("Aborting simulation ..."); } void QmitkFiberfoxView::BeforeThread() { m_SimulationTime = QTime::currentTime(); m_SimulationTimer->start(100); m_Controls->m_AbortSimulationButton->setVisible(true); m_Controls->m_GenerateImageButton->setVisible(false); m_Controls->m_SimulationStatusText->setVisible(true); m_ThreadIsRunning = true; } void QmitkFiberfoxView::AfterThread() { UpdateSimulationStatus(); m_SimulationTimer->stop(); m_Controls->m_AbortSimulationButton->setVisible(false); m_Controls->m_AbortSimulationButton->setEnabled(true); m_Controls->m_AbortSimulationButton->setText("Abort simulation"); m_Controls->m_GenerateImageButton->setVisible(true); m_ThreadIsRunning = false; QString statusText; FiberfoxParameters parameters; mitk::Image::Pointer mitkImage = mitk::Image::New(); switch (m_Worker.m_FilterType) { case 0: { statusText = QString(m_TractsToDwiFilter->GetStatusText().c_str()); if (m_TractsToDwiFilter->GetAbortGenerateData()) { MITK_INFO << "Simulation aborted."; return; } parameters = m_TractsToDwiFilter->GetParameters(); mitkImage = mitk::GrabItkImageMemory( m_TractsToDwiFilter->GetOutput() ); mitkImage->SetProperty( mitk::DiffusionPropertyHelper::GRADIENTCONTAINERPROPERTYNAME.c_str(), mitk::GradientDirectionsProperty::New( parameters.m_SignalGen.GetGradientDirections() )); mitkImage->SetProperty( mitk::DiffusionPropertyHelper::REFERENCEBVALUEPROPERTYNAME.c_str(), mitk::FloatProperty::New( parameters.m_SignalGen.m_Bvalue )); mitk::DiffusionPropertyHelper propertyHelper( mitkImage ); propertyHelper.InitializeImage(); parameters.m_Misc.m_ResultNode->SetData( mitkImage ); parameters.m_Misc.m_ResultNode->SetName(parameters.m_Misc.m_ParentNode->GetName() +"_D"+QString::number(parameters.m_SignalGen.m_ImageRegion.GetSize(0)).toStdString() +"-"+QString::number(parameters.m_SignalGen.m_ImageRegion.GetSize(1)).toStdString() +"-"+QString::number(parameters.m_SignalGen.m_ImageRegion.GetSize(2)).toStdString() +"_S"+QString::number(parameters.m_SignalGen.m_ImageSpacing[0]).toStdString() +"-"+QString::number(parameters.m_SignalGen.m_ImageSpacing[1]).toStdString() +"-"+QString::number(parameters.m_SignalGen.m_ImageSpacing[2]).toStdString() +"_b"+QString::number(parameters.m_SignalGen.m_Bvalue).toStdString() +"_"+parameters.m_Misc.m_SignalModelString +parameters.m_Misc.m_ArtifactModelString); GetDataStorage()->Add(parameters.m_Misc.m_ResultNode, parameters.m_Misc.m_ParentNode); parameters.m_Misc.m_ResultNode->SetProperty( "levelwindow", mitk::LevelWindowProperty::New(m_TractsToDwiFilter->GetLevelWindow()) ); if (m_Controls->m_VolumeFractionsBox->isChecked()) { std::vector< itk::TractsToDWIImageFilter< short >::ItkDoubleImgType::Pointer > volumeFractions = m_TractsToDwiFilter->GetVolumeFractions(); for (unsigned int k=0; kInitializeByItk(volumeFractions.at(k).GetPointer()); image->SetVolume(volumeFractions.at(k)->GetBufferPointer()); mitk::DataNode::Pointer node = mitk::DataNode::New(); node->SetData( image ); node->SetName("CompartmentVolume-"+QString::number(k).toStdString()); GetDataStorage()->Add(node, parameters.m_Misc.m_ResultNode); } if (m_TractsToDwiFilter->GetPhaseImage().IsNotNull()) { mitk::Image::Pointer phaseImage = mitk::Image::New(); itk::TractsToDWIImageFilter< short >::DoubleDwiType::Pointer itkPhase = m_TractsToDwiFilter->GetPhaseImage(); phaseImage = mitk::GrabItkImageMemory( itkPhase.GetPointer() ); mitk::DataNode::Pointer phaseNode = mitk::DataNode::New(); phaseNode->SetData( phaseImage ); phaseNode->SetName("Phase Image"); GetDataStorage()->Add(phaseNode, parameters.m_Misc.m_ResultNode); } if (m_TractsToDwiFilter->GetKspaceImage().IsNotNull()) { mitk::Image::Pointer image = mitk::Image::New(); itk::TractsToDWIImageFilter< short >::DoubleDwiType::Pointer itkImage = m_TractsToDwiFilter->GetKspaceImage(); image = mitk::GrabItkImageMemory( itkImage.GetPointer() ); mitk::DataNode::Pointer node = mitk::DataNode::New(); node->SetData( image ); node->SetName("k-Space"); GetDataStorage()->Add(node, parameters.m_Misc.m_ResultNode); } { mitk::DataNode::Pointer node = mitk::DataNode::New(); node->SetData(m_TractsToDwiFilter->GetCoilPointset()); node->SetName("Coil Positions"); node->SetProperty("pointsize", mitk::FloatProperty::New(parameters.m_SignalGen.m_ImageSpacing[0]/4)); node->SetProperty("color", mitk::ColorProperty::New(0, 1, 0)); GetDataStorage()->Add(node, parameters.m_Misc.m_ResultNode); } } m_TractsToDwiFilter = NULL; break; } case 1: { statusText = QString(m_ArtifactsToDwiFilter->GetStatusText().c_str()); if (m_ArtifactsToDwiFilter->GetAbortGenerateData()) { MITK_INFO << "Simulation aborted."; return; } parameters = m_ArtifactsToDwiFilter->GetParameters().CopyParameters(); mitk::Image::Pointer diffImg = dynamic_cast(parameters.m_Misc.m_ParentNode->GetData()); mitkImage = mitk::GrabItkImageMemory( m_ArtifactsToDwiFilter->GetOutput() ); mitkImage->SetProperty( mitk::DiffusionPropertyHelper::GRADIENTCONTAINERPROPERTYNAME.c_str(), mitk::GradientDirectionsProperty::New( static_cast( diffImg->GetProperty(mitk::DiffusionPropertyHelper::GRADIENTCONTAINERPROPERTYNAME.c_str()).GetPointer() )->GetGradientDirectionsContainer() ) ); mitkImage->SetProperty( mitk::DiffusionPropertyHelper::REFERENCEBVALUEPROPERTYNAME.c_str(), mitk::FloatProperty::New( static_cast( diffImg->GetProperty(mitk::DiffusionPropertyHelper::REFERENCEBVALUEPROPERTYNAME.c_str()).GetPointer() )->GetValue() ) ); mitk::DiffusionPropertyHelper propertyHelper( mitkImage ); propertyHelper.InitializeImage(); parameters.m_Misc.m_ResultNode->SetData( mitkImage ); parameters.m_Misc.m_ResultNode->SetName(parameters.m_Misc.m_ParentNode->GetName()+parameters.m_Misc.m_ArtifactModelString); GetDataStorage()->Add(parameters.m_Misc.m_ResultNode, parameters.m_Misc.m_ParentNode); m_ArtifactsToDwiFilter = NULL; break; } } mitk::BaseData::Pointer basedata = parameters.m_Misc.m_ResultNode->GetData(); if (basedata.IsNotNull()) { mitk::RenderingManager::GetInstance()->InitializeViews( basedata->GetTimeGeometry(), mitk::RenderingManager::REQUEST_UPDATE_ALL, true ); mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } if (!parameters.m_Misc.m_OutputPath.empty()) { try{ QString outputFileName(parameters.m_Misc.m_OutputPath.c_str()); outputFileName += parameters.m_Misc.m_ResultNode->GetName().c_str(); outputFileName.replace(QString("."), QString("_")); outputFileName += ".dwi"; QString status("Saving output image to "); status += outputFileName; m_Controls->m_SimulationStatusText->append(status); mitk::IOUtil::SaveBaseData(mitkImage, outputFileName.toStdString()); m_Controls->m_SimulationStatusText->append("File saved successfully."); } catch (itk::ExceptionObject &e) { QString status("Exception during DWI writing: "); status += e.GetDescription(); m_Controls->m_SimulationStatusText->append(status); } catch (...) { m_Controls->m_SimulationStatusText->append("Unknown exception during DWI writing!"); } } parameters.m_SignalGen.m_FrequencyMap = NULL; } void QmitkFiberfoxView::UpdateSimulationStatus() { QString statusText; switch (m_Worker.m_FilterType) { case 0: statusText = QString(m_TractsToDwiFilter->GetStatusText().c_str()); break; case 1: statusText = QString(m_ArtifactsToDwiFilter->GetStatusText().c_str()); break; } if (QString::compare(m_SimulationStatusText,statusText)!=0) { m_Controls->m_SimulationStatusText->clear(); statusText = "
"+statusText+"
"; m_Controls->m_SimulationStatusText->setText(statusText); QScrollBar *vScrollBar = m_Controls->m_SimulationStatusText->verticalScrollBar(); vScrollBar->triggerAction(QScrollBar::SliderToMaximum); } } // Destructor QmitkFiberfoxView::~QmitkFiberfoxView() { delete m_SimulationTimer; } void QmitkFiberfoxView::CreateQtPartControl( QWidget *parent ) { // build up qt view, unless already done if ( !m_Controls ) { // create GUI widgets from the Qt Designer's .ui file m_Controls = new Ui::QmitkFiberfoxViewControls; m_Controls->setupUi( parent ); m_Controls->m_StickWidget1->setVisible(true); m_Controls->m_StickWidget2->setVisible(false); m_Controls->m_ZeppelinWidget1->setVisible(false); m_Controls->m_ZeppelinWidget2->setVisible(false); m_Controls->m_TensorWidget1->setVisible(false); m_Controls->m_TensorWidget2->setVisible(false); m_Controls->m_BallWidget1->setVisible(true); m_Controls->m_BallWidget2->setVisible(false); m_Controls->m_AstrosticksWidget1->setVisible(false); m_Controls->m_AstrosticksWidget2->setVisible(false); m_Controls->m_DotWidget1->setVisible(false); m_Controls->m_DotWidget2->setVisible(false); m_Controls->m_PrototypeWidget1->setVisible(false); m_Controls->m_PrototypeWidget2->setVisible(false); m_Controls->m_PrototypeWidget3->setVisible(false); m_Controls->m_PrototypeWidget4->setVisible(false); m_Controls->m_PrototypeWidget3->SetMinFa(0.0); m_Controls->m_PrototypeWidget3->SetMaxFa(0.15); m_Controls->m_PrototypeWidget4->SetMinFa(0.0); m_Controls->m_PrototypeWidget4->SetMaxFa(0.15); m_Controls->m_PrototypeWidget3->SetMinAdc(0.0); m_Controls->m_PrototypeWidget3->SetMaxAdc(0.001); m_Controls->m_PrototypeWidget4->SetMinAdc(0.003); m_Controls->m_PrototypeWidget4->SetMaxAdc(0.004); m_Controls->m_Comp2FractionFrame->setVisible(false); m_Controls->m_Comp4FractionFrame->setVisible(false); m_Controls->m_DiffusionPropsMessage->setVisible(false); m_Controls->m_GeometryMessage->setVisible(false); m_Controls->m_AdvancedSignalOptionsFrame->setVisible(false); m_Controls->m_AdvancedFiberOptionsFrame->setVisible(false); m_Controls->m_VarianceBox->setVisible(false); m_Controls->m_NoiseFrame->setVisible(false); m_Controls->m_GhostFrame->setVisible(false); m_Controls->m_DistortionsFrame->setVisible(false); m_Controls->m_EddyFrame->setVisible(false); m_Controls->m_SpikeFrame->setVisible(false); m_Controls->m_AliasingFrame->setVisible(false); m_Controls->m_MotionArtifactFrame->setVisible(false); m_ParameterFile = QDir::currentPath()+"/param.ffp"; m_Controls->m_AbortSimulationButton->setVisible(false); m_Controls->m_SimulationStatusText->setVisible(false); m_Controls->m_FrequencyMapBox->SetDataStorage(this->GetDataStorage()); m_Controls->m_Comp1VolumeFraction->SetDataStorage(this->GetDataStorage()); m_Controls->m_Comp2VolumeFraction->SetDataStorage(this->GetDataStorage()); m_Controls->m_Comp3VolumeFraction->SetDataStorage(this->GetDataStorage()); m_Controls->m_Comp4VolumeFraction->SetDataStorage(this->GetDataStorage()); m_Controls->m_MaskComboBox->SetDataStorage(this->GetDataStorage()); m_Controls->m_TemplateComboBox->SetDataStorage(this->GetDataStorage()); m_Controls->m_FiberBundleComboBox->SetDataStorage(this->GetDataStorage()); mitk::TNodePredicateDataType::Pointer isFiberBundle = mitk::TNodePredicateDataType::New(); mitk::TNodePredicateDataType::Pointer isMitkImage = mitk::TNodePredicateDataType::New(); mitk::NodePredicateIsDWI::Pointer isDwi = mitk::NodePredicateIsDWI::New( ); mitk::NodePredicateDataType::Pointer isDti = mitk::NodePredicateDataType::New("TensorImage"); mitk::NodePredicateDataType::Pointer isQbi = mitk::NodePredicateDataType::New("QBallImage"); mitk::NodePredicateOr::Pointer isDiffusionImage = mitk::NodePredicateOr::New(isDwi, isDti); isDiffusionImage = mitk::NodePredicateOr::New(isDiffusionImage, isQbi); mitk::NodePredicateNot::Pointer noDiffusionImage = mitk::NodePredicateNot::New(isDiffusionImage); mitk::NodePredicateAnd::Pointer isNonDiffMitkImage = mitk::NodePredicateAnd::New(isMitkImage, noDiffusionImage); mitk::NodePredicateProperty::Pointer isBinaryPredicate = mitk::NodePredicateProperty::New("binary", mitk::BoolProperty::New(true)); mitk::NodePredicateAnd::Pointer isBinaryMitkImage = mitk::NodePredicateAnd::New( isNonDiffMitkImage, isBinaryPredicate ); m_Controls->m_FrequencyMapBox->SetPredicate(isNonDiffMitkImage); m_Controls->m_Comp1VolumeFraction->SetPredicate(isNonDiffMitkImage); m_Controls->m_Comp1VolumeFraction->SetZeroEntryText("--"); m_Controls->m_Comp2VolumeFraction->SetPredicate(isNonDiffMitkImage); m_Controls->m_Comp2VolumeFraction->SetZeroEntryText("--"); m_Controls->m_Comp3VolumeFraction->SetPredicate(isNonDiffMitkImage); m_Controls->m_Comp3VolumeFraction->SetZeroEntryText("--"); m_Controls->m_Comp4VolumeFraction->SetPredicate(isNonDiffMitkImage); m_Controls->m_Comp4VolumeFraction->SetZeroEntryText("--"); m_Controls->m_MaskComboBox->SetPredicate(isBinaryMitkImage); m_Controls->m_MaskComboBox->SetZeroEntryText("--"); m_Controls->m_TemplateComboBox->SetPredicate(isMitkImage); m_Controls->m_TemplateComboBox->SetZeroEntryText("--"); m_Controls->m_FiberBundleComboBox->SetPredicate(isFiberBundle); m_Controls->m_FiberBundleComboBox->SetZeroEntryText("--"); // mitk::NodePredicateDimension::Pointer dimensionPredicate = mitk::NodePredicateDimension::New(3); connect( m_SimulationTimer, SIGNAL(timeout()), this, SLOT(UpdateSimulationStatus()) ); connect((QObject*) m_Controls->m_AbortSimulationButton, SIGNAL(clicked()), (QObject*) this, SLOT(KillThread())); connect((QObject*) m_Controls->m_GenerateImageButton, SIGNAL(clicked()), (QObject*) this, SLOT(GenerateImage())); connect((QObject*) m_Controls->m_GenerateFibersButton, SIGNAL(clicked()), (QObject*) this, SLOT(GenerateFibers())); connect((QObject*) m_Controls->m_CircleButton, SIGNAL(clicked()), (QObject*) this, SLOT(OnDrawROI())); connect((QObject*) m_Controls->m_FlipButton, SIGNAL(clicked()), (QObject*) this, SLOT(OnFlipButton())); connect((QObject*) m_Controls->m_JoinBundlesButton, SIGNAL(clicked()), (QObject*) this, SLOT(JoinBundles())); connect((QObject*) m_Controls->m_VarianceBox, SIGNAL(valueChanged(double)), (QObject*) this, SLOT(OnVarianceChanged(double))); connect((QObject*) m_Controls->m_DistributionBox, SIGNAL(currentIndexChanged(int)), (QObject*) this, SLOT(OnDistributionChanged(int))); connect((QObject*) m_Controls->m_FiberDensityBox, SIGNAL(valueChanged(int)), (QObject*) this, SLOT(OnFiberDensityChanged(int))); connect((QObject*) m_Controls->m_FiberSamplingBox, SIGNAL(valueChanged(double)), (QObject*) this, SLOT(OnFiberSamplingChanged(double))); connect((QObject*) m_Controls->m_TensionBox, SIGNAL(valueChanged(double)), (QObject*) this, SLOT(OnTensionChanged(double))); connect((QObject*) m_Controls->m_ContinuityBox, SIGNAL(valueChanged(double)), (QObject*) this, SLOT(OnContinuityChanged(double))); connect((QObject*) m_Controls->m_BiasBox, SIGNAL(valueChanged(double)), (QObject*) this, SLOT(OnBiasChanged(double))); connect((QObject*) m_Controls->m_AddNoise, SIGNAL(stateChanged(int)), (QObject*) this, SLOT(OnAddNoise(int))); connect((QObject*) m_Controls->m_AddGhosts, SIGNAL(stateChanged(int)), (QObject*) this, SLOT(OnAddGhosts(int))); connect((QObject*) m_Controls->m_AddDistortions, SIGNAL(stateChanged(int)), (QObject*) this, SLOT(OnAddDistortions(int))); connect((QObject*) m_Controls->m_AddEddy, SIGNAL(stateChanged(int)), (QObject*) this, SLOT(OnAddEddy(int))); connect((QObject*) m_Controls->m_AddSpikes, SIGNAL(stateChanged(int)), (QObject*) this, SLOT(OnAddSpikes(int))); connect((QObject*) m_Controls->m_AddAliasing, SIGNAL(stateChanged(int)), (QObject*) this, SLOT(OnAddAliasing(int))); connect((QObject*) m_Controls->m_AddMotion, SIGNAL(stateChanged(int)), (QObject*) this, SLOT(OnAddMotion(int))); connect((QObject*) m_Controls->m_ConstantRadiusBox, SIGNAL(stateChanged(int)), (QObject*) this, SLOT(OnConstantRadius(int))); connect((QObject*) m_Controls->m_CopyBundlesButton, SIGNAL(clicked()), (QObject*) this, SLOT(CopyBundles())); connect((QObject*) m_Controls->m_TransformBundlesButton, SIGNAL(clicked()), (QObject*) this, SLOT(ApplyTransform())); connect((QObject*) m_Controls->m_AlignOnGrid, SIGNAL(clicked()), (QObject*) this, SLOT(AlignOnGrid())); connect((QObject*) m_Controls->m_Compartment1Box, SIGNAL(currentIndexChanged(int)), (QObject*) this, SLOT(Comp1ModelFrameVisibility(int))); connect((QObject*) m_Controls->m_Compartment2Box, SIGNAL(currentIndexChanged(int)), (QObject*) this, SLOT(Comp2ModelFrameVisibility(int))); connect((QObject*) m_Controls->m_Compartment3Box, SIGNAL(currentIndexChanged(int)), (QObject*) this, SLOT(Comp3ModelFrameVisibility(int))); connect((QObject*) m_Controls->m_Compartment4Box, SIGNAL(currentIndexChanged(int)), (QObject*) this, SLOT(Comp4ModelFrameVisibility(int))); connect((QObject*) m_Controls->m_AdvancedOptionsBox, SIGNAL( stateChanged(int)), (QObject*) this, SLOT(ShowAdvancedOptions(int))); connect((QObject*) m_Controls->m_AdvancedOptionsBox_2, SIGNAL( stateChanged(int)), (QObject*) this, SLOT(ShowAdvancedOptions(int))); connect((QObject*) m_Controls->m_SaveParametersButton, SIGNAL(clicked()), (QObject*) this, SLOT(SaveParameters())); connect((QObject*) m_Controls->m_LoadParametersButton, SIGNAL(clicked()), (QObject*) this, SLOT(LoadParameters())); connect((QObject*) m_Controls->m_OutputPathButton, SIGNAL(clicked()), (QObject*) this, SLOT(SetOutputPath())); connect((QObject*) m_Controls->m_MaskComboBox, SIGNAL(currentIndexChanged(int)), (QObject*) this, SLOT(OnMaskSelected(int))); connect((QObject*) m_Controls->m_TemplateComboBox, SIGNAL(currentIndexChanged(int)), (QObject*) this, SLOT(OnTemplateSelected(int))); connect((QObject*) m_Controls->m_FiberBundleComboBox, SIGNAL(currentIndexChanged(int)), (QObject*) this, SLOT(OnFibSelected(int))); } } void QmitkFiberfoxView::OnMaskSelected(int value) { UpdateGui(); } void QmitkFiberfoxView::OnTemplateSelected(int value) { UpdateGui(); } void QmitkFiberfoxView::OnFibSelected(int value) { UpdateGui(); } template< class ScalarType > FiberfoxParameters< ScalarType > QmitkFiberfoxView::UpdateImageParameters(bool all) { FiberfoxParameters< ScalarType > parameters; parameters.m_Misc.m_OutputPath = ""; parameters.m_Misc.m_CheckAdvancedFiberOptionsBox = m_Controls->m_AdvancedOptionsBox->isChecked(); parameters.m_Misc.m_CheckAdvancedSignalOptionsBox = m_Controls->m_AdvancedOptionsBox_2->isChecked(); parameters.m_Misc.m_CheckOutputVolumeFractionsBox = m_Controls->m_VolumeFractionsBox->isChecked(); string outputPath = m_Controls->m_SavePathEdit->text().toStdString(); if (outputPath.compare("-")!=0) { parameters.m_Misc.m_OutputPath = outputPath; parameters.m_Misc.m_OutputPath += "/"; } switch(m_Controls->m_DistributionBox->currentIndex()) { case 0: parameters.m_FiberGen.m_Distribution = FiberGenerationParameters::DISTRIBUTE_UNIFORM; break; case 1: parameters.m_FiberGen.m_Distribution = FiberGenerationParameters::DISTRIBUTE_GAUSSIAN; break; default: parameters.m_FiberGen.m_Distribution = FiberGenerationParameters::DISTRIBUTE_UNIFORM; } parameters.m_FiberGen.m_Variance = m_Controls->m_VarianceBox->value(); parameters.m_FiberGen.m_Density = m_Controls->m_FiberDensityBox->value(); parameters.m_FiberGen.m_Sampling = m_Controls->m_FiberSamplingBox->value(); parameters.m_FiberGen.m_Tension = m_Controls->m_TensionBox->value(); parameters.m_FiberGen.m_Continuity = m_Controls->m_ContinuityBox->value(); parameters.m_FiberGen.m_Bias = m_Controls->m_BiasBox->value(); parameters.m_FiberGen.m_Rotation[0] = m_Controls->m_XrotBox->value(); parameters.m_FiberGen.m_Rotation[1] = m_Controls->m_YrotBox->value(); parameters.m_FiberGen.m_Rotation[2] = m_Controls->m_ZrotBox->value(); parameters.m_FiberGen.m_Translation[0] = m_Controls->m_XtransBox->value(); parameters.m_FiberGen.m_Translation[1] = m_Controls->m_YtransBox->value(); parameters.m_FiberGen.m_Translation[2] = m_Controls->m_ZtransBox->value(); parameters.m_FiberGen.m_Scale[0] = m_Controls->m_XscaleBox->value(); parameters.m_FiberGen.m_Scale[1] = m_Controls->m_YscaleBox->value(); parameters.m_FiberGen.m_Scale[2] = m_Controls->m_ZscaleBox->value(); if (!all) return parameters; if (m_Controls->m_MaskComboBox->GetSelectedNode().IsNotNull()) { mitk::Image::Pointer mitkMaskImage = dynamic_cast(m_Controls->m_MaskComboBox->GetSelectedNode()->GetData()); mitk::CastToItkImage(mitkMaskImage, parameters.m_SignalGen.m_MaskImage); itk::ImageDuplicator::Pointer duplicator = itk::ImageDuplicator::New(); duplicator->SetInputImage(parameters.m_SignalGen.m_MaskImage); duplicator->Update(); parameters.m_SignalGen.m_MaskImage = duplicator->GetOutput(); } if (m_Controls->m_TemplateComboBox->GetSelectedNode().IsNotNull() && mitk::DiffusionPropertyHelper::IsDiffusionWeightedImage( m_Controls->m_TemplateComboBox->GetSelectedNode())) // use parameters of selected DWI { mitk::Image::Pointer dwi = dynamic_cast(m_Controls->m_TemplateComboBox->GetSelectedNode()->GetData()); ItkDwiType::Pointer itkVectorImagePointer = ItkDwiType::New(); mitk::CastToItkImage(dwi, itkVectorImagePointer); parameters.m_SignalGen.m_ImageRegion = itkVectorImagePointer->GetLargestPossibleRegion(); parameters.m_SignalGen.m_ImageSpacing = itkVectorImagePointer->GetSpacing(); parameters.m_SignalGen.m_ImageOrigin = itkVectorImagePointer->GetOrigin(); parameters.m_SignalGen.m_ImageDirection = itkVectorImagePointer->GetDirection(); parameters.m_SignalGen.m_Bvalue = static_cast(dwi->GetProperty(mitk::DiffusionPropertyHelper::REFERENCEBVALUEPROPERTYNAME.c_str()).GetPointer() )->GetValue(); parameters.m_SignalGen.SetGradienDirections(static_cast( dwi->GetProperty(mitk::DiffusionPropertyHelper::GRADIENTCONTAINERPROPERTYNAME.c_str()).GetPointer() )->GetGradientDirectionsContainer()); } else if (m_Controls->m_TemplateComboBox->GetSelectedNode().IsNotNull()) // use geometry of selected image { mitk::Image::Pointer img = dynamic_cast(m_Controls->m_TemplateComboBox->GetSelectedNode()->GetData()); itk::Image< float, 3 >::Pointer itkImg = itk::Image< float, 3 >::New(); CastToItkImage< itk::Image< float, 3 > >(img, itkImg); parameters.m_SignalGen.m_ImageRegion = itkImg->GetLargestPossibleRegion(); parameters.m_SignalGen.m_ImageSpacing = itkImg->GetSpacing(); parameters.m_SignalGen.m_ImageOrigin = itkImg->GetOrigin(); parameters.m_SignalGen.m_ImageDirection = itkImg->GetDirection(); parameters.m_SignalGen.SetNumWeightedVolumes(m_Controls->m_NumGradientsBox->value()); parameters.m_SignalGen.m_Bvalue = m_Controls->m_BvalueBox->value(); } else if (parameters.m_SignalGen.m_MaskImage.IsNotNull()) // use geometry of mask image { ItkUcharImgType::Pointer itkImg = parameters.m_SignalGen.m_MaskImage; parameters.m_SignalGen.m_ImageRegion = itkImg->GetLargestPossibleRegion(); parameters.m_SignalGen.m_ImageSpacing = itkImg->GetSpacing(); parameters.m_SignalGen.m_ImageOrigin = itkImg->GetOrigin(); parameters.m_SignalGen.m_ImageDirection = itkImg->GetDirection(); parameters.m_SignalGen.SetNumWeightedVolumes(m_Controls->m_NumGradientsBox->value()); parameters.m_SignalGen.m_Bvalue = m_Controls->m_BvalueBox->value(); } else // use GUI parameters { parameters.m_SignalGen.m_ImageRegion.SetSize(0, m_Controls->m_SizeX->value()); parameters.m_SignalGen.m_ImageRegion.SetSize(1, m_Controls->m_SizeY->value()); parameters.m_SignalGen.m_ImageRegion.SetSize(2, m_Controls->m_SizeZ->value()); parameters.m_SignalGen.m_ImageSpacing[0] = m_Controls->m_SpacingX->value(); parameters.m_SignalGen.m_ImageSpacing[1] = m_Controls->m_SpacingY->value(); parameters.m_SignalGen.m_ImageSpacing[2] = m_Controls->m_SpacingZ->value(); parameters.m_SignalGen.m_ImageOrigin[0] = parameters.m_SignalGen.m_ImageSpacing[0]/2; parameters.m_SignalGen.m_ImageOrigin[1] = parameters.m_SignalGen.m_ImageSpacing[1]/2; parameters.m_SignalGen.m_ImageOrigin[2] = parameters.m_SignalGen.m_ImageSpacing[2]/2; parameters.m_SignalGen.m_ImageDirection.SetIdentity(); parameters.m_SignalGen.SetNumWeightedVolumes(m_Controls->m_NumGradientsBox->value()); parameters.m_SignalGen.m_Bvalue = m_Controls->m_BvalueBox->value(); parameters.m_SignalGen.GenerateGradientHalfShell(); } // signal relaxation parameters.m_SignalGen.m_DoSimulateRelaxation = m_Controls->m_RelaxationBox->isChecked(); parameters.m_SignalGen.m_SimulateKspaceAcquisition = parameters.m_SignalGen.m_DoSimulateRelaxation; if (parameters.m_SignalGen.m_DoSimulateRelaxation && m_Controls->m_FiberBundleComboBox->GetSelectedNode().IsNotNull() ) { parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Relaxation", BoolProperty::New(true)); parameters.m_Misc.m_ArtifactModelString += "_RELAX"; } // N/2 ghosts parameters.m_Misc.m_CheckAddGhostsBox = m_Controls->m_AddGhosts->isChecked(); if (m_Controls->m_AddGhosts->isChecked()) { parameters.m_SignalGen.m_SimulateKspaceAcquisition = true; parameters.m_Misc.m_ArtifactModelString += "_GHOST"; parameters.m_SignalGen.m_KspaceLineOffset = m_Controls->m_kOffsetBox->value(); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Ghost", DoubleProperty::New(parameters.m_SignalGen.m_KspaceLineOffset)); } else parameters.m_SignalGen.m_KspaceLineOffset = 0; // Aliasing parameters.m_Misc.m_CheckAddAliasingBox = m_Controls->m_AddAliasing->isChecked(); if (m_Controls->m_AddAliasing->isChecked()) { parameters.m_SignalGen.m_SimulateKspaceAcquisition = true; parameters.m_Misc.m_ArtifactModelString += "_ALIASING"; parameters.m_SignalGen.m_CroppingFactor = (100-m_Controls->m_WrapBox->value())/100; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Aliasing", DoubleProperty::New(m_Controls->m_WrapBox->value())); } // Spikes parameters.m_Misc.m_CheckAddSpikesBox = m_Controls->m_AddSpikes->isChecked(); if (m_Controls->m_AddSpikes->isChecked()) { parameters.m_SignalGen.m_SimulateKspaceAcquisition = true; parameters.m_SignalGen.m_Spikes = m_Controls->m_SpikeNumBox->value(); parameters.m_SignalGen.m_SpikeAmplitude = m_Controls->m_SpikeScaleBox->value(); parameters.m_Misc.m_ArtifactModelString += "_SPIKES"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Spikes.Number", IntProperty::New(parameters.m_SignalGen.m_Spikes)); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Spikes.Amplitude", DoubleProperty::New(parameters.m_SignalGen.m_SpikeAmplitude)); } // gibbs ringing parameters.m_SignalGen.m_DoAddGibbsRinging = m_Controls->m_AddGibbsRinging->isChecked(); if (m_Controls->m_AddGibbsRinging->isChecked()) { parameters.m_SignalGen.m_SimulateKspaceAcquisition = true; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Ringing", BoolProperty::New(true)); parameters.m_Misc.m_ArtifactModelString += "_RINGING"; } // add distortions parameters.m_Misc.m_CheckAddDistortionsBox = m_Controls->m_AddDistortions->isChecked(); if (m_Controls->m_AddDistortions->isChecked() && m_Controls->m_FrequencyMapBox->GetSelectedNode().IsNotNull()) { mitk::DataNode::Pointer fMapNode = m_Controls->m_FrequencyMapBox->GetSelectedNode(); mitk::Image* img = dynamic_cast(fMapNode->GetData()); ItkDoubleImgType::Pointer itkImg = ItkDoubleImgType::New(); CastToItkImage< ItkDoubleImgType >(img, itkImg); if (m_Controls->m_TemplateComboBox->GetSelectedNode().IsNull()) // use geometry of frequency map { parameters.m_SignalGen.m_ImageRegion = itkImg->GetLargestPossibleRegion(); parameters.m_SignalGen.m_ImageSpacing = itkImg->GetSpacing(); parameters.m_SignalGen.m_ImageOrigin = itkImg->GetOrigin(); parameters.m_SignalGen.m_ImageDirection = itkImg->GetDirection(); } if (parameters.m_SignalGen.m_ImageRegion.GetSize(0)==itkImg->GetLargestPossibleRegion().GetSize(0) && parameters.m_SignalGen.m_ImageRegion.GetSize(1)==itkImg->GetLargestPossibleRegion().GetSize(1) && parameters.m_SignalGen.m_ImageRegion.GetSize(2)==itkImg->GetLargestPossibleRegion().GetSize(2)) { parameters.m_SignalGen.m_SimulateKspaceAcquisition = true; itk::ImageDuplicator::Pointer duplicator = itk::ImageDuplicator::New(); duplicator->SetInputImage(itkImg); duplicator->Update(); parameters.m_SignalGen.m_FrequencyMap = duplicator->GetOutput(); parameters.m_Misc.m_ArtifactModelString += "_DISTORTED"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Distortions", BoolProperty::New(true)); } } parameters.m_SignalGen.m_EddyStrength = 0; parameters.m_Misc.m_CheckAddEddyCurrentsBox = m_Controls->m_AddEddy->isChecked(); if (m_Controls->m_AddEddy->isChecked()) { parameters.m_SignalGen.m_EddyStrength = m_Controls->m_EddyGradientStrength->value(); parameters.m_Misc.m_ArtifactModelString += "_EDDY"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Eddy-strength", DoubleProperty::New(parameters.m_SignalGen.m_EddyStrength)); } // Motion parameters.m_SignalGen.m_DoAddMotion = m_Controls->m_AddMotion->isChecked(); parameters.m_SignalGen.m_DoRandomizeMotion = m_Controls->m_RandomMotion->isChecked(); parameters.m_SignalGen.m_Translation[0] = m_Controls->m_MaxTranslationBoxX->value(); parameters.m_SignalGen.m_Translation[1] = m_Controls->m_MaxTranslationBoxY->value(); parameters.m_SignalGen.m_Translation[2] = m_Controls->m_MaxTranslationBoxZ->value(); parameters.m_SignalGen.m_Rotation[0] = m_Controls->m_MaxRotationBoxX->value(); parameters.m_SignalGen.m_Rotation[1] = m_Controls->m_MaxRotationBoxY->value(); parameters.m_SignalGen.m_Rotation[2] = m_Controls->m_MaxRotationBoxZ->value(); if ( m_Controls->m_AddMotion->isChecked() && m_Controls->m_FiberBundleComboBox->GetSelectedNode().IsNotNull() ) { parameters.m_Misc.m_ArtifactModelString += "_MOTION"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Motion.Random", BoolProperty::New(parameters.m_SignalGen.m_DoRandomizeMotion)); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Motion.Translation-x", DoubleProperty::New(parameters.m_SignalGen.m_Translation[0])); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Motion.Translation-y", DoubleProperty::New(parameters.m_SignalGen.m_Translation[1])); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Motion.Translation-z", DoubleProperty::New(parameters.m_SignalGen.m_Translation[2])); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Motion.Rotation-x", DoubleProperty::New(parameters.m_SignalGen.m_Rotation[0])); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Motion.Rotation-y", DoubleProperty::New(parameters.m_SignalGen.m_Rotation[1])); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Motion.Rotation-z", DoubleProperty::New(parameters.m_SignalGen.m_Rotation[2])); } // other imaging parameters parameters.m_SignalGen.m_CoilSensitivityProfile = (SignalGenerationParameters::CoilSensitivityProfile)m_Controls->m_CoilSensBox->currentIndex(); parameters.m_SignalGen.m_NumberOfCoils = m_Controls->m_NumCoilsBox->value(); parameters.m_SignalGen.m_PartialFourier = m_Controls->m_PartialFourier->value(); parameters.m_SignalGen.m_ReversePhase = m_Controls->m_ReversePhaseBox->isChecked(); parameters.m_SignalGen.m_tLine = m_Controls->m_LineReadoutTimeBox->value(); parameters.m_SignalGen.m_tInhom = m_Controls->m_T2starBox->value(); parameters.m_SignalGen.m_tEcho = m_Controls->m_TEbox->value(); parameters.m_SignalGen.m_tRep = m_Controls->m_TRbox->value(); parameters.m_SignalGen.m_DoDisablePartialVolume = m_Controls->m_EnforcePureFiberVoxelsBox->isChecked(); parameters.m_SignalGen.m_AxonRadius = m_Controls->m_FiberRadius->value(); parameters.m_SignalGen.m_SignalScale = m_Controls->m_SignalScaleBox->value(); double voxelVolume = parameters.m_SignalGen.m_ImageSpacing[0]*parameters.m_SignalGen.m_ImageSpacing[1]*parameters.m_SignalGen.m_ImageSpacing[2]; if ( parameters.m_SignalGen.m_SignalScale*voxelVolume > itk::NumericTraits::max()*0.75 ) { parameters.m_SignalGen.m_SignalScale = itk::NumericTraits::max()*0.75/voxelVolume; m_Controls->m_SignalScaleBox->setValue(parameters.m_SignalGen.m_SignalScale); QMessageBox::information( NULL, "Warning", "Maximum signal exceeding data type limits. Automatically adjusted to "+QString::number(parameters.m_SignalGen.m_SignalScale)+" to obtain a maximum signal of 75% of the data type maximum. Relaxation and other effects that affect the signal intensities are not accounted for."); } // adjust echo time if needed int numLines = parameters.m_SignalGen.m_ImageRegion.GetSize(1)+parameters.m_SignalGen.m_ImageRegion.GetSize(1)%2; if ( parameters.m_SignalGen.m_tEcho < numLines*parameters.m_SignalGen.m_tLine ) { this->m_Controls->m_TEbox->setValue( numLines*parameters.m_SignalGen.m_tLine ); parameters.m_SignalGen.m_tEcho = m_Controls->m_TEbox->value(); QMessageBox::information( NULL, "Warning", "Echo time is too short! Time not sufficient to read slice. Automatically adjusted to "+QString::number(parameters.m_SignalGen.m_tEcho)+" ms"); } // Noise parameters.m_Misc.m_CheckAddNoiseBox = m_Controls->m_AddNoise->isChecked(); parameters.m_SignalGen.m_NoiseVariance = 0; if (m_Controls->m_AddNoise->isChecked()) { double noiseVariance = m_Controls->m_NoiseLevel->value(); switch (m_Controls->m_NoiseDistributionBox->currentIndex()) { case 0: { if (noiseVariance>0) { parameters.m_SignalGen.m_SimulateKspaceAcquisition = true; parameters.m_Misc.m_ArtifactModelString += "_COMPLEX-GAUSSIAN-"; parameters.m_SignalGen.m_NoiseVariance = m_Controls->m_NoiseLevel->value(); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Noise-Distribution", StringProperty::New("Complex Gaussian")); } break; } case 1: { if (noiseVariance>0) { parameters.m_NoiseModel = new mitk::RicianNoiseModel(); parameters.m_Misc.m_ArtifactModelString += "_RICIAN-"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Noise-Distribution", StringProperty::New("Rician")); parameters.m_NoiseModel->SetNoiseVariance(noiseVariance); } break; } case 2: { if (noiseVariance>0) { parameters.m_NoiseModel = new mitk::ChiSquareNoiseModel(); parameters.m_Misc.m_ArtifactModelString += "_CHISQUARED-"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Noise-Distribution", StringProperty::New("Chi-squared")); parameters.m_NoiseModel->SetNoiseVariance(noiseVariance); } break; } default: { if (noiseVariance>0) { parameters.m_SignalGen.m_SimulateKspaceAcquisition = true; parameters.m_Misc.m_ArtifactModelString += "_COMPLEX-GAUSSIAN-"; parameters.m_SignalGen.m_NoiseVariance = m_Controls->m_NoiseLevel->value(); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Noise-Distribution", StringProperty::New("Complex Gaussian")); } break; } } if (noiseVariance>0) { parameters.m_Misc.m_ArtifactModelString += QString::number(noiseVariance).toStdString(); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Noise-Variance", DoubleProperty::New(noiseVariance)); } } // adjusting line readout time to the adapted image size needed for the DFT // unsigned int y = parameters.m_SignalGen.m_ImageRegion.GetSize(1); // y += y%2; // if ( y>parameters.m_SignalGen.m_ImageRegion.GetSize(1) ) // parameters.m_SignalGen.m_tLine *= (double)parameters.m_SignalGen.m_ImageRegion.GetSize(1)/y; // signal models { // compartment 1 switch (m_Controls->m_Compartment1Box->currentIndex()) { case 0: { mitk::StickModel* model = new mitk::StickModel(); model->SetGradientList(parameters.m_SignalGen.GetGradientDirections()); model->SetBvalue(parameters.m_SignalGen.m_Bvalue); model->SetDiffusivity(m_Controls->m_StickWidget1->GetD()); model->SetT2(m_Controls->m_StickWidget1->GetT2()); model->SetT1(m_Controls->m_StickWidget1->GetT1()); model->m_CompartmentId = 1; parameters.m_FiberModelList.push_back(model); parameters.m_Misc.m_SignalModelString += "Stick"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.Description", StringProperty::New("Intra-axonal compartment") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.Model", StringProperty::New("Stick") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.D", DoubleProperty::New(m_Controls->m_StickWidget1->GetD()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.T2", DoubleProperty::New(model->GetT2()) ); break; } case 1: { mitk::TensorModel* model = new mitk::TensorModel(); model->SetGradientList(parameters.m_SignalGen.GetGradientDirections()); model->SetBvalue(parameters.m_SignalGen.m_Bvalue); model->SetDiffusivity1(m_Controls->m_ZeppelinWidget1->GetD1()); model->SetDiffusivity2(m_Controls->m_ZeppelinWidget1->GetD2()); model->SetDiffusivity3(m_Controls->m_ZeppelinWidget1->GetD2()); model->SetT2(m_Controls->m_ZeppelinWidget1->GetT2()); model->SetT1(m_Controls->m_ZeppelinWidget1->GetT1()); model->m_CompartmentId = 1; parameters.m_FiberModelList.push_back(model); parameters.m_Misc.m_SignalModelString += "Zeppelin"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.Description", StringProperty::New("Intra-axonal compartment") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.Model", StringProperty::New("Zeppelin") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.D1", DoubleProperty::New(m_Controls->m_ZeppelinWidget1->GetD1()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.D2", DoubleProperty::New(m_Controls->m_ZeppelinWidget1->GetD2()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.T2", DoubleProperty::New(model->GetT2()) ); break; } case 2: { mitk::TensorModel* model = new mitk::TensorModel(); model->SetGradientList(parameters.m_SignalGen.GetGradientDirections()); model->SetBvalue(parameters.m_SignalGen.m_Bvalue); model->SetDiffusivity1(m_Controls->m_TensorWidget1->GetD1()); model->SetDiffusivity2(m_Controls->m_TensorWidget1->GetD2()); model->SetDiffusivity3(m_Controls->m_TensorWidget1->GetD3()); model->SetT2(m_Controls->m_TensorWidget1->GetT2()); model->SetT1(m_Controls->m_TensorWidget1->GetT1()); model->m_CompartmentId = 1; parameters.m_FiberModelList.push_back(model); parameters.m_Misc.m_SignalModelString += "Tensor"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.Description", StringProperty::New("Intra-axonal compartment") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.Model", StringProperty::New("Tensor") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.D1", DoubleProperty::New(m_Controls->m_TensorWidget1->GetD1()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.D2", DoubleProperty::New(m_Controls->m_TensorWidget1->GetD2()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.D3", DoubleProperty::New(m_Controls->m_TensorWidget1->GetD3()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.T2", DoubleProperty::New(model->GetT2()) ); break; } case 3: { mitk::RawShModel* model = new mitk::RawShModel(); parameters.m_SignalGen.m_DoSimulateRelaxation = false; model->SetGradientList(parameters.m_SignalGen.GetGradientDirections()); model->SetMaxNumKernels(m_Controls->m_PrototypeWidget1->GetNumberOfSamples()); model->SetFaRange(m_Controls->m_PrototypeWidget1->GetMinFa(), m_Controls->m_PrototypeWidget1->GetMaxFa()); model->SetAdcRange(m_Controls->m_PrototypeWidget1->GetMinAdc(), m_Controls->m_PrototypeWidget1->GetMaxAdc()); model->m_CompartmentId = 1; parameters.m_FiberModelList.push_back(model); parameters.m_Misc.m_SignalModelString += "Prototype"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.Description", StringProperty::New("Intra-axonal compartment") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment1.Model", StringProperty::New("Prototype") ); break; } } if (m_Controls->m_Comp1VolumeFraction->GetSelectedNode().IsNotNull()) { mitk::DataNode::Pointer volumeNode = m_Controls->m_Comp1VolumeFraction->GetSelectedNode(); ItkDoubleImgType::Pointer comp1VolumeImage = ItkDoubleImgType::New(); mitk::Image* img = dynamic_cast(volumeNode->GetData()); CastToItkImage< ItkDoubleImgType >(img, comp1VolumeImage); parameters.m_FiberModelList.back()->SetVolumeFractionImage(comp1VolumeImage); } // compartment 2 switch (m_Controls->m_Compartment2Box->currentIndex()) { case 0: break; case 1: { mitk::StickModel* model = new mitk::StickModel(); model->SetGradientList(parameters.m_SignalGen.GetGradientDirections()); model->SetBvalue(parameters.m_SignalGen.m_Bvalue); model->SetDiffusivity(m_Controls->m_StickWidget2->GetD()); model->SetT2(m_Controls->m_StickWidget2->GetT2()); model->SetT1(m_Controls->m_StickWidget2->GetT1()); model->m_CompartmentId = 2; parameters.m_FiberModelList.push_back(model); parameters.m_Misc.m_SignalModelString += "Stick"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment2.Description", StringProperty::New("Inter-axonal compartment") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment2.Model", StringProperty::New("Stick") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment2.D", DoubleProperty::New(m_Controls->m_StickWidget2->GetD()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment2.T2", DoubleProperty::New(model->GetT2()) ); break; } case 2: { mitk::TensorModel* model = new mitk::TensorModel(); model->SetGradientList(parameters.m_SignalGen.GetGradientDirections()); model->SetBvalue(parameters.m_SignalGen.m_Bvalue); model->SetDiffusivity1(m_Controls->m_ZeppelinWidget2->GetD1()); model->SetDiffusivity2(m_Controls->m_ZeppelinWidget2->GetD2()); model->SetDiffusivity3(m_Controls->m_ZeppelinWidget2->GetD2()); model->SetT2(m_Controls->m_ZeppelinWidget2->GetT2()); model->SetT1(m_Controls->m_ZeppelinWidget2->GetT1()); model->m_CompartmentId = 2; parameters.m_FiberModelList.push_back(model); parameters.m_Misc.m_SignalModelString += "Zeppelin"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment2.Description", StringProperty::New("Inter-axonal compartment") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment2.Model", StringProperty::New("Zeppelin") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment2.D1", DoubleProperty::New(m_Controls->m_ZeppelinWidget2->GetD1()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment2.D2", DoubleProperty::New(m_Controls->m_ZeppelinWidget2->GetD2()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment2.T2", DoubleProperty::New(model->GetT2()) ); break; } case 3: { mitk::TensorModel* model = new mitk::TensorModel(); model->SetGradientList(parameters.m_SignalGen.GetGradientDirections()); model->SetBvalue(parameters.m_SignalGen.m_Bvalue); model->SetDiffusivity1(m_Controls->m_TensorWidget2->GetD1()); model->SetDiffusivity2(m_Controls->m_TensorWidget2->GetD2()); model->SetDiffusivity3(m_Controls->m_TensorWidget2->GetD3()); model->SetT2(m_Controls->m_TensorWidget2->GetT2()); model->SetT1(m_Controls->m_TensorWidget2->GetT1()); model->m_CompartmentId = 2; parameters.m_FiberModelList.push_back(model); parameters.m_Misc.m_SignalModelString += "Tensor"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment2.Description", StringProperty::New("Inter-axonal compartment") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment2.Model", StringProperty::New("Tensor") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment2.D1", DoubleProperty::New(m_Controls->m_TensorWidget2->GetD1()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment2.D2", DoubleProperty::New(m_Controls->m_TensorWidget2->GetD2()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment2.D3", DoubleProperty::New(m_Controls->m_TensorWidget2->GetD3()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment2.T2", DoubleProperty::New(model->GetT2()) ); break; } } if (m_Controls->m_Comp2VolumeFraction->GetSelectedNode().IsNotNull() && parameters.m_FiberModelList.size()==2) { mitk::DataNode::Pointer volumeNode = m_Controls->m_Comp2VolumeFraction->GetSelectedNode(); ItkDoubleImgType::Pointer comp1VolumeImage = ItkDoubleImgType::New(); mitk::Image* img = dynamic_cast(volumeNode->GetData()); CastToItkImage< ItkDoubleImgType >(img, comp1VolumeImage); parameters.m_FiberModelList.back()->SetVolumeFractionImage(comp1VolumeImage); } // compartment 3 switch (m_Controls->m_Compartment3Box->currentIndex()) { case 0: { mitk::BallModel* model = new mitk::BallModel(); model->SetGradientList(parameters.m_SignalGen.GetGradientDirections()); model->SetBvalue(parameters.m_SignalGen.m_Bvalue); model->SetDiffusivity(m_Controls->m_BallWidget1->GetD()); model->SetT2(m_Controls->m_BallWidget1->GetT2()); model->SetT1(m_Controls->m_BallWidget1->GetT1()); model->m_CompartmentId = 3; parameters.m_NonFiberModelList.push_back(model); parameters.m_Misc.m_SignalModelString += "Ball"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment3.Description", StringProperty::New("Extra-axonal compartment 1") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment3.Model", StringProperty::New("Ball") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment3.D", DoubleProperty::New(m_Controls->m_BallWidget1->GetD()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment3.T2", DoubleProperty::New(model->GetT2()) ); break; } case 1: { mitk::AstroStickModel* model = new mitk::AstroStickModel(); model->SetGradientList(parameters.m_SignalGen.GetGradientDirections()); model->SetBvalue(parameters.m_SignalGen.m_Bvalue); model->SetDiffusivity(m_Controls->m_AstrosticksWidget1->GetD()); model->SetT2(m_Controls->m_AstrosticksWidget1->GetT2()); model->SetT1(m_Controls->m_AstrosticksWidget1->GetT1()); model->SetRandomizeSticks(m_Controls->m_AstrosticksWidget1->GetRandomizeSticks()); model->m_CompartmentId = 3; parameters.m_NonFiberModelList.push_back(model); parameters.m_Misc.m_SignalModelString += "Astrosticks"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment3.Description", StringProperty::New("Extra-axonal compartment 1") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment3.Model", StringProperty::New("Astrosticks") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment3.D", DoubleProperty::New(m_Controls->m_AstrosticksWidget1->GetD()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment3.T2", DoubleProperty::New(model->GetT2()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment3.RandomSticks", BoolProperty::New(m_Controls->m_AstrosticksWidget1->GetRandomizeSticks()) ); break; } case 2: { mitk::DotModel* model = new mitk::DotModel(); model->SetGradientList(parameters.m_SignalGen.GetGradientDirections()); model->SetT2(m_Controls->m_DotWidget1->GetT2()); model->SetT1(m_Controls->m_DotWidget1->GetT1()); model->m_CompartmentId = 3; parameters.m_NonFiberModelList.push_back(model); parameters.m_Misc.m_SignalModelString += "Dot"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment3.Description", StringProperty::New("Extra-axonal compartment 1") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment3.Model", StringProperty::New("Dot") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment3.T2", DoubleProperty::New(model->GetT2()) ); break; } case 3: { mitk::RawShModel* model = new mitk::RawShModel(); parameters.m_SignalGen.m_DoSimulateRelaxation = false; model->SetGradientList(parameters.m_SignalGen.GetGradientDirections()); model->SetMaxNumKernels(m_Controls->m_PrototypeWidget3->GetNumberOfSamples()); model->SetFaRange(m_Controls->m_PrototypeWidget3->GetMinFa(), m_Controls->m_PrototypeWidget3->GetMaxFa()); model->SetAdcRange(m_Controls->m_PrototypeWidget3->GetMinAdc(), m_Controls->m_PrototypeWidget3->GetMaxAdc()); model->m_CompartmentId = 3; parameters.m_NonFiberModelList.push_back(model); parameters.m_Misc.m_SignalModelString += "Prototype"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment3.Description", StringProperty::New("Extra-axonal compartment 1") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment3.Model", StringProperty::New("Prototype") ); break; } } if (m_Controls->m_Comp3VolumeFraction->GetSelectedNode().IsNotNull()) { mitk::DataNode::Pointer volumeNode = m_Controls->m_Comp3VolumeFraction->GetSelectedNode(); ItkDoubleImgType::Pointer comp1VolumeImage = ItkDoubleImgType::New(); mitk::Image* img = dynamic_cast(volumeNode->GetData()); CastToItkImage< ItkDoubleImgType >(img, comp1VolumeImage); parameters.m_NonFiberModelList.back()->SetVolumeFractionImage(comp1VolumeImage); } switch (m_Controls->m_Compartment4Box->currentIndex()) { case 0: break; case 1: { mitk::BallModel* model = new mitk::BallModel(); model->SetGradientList(parameters.m_SignalGen.GetGradientDirections()); model->SetBvalue(parameters.m_SignalGen.m_Bvalue); model->SetDiffusivity(m_Controls->m_BallWidget2->GetD()); model->SetT2(m_Controls->m_BallWidget2->GetT2()); model->SetT1(m_Controls->m_BallWidget2->GetT1()); model->m_CompartmentId = 4; parameters.m_NonFiberModelList.push_back(model); parameters.m_Misc.m_SignalModelString += "Ball"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment4.Description", StringProperty::New("Extra-axonal compartment 2") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment4.Model", StringProperty::New("Ball") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment4.D", DoubleProperty::New(m_Controls->m_BallWidget2->GetD()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment4.T2", DoubleProperty::New(model->GetT2()) ); break; } case 2: { mitk::AstroStickModel* model = new mitk::AstroStickModel(); model->SetGradientList(parameters.m_SignalGen.GetGradientDirections()); model->SetBvalue(parameters.m_SignalGen.m_Bvalue); model->SetDiffusivity(m_Controls->m_AstrosticksWidget2->GetD()); model->SetT2(m_Controls->m_AstrosticksWidget2->GetT2()); model->SetT1(m_Controls->m_AstrosticksWidget2->GetT1()); model->SetRandomizeSticks(m_Controls->m_AstrosticksWidget2->GetRandomizeSticks()); model->m_CompartmentId = 4; parameters.m_NonFiberModelList.push_back(model); parameters.m_Misc.m_SignalModelString += "Astrosticks"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment4.Description", StringProperty::New("Extra-axonal compartment 2") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment4.Model", StringProperty::New("Astrosticks") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment4.D", DoubleProperty::New(m_Controls->m_AstrosticksWidget2->GetD()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment4.T2", DoubleProperty::New(model->GetT2()) ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment4.RandomSticks", BoolProperty::New(m_Controls->m_AstrosticksWidget2->GetRandomizeSticks()) ); break; } case 3: { mitk::DotModel* model = new mitk::DotModel(); model->SetGradientList(parameters.m_SignalGen.GetGradientDirections()); model->SetT2(m_Controls->m_DotWidget2->GetT2()); model->SetT1(m_Controls->m_DotWidget2->GetT1()); model->m_CompartmentId = 4; parameters.m_NonFiberModelList.push_back(model); parameters.m_Misc.m_SignalModelString += "Dot"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment4.Description", StringProperty::New("Extra-axonal compartment 2") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment4.Model", StringProperty::New("Dot") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment4.T2", DoubleProperty::New(model->GetT2()) ); break; } case 4: { mitk::RawShModel* model = new mitk::RawShModel(); parameters.m_SignalGen.m_DoSimulateRelaxation = false; model->SetGradientList(parameters.m_SignalGen.GetGradientDirections()); model->SetMaxNumKernels(m_Controls->m_PrototypeWidget4->GetNumberOfSamples()); model->SetFaRange(m_Controls->m_PrototypeWidget4->GetMinFa(), m_Controls->m_PrototypeWidget4->GetMaxFa()); model->SetAdcRange(m_Controls->m_PrototypeWidget4->GetMinAdc(), m_Controls->m_PrototypeWidget4->GetMaxAdc()); model->m_CompartmentId = 4; parameters.m_NonFiberModelList.push_back(model); parameters.m_Misc.m_SignalModelString += "Prototype"; parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment4.Description", StringProperty::New("Extra-axonal compartment 2") ); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Compartment4.Model", StringProperty::New("Prototype") ); break; } } if (m_Controls->m_Comp4VolumeFraction->GetSelectedNode().IsNotNull() && parameters.m_NonFiberModelList.size()==2) { mitk::DataNode::Pointer volumeNode = m_Controls->m_Comp4VolumeFraction->GetSelectedNode(); ItkDoubleImgType::Pointer compVolumeImage = ItkDoubleImgType::New(); mitk::Image* img = dynamic_cast(volumeNode->GetData()); CastToItkImage< ItkDoubleImgType >(img, compVolumeImage); parameters.m_NonFiberModelList.back()->SetVolumeFractionImage(compVolumeImage); } } // // check if comp 3 or 4 volume fraction image is set // if (parameters.m_NonFiberModelList.size()==2 && (parameters.m_NonFiberModelList[0]->GetVolumeFractionImage()==nullptr || parameters.m_NonFiberModelList[1]->GetVolumeFractionImage()==nullptr)) // { // m_Controls->m_Compartment4Box->setCurrentIndex(0); // parameters.m_NonFiberModelList.pop_back(); // QMessageBox::information(NULL, "Compartment 4 disabled", "More than one non-fiber compartment selected but no volume fraction maps set!"); // } // RELIKT // parameters.m_SignalGen.m_FiberSeparationThreshold = m_Controls->m_SeparationAngleBox->value(); // switch (m_Controls->m_DiffusionDirectionBox->currentIndex()) // { // case 0: // parameters.m_SignalGen.m_DiffusionDirectionMode = SignalGenerationParameters::FIBER_TANGENT_DIRECTIONS; // break; // case 1: // parameters.m_SignalGen.m_DiffusionDirectionMode = SignalGenerationParameters::MAIN_FIBER_DIRECTIONS; // break; // case 2: // parameters.m_SignalGen.m_DiffusionDirectionMode = SignalGenerationParameters::RANDOM_DIRECTIONS; // parameters.m_SignalGen.m_DoAddMotion = false; // parameters.m_SignalGen.m_DoAddGibbsRinging = false; // parameters.m_SignalGen.m_KspaceLineOffset = 0.0; // parameters.m_SignalGen.m_FrequencyMap = NULL; // parameters.m_SignalGen.m_CroppingFactor = 1.0; // parameters.m_SignalGen.m_EddyStrength = 0; // break; // default: // parameters.m_SignalGen.m_DiffusionDirectionMode = SignalGenerationParameters::FIBER_TANGENT_DIRECTIONS; // } parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.SignalScale", IntProperty::New(parameters.m_SignalGen.m_SignalScale)); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.FiberRadius", IntProperty::New(parameters.m_SignalGen.m_AxonRadius)); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Tinhom", DoubleProperty::New(parameters.m_SignalGen.m_tInhom)); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Tline", DoubleProperty::New(parameters.m_SignalGen.m_tLine)); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.TE", DoubleProperty::New(parameters.m_SignalGen.m_tEcho)); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.b-value", DoubleProperty::New(parameters.m_SignalGen.m_Bvalue)); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.NoPartialVolume", BoolProperty::New(parameters.m_SignalGen.m_DoDisablePartialVolume)); parameters.m_Misc.m_ResultNode->AddProperty("Fiberfox.Relaxation", BoolProperty::New(parameters.m_SignalGen.m_DoSimulateRelaxation)); parameters.m_Misc.m_ResultNode->AddProperty("binary", BoolProperty::New(false)); parameters.m_Misc.m_CheckRealTimeFibersBox = m_Controls->m_RealTimeFibers->isChecked(); parameters.m_Misc.m_CheckAdvancedFiberOptionsBox = m_Controls->m_AdvancedOptionsBox->isChecked(); parameters.m_Misc.m_CheckIncludeFiducialsBox = m_Controls->m_IncludeFiducials->isChecked(); parameters.m_Misc.m_CheckConstantRadiusBox = m_Controls->m_ConstantRadiusBox->isChecked(); return parameters; } void QmitkFiberfoxView::SaveParameters() { FiberfoxParameters<> ffParamaters = UpdateImageParameters(); QString filename = QFileDialog::getSaveFileName( 0, tr("Save Parameters"), m_ParameterFile, tr("Fiberfox Parameters (*.ffp)") ); bool ok = true; bool first = true; bool dosampling = false; mitk::Image::Pointer diffImg = NULL; itk::Image< itk::DiffusionTensor3D< double >, 3 >::Pointer tensorImage = NULL; const int shOrder = 2; typedef itk::AnalyticalDiffusionQballReconstructionImageFilter QballFilterType; QballFilterType::CoefficientImageType::Pointer itkFeatureImage = NULL; ItkDoubleImgType::Pointer adcImage = NULL; for (unsigned int i=0; i* model = NULL; if (i* >(ffParamaters.m_FiberModelList.at(i)); else model = dynamic_cast< mitk::RawShModel<>* >(ffParamaters.m_NonFiberModelList.at(i-ffParamaters.m_FiberModelList.size())); if (model!=0 && model->GetNumberOfKernels()<=0) { if (first==true) { if (QMessageBox::question(NULL, "Prototype signal sampling", "Do you want to sample prototype signals from the selected diffusion-weighted imag and save them?",QMessageBox::Yes,QMessageBox::No)==QMessageBox::Yes) dosampling = true; first = false; if (dosampling && (m_Controls->m_TemplateComboBox->GetSelectedNode().IsNull() || !mitk::DiffusionPropertyHelper::IsDiffusionWeightedImage( dynamic_cast(m_Controls->m_TemplateComboBox->GetSelectedNode()->GetData())))) { QMessageBox::information(NULL, "Parameter file not saved", "No diffusion-weighted image selected to sample signal from."); return; } else if (dosampling) { diffImg = dynamic_cast(m_Controls->m_TemplateComboBox->GetSelectedNode()->GetData()); typedef itk::DiffusionTensor3DReconstructionImageFilter< short, short, double > TensorReconstructionImageFilterType; TensorReconstructionImageFilterType::Pointer filter = TensorReconstructionImageFilterType::New(); ItkDwiType::Pointer itkVectorImagePointer = ItkDwiType::New(); mitk::CastToItkImage(diffImg, itkVectorImagePointer); filter->SetGradientImage( static_cast( diffImg->GetProperty(mitk::DiffusionPropertyHelper::GRADIENTCONTAINERPROPERTYNAME.c_str()).GetPointer() )->GetGradientDirectionsContainer(), itkVectorImagePointer ); filter->SetBValue( static_cast(diffImg->GetProperty(mitk::DiffusionPropertyHelper::REFERENCEBVALUEPROPERTYNAME.c_str()).GetPointer() )->GetValue() ); filter->Update(); tensorImage = filter->GetOutput(); const int NumCoeffs = (shOrder*shOrder + shOrder + 2)/2 + shOrder; QballFilterType::Pointer qballfilter = QballFilterType::New(); qballfilter->SetGradientImage( static_cast( diffImg->GetProperty(mitk::DiffusionPropertyHelper::GRADIENTCONTAINERPROPERTYNAME.c_str()).GetPointer() )->GetGradientDirectionsContainer(), itkVectorImagePointer ); qballfilter->SetBValue( static_cast(diffImg->GetProperty(mitk::DiffusionPropertyHelper::REFERENCEBVALUEPROPERTYNAME.c_str()).GetPointer() )->GetValue() ); qballfilter->SetLambda(0.006); qballfilter->SetNormalizationMethod(QballFilterType::QBAR_RAW_SIGNAL); qballfilter->Update(); itkFeatureImage = qballfilter->GetCoefficientImage(); itk::AdcImageFilter< short, double >::Pointer adcFilter = itk::AdcImageFilter< short, double >::New(); adcFilter->SetInput( itkVectorImagePointer ); adcFilter->SetGradientDirections( static_cast( diffImg->GetProperty(mitk::DiffusionPropertyHelper::GRADIENTCONTAINERPROPERTYNAME.c_str()).GetPointer() )->GetGradientDirectionsContainer() ); adcFilter->SetB_value( static_cast(diffImg->GetProperty(mitk::DiffusionPropertyHelper::REFERENCEBVALUEPROPERTYNAME.c_str()).GetPointer() )->GetValue() ); adcFilter->Update(); adcImage = adcFilter->GetOutput(); } } if (dosampling && diffImg.IsNotNull()) { ok = model->SampleKernels(diffImg, ffParamaters.m_SignalGen.m_MaskImage, tensorImage, itkFeatureImage, adcImage); if (!ok) { QMessageBox::information( NULL, "Parameter file not saved", "No valid prototype signals could be sampled."); return; } } } } ffParamaters.SaveParameters(filename.toStdString()); m_ParameterFile = filename; } void QmitkFiberfoxView::LoadParameters() { QString filename = QFileDialog::getOpenFileName(0, tr("Load Parameters"), QString(itksys::SystemTools::GetFilenamePath(m_ParameterFile.toStdString()).c_str()), tr("Fiberfox Parameters (*.ffp)") ); if(filename.isEmpty() || filename.isNull()) return; m_ParameterFile = filename; FiberfoxParameters<> parameters = UpdateImageParameters(); parameters.LoadParameters(filename.toStdString()); if (parameters.m_MissingTags.size()>0) { QString missing("Parameter file might be corrupted. The following parameters could not be read: "); missing += QString(parameters.m_MissingTags.c_str()); missing += "\nDefault values have been assigned to the missing parameters."; QMessageBox::information( NULL, "Warning!", missing); } m_Controls->m_RealTimeFibers->setChecked(parameters.m_Misc.m_CheckRealTimeFibersBox); m_Controls->m_AdvancedOptionsBox->setChecked(parameters.m_Misc.m_CheckAdvancedFiberOptionsBox); m_Controls->m_IncludeFiducials->setChecked(parameters.m_Misc.m_CheckIncludeFiducialsBox); m_Controls->m_ConstantRadiusBox->setChecked(parameters.m_Misc.m_CheckConstantRadiusBox); m_Controls->m_DistributionBox->setCurrentIndex(parameters.m_FiberGen.m_Distribution); m_Controls->m_VarianceBox->setValue(parameters.m_FiberGen.m_Variance); m_Controls->m_FiberDensityBox->setValue(parameters.m_FiberGen.m_Density); m_Controls->m_FiberSamplingBox->setValue(parameters.m_FiberGen.m_Sampling); m_Controls->m_TensionBox->setValue(parameters.m_FiberGen.m_Tension); m_Controls->m_ContinuityBox->setValue(parameters.m_FiberGen.m_Continuity); m_Controls->m_BiasBox->setValue(parameters.m_FiberGen.m_Bias); m_Controls->m_XrotBox->setValue(parameters.m_FiberGen.m_Rotation[0]); m_Controls->m_YrotBox->setValue(parameters.m_FiberGen.m_Rotation[1]); m_Controls->m_ZrotBox->setValue(parameters.m_FiberGen.m_Rotation[2]); m_Controls->m_XtransBox->setValue(parameters.m_FiberGen.m_Translation[0]); m_Controls->m_YtransBox->setValue(parameters.m_FiberGen.m_Translation[1]); m_Controls->m_ZtransBox->setValue(parameters.m_FiberGen.m_Translation[2]); m_Controls->m_XscaleBox->setValue(parameters.m_FiberGen.m_Scale[0]); m_Controls->m_YscaleBox->setValue(parameters.m_FiberGen.m_Scale[1]); m_Controls->m_ZscaleBox->setValue(parameters.m_FiberGen.m_Scale[2]); // image generation parameters m_Controls->m_SizeX->setValue(parameters.m_SignalGen.m_ImageRegion.GetSize(0)); m_Controls->m_SizeY->setValue(parameters.m_SignalGen.m_ImageRegion.GetSize(1)); m_Controls->m_SizeZ->setValue(parameters.m_SignalGen.m_ImageRegion.GetSize(2)); m_Controls->m_SpacingX->setValue(parameters.m_SignalGen.m_ImageSpacing[0]); m_Controls->m_SpacingY->setValue(parameters.m_SignalGen.m_ImageSpacing[1]); m_Controls->m_SpacingZ->setValue(parameters.m_SignalGen.m_ImageSpacing[2]); m_Controls->m_NumGradientsBox->setValue(parameters.m_SignalGen.GetNumWeightedVolumes()); m_Controls->m_BvalueBox->setValue(parameters.m_SignalGen.m_Bvalue); m_Controls->m_SignalScaleBox->setValue(parameters.m_SignalGen.m_SignalScale); m_Controls->m_TEbox->setValue(parameters.m_SignalGen.m_tEcho); m_Controls->m_LineReadoutTimeBox->setValue(parameters.m_SignalGen.m_tLine); m_Controls->m_T2starBox->setValue(parameters.m_SignalGen.m_tInhom); m_Controls->m_FiberRadius->setValue(parameters.m_SignalGen.m_AxonRadius); m_Controls->m_RelaxationBox->setChecked(parameters.m_SignalGen.m_DoSimulateRelaxation); m_Controls->m_EnforcePureFiberVoxelsBox->setChecked(parameters.m_SignalGen.m_DoDisablePartialVolume); m_Controls->m_ReversePhaseBox->setChecked(parameters.m_SignalGen.m_ReversePhase); m_Controls->m_PartialFourier->setValue(parameters.m_SignalGen.m_PartialFourier); m_Controls->m_TRbox->setValue(parameters.m_SignalGen.m_tRep); m_Controls->m_NumCoilsBox->setValue(parameters.m_SignalGen.m_NumberOfCoils); m_Controls->m_CoilSensBox->setCurrentIndex(parameters.m_SignalGen.m_CoilSensitivityProfile); if (parameters.m_NoiseModel!=NULL) { m_Controls->m_AddNoise->setChecked(parameters.m_Misc.m_CheckAddNoiseBox); if (dynamic_cast*>(parameters.m_NoiseModel)) m_Controls->m_NoiseDistributionBox->setCurrentIndex(0); else if (dynamic_cast*>(parameters.m_NoiseModel)) m_Controls->m_NoiseDistributionBox->setCurrentIndex(1); m_Controls->m_NoiseLevel->setValue(parameters.m_NoiseModel->GetNoiseVariance()); } else { m_Controls->m_AddNoise->setChecked(parameters.m_Misc.m_CheckAddNoiseBox); m_Controls->m_NoiseLevel->setValue(parameters.m_SignalGen.m_NoiseVariance); } m_Controls->m_VolumeFractionsBox->setChecked(parameters.m_Misc.m_CheckOutputVolumeFractionsBox); m_Controls->m_AdvancedOptionsBox_2->setChecked(parameters.m_Misc.m_CheckAdvancedSignalOptionsBox); m_Controls->m_AddGhosts->setChecked(parameters.m_Misc.m_CheckAddGhostsBox); m_Controls->m_AddAliasing->setChecked(parameters.m_Misc.m_CheckAddAliasingBox); m_Controls->m_AddDistortions->setChecked(parameters.m_Misc.m_CheckAddDistortionsBox); m_Controls->m_AddSpikes->setChecked(parameters.m_Misc.m_CheckAddSpikesBox); m_Controls->m_AddEddy->setChecked(parameters.m_Misc.m_CheckAddEddyCurrentsBox); m_Controls->m_kOffsetBox->setValue(parameters.m_SignalGen.m_KspaceLineOffset); m_Controls->m_WrapBox->setValue(100*(1-parameters.m_SignalGen.m_CroppingFactor)); m_Controls->m_SpikeNumBox->setValue(parameters.m_SignalGen.m_Spikes); m_Controls->m_SpikeScaleBox->setValue(parameters.m_SignalGen.m_SpikeAmplitude); m_Controls->m_EddyGradientStrength->setValue(parameters.m_SignalGen.m_EddyStrength); m_Controls->m_AddGibbsRinging->setChecked(parameters.m_SignalGen.m_DoAddGibbsRinging); m_Controls->m_AddMotion->setChecked(parameters.m_SignalGen.m_DoAddMotion); m_Controls->m_RandomMotion->setChecked(parameters.m_SignalGen.m_DoRandomizeMotion); m_Controls->m_MaxTranslationBoxX->setValue(parameters.m_SignalGen.m_Translation[0]); m_Controls->m_MaxTranslationBoxY->setValue(parameters.m_SignalGen.m_Translation[1]); m_Controls->m_MaxTranslationBoxZ->setValue(parameters.m_SignalGen.m_Translation[2]); m_Controls->m_MaxRotationBoxX->setValue(parameters.m_SignalGen.m_Rotation[0]); m_Controls->m_MaxRotationBoxY->setValue(parameters.m_SignalGen.m_Rotation[1]); m_Controls->m_MaxRotationBoxZ->setValue(parameters.m_SignalGen.m_Rotation[2]); m_Controls->m_Compartment1Box->setCurrentIndex(0); m_Controls->m_Compartment2Box->setCurrentIndex(0); m_Controls->m_Compartment3Box->setCurrentIndex(0); m_Controls->m_Compartment4Box->setCurrentIndex(0); for (unsigned int i=0; i* signalModel = NULL; if (iGetVolumeFractionImage().IsNotNull() ) { compVolNode = mitk::DataNode::New(); mitk::Image::Pointer image = mitk::Image::New(); image->InitializeByItk(signalModel->GetVolumeFractionImage().GetPointer()); image->SetVolume(signalModel->GetVolumeFractionImage()->GetBufferPointer()); compVolNode->SetData( image ); compVolNode->SetName("Compartment volume "+QString::number(signalModel->m_CompartmentId).toStdString()); GetDataStorage()->Add(compVolNode); } switch (signalModel->m_CompartmentId) { case 1: { if (compVolNode.IsNotNull()) m_Controls->m_Comp1VolumeFraction->SetSelectedNode(compVolNode); if (dynamic_cast*>(signalModel)) { mitk::StickModel<>* model = dynamic_cast*>(signalModel); m_Controls->m_StickWidget1->SetT2(model->GetT2()); m_Controls->m_StickWidget1->SetT1(model->GetT1()); m_Controls->m_StickWidget1->SetD(model->GetDiffusivity()); m_Controls->m_Compartment1Box->setCurrentIndex(0); break; } else if (dynamic_cast*>(signalModel)) { mitk::TensorModel<>* model = dynamic_cast*>(signalModel); m_Controls->m_TensorWidget1->SetT2(model->GetT2()); m_Controls->m_TensorWidget1->SetT1(model->GetT1()); m_Controls->m_TensorWidget1->SetD1(model->GetDiffusivity1()); m_Controls->m_TensorWidget1->SetD2(model->GetDiffusivity2()); m_Controls->m_TensorWidget1->SetD3(model->GetDiffusivity3()); m_Controls->m_Compartment1Box->setCurrentIndex(2); break; } else if (dynamic_cast*>(signalModel)) { mitk::RawShModel<>* model = dynamic_cast*>(signalModel); m_Controls->m_PrototypeWidget1->SetNumberOfSamples(model->GetMaxNumKernels()); m_Controls->m_PrototypeWidget1->SetMinFa(model->GetFaRange().first); m_Controls->m_PrototypeWidget1->SetMaxFa(model->GetFaRange().second); m_Controls->m_PrototypeWidget1->SetMinAdc(model->GetAdcRange().first); m_Controls->m_PrototypeWidget1->SetMaxAdc(model->GetAdcRange().second); m_Controls->m_Compartment1Box->setCurrentIndex(3); break; } break; } case 2: { if (compVolNode.IsNotNull()) m_Controls->m_Comp2VolumeFraction->SetSelectedNode(compVolNode); if (dynamic_cast*>(signalModel)) { mitk::StickModel<>* model = dynamic_cast*>(signalModel); m_Controls->m_StickWidget2->SetT2(model->GetT2()); m_Controls->m_StickWidget2->SetT1(model->GetT1()); m_Controls->m_StickWidget2->SetD(model->GetDiffusivity()); m_Controls->m_Compartment2Box->setCurrentIndex(1); break; } else if (dynamic_cast*>(signalModel)) { mitk::TensorModel<>* model = dynamic_cast*>(signalModel); m_Controls->m_TensorWidget2->SetT2(model->GetT2()); m_Controls->m_TensorWidget2->SetT1(model->GetT1()); m_Controls->m_TensorWidget2->SetD1(model->GetDiffusivity1()); m_Controls->m_TensorWidget2->SetD2(model->GetDiffusivity2()); m_Controls->m_TensorWidget2->SetD3(model->GetDiffusivity3()); m_Controls->m_Compartment2Box->setCurrentIndex(3); break; } break; } case 3: { if (compVolNode.IsNotNull()) m_Controls->m_Comp3VolumeFraction->SetSelectedNode(compVolNode); if (dynamic_cast*>(signalModel)) { mitk::BallModel<>* model = dynamic_cast*>(signalModel); m_Controls->m_BallWidget1->SetT2(model->GetT2()); m_Controls->m_BallWidget1->SetT1(model->GetT1()); m_Controls->m_BallWidget1->SetD(model->GetDiffusivity()); m_Controls->m_Compartment3Box->setCurrentIndex(0); break; } else if (dynamic_cast*>(signalModel)) { mitk::AstroStickModel<>* model = dynamic_cast*>(signalModel); m_Controls->m_AstrosticksWidget1->SetT2(model->GetT2()); m_Controls->m_AstrosticksWidget1->SetT1(model->GetT1()); m_Controls->m_AstrosticksWidget1->SetD(model->GetDiffusivity()); m_Controls->m_AstrosticksWidget1->SetRandomizeSticks(model->GetRandomizeSticks()); m_Controls->m_Compartment3Box->setCurrentIndex(1); break; } else if (dynamic_cast*>(signalModel)) { mitk::DotModel<>* model = dynamic_cast*>(signalModel); m_Controls->m_DotWidget1->SetT2(model->GetT2()); m_Controls->m_DotWidget1->SetT1(model->GetT1()); m_Controls->m_Compartment3Box->setCurrentIndex(2); break; } else if (dynamic_cast*>(signalModel)) { mitk::RawShModel<>* model = dynamic_cast*>(signalModel); m_Controls->m_PrototypeWidget3->SetNumberOfSamples(model->GetMaxNumKernels()); m_Controls->m_PrototypeWidget3->SetMinFa(model->GetFaRange().first); m_Controls->m_PrototypeWidget3->SetMaxFa(model->GetFaRange().second); m_Controls->m_PrototypeWidget3->SetMinAdc(model->GetAdcRange().first); m_Controls->m_PrototypeWidget3->SetMaxAdc(model->GetAdcRange().second); m_Controls->m_Compartment3Box->setCurrentIndex(3); break; } break; } case 4: { if (compVolNode.IsNotNull()) m_Controls->m_Comp4VolumeFraction->SetSelectedNode(compVolNode); if (dynamic_cast*>(signalModel)) { mitk::BallModel<>* model = dynamic_cast*>(signalModel); m_Controls->m_BallWidget2->SetT2(model->GetT2()); m_Controls->m_BallWidget2->SetT1(model->GetT1()); m_Controls->m_BallWidget2->SetD(model->GetDiffusivity()); m_Controls->m_Compartment4Box->setCurrentIndex(1); break; } else if (dynamic_cast*>(signalModel)) { mitk::AstroStickModel<>* model = dynamic_cast*>(signalModel); m_Controls->m_AstrosticksWidget2->SetT2(model->GetT2()); m_Controls->m_AstrosticksWidget2->SetT1(model->GetT1()); m_Controls->m_AstrosticksWidget2->SetD(model->GetDiffusivity()); m_Controls->m_AstrosticksWidget2->SetRandomizeSticks(model->GetRandomizeSticks()); m_Controls->m_Compartment4Box->setCurrentIndex(2); break; } else if (dynamic_cast*>(signalModel)) { mitk::DotModel<>* model = dynamic_cast*>(signalModel); m_Controls->m_DotWidget2->SetT2(model->GetT2()); m_Controls->m_DotWidget2->SetT1(model->GetT1()); m_Controls->m_Compartment4Box->setCurrentIndex(3); break; } else if (dynamic_cast*>(signalModel)) { mitk::RawShModel<>* model = dynamic_cast*>(signalModel); m_Controls->m_PrototypeWidget4->SetNumberOfSamples(model->GetMaxNumKernels()); m_Controls->m_PrototypeWidget4->SetMinFa(model->GetFaRange().first); m_Controls->m_PrototypeWidget4->SetMaxFa(model->GetFaRange().second); m_Controls->m_PrototypeWidget4->SetMinAdc(model->GetAdcRange().first); m_Controls->m_PrototypeWidget4->SetMaxAdc(model->GetAdcRange().second); m_Controls->m_Compartment4Box->setCurrentIndex(4); break; } break; } } } if ( parameters.m_SignalGen.m_MaskImage ) { mitk::Image::Pointer image = mitk::Image::New(); image->InitializeByItk(parameters.m_SignalGen.m_MaskImage.GetPointer()); image->SetVolume(parameters.m_SignalGen.m_MaskImage->GetBufferPointer()); mitk::DataNode::Pointer node = mitk::DataNode::New(); node->SetData( image ); node->SetName("Tissue mask"); GetDataStorage()->Add(node); m_Controls->m_MaskComboBox->SetSelectedNode(node); } if ( parameters.m_SignalGen.m_FrequencyMap ) { mitk::Image::Pointer image = mitk::Image::New(); image->InitializeByItk(parameters.m_SignalGen.m_FrequencyMap.GetPointer()); image->SetVolume(parameters.m_SignalGen.m_FrequencyMap->GetBufferPointer()); mitk::DataNode::Pointer node = mitk::DataNode::New(); node->SetData( image ); node->SetName("Frequency map"); GetDataStorage()->Add(node); m_Controls->m_FrequencyMapBox->SetSelectedNode(node); } } void QmitkFiberfoxView::ShowAdvancedOptions(int state) { if (state) { m_Controls->m_AdvancedFiberOptionsFrame->setVisible(true); m_Controls->m_AdvancedSignalOptionsFrame->setVisible(true); m_Controls->m_AdvancedOptionsBox->setChecked(true); m_Controls->m_AdvancedOptionsBox_2->setChecked(true); } else { m_Controls->m_AdvancedFiberOptionsFrame->setVisible(false); m_Controls->m_AdvancedSignalOptionsFrame->setVisible(false); m_Controls->m_AdvancedOptionsBox->setChecked(false); m_Controls->m_AdvancedOptionsBox_2->setChecked(false); } } void QmitkFiberfoxView::Comp1ModelFrameVisibility(int index) { m_Controls->m_StickWidget1->setVisible(false); m_Controls->m_ZeppelinWidget1->setVisible(false); m_Controls->m_TensorWidget1->setVisible(false); m_Controls->m_PrototypeWidget1->setVisible(false); switch (index) { case 0: m_Controls->m_StickWidget1->setVisible(true); break; case 1: m_Controls->m_ZeppelinWidget1->setVisible(true); break; case 2: m_Controls->m_TensorWidget1->setVisible(true); break; case 3: m_Controls->m_PrototypeWidget1->setVisible(true); break; } } void QmitkFiberfoxView::Comp2ModelFrameVisibility(int index) { m_Controls->m_StickWidget2->setVisible(false); m_Controls->m_ZeppelinWidget2->setVisible(false); m_Controls->m_TensorWidget2->setVisible(false); m_Controls->m_Comp2FractionFrame->setVisible(false); switch (index) { case 0: break; case 1: m_Controls->m_StickWidget2->setVisible(true); m_Controls->m_Comp2FractionFrame->setVisible(true); break; case 2: m_Controls->m_ZeppelinWidget2->setVisible(true); m_Controls->m_Comp2FractionFrame->setVisible(true); break; case 3: m_Controls->m_TensorWidget2->setVisible(true); m_Controls->m_Comp2FractionFrame->setVisible(true); break; } } void QmitkFiberfoxView::Comp3ModelFrameVisibility(int index) { m_Controls->m_BallWidget1->setVisible(false); m_Controls->m_AstrosticksWidget1->setVisible(false); m_Controls->m_DotWidget1->setVisible(false); m_Controls->m_PrototypeWidget3->setVisible(false); switch (index) { case 0: m_Controls->m_BallWidget1->setVisible(true); break; case 1: m_Controls->m_AstrosticksWidget1->setVisible(true); break; case 2: m_Controls->m_DotWidget1->setVisible(true); break; case 3: m_Controls->m_PrototypeWidget3->setVisible(true); break; } } void QmitkFiberfoxView::Comp4ModelFrameVisibility(int index) { m_Controls->m_BallWidget2->setVisible(false); m_Controls->m_AstrosticksWidget2->setVisible(false); m_Controls->m_DotWidget2->setVisible(false); m_Controls->m_PrototypeWidget4->setVisible(false); m_Controls->m_Comp4FractionFrame->setVisible(false); switch (index) { case 0: break; case 1: m_Controls->m_BallWidget2->setVisible(true); m_Controls->m_Comp4FractionFrame->setVisible(true); break; case 2: m_Controls->m_AstrosticksWidget2->setVisible(true); m_Controls->m_Comp4FractionFrame->setVisible(true); break; case 3: m_Controls->m_DotWidget2->setVisible(true); m_Controls->m_Comp4FractionFrame->setVisible(true); break; case 4: m_Controls->m_PrototypeWidget4->setVisible(true); m_Controls->m_Comp4FractionFrame->setVisible(true); break; } } void QmitkFiberfoxView::OnConstantRadius(int value) { if (value>0 && m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::OnAddMotion(int value) { if (value>0) m_Controls->m_MotionArtifactFrame->setVisible(true); else m_Controls->m_MotionArtifactFrame->setVisible(false); } void QmitkFiberfoxView::OnAddAliasing(int value) { if (value>0) m_Controls->m_AliasingFrame->setVisible(true); else m_Controls->m_AliasingFrame->setVisible(false); } void QmitkFiberfoxView::OnAddSpikes(int value) { if (value>0) m_Controls->m_SpikeFrame->setVisible(true); else m_Controls->m_SpikeFrame->setVisible(false); } void QmitkFiberfoxView::OnAddEddy(int value) { if (value>0) m_Controls->m_EddyFrame->setVisible(true); else m_Controls->m_EddyFrame->setVisible(false); } void QmitkFiberfoxView::OnAddDistortions(int value) { if (value>0) m_Controls->m_DistortionsFrame->setVisible(true); else m_Controls->m_DistortionsFrame->setVisible(false); } void QmitkFiberfoxView::OnAddGhosts(int value) { if (value>0) m_Controls->m_GhostFrame->setVisible(true); else m_Controls->m_GhostFrame->setVisible(false); } void QmitkFiberfoxView::OnAddNoise(int value) { if (value>0) m_Controls->m_NoiseFrame->setVisible(true); else m_Controls->m_NoiseFrame->setVisible(false); } void QmitkFiberfoxView::OnDistributionChanged(int value) { if (value==1) m_Controls->m_VarianceBox->setVisible(true); else m_Controls->m_VarianceBox->setVisible(false); if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::OnVarianceChanged(double) { if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::OnFiberDensityChanged(int) { if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::OnFiberSamplingChanged(double) { if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::OnTensionChanged(double) { if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::OnContinuityChanged(double) { if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::OnBiasChanged(double) { if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::AlignOnGrid() { for (unsigned int i=0; i(m_SelectedFiducials.at(i)->GetData()); mitk::Point3D wc0 = pe->GetWorldControlPoint(0); mitk::DataStorage::SetOfObjects::ConstPointer parentFibs = GetDataStorage()->GetSources(m_SelectedFiducials.at(i)); for( mitk::DataStorage::SetOfObjects::const_iterator it = parentFibs->begin(); it != parentFibs->end(); ++it ) { mitk::DataNode::Pointer pFibNode = *it; if ( pFibNode.IsNotNull() && dynamic_cast(pFibNode->GetData()) ) { mitk::DataStorage::SetOfObjects::ConstPointer parentImgs = GetDataStorage()->GetSources(pFibNode); for( mitk::DataStorage::SetOfObjects::const_iterator it2 = parentImgs->begin(); it2 != parentImgs->end(); ++it2 ) { mitk::DataNode::Pointer pImgNode = *it2; if ( pImgNode.IsNotNull() && dynamic_cast(pImgNode->GetData()) ) { mitk::Image::Pointer img = dynamic_cast(pImgNode->GetData()); mitk::BaseGeometry::Pointer geom = img->GetGeometry(); itk::Index<3> idx; geom->WorldToIndex(wc0, idx); mitk::Point3D cIdx; cIdx[0]=idx[0]; cIdx[1]=idx[1]; cIdx[2]=idx[2]; mitk::Point3D world; geom->IndexToWorld(cIdx,world); mitk::Vector3D trans = world - wc0; pe->GetGeometry()->Translate(trans); break; } } break; } } } for(unsigned int i=0; iGetSources(fibNode); for( mitk::DataStorage::SetOfObjects::const_iterator it = sources->begin(); it != sources->end(); ++it ) { mitk::DataNode::Pointer imgNode = *it; if ( imgNode.IsNotNull() && dynamic_cast(imgNode->GetData()) ) { mitk::DataStorage::SetOfObjects::ConstPointer derivations = GetDataStorage()->GetDerivations(fibNode); for( mitk::DataStorage::SetOfObjects::const_iterator it2 = derivations->begin(); it2 != derivations->end(); ++it2 ) { mitk::DataNode::Pointer fiducialNode = *it2; if ( fiducialNode.IsNotNull() && dynamic_cast(fiducialNode->GetData()) ) { mitk::PlanarEllipse::Pointer pe = dynamic_cast(fiducialNode->GetData()); mitk::Point3D wc0 = pe->GetWorldControlPoint(0); mitk::Image::Pointer img = dynamic_cast(imgNode->GetData()); mitk::BaseGeometry::Pointer geom = img->GetGeometry(); itk::Index<3> idx; geom->WorldToIndex(wc0, idx); mitk::Point3D cIdx; cIdx[0]=idx[0]; cIdx[1]=idx[1]; cIdx[2]=idx[2]; mitk::Point3D world; geom->IndexToWorld(cIdx,world); mitk::Vector3D trans = world - wc0; pe->GetGeometry()->Translate(trans); } } break; } } } for(unsigned int i=0; i(m_SelectedImages.at(i)->GetData()); mitk::DataStorage::SetOfObjects::ConstPointer derivations = GetDataStorage()->GetDerivations(m_SelectedImages.at(i)); for( mitk::DataStorage::SetOfObjects::const_iterator it = derivations->begin(); it != derivations->end(); ++it ) { mitk::DataNode::Pointer fibNode = *it; if ( fibNode.IsNotNull() && dynamic_cast(fibNode->GetData()) ) { mitk::DataStorage::SetOfObjects::ConstPointer derivations2 = GetDataStorage()->GetDerivations(fibNode); for( mitk::DataStorage::SetOfObjects::const_iterator it2 = derivations2->begin(); it2 != derivations2->end(); ++it2 ) { mitk::DataNode::Pointer fiducialNode = *it2; if ( fiducialNode.IsNotNull() && dynamic_cast(fiducialNode->GetData()) ) { mitk::PlanarEllipse::Pointer pe = dynamic_cast(fiducialNode->GetData()); mitk::Point3D wc0 = pe->GetWorldControlPoint(0); mitk::BaseGeometry::Pointer geom = img->GetGeometry(); itk::Index<3> idx; geom->WorldToIndex(wc0, idx); mitk::Point3D cIdx; cIdx[0]=idx[0]; cIdx[1]=idx[1]; cIdx[2]=idx[2]; mitk::Point3D world; geom->IndexToWorld(cIdx,world); mitk::Vector3D trans = world - wc0; pe->GetGeometry()->Translate(trans); } } } } } mitk::RenderingManager::GetInstance()->RequestUpdateAll(); if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::OnFlipButton() { if (m_SelectedFiducial.IsNull()) return; std::map::iterator it = m_DataNodeToPlanarFigureData.find(m_SelectedFiducial.GetPointer()); if( it != m_DataNodeToPlanarFigureData.end() ) { QmitkPlanarFigureData& data = it->second; data.m_Flipped += 1; data.m_Flipped %= 2; } if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } QmitkFiberfoxView::GradientListType QmitkFiberfoxView::GenerateHalfShell(int NPoints) { NPoints *= 2; GradientListType pointshell; int numB0 = NPoints/20; if (numB0==0) numB0=1; GradientType g; g.Fill(0.0); for (int i=0; i theta; theta.set_size(NPoints); vnl_vector phi; phi.set_size(NPoints); double C = sqrt(4*M_PI); phi(0) = 0.0; phi(NPoints-1) = 0.0; for(int i=0; i0 && i std::vector > QmitkFiberfoxView::MakeGradientList() { std::vector > retval; vnl_matrix_fixed* U = itk::PointShell >::DistributePointShell(); // Add 0 vector for B0 int numB0 = ndirs/10; if (numB0==0) numB0=1; itk::Vector v; v.Fill(0.0); for (int i=0; i v; v[0] = U->get(0,i); v[1] = U->get(1,i); v[2] = U->get(2,i); retval.push_back(v); } return retval; } void QmitkFiberfoxView::OnAddBundle() { if (m_SelectedImageNode.IsNull()) return; mitk::DataStorage::SetOfObjects::ConstPointer children = GetDataStorage()->GetDerivations(m_SelectedImageNode); mitk::FiberBundle::Pointer bundle = mitk::FiberBundle::New(); mitk::DataNode::Pointer node = mitk::DataNode::New(); node->SetData( bundle ); QString name = QString("Bundle_%1").arg(children->size()); node->SetName(name.toStdString()); m_SelectedBundles.push_back(node); UpdateGui(); GetDataStorage()->Add(node, m_SelectedImageNode); } void QmitkFiberfoxView::OnDrawROI() { if (m_SelectedBundles.empty()) OnAddBundle(); if (m_SelectedBundles.empty()) return; mitk::DataStorage::SetOfObjects::ConstPointer children = GetDataStorage()->GetDerivations(m_SelectedBundles.at(0)); mitk::PlanarEllipse::Pointer figure = mitk::PlanarEllipse::New(); mitk::DataNode::Pointer node = mitk::DataNode::New(); node->SetData( figure ); node->SetBoolProperty("planarfigure.3drendering", true); node->SetBoolProperty("planarfigure.3drendering.fill", true); QList nodes = this->GetDataManagerSelection(); for( int i=0; iSetSelected(false); m_SelectedFiducial = node; QString name = QString("Fiducial_%1").arg(children->size()); node->SetName(name.toStdString()); node->SetSelected(true); this->DisableCrosshairNavigation(); mitk::PlanarFigureInteractor::Pointer figureInteractor = dynamic_cast(node->GetDataInteractor().GetPointer()); if(figureInteractor.IsNull()) { figureInteractor = mitk::PlanarFigureInteractor::New(); us::Module* planarFigureModule = us::ModuleRegistry::GetModule( "MitkPlanarFigure" ); figureInteractor->LoadStateMachine("PlanarFigureInteraction.xml", planarFigureModule ); figureInteractor->SetEventConfig( "PlanarFigureConfig.xml", planarFigureModule ); figureInteractor->SetDataNode( node ); } UpdateGui(); GetDataStorage()->Add(node, m_SelectedBundles.at(0)); } bool CompareLayer(mitk::DataNode::Pointer i,mitk::DataNode::Pointer j) { int li = -1; i->GetPropertyValue("layer", li); int lj = -1; j->GetPropertyValue("layer", lj); return liGetSources(m_SelectedFiducial); for( mitk::DataStorage::SetOfObjects::const_iterator it = parents->begin(); it != parents->end(); ++it ) if(dynamic_cast((*it)->GetData())) m_SelectedBundles.push_back(*it); if (m_SelectedBundles.empty()) return; } FiberfoxParameters parameters = UpdateImageParameters(false); for (unsigned int i=0; iGetDerivations(m_SelectedBundles.at(i)); std::vector< mitk::DataNode::Pointer > childVector; for( mitk::DataStorage::SetOfObjects::const_iterator it = children->begin(); it != children->end(); ++it ) childVector.push_back(*it); sort(childVector.begin(), childVector.end(), CompareLayer); vector< mitk::PlanarEllipse::Pointer > fib; vector< unsigned int > flip; float radius = 1; int count = 0; for( std::vector< mitk::DataNode::Pointer >::const_iterator it = childVector.begin(); it != childVector.end(); ++it ) { mitk::DataNode::Pointer node = *it; if ( node.IsNotNull() && dynamic_cast(node->GetData()) ) { mitk::PlanarEllipse* ellipse = dynamic_cast(node->GetData()); if (m_Controls->m_ConstantRadiusBox->isChecked()) { ellipse->SetTreatAsCircle(true); mitk::Point2D c = ellipse->GetControlPoint(0); mitk::Point2D p = ellipse->GetControlPoint(1); mitk::Vector2D v = p-c; if (count==0) { radius = v.GetVnlVector().magnitude(); ellipse->SetControlPoint(1, p); ellipse->Modified(); } else { v.Normalize(); v *= radius; ellipse->SetControlPoint(1, c+v); ellipse->Modified(); } } fib.push_back(ellipse); std::map::iterator it = m_DataNodeToPlanarFigureData.find(node.GetPointer()); if( it != m_DataNodeToPlanarFigureData.end() ) { QmitkPlanarFigureData& data = it->second; flip.push_back(data.m_Flipped); } else flip.push_back(0); } count++; } if (fib.size()>1) { parameters.m_FiberGen.m_Fiducials.push_back(fib); parameters.m_FiberGen.m_FlipList.push_back(flip); } else if (fib.size()>0) m_SelectedBundles.at(i)->SetData( mitk::FiberBundle::New() ); mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } itk::FibersFromPlanarFiguresFilter::Pointer filter = itk::FibersFromPlanarFiguresFilter::New(); filter->SetParameters(parameters.m_FiberGen); filter->Update(); vector< mitk::FiberBundle::Pointer > fiberBundles = filter->GetFiberBundles(); for (unsigned int i=0; iSetData( fiberBundles.at(i) ); if (fiberBundles.at(i)->GetNumFibers()>50000) m_SelectedBundles.at(i)->SetVisibility(false); } mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } void QmitkFiberfoxView::GenerateImage() { if (m_Controls->m_FiberBundleComboBox->GetSelectedNode().IsNull() && !mitk::DiffusionPropertyHelper::IsDiffusionWeightedImage( m_Controls->m_TemplateComboBox->GetSelectedNode())) { mitk::Image::Pointer image = mitk::ImageGenerator::GenerateGradientImage( m_Controls->m_SizeX->value(), m_Controls->m_SizeY->value(), m_Controls->m_SizeZ->value(), m_Controls->m_SpacingX->value(), m_Controls->m_SpacingY->value(), m_Controls->m_SpacingZ->value()); mitk::DataNode::Pointer node = mitk::DataNode::New(); node->SetData( image ); node->SetName("Dummy"); unsigned int window = m_Controls->m_SizeX->value()*m_Controls->m_SizeY->value()*m_Controls->m_SizeZ->value(); unsigned int level = window/2; mitk::LevelWindow lw; lw.SetLevelWindow(level, window); node->SetProperty( "levelwindow", mitk::LevelWindowProperty::New( lw ) ); GetDataStorage()->Add(node); m_SelectedImageNode = node; mitk::BaseData::Pointer basedata = node->GetData(); if (basedata.IsNotNull()) { mitk::RenderingManager::GetInstance()->InitializeViews( basedata->GetTimeGeometry(), mitk::RenderingManager::REQUEST_UPDATE_ALL, true ); mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } UpdateGui(); QMessageBox::information(NULL, "Template image generated", "You have selected no fiber bundle or diffusion-weighted image, which can be used to simulate a new diffusion-weighted image. A template image with the specified geometry has been generated that can be used to draw artificial fibers (see tab 'Fiber Definition')."); } else if (m_Controls->m_FiberBundleComboBox->GetSelectedNode().IsNotNull()) SimulateImageFromFibers(m_Controls->m_FiberBundleComboBox->GetSelectedNode()); else if ( mitk::DiffusionPropertyHelper::IsDiffusionWeightedImage( m_Controls->m_TemplateComboBox->GetSelectedNode()) ) SimulateForExistingDwi(m_Controls->m_TemplateComboBox->GetSelectedNode()); else QMessageBox::information(NULL, "No image generated", "You have selected no fiber bundle or diffusion-weighted image, which can be used to simulate a new diffusion-weighted image."); } void QmitkFiberfoxView::SimulateForExistingDwi(mitk::DataNode* imageNode) { bool isDiffusionImage( mitk::DiffusionPropertyHelper::IsDiffusionWeightedImage( dynamic_cast(imageNode->GetData())) ); if ( !isDiffusionImage ) { return; } FiberfoxParameters parameters = UpdateImageParameters(); if (parameters.m_NoiseModel==NULL && parameters.m_SignalGen.m_Spikes==0 && parameters.m_SignalGen.m_FrequencyMap.IsNull() && parameters.m_SignalGen.m_KspaceLineOffset<=0.000001 && !parameters.m_SignalGen.m_DoAddGibbsRinging && !(parameters.m_SignalGen.m_EddyStrength>0) && parameters.m_SignalGen.m_CroppingFactor>0.999) { QMessageBox::information( NULL, "Simulation cancelled", "No valid artifact enabled! Motion artifacts and relaxation effects can NOT be added to an existing diffusion weighted image."); return; } mitk::Image::Pointer diffImg = dynamic_cast(imageNode->GetData()); ItkDwiType::Pointer itkVectorImagePointer = ItkDwiType::New(); mitk::CastToItkImage(diffImg, itkVectorImagePointer); m_ArtifactsToDwiFilter = itk::AddArtifactsToDwiImageFilter< short >::New(); m_ArtifactsToDwiFilter->SetInput(itkVectorImagePointer); parameters.m_Misc.m_ParentNode = imageNode; m_ArtifactsToDwiFilter->SetParameters(parameters); m_Worker.m_FilterType = 1; m_Thread.start(QThread::LowestPriority); } void QmitkFiberfoxView::SimulateImageFromFibers(mitk::DataNode* fiberNode) { mitk::FiberBundle::Pointer fiberBundle = dynamic_cast(fiberNode->GetData()); if (fiberBundle->GetNumFibers()<=0) return; FiberfoxParameters parameters = UpdateImageParameters(); m_TractsToDwiFilter = itk::TractsToDWIImageFilter< short >::New(); parameters.m_Misc.m_ParentNode = fiberNode; if (m_Controls->m_TemplateComboBox->GetSelectedNode().IsNotNull() && mitk::DiffusionPropertyHelper::IsDiffusionWeightedImage( dynamic_cast(m_Controls->m_TemplateComboBox->GetSelectedNode()->GetData()))) { bool first = true; bool ok = true; mitk::Image::Pointer diffImg = dynamic_cast(m_Controls->m_TemplateComboBox->GetSelectedNode()->GetData()); itk::Image< itk::DiffusionTensor3D< double >, 3 >::Pointer tensorImage = NULL; const int shOrder = 2; typedef itk::AnalyticalDiffusionQballReconstructionImageFilter QballFilterType; QballFilterType::CoefficientImageType::Pointer itkFeatureImage = NULL; ItkDoubleImgType::Pointer adcImage = NULL; for (unsigned int i=0; i* model = NULL; if (i* >(parameters.m_FiberModelList.at(i)); else model = dynamic_cast< mitk::RawShModel<>* >(parameters.m_NonFiberModelList.at(i-parameters.m_FiberModelList.size())); if (model!=0 && model->GetNumberOfKernels()<=0) { if (first==true) { ItkDwiType::Pointer itkVectorImagePointer = ItkDwiType::New(); mitk::CastToItkImage(diffImg, itkVectorImagePointer); typedef itk::DiffusionTensor3DReconstructionImageFilter< short, short, double > TensorReconstructionImageFilterType; TensorReconstructionImageFilterType::Pointer filter = TensorReconstructionImageFilterType::New(); filter->SetGradientImage( static_cast( diffImg->GetProperty(mitk::DiffusionPropertyHelper::GRADIENTCONTAINERPROPERTYNAME.c_str()).GetPointer() )->GetGradientDirectionsContainer(), itkVectorImagePointer ); filter->SetBValue( static_cast(diffImg->GetProperty(mitk::DiffusionPropertyHelper::REFERENCEBVALUEPROPERTYNAME.c_str()).GetPointer() )->GetValue() ); filter->Update(); tensorImage = filter->GetOutput(); const int NumCoeffs = (shOrder*shOrder + shOrder + 2)/2 + shOrder; QballFilterType::Pointer qballfilter = QballFilterType::New(); qballfilter->SetGradientImage( static_cast( diffImg->GetProperty(mitk::DiffusionPropertyHelper::GRADIENTCONTAINERPROPERTYNAME.c_str()).GetPointer() )->GetGradientDirectionsContainer(), itkVectorImagePointer ); qballfilter->SetBValue( static_cast(diffImg->GetProperty(mitk::DiffusionPropertyHelper::REFERENCEBVALUEPROPERTYNAME.c_str()).GetPointer() )->GetValue() ); qballfilter->SetLambda(0.006); qballfilter->SetNormalizationMethod(QballFilterType::QBAR_RAW_SIGNAL); qballfilter->Update(); itkFeatureImage = qballfilter->GetCoefficientImage(); itk::AdcImageFilter< short, double >::Pointer adcFilter = itk::AdcImageFilter< short, double >::New(); adcFilter->SetInput( itkVectorImagePointer ); adcFilter->SetGradientDirections( static_cast( diffImg->GetProperty(mitk::DiffusionPropertyHelper::GRADIENTCONTAINERPROPERTYNAME.c_str()).GetPointer() )->GetGradientDirectionsContainer() ); adcFilter->SetB_value( static_cast(diffImg->GetProperty(mitk::DiffusionPropertyHelper::REFERENCEBVALUEPROPERTYNAME.c_str()).GetPointer() )->GetValue() ); adcFilter->Update(); adcImage = adcFilter->GetOutput(); } ok = model->SampleKernels(diffImg, parameters.m_SignalGen.m_MaskImage, tensorImage, itkFeatureImage, adcImage); if (!ok) break; } } if (!ok) { QMessageBox::information( NULL, "Simulation cancelled", "No valid prototype signals could be sampled."); return; } } else if ( m_Controls->m_Compartment1Box->currentIndex()==3 || m_Controls->m_Compartment3Box->currentIndex()==3 || m_Controls->m_Compartment4Box->currentIndex()==4 ) { QMessageBox::information( NULL, "Simulation cancelled", "Prototype signal but no diffusion-weighted image selected to sample signal from."); return; } m_TractsToDwiFilter->SetParameters(parameters); m_TractsToDwiFilter->SetFiberBundle(fiberBundle); m_Worker.m_FilterType = 0; m_Thread.start(QThread::LowestPriority); } void QmitkFiberfoxView::ApplyTransform() { vector< mitk::DataNode::Pointer > selectedBundles; for(unsigned int i=0; iGetDerivations(m_SelectedImages.at(i)); for( mitk::DataStorage::SetOfObjects::const_iterator it = derivations->begin(); it != derivations->end(); ++it ) { mitk::DataNode::Pointer fibNode = *it; if ( fibNode.IsNotNull() && dynamic_cast(fibNode->GetData()) ) selectedBundles.push_back(fibNode); } } if (selectedBundles.empty()) selectedBundles = m_SelectedBundles2; if (!selectedBundles.empty()) { for (std::vector::const_iterator it = selectedBundles.begin(); it!=selectedBundles.end(); ++it) { mitk::FiberBundle::Pointer fib = dynamic_cast((*it)->GetData()); fib->RotateAroundAxis(m_Controls->m_XrotBox->value(), m_Controls->m_YrotBox->value(), m_Controls->m_ZrotBox->value()); fib->TranslateFibers(m_Controls->m_XtransBox->value(), m_Controls->m_YtransBox->value(), m_Controls->m_ZtransBox->value()); fib->ScaleFibers(m_Controls->m_XscaleBox->value(), m_Controls->m_YscaleBox->value(), m_Controls->m_ZscaleBox->value()); // handle child fiducials if (m_Controls->m_IncludeFiducials->isChecked()) { mitk::DataStorage::SetOfObjects::ConstPointer derivations = GetDataStorage()->GetDerivations(*it); for( mitk::DataStorage::SetOfObjects::const_iterator it2 = derivations->begin(); it2 != derivations->end(); ++it2 ) { mitk::DataNode::Pointer fiducialNode = *it2; if ( fiducialNode.IsNotNull() && dynamic_cast(fiducialNode->GetData()) ) { mitk::PlanarEllipse* pe = dynamic_cast(fiducialNode->GetData()); mitk::BaseGeometry* geom = pe->GetGeometry(); // translate mitk::Vector3D world; world[0] = m_Controls->m_XtransBox->value(); world[1] = m_Controls->m_YtransBox->value(); world[2] = m_Controls->m_ZtransBox->value(); geom->Translate(world); // calculate rotation matrix double x = m_Controls->m_XrotBox->value()*M_PI/180; double y = m_Controls->m_YrotBox->value()*M_PI/180; double z = m_Controls->m_ZrotBox->value()*M_PI/180; itk::Matrix< double, 3, 3 > rotX; rotX.SetIdentity(); rotX[1][1] = cos(x); rotX[2][2] = rotX[1][1]; rotX[1][2] = -sin(x); rotX[2][1] = -rotX[1][2]; itk::Matrix< double, 3, 3 > rotY; rotY.SetIdentity(); rotY[0][0] = cos(y); rotY[2][2] = rotY[0][0]; rotY[0][2] = sin(y); rotY[2][0] = -rotY[0][2]; itk::Matrix< double, 3, 3 > rotZ; rotZ.SetIdentity(); rotZ[0][0] = cos(z); rotZ[1][1] = rotZ[0][0]; rotZ[0][1] = -sin(z); rotZ[1][0] = -rotZ[0][1]; itk::Matrix< double, 3, 3 > rot = rotZ*rotY*rotX; // transform control point coordinate into geometry translation geom->SetOrigin(pe->GetWorldControlPoint(0)); mitk::Point2D cp; cp.Fill(0.0); pe->SetControlPoint(0, cp); // rotate fiducial geom->GetIndexToWorldTransform()->SetMatrix(rot*geom->GetIndexToWorldTransform()->GetMatrix()); // implicit translation mitk::Vector3D trans; trans[0] = geom->GetOrigin()[0]-fib->GetGeometry()->GetCenter()[0]; trans[1] = geom->GetOrigin()[1]-fib->GetGeometry()->GetCenter()[1]; trans[2] = geom->GetOrigin()[2]-fib->GetGeometry()->GetCenter()[2]; mitk::Vector3D newWc = rot*trans; newWc = newWc-trans; geom->Translate(newWc); pe->Modified(); } } } } } else { for (unsigned int i=0; i(m_SelectedFiducials.at(i)->GetData()); mitk::BaseGeometry* geom = pe->GetGeometry(); // translate mitk::Vector3D world; world[0] = m_Controls->m_XtransBox->value(); world[1] = m_Controls->m_YtransBox->value(); world[2] = m_Controls->m_ZtransBox->value(); geom->Translate(world); // calculate rotation matrix double x = m_Controls->m_XrotBox->value()*M_PI/180; double y = m_Controls->m_YrotBox->value()*M_PI/180; double z = m_Controls->m_ZrotBox->value()*M_PI/180; itk::Matrix< double, 3, 3 > rotX; rotX.SetIdentity(); rotX[1][1] = cos(x); rotX[2][2] = rotX[1][1]; rotX[1][2] = -sin(x); rotX[2][1] = -rotX[1][2]; itk::Matrix< double, 3, 3 > rotY; rotY.SetIdentity(); rotY[0][0] = cos(y); rotY[2][2] = rotY[0][0]; rotY[0][2] = sin(y); rotY[2][0] = -rotY[0][2]; itk::Matrix< double, 3, 3 > rotZ; rotZ.SetIdentity(); rotZ[0][0] = cos(z); rotZ[1][1] = rotZ[0][0]; rotZ[0][1] = -sin(z); rotZ[1][0] = -rotZ[0][1]; itk::Matrix< double, 3, 3 > rot = rotZ*rotY*rotX; // transform control point coordinate into geometry translation geom->SetOrigin(pe->GetWorldControlPoint(0)); mitk::Point2D cp; cp.Fill(0.0); pe->SetControlPoint(0, cp); // rotate fiducial geom->GetIndexToWorldTransform()->SetMatrix(rot*geom->GetIndexToWorldTransform()->GetMatrix()); pe->Modified(); } if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } void QmitkFiberfoxView::CopyBundles() { if ( m_SelectedBundles.size()<1 ){ QMessageBox::information( NULL, "Warning", "Select at least one fiber bundle!"); MITK_WARN("QmitkFiberFoxView") << "Select at least one fiber bundle!"; return; } for (std::vector::const_iterator it = m_SelectedBundles.begin(); it!=m_SelectedBundles.end(); ++it) { // find parent image mitk::DataNode::Pointer parentNode; mitk::DataStorage::SetOfObjects::ConstPointer parentImgs = GetDataStorage()->GetSources(*it); for( mitk::DataStorage::SetOfObjects::const_iterator it2 = parentImgs->begin(); it2 != parentImgs->end(); ++it2 ) { mitk::DataNode::Pointer pImgNode = *it2; if ( pImgNode.IsNotNull() && dynamic_cast(pImgNode->GetData()) ) { parentNode = pImgNode; break; } } mitk::FiberBundle::Pointer fib = dynamic_cast((*it)->GetData()); mitk::FiberBundle::Pointer newBundle = fib->GetDeepCopy(); QString name((*it)->GetName().c_str()); name += "_copy"; mitk::DataNode::Pointer fbNode = mitk::DataNode::New(); fbNode->SetData(newBundle); fbNode->SetName(name.toStdString()); fbNode->SetVisibility(true); if (parentNode.IsNotNull()) GetDataStorage()->Add(fbNode, parentNode); else GetDataStorage()->Add(fbNode); // copy child fiducials if (m_Controls->m_IncludeFiducials->isChecked()) { mitk::DataStorage::SetOfObjects::ConstPointer derivations = GetDataStorage()->GetDerivations(*it); for( mitk::DataStorage::SetOfObjects::const_iterator it2 = derivations->begin(); it2 != derivations->end(); ++it2 ) { mitk::DataNode::Pointer fiducialNode = *it2; if ( fiducialNode.IsNotNull() && dynamic_cast(fiducialNode->GetData()) ) { mitk::PlanarEllipse::Pointer pe = dynamic_cast(fiducialNode->GetData())->Clone(); mitk::DataNode::Pointer newNode = mitk::DataNode::New(); newNode->SetData(pe); newNode->SetName(fiducialNode->GetName()); newNode->SetBoolProperty("planarfigure.3drendering", true); GetDataStorage()->Add(newNode, fbNode); } } } } mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } void QmitkFiberfoxView::JoinBundles() { if ( m_SelectedBundles.size()<2 ){ QMessageBox::information( NULL, "Warning", "Select at least two fiber bundles!"); MITK_WARN("QmitkFiberFoxView") << "Select at least two fiber bundles!"; return; } std::vector::const_iterator it = m_SelectedBundles.begin(); mitk::FiberBundle::Pointer newBundle = dynamic_cast((*it)->GetData()); QString name(""); name += QString((*it)->GetName().c_str()); ++it; for (; it!=m_SelectedBundles.end(); ++it) { newBundle = newBundle->AddBundle(dynamic_cast((*it)->GetData())); name += "+"+QString((*it)->GetName().c_str()); } mitk::DataNode::Pointer fbNode = mitk::DataNode::New(); fbNode->SetData(newBundle); fbNode->SetName(name.toStdString()); fbNode->SetVisibility(true); GetDataStorage()->Add(fbNode); mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } void QmitkFiberfoxView::UpdateGui() { m_Controls->m_GeometryFrame->setEnabled(true); m_Controls->m_GeometryMessage->setVisible(false); m_Controls->m_DiffusionPropsMessage->setVisible(false); m_Controls->m_FiberGenMessage->setVisible(true); m_Controls->m_TransformBundlesButton->setEnabled(false); m_Controls->m_CopyBundlesButton->setEnabled(false); m_Controls->m_GenerateFibersButton->setEnabled(false); m_Controls->m_FlipButton->setEnabled(false); m_Controls->m_CircleButton->setEnabled(false); m_Controls->m_BvalueBox->setEnabled(true); m_Controls->m_NumGradientsBox->setEnabled(true); m_Controls->m_JoinBundlesButton->setEnabled(false); m_Controls->m_AlignOnGrid->setEnabled(false); // Fiber generation gui if (m_SelectedFiducial.IsNotNull()) { m_Controls->m_TransformBundlesButton->setEnabled(true); m_Controls->m_FlipButton->setEnabled(true); m_Controls->m_AlignOnGrid->setEnabled(true); } if (m_SelectedImageNode.IsNotNull() || !m_SelectedBundles.empty()) { m_Controls->m_CircleButton->setEnabled(true); m_Controls->m_FiberGenMessage->setVisible(false); } if (m_SelectedImageNode.IsNotNull() && !m_SelectedBundles.empty()) m_Controls->m_AlignOnGrid->setEnabled(true); if (!m_SelectedBundles.empty()) { m_Controls->m_TransformBundlesButton->setEnabled(true); m_Controls->m_CopyBundlesButton->setEnabled(true); m_Controls->m_GenerateFibersButton->setEnabled(true); if (m_SelectedBundles.size()>1) m_Controls->m_JoinBundlesButton->setEnabled(true); } // Signal generation gui if (m_Controls->m_MaskComboBox->GetSelectedNode().IsNotNull() || m_Controls->m_TemplateComboBox->GetSelectedNode().IsNotNull()) { m_Controls->m_GeometryMessage->setVisible(true); m_Controls->m_GeometryFrame->setEnabled(false); } if (m_Controls->m_TemplateComboBox->GetSelectedNode().IsNotNull() && mitk::DiffusionPropertyHelper::IsDiffusionWeightedImage( dynamic_cast(m_Controls->m_TemplateComboBox->GetSelectedNode()->GetData()))) { m_Controls->m_DiffusionPropsMessage->setVisible(true); m_Controls->m_BvalueBox->setEnabled(false); m_Controls->m_NumGradientsBox->setEnabled(false); m_Controls->m_GeometryMessage->setVisible(true); m_Controls->m_GeometryFrame->setEnabled(false); } } void QmitkFiberfoxView::OnSelectionChanged( berry::IWorkbenchPart::Pointer, const QList& nodes ) { m_SelectedBundles2.clear(); m_SelectedImages.clear(); m_SelectedFiducials.clear(); m_SelectedFiducial = NULL; m_SelectedBundles.clear(); m_SelectedImageNode = NULL; // iterate all selected objects, adjust warning visibility for( int i=0; i(node->GetData())); // } // if ( node.IsNotNull() && isDiffusionImage ) // { // m_SelectedDWI = node; // m_SelectedImage = node; // m_SelectedImages.push_back(node); // } if( node.IsNotNull() && dynamic_cast(node->GetData()) ) { m_SelectedImages.push_back(node); m_SelectedImageNode = node; } else if ( node.IsNotNull() && dynamic_cast(node->GetData()) ) { m_SelectedBundles2.push_back(node); if (m_Controls->m_RealTimeFibers->isChecked()) { m_SelectedBundles.push_back(node); mitk::FiberBundle::Pointer newFib = dynamic_cast(node->GetData()); if (newFib->GetNumFibers()!=m_Controls->m_FiberDensityBox->value()) GenerateFibers(); } else m_SelectedBundles.push_back(node); } else if ( node.IsNotNull() && dynamic_cast(node->GetData()) ) { m_SelectedFiducials.push_back(node); m_SelectedFiducial = node; m_SelectedBundles.clear(); mitk::DataStorage::SetOfObjects::ConstPointer parents = GetDataStorage()->GetSources(node); for( mitk::DataStorage::SetOfObjects::const_iterator it = parents->begin(); it != parents->end(); ++it ) { mitk::DataNode::Pointer pNode = *it; if ( pNode.IsNotNull() && dynamic_cast(pNode->GetData()) ) m_SelectedBundles.push_back(pNode); } } } UpdateGui(); } void QmitkFiberfoxView::EnableCrosshairNavigation() { MITK_DEBUG << "EnableCrosshairNavigation"; // enable the crosshair navigation if (mitk::ILinkedRenderWindowPart* linkedRenderWindow = dynamic_cast(this->GetRenderWindowPart())) { MITK_DEBUG << "enabling linked navigation"; linkedRenderWindow->EnableLinkedNavigation(true); // linkedRenderWindow->EnableSlicingPlanes(true); } if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::DisableCrosshairNavigation() { MITK_DEBUG << "DisableCrosshairNavigation"; // disable the crosshair navigation during the drawing if (mitk::ILinkedRenderWindowPart* linkedRenderWindow = dynamic_cast(this->GetRenderWindowPart())) { MITK_DEBUG << "disabling linked navigation"; linkedRenderWindow->EnableLinkedNavigation(false); // linkedRenderWindow->EnableSlicingPlanes(false); } } void QmitkFiberfoxView::NodeRemoved(const mitk::DataNode* node) { mitk::DataNode* nonConstNode = const_cast(node); std::map::iterator it = m_DataNodeToPlanarFigureData.find(nonConstNode); if (dynamic_cast(node->GetData())) { m_SelectedBundles.clear(); m_SelectedBundles2.clear(); } else if (dynamic_cast(node->GetData())) m_SelectedImages.clear(); if( it != m_DataNodeToPlanarFigureData.end() ) { QmitkPlanarFigureData& data = it->second; // remove observers data.m_Figure->RemoveObserver( data.m_EndPlacementObserverTag ); data.m_Figure->RemoveObserver( data.m_SelectObserverTag ); data.m_Figure->RemoveObserver( data.m_StartInteractionObserverTag ); data.m_Figure->RemoveObserver( data.m_EndInteractionObserverTag ); m_DataNodeToPlanarFigureData.erase( it ); } } void QmitkFiberfoxView::NodeAdded( const mitk::DataNode* node ) { // add observer for selection in renderwindow mitk::PlanarFigure* figure = dynamic_cast(node->GetData()); bool isPositionMarker (false); node->GetBoolProperty("isContourMarker", isPositionMarker); if( figure && !isPositionMarker ) { MITK_DEBUG << "figure added. will add interactor if needed."; mitk::PlanarFigureInteractor::Pointer figureInteractor = dynamic_cast(node->GetDataInteractor().GetPointer()); mitk::DataNode* nonConstNode = const_cast( node ); if(figureInteractor.IsNull()) { figureInteractor = mitk::PlanarFigureInteractor::New(); us::Module* planarFigureModule = us::ModuleRegistry::GetModule( "MitkPlanarFigure" ); figureInteractor->LoadStateMachine("PlanarFigureInteraction.xml", planarFigureModule ); figureInteractor->SetEventConfig( "PlanarFigureConfig.xml", planarFigureModule ); figureInteractor->SetDataNode( nonConstNode ); } MITK_DEBUG << "will now add observers for planarfigure"; QmitkPlanarFigureData data; data.m_Figure = figure; // // add observer for event when figure has been placed typedef itk::SimpleMemberCommand< QmitkFiberfoxView > SimpleCommandType; // SimpleCommandType::Pointer initializationCommand = SimpleCommandType::New(); // initializationCommand->SetCallbackFunction( this, &QmitkFiberfoxView::PlanarFigureInitialized ); // data.m_EndPlacementObserverTag = figure->AddObserver( mitk::EndPlacementPlanarFigureEvent(), initializationCommand ); // add observer for event when figure is picked (selected) typedef itk::MemberCommand< QmitkFiberfoxView > MemberCommandType; MemberCommandType::Pointer selectCommand = MemberCommandType::New(); selectCommand->SetCallbackFunction( this, &QmitkFiberfoxView::PlanarFigureSelected ); data.m_SelectObserverTag = figure->AddObserver( mitk::SelectPlanarFigureEvent(), selectCommand ); // add observer for event when interaction with figure starts SimpleCommandType::Pointer startInteractionCommand = SimpleCommandType::New(); startInteractionCommand->SetCallbackFunction( this, &QmitkFiberfoxView::DisableCrosshairNavigation); data.m_StartInteractionObserverTag = figure->AddObserver( mitk::StartInteractionPlanarFigureEvent(), startInteractionCommand ); // add observer for event when interaction with figure starts SimpleCommandType::Pointer endInteractionCommand = SimpleCommandType::New(); endInteractionCommand->SetCallbackFunction( this, &QmitkFiberfoxView::EnableCrosshairNavigation); data.m_EndInteractionObserverTag = figure->AddObserver( mitk::EndInteractionPlanarFigureEvent(), endInteractionCommand ); m_DataNodeToPlanarFigureData[nonConstNode] = data; } } void QmitkFiberfoxView::PlanarFigureSelected( itk::Object* object, const itk::EventObject& ) { mitk::TNodePredicateDataType::Pointer isPf = mitk::TNodePredicateDataType::New(); mitk::DataStorage::SetOfObjects::ConstPointer allPfs = this->GetDataStorage()->GetSubset( isPf ); for ( mitk::DataStorage::SetOfObjects::const_iterator it = allPfs->begin(); it!=allPfs->end(); ++it) { mitk::DataNode* node = *it; if( node->GetData() == object ) { node->SetSelected(true); m_SelectedFiducial = node; } else node->SetSelected(false); } UpdateGui(); this->RequestRenderWindowUpdate(); } void QmitkFiberfoxView::SetFocus() { m_Controls->m_CircleButton->setFocus(); } void QmitkFiberfoxView::SetOutputPath() { // SELECT FOLDER DIALOG string outputPath = QFileDialog::getExistingDirectory(NULL, "Save images to...", QString(outputPath.c_str())).toStdString(); if (outputPath.empty()) m_Controls->m_SavePathEdit->setText("-"); else { outputPath += "/"; m_Controls->m_SavePathEdit->setText(QString(outputPath.c_str())); } }