diff --git a/Core/Code/Algorithms/mitkExtractSliceFilter.cpp b/Core/Code/Algorithms/mitkExtractSliceFilter.cpp index 8b654c527a..9839317cba 100644 --- a/Core/Code/Algorithms/mitkExtractSliceFilter.cpp +++ b/Core/Code/Algorithms/mitkExtractSliceFilter.cpp @@ -1,486 +1,488 @@ /*=================================================================== 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 "mitkExtractSliceFilter.h" #include #include #include #include #include #include #include mitk::ExtractSliceFilter::ExtractSliceFilter(vtkImageReslice* reslicer ){ if(reslicer == NULL){ m_Reslicer = vtkSmartPointer::New(); } else { m_Reslicer = reslicer; } m_TimeStep = 0; m_Reslicer->ReleaseDataFlagOn(); m_InterpolationMode = ExtractSliceFilter::RESLICE_NEAREST; m_ResliceTransform = NULL; m_InPlaneResampleExtentByGeometry = false; m_OutPutSpacing = new mitk::ScalarType[2]; m_OutputDimension = 2; m_ZSpacing = 1.0; m_ZMin = 0; m_ZMax = 0; m_VtkOutputRequested = false; } mitk::ExtractSliceFilter::~ExtractSliceFilter(){ m_ResliceTransform = NULL; m_WorldGeometry = NULL; delete [] m_OutPutSpacing; } void mitk::ExtractSliceFilter::GenerateOutputInformation(){ Superclass::GenerateOutputInformation(); //TODO try figure out how to set the specs of the slice before it is actually extracted /*Image::Pointer output = this->GetOutput(); Image::ConstPointer input = this->GetInput(); if (input.IsNull()) return; unsigned int dimensions[2]; dimensions[0] = m_WorldGeometry->GetExtent(0); dimensions[1] = m_WorldGeometry->GetExtent(1); output->Initialize(input->GetPixelType(), 2, dimensions, 1);*/ } void mitk::ExtractSliceFilter::GenerateInputRequestedRegion(){ //As we want all pixel information fo the image in our plane, the requested region //is set to the largest possible region in the image. //This is needed because an oblique plane has a larger extent then the image //and the in pipeline it is checked via PropagateResquestedRegion(). But the //extent of the slice is actually fitting because it is oblique within the image. ImageToImageFilter::InputImagePointer input = const_cast< ImageToImageFilter::InputImageType* > ( this->GetInput() ); input->SetRequestedRegionToLargestPossibleRegion(); } mitk::ScalarType* mitk::ExtractSliceFilter::GetOutputSpacing(){ return m_OutPutSpacing; } void mitk::ExtractSliceFilter::GenerateData(){ mitk::Image *input = const_cast< mitk::Image * >( this->GetInput() ); if (!input) { MITK_ERROR << "mitk::ExtractSliceFilter: No input image available. Please set the input!" << std::endl; itkExceptionMacro("mitk::ExtractSliceFilter: No input image available. Please set the input!"); return; } + this->SetResliceTransformByGeometry( input->GetTimeSlicedGeometry()->GetGeometry3D( m_TimeStep ) ); + if(!m_WorldGeometry) { MITK_ERROR << "mitk::ExtractSliceFilter: No Geometry for reslicing available." << std::endl; itkExceptionMacro("mitk::ExtractSliceFilter: No Geometry for reslicing available."); return; } const TimeSlicedGeometry *inputTimeGeometry = this->GetInput()->GetTimeSlicedGeometry(); if ( ( inputTimeGeometry == NULL ) || ( inputTimeGeometry->GetTimeSteps() == 0 ) ) { itkWarningMacro(<<"Error reading input image TimeSlicedGeometry."); return; } // is it a valid timeStep? if ( inputTimeGeometry->IsValidTime( m_TimeStep ) == false ) { itkWarningMacro(<<"This is not a valid timestep: "<< m_TimeStep ); return; } // check if there is something to display. if ( ! input->IsVolumeSet( m_TimeStep ) ) { itkWarningMacro(<<"No volume data existent at given timestep "<< m_TimeStep ); return; } /*================#BEGIN setup vtkImageRslice properties================*/ Point3D origin; Vector3D right, bottom, normal; double widthInMM, heightInMM; Vector2D extent; const PlaneGeometry* planeGeometry = dynamic_cast(m_WorldGeometry); if ( planeGeometry != NULL ) { //if the worldGeomatry is a PlaneGeometry everthing is straight forward origin = planeGeometry->GetOrigin(); right = planeGeometry->GetAxisVector( 0 ); bottom = planeGeometry->GetAxisVector( 1 ); normal = planeGeometry->GetNormal(); if ( m_InPlaneResampleExtentByGeometry ) { // Resampling grid corresponds to the current world geometry. This // means that the spacing of the output 2D image depends on the // currently selected world geometry, and *not* on the image itself. extent[0] = m_WorldGeometry->GetExtent( 0 ); extent[1] = m_WorldGeometry->GetExtent( 1 ); } else { // Resampling grid corresponds to the input geometry. This means that // the spacing of the output 2D image is directly derived from the // associated input image, regardless of the currently selected world // geometry. Vector3D rightInIndex, bottomInIndex; inputTimeGeometry->GetGeometry3D( m_TimeStep )->WorldToIndex( right, rightInIndex ); inputTimeGeometry->GetGeometry3D( m_TimeStep )->WorldToIndex( bottom, bottomInIndex ); extent[0] = rightInIndex.GetNorm(); extent[1] = bottomInIndex.GetNorm(); } // Get the extent of the current world geometry and calculate resampling // spacing therefrom. widthInMM = m_WorldGeometry->GetExtentInMM( 0 ); heightInMM = m_WorldGeometry->GetExtentInMM( 1 ); m_OutPutSpacing[0] = widthInMM / extent[0]; m_OutPutSpacing[1] = heightInMM / extent[1]; right.Normalize(); bottom.Normalize(); normal.Normalize(); /* * Transform the origin to center based coordinates. * Note: * The worldGeometry surrouding the image is no imageGeometry. So the worldGeometry * has its origin at the corner of the voxel and needs to be transformed. */ if( !(m_WorldGeometry->GetImageGeometry())) { origin += right * ( m_OutPutSpacing[0] * 0.5 ); origin += bottom * ( m_OutPutSpacing[1] * 0.5 ); } //set the tranform for reslicing. // Use inverse transform of the input geometry for reslicing the 3D image. // This is needed if the image volume already transformed if(m_ResliceTransform.IsNotNull()) m_Reslicer->SetResliceTransform(m_ResliceTransform->GetVtkTransform()->GetLinearInverse()); // Set background level to TRANSLUCENT (see Geometry2DDataVtkMapper3D), // else the background of the image turns out gray m_Reslicer->SetBackgroundLevel( -32768 ); } else{ //Code for curved planes, mostly taken 1:1 from imageVtkMapper2D and not tested yet. // Do we have an AbstractTransformGeometry? // This is the case for AbstractTransformGeometry's (e.g. a ThinPlateSplineCurvedGeometry ) const mitk::AbstractTransformGeometry* abstractGeometry = dynamic_cast< const AbstractTransformGeometry * >(m_WorldGeometry); if(abstractGeometry != NULL) { m_ResliceTransform = abstractGeometry; extent[0] = abstractGeometry->GetParametricExtent(0); extent[1] = abstractGeometry->GetParametricExtent(1); widthInMM = abstractGeometry->GetParametricExtentInMM(0); heightInMM = abstractGeometry->GetParametricExtentInMM(1); m_OutPutSpacing[0] = widthInMM / extent[0]; m_OutPutSpacing[1] = heightInMM / extent[1]; origin = abstractGeometry->GetPlane()->GetOrigin(); right = abstractGeometry->GetPlane()->GetAxisVector(0); right.Normalize(); bottom = abstractGeometry->GetPlane()->GetAxisVector(1); bottom.Normalize(); normal = abstractGeometry->GetPlane()->GetNormal(); normal.Normalize(); // Use a combination of the InputGeometry *and* the possible non-rigid // AbstractTransformGeometry for reslicing the 3D Image vtkSmartPointer composedResliceTransform = vtkSmartPointer::New(); composedResliceTransform->Identity(); composedResliceTransform->Concatenate( inputTimeGeometry->GetGeometry3D( m_TimeStep )->GetVtkTransform()->GetLinearInverse() ); composedResliceTransform->Concatenate( abstractGeometry->GetVtkAbstractTransform() ); m_Reslicer->SetResliceTransform( composedResliceTransform ); // Set background level to BLACK instead of translucent, to avoid // boundary artifacts (see Geometry2DDataVtkMapper3D) m_Reslicer->SetBackgroundLevel( -1023 ); } else { itkExceptionMacro("mitk::ExtractSliceFilter: No fitting geometry for reslice axis!"); return; } } if(m_ResliceTransform.IsNotNull()){ //if the resliceTransform is set the reslice axis are recalculated. //Thus the geometry information is not fitting. Therefor a unitSpacingFilter //is used to set up a global spacing of 1 and compensate the transform. vtkSmartPointer unitSpacingImageFilter = vtkSmartPointer::New() ; unitSpacingImageFilter->ReleaseDataFlagOn(); unitSpacingImageFilter->SetOutputSpacing( 1.0, 1.0, 1.0 ); unitSpacingImageFilter->SetInput( input->GetVtkImageData(m_TimeStep) ); m_Reslicer->SetInput(unitSpacingImageFilter->GetOutput() ); } else { //if no tranform is set the image can be used directly m_Reslicer->SetInput(input->GetVtkImageData(m_TimeStep)); } /*setup the plane where vktImageReslice extracts the slice*/ //ResliceAxesOrigin is the ancor point of the plane double originInVtk[3]; itk2vtk(origin, originInVtk); m_Reslicer->SetResliceAxesOrigin(originInVtk); //the cosines define the plane: x and y are the direction vectors, n is the planes normal //this specifies a matrix 3x3 // x1 y1 n1 // x2 y2 n2 // x3 y3 n3 double cosines[9]; vnl2vtk(right.GetVnlVector(), cosines);//x vnl2vtk(bottom.GetVnlVector(), cosines + 3);//y vnl2vtk(normal.GetVnlVector(), cosines + 6);//n m_Reslicer->SetResliceAxesDirectionCosines(cosines); //we only have one slice, not a volume m_Reslicer->SetOutputDimensionality(m_OutputDimension); //set the interpolation mode for slicing switch(this->m_InterpolationMode){ case RESLICE_NEAREST: m_Reslicer->SetInterpolationModeToNearestNeighbor(); break; case RESLICE_LINEAR: m_Reslicer->SetInterpolationModeToLinear(); break; case RESLICE_CUBIC: m_Reslicer->SetInterpolationModeToCubic(); default: //the default interpolation used by mitk m_Reslicer->SetInterpolationModeToNearestNeighbor(); } /*========== BEGIN setup extent of the slice ==========*/ int xMin, xMax, yMin, yMax; xMin = yMin = 0; xMax = static_cast< int >( extent[0]); yMax = static_cast< int >( extent[1]); vtkFloatingPointType sliceBounds[6]; if (m_WorldGeometry->GetReferenceGeometry()) { for ( int i = 0; i < 6; ++i ) { sliceBounds[i] = 0.0; } if (this->GetClippedPlaneBounds( m_WorldGeometry->GetReferenceGeometry(), planeGeometry, sliceBounds )) { // Calculate output extent (integer values) xMin = static_cast< int >( sliceBounds[0] / m_OutPutSpacing[0] + 0.5 ); xMax = static_cast< int >( sliceBounds[1] / m_OutPutSpacing[0] + 0.5 ); yMin = static_cast< int >( sliceBounds[2] / m_OutPutSpacing[1] + 0.5 ); yMax = static_cast< int >( sliceBounds[3] / m_OutPutSpacing[1] + 0.5 ); } // ELSE we use the default values } // Set the output extents! First included pixel index and last included pixel index // xMax and yMax are one after the last pixel. so they have to be decremented by 1. // In case we have a 2D image, xMax or yMax might be 0. in this case, do not decrement, but take 0. m_Reslicer->SetOutputExtent(xMin, std::max(0, xMax-1), yMin, std::max(0, yMax-1), m_ZMin, m_ZMax ); /*========== END setup extent of the slice ==========*/ m_Reslicer->SetOutputOrigin( 0.0, 0.0, 0.0 ); m_Reslicer->SetOutputSpacing( m_OutPutSpacing[0], m_OutPutSpacing[1], m_ZSpacing ); //TODO check the following lines, they are responsible wether vtk error outputs appear or not m_Reslicer->UpdateWholeExtent(); //this produces a bad allocation error for 2D images //m_Reslicer->GetOutput()->UpdateInformation(); //m_Reslicer->GetOutput()->SetUpdateExtentToWholeExtent(); //start the pipeline m_Reslicer->Update(); /*================ #END setup vtkImageRslice properties================*/ if(m_VtkOutputRequested){ return; //no converting to mitk //no mitk geometry will be set, as the output is vtkImageData only!!! } else { /*================ #BEGIN Get the slice from vtkImageReslice and convert it to mit::Image================*/ vtkImageData* reslicedImage; reslicedImage = m_Reslicer->GetOutput(); if(!reslicedImage) { itkWarningMacro(<<"Reslicer returned empty image"); return; } mitk::Image::Pointer resultImage = this->GetOutput(); //initialize resultimage with the specs of the vtkImageData object returned from vtkImageReslice if (reslicedImage->GetDataDimension() == 1) { // If original image was 2D, the slice might have an y extent of 0. // Still i want to ensure here that Image is 2D resultImage->Initialize(reslicedImage,1,-1,-1,1); } else { resultImage->Initialize(reslicedImage); } //transfer the voxel data resultImage->SetVolume(reslicedImage->GetScalarPointer()); //set the geometry from current worldgeometry for the reusultimage //this is needed that the image has the correct mitk geometry //the originalGeometry is the Geometry of the result slice // mitk::AffineGeometryFrame3D::Pointer originalGeometryAGF = m_WorldGeometry->Clone(); // Geometry2D::Pointer originalGeometry = dynamic_cast( originalGeometryAGF.GetPointer() ); Geometry2D::Pointer originalGeometry = m_WorldGeometry->Clone(); originalGeometry->GetIndexToWorldTransform()->SetMatrix(m_WorldGeometry->GetIndexToWorldTransform()->GetMatrix()); Point3D sliceOrigin = originalGeometry->GetOrigin(); if( !(m_WorldGeometry->GetImageGeometry())) { //the origin of the worldGeometry is transformed to center based coordinates to be an imageGeometry originalGeometry->ChangeImageGeometryConsideringOriginOffset(true); } /*At this point we have to adjust the geometry because the origin isn't correct. The wrong origin is related to the rotation of the current world geometry plane. This causes errors on transfering world to index coordinates. We just shift the origin in each direction about the amount of the expanding (needed while rotating the plane). */ Vector3D axis0 = originalGeometry->GetAxisVector(0); Vector3D axis1 = originalGeometry->GetAxisVector(1); axis0.Normalize(); axis1.Normalize(); //adapt the origin. Note that for orthogonal planes the minima are '0' and thus the origin stays the same. sliceOrigin += (axis0 * (xMin * m_OutPutSpacing[0])) + (axis1 * (yMin * m_OutPutSpacing[1])); originalGeometry->SetOrigin(sliceOrigin); originalGeometry->Modified(); resultImage->SetGeometry( originalGeometry ); /*the bounds as well as the extent of the worldGeometry are not adapted correctly during crosshair rotation. This is only a quick fix and has to be evaluated. The new bounds are set via the max values of the calcuted slice extent. It will look like [ 0, x, 0, y, 0, 1]. */ mitk::BoundingBox::BoundsArrayType boundsCopy; boundsCopy[0] = boundsCopy[2] = boundsCopy[4] = 0; boundsCopy[5] = 1; boundsCopy[1] = xMax - xMin; boundsCopy[3] = yMax - yMin; resultImage->GetGeometry()->SetBounds(boundsCopy); /*================ #END Get the slice from vtkImageReslice and convert it to mitk Image================*/ } } bool mitk::ExtractSliceFilter::GetClippedPlaneBounds(vtkFloatingPointType bounds[6]){ if(!m_WorldGeometry || !this->GetInput()) return false; return this->GetClippedPlaneBounds(m_WorldGeometry->GetReferenceGeometry(), dynamic_cast< const PlaneGeometry * >( m_WorldGeometry ), bounds); } bool mitk::ExtractSliceFilter::GetClippedPlaneBounds( const Geometry3D *boundingGeometry, const PlaneGeometry *planeGeometry, vtkFloatingPointType *bounds ) { bool b = mitk::PlaneClipping::CalculateClippedPlaneBounds(boundingGeometry, planeGeometry, bounds); return b; } diff --git a/Core/Code/Rendering/mitkImageVtkMapper2D.cpp b/Core/Code/Rendering/mitkImageVtkMapper2D.cpp index 7d6a88dfef..c50dfecbe9 100644 --- a/Core/Code/Rendering/mitkImageVtkMapper2D.cpp +++ b/Core/Code/Rendering/mitkImageVtkMapper2D.cpp @@ -1,1077 +1,1077 @@ /*=================================================================== 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. ===================================================================*/ //MITK #include #include #include #include #include #include #include #include #include #include #include #include //#include #include #include "mitkImageStatisticsHolder.h" #include "mitkPlaneClipping.h" //MITK Rendering #include "mitkImageVtkMapper2D.h" #include "vtkMitkThickSlicesFilter.h" #include "vtkMitkLevelWindowFilter.h" #include "vtkNeverTranslucentTexture.h" //VTK #include #include #include #include #include #include #include #include #include #include #include #include #include #include //ITK #include #include mitk::ImageVtkMapper2D::ImageVtkMapper2D() { } mitk::ImageVtkMapper2D::~ImageVtkMapper2D() { //The 3D RW Mapper (Geometry2DDataVtkMapper3D) is listening to this event, //in order to delete the images from the 3D RW. this->InvokeEvent( itk::DeleteEvent() ); } //set the two points defining the textured plane according to the dimension and spacing void mitk::ImageVtkMapper2D::GeneratePlane(mitk::BaseRenderer* renderer, vtkFloatingPointType planeBounds[6]) { LocalStorage *localStorage = m_LSH.GetLocalStorage(renderer); float depth = this->CalculateLayerDepth(renderer); //Set the origin to (xMin; yMin; depth) of the plane. This is necessary for obtaining the correct //plane size in crosshair rotation and swivel mode. localStorage->m_Plane->SetOrigin(planeBounds[0], planeBounds[2], depth); //These two points define the axes of the plane in combination with the origin. //Point 1 is the x-axis and point 2 the y-axis. //Each plane is transformed according to the view (axial, coronal and saggital) afterwards. localStorage->m_Plane->SetPoint1(planeBounds[1] , planeBounds[2], depth); //P1: (xMax, yMin, depth) localStorage->m_Plane->SetPoint2(planeBounds[0], planeBounds[3], depth); //P2: (xMin, yMax, depth) } float mitk::ImageVtkMapper2D::CalculateLayerDepth(mitk::BaseRenderer* renderer) { //get the clipping range to check how deep into z direction we can render images double maxRange = renderer->GetVtkRenderer()->GetActiveCamera()->GetClippingRange()[1]; //Due to a VTK bug, we cannot use the whole clipping range. /100 is empirically determined float depth = -maxRange*0.01; // divide by 100 int layer = 0; GetDataNode()->GetIntProperty( "layer", layer, renderer); //add the layer property for each image to render images with a higher layer on top of the others depth += layer*10; //*10: keep some room for each image (e.g. for QBalls in between) if(depth > 0.0f) { depth = 0.0f; MITK_WARN << "Layer value exceeds clipping range. Set to minimum instead."; } return depth; } const mitk::Image* mitk::ImageVtkMapper2D::GetInput( void ) { return static_cast< const mitk::Image * >( GetDataNode()->GetData() ); } vtkProp* mitk::ImageVtkMapper2D::GetVtkProp(mitk::BaseRenderer* renderer) { //return the actor corresponding to the renderer return m_LSH.GetLocalStorage(renderer)->m_Actors; } void mitk::ImageVtkMapper2D::GenerateDataForRenderer( mitk::BaseRenderer *renderer ) { LocalStorage *localStorage = m_LSH.GetLocalStorage(renderer); mitk::Image *input = const_cast< mitk::Image * >( this->GetInput() ); mitk::DataNode* datanode = this->GetDataNode(); if ( input == NULL || input->IsInitialized() == false ) { return; } //check if there is a valid worldGeometry const Geometry2D *worldGeometry = renderer->GetCurrentWorldGeometry2D(); if( ( worldGeometry == NULL ) || ( !worldGeometry->IsValid() ) || ( !worldGeometry->HasReferenceGeometry() )) { return; } input->Update(); // early out if there is no intersection of the current rendering geometry // and the geometry of the image that is to be rendered. if ( !RenderingGeometryIntersectsImage( worldGeometry, input->GetSlicedGeometry() ) ) { // set image to NULL, to clear the texture in 3D, because // the latest image is used there if the plane is out of the geometry // see bug-13275 localStorage->m_ReslicedImage = NULL; localStorage->m_Mapper->SetInput( localStorage->m_EmptyPolyData ); return; } //set main input for ExtractSliceFilter localStorage->m_Reslicer->SetInput(input); localStorage->m_Reslicer->SetWorldGeometry(worldGeometry); localStorage->m_Reslicer->SetTimeStep( this->GetTimestep() ); //set the transformation of the image to adapt reslice axis - localStorage->m_Reslicer->SetResliceTransformByGeometry( input->GetTimeSlicedGeometry()->GetGeometry3D( this->GetTimestep() ) ); + //localStorage->m_Reslicer->SetResliceTransformByGeometry( input->GetTimeSlicedGeometry()->GetGeometry3D( this->GetTimestep() ) ); //is the geometry of the slice based on the input image or the worldgeometry? bool inPlaneResampleExtentByGeometry = false; datanode->GetBoolProperty("in plane resample extent by geometry", inPlaneResampleExtentByGeometry, renderer); localStorage->m_Reslicer->SetInPlaneResampleExtentByGeometry(inPlaneResampleExtentByGeometry); // Initialize the interpolation mode for resampling; switch to nearest // neighbor if the input image is too small. if ( (input->GetDimension() >= 3) && (input->GetDimension(2) > 1) ) { VtkResliceInterpolationProperty *resliceInterpolationProperty; datanode->GetProperty( resliceInterpolationProperty, "reslice interpolation" ); int interpolationMode = VTK_RESLICE_NEAREST; if ( resliceInterpolationProperty != NULL ) { interpolationMode = resliceInterpolationProperty->GetInterpolation(); } switch ( interpolationMode ) { case VTK_RESLICE_NEAREST: localStorage->m_Reslicer->SetInterpolationMode(ExtractSliceFilter::RESLICE_NEAREST); break; case VTK_RESLICE_LINEAR: localStorage->m_Reslicer->SetInterpolationMode(ExtractSliceFilter::RESLICE_LINEAR); break; case VTK_RESLICE_CUBIC: localStorage->m_Reslicer->SetInterpolationMode(ExtractSliceFilter::RESLICE_CUBIC); break; } } else { localStorage->m_Reslicer->SetInterpolationMode(ExtractSliceFilter::RESLICE_NEAREST); } //set the vtk output property to true, makes sure that no unneeded mitk image convertion //is done. localStorage->m_Reslicer->SetVtkOutputRequest(true); //Thickslicing int thickSlicesMode = 0; int thickSlicesNum = 1; // Thick slices parameters if( input->GetPixelType().GetNumberOfComponents() == 1 ) // for now only single component are allowed { DataNode *dn=renderer->GetCurrentWorldGeometry2DNode(); if(dn) { ResliceMethodProperty *resliceMethodEnumProperty=0; if( dn->GetProperty( resliceMethodEnumProperty, "reslice.thickslices" ) && resliceMethodEnumProperty ) thickSlicesMode = resliceMethodEnumProperty->GetValueAsId(); IntProperty *intProperty=0; if( dn->GetProperty( intProperty, "reslice.thickslices.num" ) && intProperty ) { thickSlicesNum = intProperty->GetValue(); if(thickSlicesNum < 1) thickSlicesNum=1; if(thickSlicesNum > 10) thickSlicesNum=10; } } else { MITK_WARN << "no associated widget plane data tree node found"; } } const PlaneGeometry *planeGeometry = dynamic_cast< const PlaneGeometry * >( worldGeometry ); if(thickSlicesMode > 0) { double dataZSpacing = 1.0; Vector3D normInIndex, normal; if ( planeGeometry != NULL ){ normal = planeGeometry->GetNormal(); }else{ const mitk::AbstractTransformGeometry* abstractGeometry = dynamic_cast< const AbstractTransformGeometry * >(worldGeometry); if(abstractGeometry != NULL) normal = abstractGeometry->GetPlane()->GetNormal(); else return; //no fitting geometry set } normal.Normalize(); input->GetTimeSlicedGeometry()->GetGeometry3D( this->GetTimestep() )->WorldToIndex( normal, normInIndex ); dataZSpacing = 1.0 / normInIndex.GetNorm(); localStorage->m_Reslicer->SetOutputDimensionality( 3 ); localStorage->m_Reslicer->SetOutputSpacingZDirection(dataZSpacing); localStorage->m_Reslicer->SetOutputExtentZDirection( -thickSlicesNum, 0+thickSlicesNum ); // Do the reslicing. Modified() is called to make sure that the reslicer is // executed even though the input geometry information did not change; this // is necessary when the input /em data, but not the /em geometry changes. localStorage->m_TSFilter->SetThickSliceMode( thickSlicesMode-1 ); localStorage->m_TSFilter->SetInput( localStorage->m_Reslicer->GetVtkOutput() ); //vtkFilter=>mitkFilter=>vtkFilter update mechanism will fail without calling manually localStorage->m_Reslicer->Modified(); localStorage->m_Reslicer->Update(); localStorage->m_TSFilter->Modified(); localStorage->m_TSFilter->Update(); localStorage->m_ReslicedImage = localStorage->m_TSFilter->GetOutput(); } else { //this is needed when thick mode was enable bevore. These variable have to be reset to default values localStorage->m_Reslicer->SetOutputDimensionality( 2 ); localStorage->m_Reslicer->SetOutputSpacingZDirection(1.0); localStorage->m_Reslicer->SetOutputExtentZDirection( 0, 0 ); localStorage->m_Reslicer->Modified(); //start the pipeline with updating the largest possible, needed if the geometry of the input has changed localStorage->m_Reslicer->UpdateLargestPossibleRegion(); localStorage->m_ReslicedImage = localStorage->m_Reslicer->GetVtkOutput(); } // Bounds information for reslicing (only reuqired if reference geometry // is present) //this used for generating a vtkPLaneSource with the right size vtkFloatingPointType sliceBounds[6]; for ( int i = 0; i < 6; ++i ) { sliceBounds[i] = 0.0; } localStorage->m_Reslicer->GetClippedPlaneBounds(sliceBounds); //get the spacing of the slice localStorage->m_mmPerPixel = localStorage->m_Reslicer->GetOutputSpacing(); // calculate minimum bounding rect of IMAGE in texture { vtkFloatingPointType textureClippingBounds[6]; for ( int i = 0; i < 6; ++i ) { textureClippingBounds[i] = 0.0; } // Calculate the actual bounds of the transformed plane clipped by the // dataset bounding box; this is required for drawing the texture at the // correct position during 3D mapping. mitk::PlaneClipping::CalculateClippedPlaneBounds( input->GetGeometry(), planeGeometry, textureClippingBounds ); textureClippingBounds[0] = static_cast< int >( textureClippingBounds[0] / localStorage->m_mmPerPixel[0] + 0.5 ); textureClippingBounds[1] = static_cast< int >( textureClippingBounds[1] / localStorage->m_mmPerPixel[0] + 0.5 ); textureClippingBounds[2] = static_cast< int >( textureClippingBounds[2] / localStorage->m_mmPerPixel[1] + 0.5 ); textureClippingBounds[3] = static_cast< int >( textureClippingBounds[3] / localStorage->m_mmPerPixel[1] + 0.5 ); //clipping bounds for cutting the image localStorage->m_LevelWindowFilter->SetClippingBounds(textureClippingBounds); } //get the number of scalar components to distinguish between different image types int numberOfComponents = localStorage->m_ReslicedImage->GetNumberOfScalarComponents(); //get the binary property bool binary = false; bool binaryOutline = false; datanode->GetBoolProperty( "binary", binary, renderer ); if(binary) //binary image { datanode->GetBoolProperty( "outline binary", binaryOutline, renderer ); if(binaryOutline) //contour rendering { if ( input->GetPixelType().GetBpe() <= 8 ) { //generate contours/outlines localStorage->m_OutlinePolyData = CreateOutlinePolyData(renderer); float binaryOutlineWidth(1.0); if ( datanode->GetFloatProperty( "outline width", binaryOutlineWidth, renderer ) ) { if ( localStorage->m_Actors->GetNumberOfPaths() > 1 ) { float binaryOutlineShadowWidth(1.5); datanode->GetFloatProperty( "outline shadow width", binaryOutlineShadowWidth, renderer ); dynamic_cast(localStorage->m_Actors->GetParts()->GetItemAsObject(0)) ->GetProperty()->SetLineWidth( binaryOutlineWidth * binaryOutlineShadowWidth ); } localStorage->m_Actor->GetProperty()->SetLineWidth( binaryOutlineWidth ); } } else { binaryOutline = false; this->ApplyLookuptable(renderer); MITK_WARN << "Type of all binary images should be (un)signed char. Outline does not work on other pixel types!"; } } else //standard binary image { if(numberOfComponents != 1) { MITK_ERROR << "Rendering Error: Binary Images with more then 1 component are not supported!"; } } } if (!(numberOfComponents == 1 || numberOfComponents == 3 || numberOfComponents == 4)) { MITK_WARN << "Unknown number of components!"; } this->ApplyOpacity( renderer ); this->ApplyRenderingMode(renderer); // do not use a VTK lookup table (we do that ourselves in m_LevelWindowFilter) localStorage->m_Texture->MapColorScalarsThroughLookupTableOff(); //connect the input with the levelwindow filter localStorage->m_LevelWindowFilter->SetInput(localStorage->m_ReslicedImage); //connect the texture with the output of the levelwindow filter // check for texture interpolation property bool textureInterpolation = false; GetDataNode()->GetBoolProperty( "texture interpolation", textureInterpolation, renderer ); //set the interpolation modus according to the property localStorage->m_Texture->SetInterpolate(textureInterpolation); localStorage->m_Texture->SetInputConnection(localStorage->m_LevelWindowFilter->GetOutputPort()); this->TransformActor( renderer ); vtkActor* contourShadowActor = dynamic_cast (localStorage->m_Actors->GetParts()->GetItemAsObject(0)); if(binary && binaryOutline) //connect the mapper with the polyData which contains the lines { //We need the contour for the binary outline property as actor localStorage->m_Mapper->SetInput(localStorage->m_OutlinePolyData); localStorage->m_Actor->SetTexture(NULL); //no texture for contours bool binaryOutlineShadow( false ); datanode->GetBoolProperty( "outline binary shadow", binaryOutlineShadow, renderer ); if ( binaryOutlineShadow ) contourShadowActor->SetVisibility( true ); else contourShadowActor->SetVisibility( false ); } else { //Connect the mapper with the input texture. This is the standard case. //setup the textured plane this->GeneratePlane( renderer, sliceBounds ); //set the plane as input for the mapper localStorage->m_Mapper->SetInputConnection(localStorage->m_Plane->GetOutputPort()); //set the texture for the actor localStorage->m_Actor->SetTexture(localStorage->m_Texture); contourShadowActor->SetVisibility( false ); } // We have been modified => save this for next Update() localStorage->m_LastUpdateTime.Modified(); } void mitk::ImageVtkMapper2D::ApplyLevelWindow(mitk::BaseRenderer *renderer) { LocalStorage *localStorage = this->GetLocalStorage( renderer ); LevelWindow levelWindow; this->GetDataNode()->GetLevelWindow( levelWindow, renderer, "levelwindow" ); localStorage->m_LevelWindowFilter->GetLookupTable()->SetRange( levelWindow.GetLowerWindowBound(), levelWindow.GetUpperWindowBound() ); mitk::LevelWindow opacLevelWindow; if( this->GetDataNode()->GetLevelWindow( opacLevelWindow, renderer, "opaclevelwindow" ) ) { //pass the opaque level window to the filter localStorage->m_LevelWindowFilter->SetMinOpacity(opacLevelWindow.GetLowerWindowBound()); localStorage->m_LevelWindowFilter->SetMaxOpacity(opacLevelWindow.GetUpperWindowBound()); } else { //no opaque level window localStorage->m_LevelWindowFilter->SetMinOpacity(0.0); localStorage->m_LevelWindowFilter->SetMaxOpacity(255.0); } } void mitk::ImageVtkMapper2D::ApplyColor( mitk::BaseRenderer* renderer ) { LocalStorage *localStorage = this->GetLocalStorage( renderer ); float rgb[3]= { 1.0f, 1.0f, 1.0f }; // check for color prop and use it for rendering if it exists // binary image hovering & binary image selection bool hover = false; bool selected = false; GetDataNode()->GetBoolProperty("binaryimage.ishovering", hover, renderer); GetDataNode()->GetBoolProperty("selected", selected, renderer); if(hover && !selected) { mitk::ColorProperty::Pointer colorprop = dynamic_cast(GetDataNode()->GetProperty ("binaryimage.hoveringcolor", renderer)); if(colorprop.IsNotNull()) { memcpy(rgb, colorprop->GetColor().GetDataPointer(), 3*sizeof(float)); } else { GetDataNode()->GetColor( rgb, renderer, "color" ); } } if(selected) { mitk::ColorProperty::Pointer colorprop = dynamic_cast(GetDataNode()->GetProperty ("binaryimage.selectedcolor", renderer)); if(colorprop.IsNotNull()) { memcpy(rgb, colorprop->GetColor().GetDataPointer(), 3*sizeof(float)); } else { GetDataNode()->GetColor(rgb, renderer, "color"); } } if(!hover && !selected) { GetDataNode()->GetColor( rgb, renderer, "color" ); } double rgbConv[3] = {(double)rgb[0], (double)rgb[1], (double)rgb[2]}; //conversion to double for VTK dynamic_cast (localStorage->m_Actors->GetParts()->GetItemAsObject(0))->GetProperty()->SetColor(rgbConv); localStorage->m_Actor->GetProperty()->SetColor(rgbConv); if ( localStorage->m_Actors->GetParts()->GetNumberOfItems() > 1 ) { float rgb[3]= { 1.0f, 1.0f, 1.0f }; mitk::ColorProperty::Pointer colorprop = dynamic_cast(GetDataNode()->GetProperty ("outline binary shadow color", renderer)); if(colorprop.IsNotNull()) { memcpy(rgb, colorprop->GetColor().GetDataPointer(), 3*sizeof(float)); } double rgbConv[3] = {(double)rgb[0], (double)rgb[1], (double)rgb[2]}; //conversion to double for VTK dynamic_cast( localStorage->m_Actors->GetParts()->GetItemAsObject(0) )->GetProperty()->SetColor(rgbConv); } } void mitk::ImageVtkMapper2D::ApplyOpacity( mitk::BaseRenderer* renderer ) { LocalStorage* localStorage = this->GetLocalStorage( renderer ); float opacity = 1.0f; // check for opacity prop and use it for rendering if it exists GetDataNode()->GetOpacity( opacity, renderer, "opacity" ); //set the opacity according to the properties localStorage->m_Actor->GetProperty()->SetOpacity(opacity); if ( localStorage->m_Actors->GetParts()->GetNumberOfItems() > 1 ) { dynamic_cast( localStorage->m_Actors->GetParts()->GetItemAsObject(0) )->GetProperty()->SetOpacity(opacity); } } void mitk::ImageVtkMapper2D::ApplyRenderingMode( mitk::BaseRenderer* renderer ) { LocalStorage* localStorage = m_LSH.GetLocalStorage(renderer); bool binary = false; this->GetDataNode()->GetBoolProperty( "binary", binary, renderer ); if(binary) // is it a binary image? { //for binary images, we always use our default LuT and map every value to (0,1) //the opacity of 0 will always be 0.0. We never a apply a LuT/TfF nor a level window. localStorage->m_LevelWindowFilter->SetLookupTable(localStorage->m_BinaryLookupTable); } else { //all other image types can make use of the rendering mode int renderingMode = mitk::RenderingModeProperty::LEVELWINDOW_COLOR; mitk::RenderingModeProperty::Pointer mode = dynamic_cast(this->GetDataNode()->GetProperty( "Image Rendering.Mode", renderer )); if(mode.IsNotNull()) { renderingMode = mode->GetRenderingMode(); } switch(renderingMode) { case mitk::RenderingModeProperty::LEVELWINDOW_COLOR: MITK_DEBUG << "'Image Rendering.Mode' = LevelWindow_Color"; localStorage->m_LevelWindowFilter->SetLookupTable( localStorage->m_DefaultLookupTable ); this->ApplyLevelWindow( renderer ); break; case mitk::RenderingModeProperty::LOOKUPTABLE_LEVELWINDOW_COLOR: MITK_DEBUG << "'Image Rendering.Mode' = LevelWindow_LookupTable_Color"; this->ApplyLookuptable( renderer ); this->ApplyLevelWindow( renderer ); break; case mitk::RenderingModeProperty::COLORTRANSFERFUNCTION_LEVELWINDOW_COLOR: MITK_DEBUG << "'Image Rendering.Mode' = LevelWindow_ColorTransferFunction_Color"; this->ApplyColorTransferFunction( renderer ); this->ApplyLevelWindow( renderer ); break; case mitk::RenderingModeProperty::LOOKUPTABLE_COLOR: MITK_DEBUG << "'Image Rendering.Mode' = LookupTable_Color"; this->ApplyLookuptable( renderer ); break; case mitk::RenderingModeProperty::COLORTRANSFERFUNCTION_COLOR: MITK_DEBUG << "'Image Rendering.Mode' = ColorTransferFunction_Color"; this->ApplyColorTransferFunction( renderer ); break; default: MITK_ERROR << "No valid 'Image Rendering.Mode' set"; break; } } //we apply color for all images (including binaries). this->ApplyColor( renderer ); } void mitk::ImageVtkMapper2D::ApplyLookuptable( mitk::BaseRenderer* renderer ) { LocalStorage* localStorage = m_LSH.GetLocalStorage(renderer); vtkLookupTable* usedLookupTable = localStorage->m_ColorLookupTable; // If lookup table or transferfunction use is requested... mitk::LookupTableProperty::Pointer lookupTableProp = dynamic_cast(this->GetDataNode()->GetProperty("LookupTable")); if( lookupTableProp.IsNotNull() ) // is a lookuptable set? { usedLookupTable = lookupTableProp->GetLookupTable()->GetVtkLookupTable(); } else { MITK_WARN << "Image Rendering.Mode was set to use a lookup table but there is no property 'LookupTable'. A default (rainbow) lookup table will be used."; } localStorage->m_LevelWindowFilter->SetLookupTable(usedLookupTable); } void mitk::ImageVtkMapper2D::ApplyColorTransferFunction(mitk::BaseRenderer *renderer) { mitk::TransferFunctionProperty::Pointer transferFunctionProp = dynamic_cast(this->GetDataNode()->GetProperty("Image Rendering.Transfer Function",renderer )); if( transferFunctionProp.IsNull() ) { MITK_ERROR << "'Image Rendering.Mode'' was set to use a color transfer function but there is no property 'Image Rendering.Transfer Function'. Nothing will be done."; return; } LocalStorage* localStorage = m_LSH.GetLocalStorage(renderer); //pass the transfer function to our level window filter localStorage->m_LevelWindowFilter->SetLookupTable(transferFunctionProp->GetValue()->GetColorTransferFunction()); } void mitk::ImageVtkMapper2D::Update(mitk::BaseRenderer* renderer) { bool visible = true; GetDataNode()->GetVisibility(visible, renderer, "visible"); if ( !visible ) { return; } mitk::Image* data = const_cast( this->GetInput() ); if ( data == NULL ) { return; } // Calculate time step of the input data for the specified renderer (integer value) this->CalculateTimeStep( renderer ); // Check if time step is valid const TimeSlicedGeometry *dataTimeGeometry = data->GetTimeSlicedGeometry(); if ( ( dataTimeGeometry == NULL ) || ( dataTimeGeometry->GetTimeSteps() == 0 ) || ( !dataTimeGeometry->IsValidTime( this->GetTimestep() ) ) ) { return; } const DataNode *node = this->GetDataNode(); data->UpdateOutputInformation(); LocalStorage *localStorage = m_LSH.GetLocalStorage(renderer); //check if something important has changed and we need to rerender if ( (localStorage->m_LastUpdateTime < node->GetMTime()) //was the node modified? || (localStorage->m_LastUpdateTime < data->GetPipelineMTime()) //Was the data modified? || (localStorage->m_LastUpdateTime < renderer->GetCurrentWorldGeometry2DUpdateTime()) //was the geometry modified? || (localStorage->m_LastUpdateTime < renderer->GetCurrentWorldGeometry2D()->GetMTime()) || (localStorage->m_LastUpdateTime < node->GetPropertyList()->GetMTime()) //was a property modified? || (localStorage->m_LastUpdateTime < node->GetPropertyList(renderer)->GetMTime()) ) { this->GenerateDataForRenderer( renderer ); } // since we have checked that nothing important has changed, we can set // m_LastUpdateTime to the current time localStorage->m_LastUpdateTime.Modified(); } void mitk::ImageVtkMapper2D::SetDefaultProperties(mitk::DataNode* node, mitk::BaseRenderer* renderer, bool overwrite) { mitk::Image::Pointer image = dynamic_cast(node->GetData()); // Properties common for both images and segmentations node->AddProperty( "depthOffset", mitk::FloatProperty::New( 0.0 ), renderer, overwrite ); node->AddProperty( "outline binary", mitk::BoolProperty::New( false ), renderer, overwrite ); node->AddProperty( "outline width", mitk::FloatProperty::New( 1.0 ), renderer, overwrite ); node->AddProperty( "outline binary shadow", mitk::BoolProperty::New( false ), renderer, overwrite ); node->AddProperty( "outline binary shadow color", ColorProperty::New(0.0,0.0,0.0), renderer, overwrite ); node->AddProperty( "outline shadow width", mitk::FloatProperty::New( 1.5 ), renderer, overwrite ); if(image->IsRotated()) node->AddProperty( "reslice interpolation", mitk::VtkResliceInterpolationProperty::New(VTK_RESLICE_CUBIC) ); else node->AddProperty( "reslice interpolation", mitk::VtkResliceInterpolationProperty::New() ); node->AddProperty( "texture interpolation", mitk::BoolProperty::New( mitk::DataNodeFactory::m_TextureInterpolationActive ) ); // set to user configurable default value (see global options) node->AddProperty( "in plane resample extent by geometry", mitk::BoolProperty::New( false ) ); node->AddProperty( "bounding box", mitk::BoolProperty::New( false ) ); mitk::RenderingModeProperty::Pointer renderingModeProperty = mitk::RenderingModeProperty::New(); node->AddProperty( "Image Rendering.Mode", renderingModeProperty); std::string photometricInterpretation; // DICOM tag telling us how pixel values should be displayed if ( node->GetStringProperty( "dicom.pixel.PhotometricInterpretation", photometricInterpretation ) ) { // modality provided by DICOM or other reader if ( photometricInterpretation.find("MONOCHROME1") != std::string::npos ) // meaning: display MINIMUM pixels as WHITE { // generate LUT (white to black) mitk::LookupTable::Pointer mitkLut = mitk::LookupTable::New(); vtkLookupTable* bwLut = mitkLut->GetVtkLookupTable(); bwLut->SetTableRange (0, 1); bwLut->SetSaturationRange (0, 0); bwLut->SetHueRange (0, 0); bwLut->SetValueRange (1, 0); bwLut->SetAlphaRange (1, 1); bwLut->SetRampToLinear(); bwLut->Build(); mitk::LookupTableProperty::Pointer mitkLutProp = mitk::LookupTableProperty::New(); mitkLutProp->SetLookupTable(mitkLut); node->SetProperty( "LookupTable", mitkLutProp ); } else if ( photometricInterpretation.find("MONOCHROME2") != std::string::npos ) // meaning: display MINIMUM pixels as BLACK { // apply default LUT (black to white) node->SetProperty( "color", mitk::ColorProperty::New( 1,1,1 ), renderer ); } // PALETTE interpretation should be handled ok by RGB loading } bool isBinaryImage(false); if ( ! node->GetBoolProperty("binary", isBinaryImage) ) { // ok, property is not set, use heuristic to determine if this // is a binary image mitk::Image::Pointer centralSliceImage; ScalarType minValue = 0.0; ScalarType maxValue = 0.0; ScalarType min2ndValue = 0.0; ScalarType max2ndValue = 0.0; mitk::ImageSliceSelector::Pointer sliceSelector = mitk::ImageSliceSelector::New(); sliceSelector->SetInput(image); sliceSelector->SetSliceNr(image->GetDimension(2)/2); sliceSelector->SetTimeNr(image->GetDimension(3)/2); sliceSelector->SetChannelNr(image->GetDimension(4)/2); sliceSelector->Update(); centralSliceImage = sliceSelector->GetOutput(); if ( centralSliceImage.IsNotNull() && centralSliceImage->IsInitialized() ) { minValue = centralSliceImage->GetStatistics()->GetScalarValueMin(); maxValue = centralSliceImage->GetStatistics()->GetScalarValueMax(); min2ndValue = centralSliceImage->GetStatistics()->GetScalarValue2ndMin(); max2ndValue = centralSliceImage->GetStatistics()->GetScalarValue2ndMax(); } if ((maxValue == min2ndValue && minValue == max2ndValue) || minValue == maxValue) { // centralSlice is strange, lets look at all data minValue = image->GetStatistics()->GetScalarValueMin(); maxValue = image->GetStatistics()->GetScalarValueMaxNoRecompute(); min2ndValue = image->GetStatistics()->GetScalarValue2ndMinNoRecompute(); max2ndValue = image->GetStatistics()->GetScalarValue2ndMaxNoRecompute(); } isBinaryImage = ( maxValue == min2ndValue && minValue == max2ndValue ); } // some more properties specific for a binary... if (isBinaryImage) { node->AddProperty( "opacity", mitk::FloatProperty::New(0.3f), renderer, overwrite ); node->AddProperty( "color", ColorProperty::New(1.0,0.0,0.0), renderer, overwrite ); node->AddProperty( "binaryimage.selectedcolor", ColorProperty::New(1.0,0.0,0.0), renderer, overwrite ); node->AddProperty( "binaryimage.selectedannotationcolor", ColorProperty::New(1.0,0.0,0.0), renderer, overwrite ); node->AddProperty( "binaryimage.hoveringcolor", ColorProperty::New(1.0,0.0,0.0), renderer, overwrite ); node->AddProperty( "binaryimage.hoveringannotationcolor", ColorProperty::New(1.0,0.0,0.0), renderer, overwrite ); node->AddProperty( "binary", mitk::BoolProperty::New( true ), renderer, overwrite ); node->AddProperty("layer", mitk::IntProperty::New(10), renderer, overwrite); } else //...or image type object { node->AddProperty( "opacity", mitk::FloatProperty::New(1.0f), renderer, overwrite ); node->AddProperty( "color", ColorProperty::New(1.0,1.0,1.0), renderer, overwrite ); node->AddProperty( "binary", mitk::BoolProperty::New( false ), renderer, overwrite ); node->AddProperty("layer", mitk::IntProperty::New(0), renderer, overwrite); } if(image.IsNotNull() && image->IsInitialized()) { if((overwrite) || (node->GetProperty("levelwindow", renderer)==NULL)) { /* initialize level/window from DICOM tags */ std::string sLevel; std::string sWindow; if ( image->GetPropertyList()->GetStringProperty( "dicom.voilut.WindowCenter", sLevel ) && image->GetPropertyList()->GetStringProperty( "dicom.voilut.WindowWidth", sWindow ) ) { float level = atof( sLevel.c_str() ); float window = atof( sWindow.c_str() ); mitk::LevelWindow contrast; std::string sSmallestPixelValueInSeries; std::string sLargestPixelValueInSeries; if ( image->GetPropertyList()->GetStringProperty( "dicom.series.SmallestPixelValueInSeries", sSmallestPixelValueInSeries ) && image->GetPropertyList()->GetStringProperty( "dicom.series.LargestPixelValueInSeries", sLargestPixelValueInSeries ) ) { float smallestPixelValueInSeries = atof( sSmallestPixelValueInSeries.c_str() ); float largestPixelValueInSeries = atof( sLargestPixelValueInSeries.c_str() ); contrast.SetRangeMinMax( smallestPixelValueInSeries-1, largestPixelValueInSeries+1 ); // why not a little buffer? // might remedy some l/w widget challenges } else { contrast.SetAuto( static_cast(node->GetData()), false, true ); // we need this as a fallback } contrast.SetLevelWindow( level, window, true ); node->SetProperty( "levelwindow", LevelWindowProperty::New( contrast ), renderer ); } } if(((overwrite) || (node->GetProperty("opaclevelwindow", renderer)==NULL)) && (image->GetPixelType().GetPixelType() == itk::ImageIOBase::RGBA) && (image->GetPixelType().GetComponentType() == itk::ImageIOBase::UCHAR) ) { mitk::LevelWindow opaclevwin; opaclevwin.SetRangeMinMax(0,255); opaclevwin.SetWindowBounds(0,255); mitk::LevelWindowProperty::Pointer prop = mitk::LevelWindowProperty::New(opaclevwin); node->SetProperty( "opaclevelwindow", prop, renderer ); } } Superclass::SetDefaultProperties(node, renderer, overwrite); } mitk::ImageVtkMapper2D::LocalStorage* mitk::ImageVtkMapper2D::GetLocalStorage(mitk::BaseRenderer* renderer) { return m_LSH.GetLocalStorage(renderer); } vtkSmartPointer mitk::ImageVtkMapper2D::CreateOutlinePolyData(mitk::BaseRenderer* renderer ){ LocalStorage* localStorage = this->GetLocalStorage(renderer); //get the min and max index values of each direction int* extent = localStorage->m_ReslicedImage->GetExtent(); int xMin = extent[0]; int xMax = extent[1]; int yMin = extent[2]; int yMax = extent[3]; int* dims = localStorage->m_ReslicedImage->GetDimensions(); //dimensions of the image int line = dims[0]; //how many pixels per line? int x = xMin; //pixel index x int y = yMin; //pixel index y char* currentPixel; //get the depth for each contour float depth = CalculateLayerDepth(renderer); vtkSmartPointer points = vtkSmartPointer::New(); //the points to draw vtkSmartPointer lines = vtkSmartPointer::New(); //the lines to connect the points // We take the pointer to the first pixel of the image currentPixel = static_cast(localStorage->m_ReslicedImage->GetScalarPointer() ); while (y <= yMax) { //if the current pixel value is set to something if ((currentPixel) && (*currentPixel != 0)) { //check in which direction a line is necessary //a line is added if the neighbor of the current pixel has the value 0 //and if the pixel is located at the edge of the image //if vvvvv not the first line vvvvv if (y > yMin && *(currentPixel-line) == 0) { //x direction - bottom edge of the pixel //add the 2 points vtkIdType p1 = points->InsertNextPoint(x*localStorage->m_mmPerPixel[0], y*localStorage->m_mmPerPixel[1], depth); vtkIdType p2 = points->InsertNextPoint((x+1)*localStorage->m_mmPerPixel[0], y*localStorage->m_mmPerPixel[1], depth); //add the line between both points lines->InsertNextCell(2); lines->InsertCellPoint(p1); lines->InsertCellPoint(p2); } //if vvvvv not the last line vvvvv if (y < yMax && *(currentPixel+line) == 0) { //x direction - top edge of the pixel vtkIdType p1 = points->InsertNextPoint(x*localStorage->m_mmPerPixel[0], (y+1)*localStorage->m_mmPerPixel[1], depth); vtkIdType p2 = points->InsertNextPoint((x+1)*localStorage->m_mmPerPixel[0], (y+1)*localStorage->m_mmPerPixel[1], depth); lines->InsertNextCell(2); lines->InsertCellPoint(p1); lines->InsertCellPoint(p2); } //if vvvvv not the first pixel vvvvv if ( (x > xMin || y > yMin) && *(currentPixel-1) == 0) { //y direction - left edge of the pixel vtkIdType p1 = points->InsertNextPoint(x*localStorage->m_mmPerPixel[0], y*localStorage->m_mmPerPixel[1], depth); vtkIdType p2 = points->InsertNextPoint(x*localStorage->m_mmPerPixel[0], (y+1)*localStorage->m_mmPerPixel[1], depth); lines->InsertNextCell(2); lines->InsertCellPoint(p1); lines->InsertCellPoint(p2); } //if vvvvv not the last pixel vvvvv if ( (y < yMax || (x < xMax) ) && *(currentPixel+1) == 0) { //y direction - right edge of the pixel vtkIdType p1 = points->InsertNextPoint((x+1)*localStorage->m_mmPerPixel[0], y*localStorage->m_mmPerPixel[1], depth); vtkIdType p2 = points->InsertNextPoint((x+1)*localStorage->m_mmPerPixel[0], (y+1)*localStorage->m_mmPerPixel[1], depth); lines->InsertNextCell(2); lines->InsertCellPoint(p1); lines->InsertCellPoint(p2); } /* now consider pixels at the edge of the image */ //if vvvvv left edge of image vvvvv if (x == xMin) { //draw left edge of the pixel vtkIdType p1 = points->InsertNextPoint(x*localStorage->m_mmPerPixel[0], y*localStorage->m_mmPerPixel[1], depth); vtkIdType p2 = points->InsertNextPoint(x*localStorage->m_mmPerPixel[0], (y+1)*localStorage->m_mmPerPixel[1], depth); lines->InsertNextCell(2); lines->InsertCellPoint(p1); lines->InsertCellPoint(p2); } //if vvvvv right edge of image vvvvv if (x == xMax) { //draw right edge of the pixel vtkIdType p1 = points->InsertNextPoint((x+1)*localStorage->m_mmPerPixel[0], y*localStorage->m_mmPerPixel[1], depth); vtkIdType p2 = points->InsertNextPoint((x+1)*localStorage->m_mmPerPixel[0], (y+1)*localStorage->m_mmPerPixel[1], depth); lines->InsertNextCell(2); lines->InsertCellPoint(p1); lines->InsertCellPoint(p2); } //if vvvvv bottom edge of image vvvvv if (y == yMin) { //draw bottom edge of the pixel vtkIdType p1 = points->InsertNextPoint(x*localStorage->m_mmPerPixel[0], y*localStorage->m_mmPerPixel[1], depth); vtkIdType p2 = points->InsertNextPoint((x+1)*localStorage->m_mmPerPixel[0], y*localStorage->m_mmPerPixel[1], depth); lines->InsertNextCell(2); lines->InsertCellPoint(p1); lines->InsertCellPoint(p2); } //if vvvvv top edge of image vvvvv if (y == yMax) { //draw top edge of the pixel vtkIdType p1 = points->InsertNextPoint(x*localStorage->m_mmPerPixel[0], (y+1)*localStorage->m_mmPerPixel[1], depth); vtkIdType p2 = points->InsertNextPoint((x+1)*localStorage->m_mmPerPixel[0], (y+1)*localStorage->m_mmPerPixel[1], depth); lines->InsertNextCell(2); lines->InsertCellPoint(p1); lines->InsertCellPoint(p2); } }//end if currentpixel is set x++; if (x > xMax) { //reached end of line x = xMin; y++; } // Increase the pointer-position to the next pixel. // This is safe, as the while-loop and the x-reset logic above makes // sure we do not exceed the bounds of the image currentPixel++; }//end of while // Create a polydata to store everything in vtkSmartPointer polyData = vtkSmartPointer::New(); // Add the points to the dataset polyData->SetPoints(points); // Add the lines to the dataset polyData->SetLines(lines); return polyData; } void mitk::ImageVtkMapper2D::TransformActor(mitk::BaseRenderer* renderer) { LocalStorage *localStorage = m_LSH.GetLocalStorage(renderer); //get the transformation matrix of the reslicer in order to render the slice as axial, coronal or saggital vtkSmartPointer trans = vtkSmartPointer::New(); vtkSmartPointer matrix = localStorage->m_Reslicer->GetResliceAxes(); trans->SetMatrix(matrix); //transform the plane/contour (the actual actor) to the corresponding view (axial, coronal or saggital) localStorage->m_Actor->SetUserTransform(trans); //transform the origin to center based coordinates, because MITK is center based. localStorage->m_Actor->SetPosition( -0.5*localStorage->m_mmPerPixel[0], -0.5*localStorage->m_mmPerPixel[1], 0.0); if ( localStorage->m_Actors->GetNumberOfPaths() > 1 ) { vtkActor* secondaryActor = dynamic_cast( localStorage->m_Actors->GetParts()->GetItemAsObject(0) ); secondaryActor->SetUserTransform(trans); secondaryActor->SetPosition( -0.5*localStorage->m_mmPerPixel[0], -0.5*localStorage->m_mmPerPixel[1], 0.0); } } bool mitk::ImageVtkMapper2D::RenderingGeometryIntersectsImage( const Geometry2D* renderingGeometry, SlicedGeometry3D* imageGeometry ) { // if either one of the two geometries is NULL we return true // for safety reasons if ( renderingGeometry == NULL || imageGeometry == NULL ) return true; // get the distance for the first cornerpoint ScalarType initialDistance = renderingGeometry->SignedDistance( imageGeometry->GetCornerPoint( 0 ) ); for( int i=1; i<8; i++ ) { mitk::Point3D cornerPoint = imageGeometry->GetCornerPoint( i ); // get the distance to the other cornerpoints ScalarType distance = renderingGeometry->SignedDistance( cornerPoint ); // if it has not the same signing as the distance of the first point if ( initialDistance * distance < 0 ) { // we have an intersection and return true return true; } } // all distances have the same sign, no intersection and we return false return false; } mitk::ImageVtkMapper2D::LocalStorage::~LocalStorage() { } mitk::ImageVtkMapper2D::LocalStorage::LocalStorage() { m_LevelWindowFilter = vtkSmartPointer::New(); //Do as much actions as possible in here to avoid double executions. m_Plane = vtkSmartPointer::New(); m_Texture = vtkSmartPointer::New().GetPointer(); m_DefaultLookupTable = vtkSmartPointer::New(); m_BinaryLookupTable = vtkSmartPointer::New(); m_ColorLookupTable = vtkSmartPointer::New(); m_Mapper = vtkSmartPointer::New(); m_Actor = vtkSmartPointer::New(); m_Actors = vtkSmartPointer::New(); m_Reslicer = mitk::ExtractSliceFilter::New(); m_TSFilter = vtkSmartPointer::New(); m_OutlinePolyData = vtkSmartPointer::New(); m_ReslicedImage = vtkSmartPointer::New(); m_EmptyPolyData = vtkSmartPointer::New(); //the following actions are always the same and thus can be performed //in the constructor for each image (i.e. the image-corresponding local storage) m_TSFilter->ReleaseDataFlagOn(); //built a default lookuptable m_DefaultLookupTable->SetRampToLinear(); m_DefaultLookupTable->SetSaturationRange( 0.0, 0.0 ); m_DefaultLookupTable->SetHueRange( 0.0, 0.0 ); m_DefaultLookupTable->SetValueRange( 0.0, 1.0 ); m_DefaultLookupTable->Build(); m_BinaryLookupTable->SetRampToLinear(); m_BinaryLookupTable->SetSaturationRange( 0.0, 0.0 ); m_BinaryLookupTable->SetHueRange( 0.0, 0.0 ); m_BinaryLookupTable->SetValueRange( 0.0, 1.0 ); m_BinaryLookupTable->SetRange(0.0, 1.0); m_BinaryLookupTable->Build(); // add a default rainbow lookup table for color mapping m_ColorLookupTable->SetRampToLinear(); m_ColorLookupTable->SetHueRange(0.6667, 0.0); m_ColorLookupTable->SetTableRange(0.0, 20.0); m_ColorLookupTable->Build(); // make first value transparent { double rgba[4]; m_BinaryLookupTable->GetTableValue(0, rgba); m_BinaryLookupTable->SetTableValue(0, rgba[0], rgba[1], rgba[2], 0.0); // background to 0 } //do not repeat the texture (the image) m_Texture->RepeatOff(); //set the mapper for the actor m_Actor->SetMapper( m_Mapper ); vtkSmartPointer outlineShadowActor = vtkSmartPointer::New(); outlineShadowActor->SetMapper( m_Mapper ); m_Actors->AddPart( outlineShadowActor ); m_Actors->AddPart( m_Actor ); }