diff --git a/Modules/ImageExtraction/mitkExtractDirectedPlaneImageFilter.cpp b/Modules/ImageExtraction/mitkExtractDirectedPlaneImageFilter.cpp index 27bc33dfc4..8d04a65352 100644 --- a/Modules/ImageExtraction/mitkExtractDirectedPlaneImageFilter.cpp +++ b/Modules/ImageExtraction/mitkExtractDirectedPlaneImageFilter.cpp @@ -1,481 +1,482 @@ /*=================================================================== 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 "mitkExtractDirectedPlaneImageFilter.h" #include "mitkAbstractTransformGeometry.h" //#include "mitkImageMapperGL2D.h" #include #include #include #include #include "vtkMitkThickSlicesFilter.h" #include #include #include #include #include #include #include mitk::ExtractDirectedPlaneImageFilter::ExtractDirectedPlaneImageFilter() : m_WorldGeometry(NULL) { MITK_WARN << "Class ExtractDirectedPlaneImageFilter is deprecated! Use ExtractSliceFilter instead."; m_Reslicer = vtkImageReslice::New(); m_TargetTimestep = 0; m_InPlaneResampleExtentByGeometry = true; m_ResliceInterpolationProperty = NULL;//VtkResliceInterpolationProperty::New(); //TODO initial with value m_ThickSlicesMode = 0; m_ThickSlicesNum = 1; } mitk::ExtractDirectedPlaneImageFilter::~ExtractDirectedPlaneImageFilter() { if(m_ResliceInterpolationProperty!=NULL)m_ResliceInterpolationProperty->Delete(); m_Reslicer->Delete(); } void mitk::ExtractDirectedPlaneImageFilter::GenerateData() { // A world geometry must be set... if ( m_WorldGeometry == NULL ) { itkWarningMacro(<<"No world geometry has been set. Returning."); return; } Image *input = const_cast< ImageToImageFilter::InputImageType* >( this->GetInput() ); input->Update(); if ( input == NULL ) { itkWarningMacro(<<"No input set."); return; } const TimeGeometry *inputTimeGeometry = input->GetTimeGeometry(); if ( ( inputTimeGeometry == NULL ) || ( inputTimeGeometry->CountTimeSteps() == 0 ) ) { itkWarningMacro(<<"Error reading input image geometry."); return; } // Get the target timestep; if none is set, use the lowest given. unsigned int timestep = m_TargetTimestep; if ( inputTimeGeometry->IsValidTimeStep( timestep ) == false ) { itkWarningMacro(<<"This is not a valid timestep: "<IsVolumeSet( timestep ) ) { itkWarningMacro(<<"No volume data existent at given timestep "<GetLargestPossibleRegion(); requestedRegion.SetIndex( 3, timestep ); requestedRegion.SetSize( 3, 1 ); requestedRegion.SetSize( 4, 1 ); input->SetRequestedRegion( &requestedRegion ); input->Update(); vtkImageData* inputData = input->GetVtkImageData( timestep ); if ( inputData == NULL ) { itkWarningMacro(<<"Could not extract vtk image data for given timestep"<GetSpacing( spacing ); // how big the area is in physical coordinates: widthInMM x heightInMM pixels mitk::ScalarType widthInMM, heightInMM; // where we want to sample Point3D origin; Vector3D right, bottom, normal; Vector3D rightInIndex, bottomInIndex; assert( input->GetTimeGeometry() == inputTimeGeometry ); // take transform of input image into account BaseGeometry* inputGeometry = inputTimeGeometry->GetGeometryForTimeStep( timestep ); if ( inputGeometry == NULL ) { itkWarningMacro(<<"There is no Geometry3D at given timestep "<( m_WorldGeometry ) != NULL ) + if ( dynamic_cast< const PlaneGeometry * >( m_WorldGeometry ) != NULL && + dynamic_cast< const AbstractTransformGeometry * >( m_WorldGeometry ) == NULL) { const PlaneGeometry *planeGeometry = static_cast< const PlaneGeometry * >( m_WorldGeometry ); 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. inputGeometry->WorldToIndex( right, rightInIndex ); inputGeometry->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 ); mmPerPixel[0] = widthInMM / extent[0]; mmPerPixel[1] = heightInMM / extent[1]; right.Normalize(); bottom.Normalize(); normal.Normalize(); //origin += right * ( mmPerPixel[0] * 0.5 ); //origin += bottom * ( mmPerPixel[1] * 0.5 ); //widthInMM -= mmPerPixel[0]; //heightInMM -= mmPerPixel[1]; // Use inverse transform of the input geometry for reslicing the 3D image m_Reslicer->SetResliceTransform( inputGeometry->GetVtkTransform()->GetLinearInverse() ); // Set background level to TRANSLUCENT (see PlaneGeometryDataVtkMapper3D) m_Reslicer->SetBackgroundLevel( -32768 ); // Check if a reference geometry does exist (as would usually be the case for // PlaneGeometry). // Note: this is currently not strictly required, but could facilitate // correct plane clipping. if ( m_WorldGeometry->GetReferenceGeometry() ) { // 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. boundsInitialized = this->CalculateClippedPlaneBounds( m_WorldGeometry->GetReferenceGeometry(), planeGeometry, bounds ); } } // Do we have an AbstractTransformGeometry? else if ( dynamic_cast< const AbstractTransformGeometry * >( m_WorldGeometry ) ) { const mitk::AbstractTransformGeometry* abstractGeometry = dynamic_cast< const AbstractTransformGeometry * >(m_WorldGeometry); extent[0] = abstractGeometry->GetParametricExtent(0); extent[1] = abstractGeometry->GetParametricExtent(1); widthInMM = abstractGeometry->GetParametricExtentInMM(0); heightInMM = abstractGeometry->GetParametricExtentInMM(1); mmPerPixel[0] = widthInMM / extent[0]; mmPerPixel[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 vtkGeneralTransform *composedResliceTransform = vtkGeneralTransform::New(); composedResliceTransform->Identity(); composedResliceTransform->Concatenate( inputGeometry->GetVtkTransform()->GetLinearInverse() ); composedResliceTransform->Concatenate( abstractGeometry->GetVtkAbstractTransform() ); m_Reslicer->SetResliceTransform( composedResliceTransform ); // Set background level to BLACK instead of translucent, to avoid // boundary artifacts (see PlaneGeometryDataVtkMapper3D) m_Reslicer->SetBackgroundLevel( -1023 ); composedResliceTransform->Delete(); } else { itkWarningMacro(<<"World Geometry has to be a PlaneGeometry or an AbstractTransformGeometry."); return; } // Make sure that the image to be resliced has a certain minimum size. if ( (extent[0] <= 2) && (extent[1] <= 2) ) { itkWarningMacro(<<"Image is too small to be resliced..."); return; } vtkSmartPointer unitSpacingImageFilter = vtkImageChangeInformation::New() ; unitSpacingImageFilter->SetOutputSpacing( 1.0, 1.0, 1.0 ); unitSpacingImageFilter->SetInputData( inputData ); m_Reslicer->SetInputConnection( unitSpacingImageFilter->GetOutputPort() ); //m_Reslicer->SetInput( inputData ); m_Reslicer->SetOutputDimensionality( 2 ); m_Reslicer->SetOutputOrigin( 0.0, 0.0, 0.0 ); Vector2D pixelsPerMM; pixelsPerMM[0] = 1.0 / mmPerPixel[0]; pixelsPerMM[1] = 1.0 / mmPerPixel[1]; //calulate the originArray and the orientations for the reslice-filter double originArray[3]; itk2vtk( origin, originArray ); m_Reslicer->SetResliceAxesOrigin( originArray ); double cosines[9]; // direction of the X-axis of the sampled result vnl2vtk( right.GetVnlVector(), cosines ); // direction of the Y-axis of the sampled result vnl2vtk( bottom.GetVnlVector(), cosines + 3 ); // normal of the plane vnl2vtk( normal.GetVnlVector(), cosines + 6 ); m_Reslicer->SetResliceAxesDirectionCosines( cosines ); int xMin, xMax, yMin, yMax; if ( boundsInitialized ) { xMin = static_cast< int >( bounds[0] / mmPerPixel[0] );//+ 0.5 ); xMax = static_cast< int >( bounds[1] / mmPerPixel[0] );//+ 0.5 ); yMin = static_cast< int >( bounds[2] / mmPerPixel[1] );//+ 0.5); yMax = static_cast< int >( bounds[3] / mmPerPixel[1] );//+ 0.5 ); } else { // If no reference geometry is available, we also don't know about the // maximum plane size; so the overlap is just ignored xMin = yMin = 0; xMax = static_cast< int >( extent[0] - pixelsPerMM[0] );//+ 0.5 ); yMax = static_cast< int >( extent[1] - pixelsPerMM[1] );//+ 0.5 ); } m_Reslicer->SetOutputSpacing( mmPerPixel[0], mmPerPixel[1], 1.0 ); // xMax and yMax are meant exclusive until now, whereas // SetOutputExtent wants an inclusive bound. Thus, we need // to subtract 1. m_Reslicer->SetOutputExtent( xMin, xMax-1, yMin, yMax-1, 0, 1 ); // 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. m_Reslicer->Modified(); m_Reslicer->ReleaseDataFlagOn(); m_Reslicer->Update(); // 1. Check the result vtkImageData* reslicedImage = m_Reslicer->GetOutput(); if((reslicedImage == NULL) || (reslicedImage->GetDataDimension() < 1)) { itkWarningMacro(<<"Reslicer returned empty image"); return; } unsigned int dimensions[2]; dimensions[0] = (unsigned int)extent[0]; dimensions[1] = (unsigned int)extent[1]; Vector3D spacingVector; FillVector3D(spacingVector, mmPerPixel[0], mmPerPixel[1], 1.0); mitk::Image::Pointer resultImage = this->GetOutput(); resultImage->Initialize(input->GetPixelType(), 2, dimensions ); resultImage->SetSpacing( spacingVector ); } void mitk::ExtractDirectedPlaneImageFilter::GenerateOutputInformation() { Superclass::GenerateOutputInformation(); } bool mitk::ExtractDirectedPlaneImageFilter ::CalculateClippedPlaneBounds( const BaseGeometry *boundingGeometry, const PlaneGeometry *planeGeometry, double *bounds ) { // Clip the plane with the bounding geometry. To do so, the corner points // of the bounding box are transformed by the inverse transformation // matrix, and the transformed bounding box edges derived therefrom are // clipped with the plane z=0. The resulting min/max values are taken as // bounds for the image reslicer. const BoundingBox *boundingBox = boundingGeometry->GetBoundingBox(); BoundingBox::PointType bbMin = boundingBox->GetMinimum(); BoundingBox::PointType bbMax = boundingBox->GetMaximum(); vtkPoints *points = vtkPoints::New(); if(boundingGeometry->GetImageGeometry()) { points->InsertPoint( 0, bbMin[0]-0.5, bbMin[1]-0.5, bbMin[2]-0.5 ); points->InsertPoint( 1, bbMin[0]-0.5, bbMin[1]-0.5, bbMax[2]-0.5 ); points->InsertPoint( 2, bbMin[0]-0.5, bbMax[1]-0.5, bbMax[2]-0.5 ); points->InsertPoint( 3, bbMin[0]-0.5, bbMax[1]-0.5, bbMin[2]-0.5 ); points->InsertPoint( 4, bbMax[0]-0.5, bbMin[1]-0.5, bbMin[2]-0.5 ); points->InsertPoint( 5, bbMax[0]-0.5, bbMin[1]-0.5, bbMax[2]-0.5 ); points->InsertPoint( 6, bbMax[0]-0.5, bbMax[1]-0.5, bbMax[2]-0.5 ); points->InsertPoint( 7, bbMax[0]-0.5, bbMax[1]-0.5, bbMin[2]-0.5 ); } else { points->InsertPoint( 0, bbMin[0], bbMin[1], bbMin[2] ); points->InsertPoint( 1, bbMin[0], bbMin[1], bbMax[2] ); points->InsertPoint( 2, bbMin[0], bbMax[1], bbMax[2] ); points->InsertPoint( 3, bbMin[0], bbMax[1], bbMin[2] ); points->InsertPoint( 4, bbMax[0], bbMin[1], bbMin[2] ); points->InsertPoint( 5, bbMax[0], bbMin[1], bbMax[2] ); points->InsertPoint( 6, bbMax[0], bbMax[1], bbMax[2] ); points->InsertPoint( 7, bbMax[0], bbMax[1], bbMin[2] ); } vtkPoints *newPoints = vtkPoints::New(); vtkTransform *transform = vtkTransform::New(); transform->Identity(); transform->Concatenate( planeGeometry->GetVtkTransform()->GetLinearInverse() ); transform->Concatenate( boundingGeometry->GetVtkTransform() ); transform->TransformPoints( points, newPoints ); transform->Delete(); bounds[0] = bounds[2] = 10000000.0; bounds[1] = bounds[3] = -10000000.0; bounds[4] = bounds[5] = 0.0; this->LineIntersectZero( newPoints, 0, 1, bounds ); this->LineIntersectZero( newPoints, 1, 2, bounds ); this->LineIntersectZero( newPoints, 2, 3, bounds ); this->LineIntersectZero( newPoints, 3, 0, bounds ); this->LineIntersectZero( newPoints, 0, 4, bounds ); this->LineIntersectZero( newPoints, 1, 5, bounds ); this->LineIntersectZero( newPoints, 2, 6, bounds ); this->LineIntersectZero( newPoints, 3, 7, bounds ); this->LineIntersectZero( newPoints, 4, 5, bounds ); this->LineIntersectZero( newPoints, 5, 6, bounds ); this->LineIntersectZero( newPoints, 6, 7, bounds ); this->LineIntersectZero( newPoints, 7, 4, bounds ); // clean up vtk data points->Delete(); newPoints->Delete(); if ( (bounds[0] > 9999999.0) || (bounds[2] > 9999999.0) || (bounds[1] < -9999999.0) || (bounds[3] < -9999999.0) ) { return false; } else { // The resulting bounds must be adjusted by the plane spacing, since we // we have so far dealt with index coordinates const mitk::Vector3D planeSpacing = planeGeometry->GetSpacing(); bounds[0] *= planeSpacing[0]; bounds[1] *= planeSpacing[0]; bounds[2] *= planeSpacing[1]; bounds[3] *= planeSpacing[1]; bounds[4] *= planeSpacing[2]; bounds[5] *= planeSpacing[2]; return true; } } bool mitk::ExtractDirectedPlaneImageFilter ::LineIntersectZero( vtkPoints *points, int p1, int p2, double *bounds ) { double point1[3]; double point2[3]; points->GetPoint( p1, point1 ); points->GetPoint( p2, point2 ); if ( (point1[2] * point2[2] <= 0.0) && (point1[2] != point2[2]) ) { double x, y; x = ( point1[0] * point2[2] - point1[2] * point2[0] ) / ( point2[2] - point1[2] ); y = ( point1[1] * point2[2] - point1[2] * point2[1] ) / ( point2[2] - point1[2] ); if ( x < bounds[0] ) { bounds[0] = x; } if ( x > bounds[1] ) { bounds[1] = x; } if ( y < bounds[2] ) { bounds[2] = y; } if ( y > bounds[3] ) { bounds[3] = y; } bounds[4] = bounds[5] = 0.0; return true; } return false; }