common/vvImage.txx

   1 #include <itkImageToVTKImageFilter.h>
   2
   3 //--------------------------------------------------------------------
   4 template<class TItkImageType>
   5 void vvImage::AddItkImage(TItkImageType *input)
   6 {
   7   // Convert from ITK object to VTK object
   8   mImageDimension = TItkImageType::ImageDimension;
   9   typedef itk::ImageToVTKImageFilter <TItkImageType> ConverterType;
  10   typename ConverterType::Pointer converter = ConverterType::New();
  11   mItkToVtkConverters.push_back(dynamic_cast< itk::ProcessObject *>(converter.GetPointer()));
  12   converter->SetInput(input);
  13   converter->Update();
  14   mVtkImages.push_back( converter->GetOutput() );
  15
  16   // Account for direction in transform. The offset is already accounted for
  17   // in the VTK image coordinates, no need to put it in the transform.
  18   for(unsigned int j=0; j<input->GetImageDimension(); j++)
  19     for(unsigned int i=0; i<input->GetImageDimension(); i++)
  20       mTransform->GetMatrix()->SetElement(i,j, input->GetDirection()[i][j]);
  21
  22   // Create the corresponding transformed image
  23   mVtkImageReslice.push_back(vtkSmartPointer<vtkImageReslice>::New());
  24   mVtkImageReslice.back()->SetInterpolationModeToLinear();
  25   mVtkImageReslice.back()->AutoCropOutputOn();
  26   mVtkImageReslice.back()->SetBackgroundColor(-1000,-1000,-1000,1);
  27   mVtkImageReslice.back()->SetResliceTransform(mTransform);
  28   mVtkImageReslice.back()->SetInput(0, converter->GetOutput());
  29   mVtkImageReslice.back()->UpdateInformation();
  30   mTransformedVtkImages.push_back( mVtkImageReslice.back()->GetOutput(0) );
  31 }
  32 //--------------------------------------------------------------------
  33