ITK/Examples/Broken/Images/VTKImageToImageFilter

Seems to expect an input image with only 1 component? (i.e. greyscale)

VTKImageToImageFilter.cxx

<source lang="cpp">

1. include <itkImage.h>

1. include <itkVTKImageToImageFilter.h>

1. include "vtkSmartPointer.h"
2. include "vtkPNGReader.h"
3. include <vtkImageLuminance.h>

1. include "QuickView.h"

int main(int argc, char*argv[]) {

 if(argc < 2)
   {
   std::cerr << "Required: filename" << std::endl;
   return EXIT_FAILURE;
   }

 vtkSmartPointer<vtkPNGReader> reader =
   vtkSmartPointer<vtkPNGReader>::New();
 reader->SetFileName(argv[1]);
 // reader->SetNumberOfScalarComponents(1); //doesn't seem to work - use ImageLuminance instead
 reader->Update();

 // Must convert image to grayscale because itkVTKImageToImageFilter only accepts single channel images
 vtkSmartPointer<vtkImageLuminance> luminanceFilter =
   vtkSmartPointer<vtkImageLuminance>::New();
 luminanceFilter->SetInputConnection(reader->GetOutputPort());
 luminanceFilter->Update();
 
 typedef itk::Image<unsigned char, 2> ImageType;

 typedef itk::VTKImageToImageFilter<ImageType> VTKImageToImageType;

 VTKImageToImageType::Pointer vtkImageToImageFilter = VTKImageToImageType::New();
 vtkImageToImageFilter->SetInput(luminanceFilter->GetOutput());
 //vtkImageToImageFilter->SetInput(reader->GetOutput());
 vtkImageToImageFilter->Update();

 ImageType::Pointer image = ImageType::New();
 image->Graft(vtkImageToImageFilter->GetOutput()); // Need to do this because QuickView can't accept const
 
 QuickView viewer;
 viewer.AddImage(image.GetPointer()); // Need to do this because QuickView can't accept smart pointers
 viewer.Visualize();

 return EXIT_SUCCESS;

} </source>

CMakeLists.txt

<source lang="cmake"> cmake_minimum_required(VERSION 2.6)

PROJECT(VTKImageToImageFilter)

include_directories(/home/doriad/ITKWikiExamples/ItkVtkGlue) include_directories(/home/doriad/src/ITK/Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/src/)

FIND_PACKAGE(VTK REQUIRED) INCLUDE(${VTK_USE_FILE})

FIND_PACKAGE(ITK REQUIRED) INCLUDE(${ITK_USE_FILE})

ADD_EXECUTABLE(VTKImageToImageFilter VTKImageToImageFilter.cxx /home/doriad/ITKWikiExamples/ItkVtkGlue/QuickView.cxx) TARGET_LINK_LIBRARIES(VTKImageToImageFilter vtkHybrid ITKBasicFilters ITKCommon ITKIO ) </source>