ITK/Examples/Broken/Images/VTKImageToImageFilter: Difference between revisions

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<source lang="cpp">
<source lang="cpp">
#include <itkImage.h>
#include <itkImage.h>
#include <itkImageFileReader.h>


#include <itkVTKImageToImageFilter.h>
#include <itkVTKImageToImageFilter.h>
#include <itkImageToVTKImageFilter.h>


#include "vtkImageViewer.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkSmartPointer.h"
#include "vtkSmartPointer.h"
#include "vtkImageActor.h"
#include "vtkInteractorStyleImage.h"
#include "vtkRenderer.h"
#include "vtkPNGReader.h"
#include "vtkPNGReader.h"
#include <vtkImageLuminance.h>
#include "QuickView.h"


int main(int argc, char*argv[])
int main(int argc, char*argv[])
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     vtkSmartPointer<vtkPNGReader>::New();
     vtkSmartPointer<vtkPNGReader>::New();
   reader->SetFileName(argv[1]);
   reader->SetFileName(argv[1]);
  // reader->SetNumberOfScalarComponents(1); //doesn't seem to work - use ImageLuminance instead
   reader->Update();
   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::Image<unsigned char, 2> ImageType;


  typedef itk::ImageToVTKImageFilter<ImageType> ImageToVTKImageType;
   typedef itk::VTKImageToImageFilter<ImageType> VTKImageToImageType;
   typedef itk::VTKImageToImageFilter<ImageType> VTKImageToImageType;


   VTKImageToImageType::Pointer vtkImageToImageFilter = VTKImageToImageType::New();
   VTKImageToImageType::Pointer vtkImageToImageFilter = VTKImageToImageType::New();
   vtkImageToImageFilter->SetInput(reader->GetOutput());
   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
    
    
   ImageToVTKImageType::Pointer imageToVTKImageFilter = ImageToVTKImageType::New();
   QuickView viewer;
  imageToVTKImageFilter->SetInput(vtkImageToImageFilter->GetOutput());
   viewer.AddImage(image.GetPointer()); // Need to do this because QuickView can't accept smart pointers
 
   viewer.Visualize();
  vtkSmartPointer<vtkImageActor> actor =
    vtkSmartPointer<vtkImageActor>::New();
  actor->SetInput(imageToVTKImageFilter->GetOutput());
 
  vtkSmartPointer<vtkRenderer> renderer =
    vtkSmartPointer<vtkRenderer>::New();
  renderer->AddActor(actor);
  renderer->ResetCamera();
 
  vtkSmartPointer<vtkRenderWindow> renderWindow =
    vtkSmartPointer<vtkRenderWindow>::New();
  renderWindow->AddRenderer(renderer);
 
  vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
    vtkSmartPointer<vtkRenderWindowInteractor>::New();
   vtkSmartPointer<vtkInteractorStyleImage> style =
    vtkSmartPointer<vtkInteractorStyleImage>::New();
 
  renderWindowInteractor->SetInteractorStyle(style);
 
  renderWindowInteractor->SetRenderWindow(renderWindow);
   renderWindowInteractor->Initialize();
 
  renderWindowInteractor->Start();


   return EXIT_SUCCESS;
   return EXIT_SUCCESS;
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PROJECT(VTKImageToImageFilter)
PROJECT(VTKImageToImageFilter)
include_directories(/home/doriad/ITKWikiExamples/ItkVtkGlue)
include_directories(/home/doriad/src/ITK/Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/src/)
include_directories(/home/doriad/src/ITK/Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/src/)


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


ADD_EXECUTABLE(VTKImageToImageFilter VTKImageToImageFilter.cxx)
ADD_EXECUTABLE(VTKImageToImageFilter VTKImageToImageFilter.cxx /home/doriad/ITKWikiExamples/ItkVtkGlue/QuickView.cxx)
TARGET_LINK_LIBRARIES(VTKImageToImageFilter
TARGET_LINK_LIBRARIES(VTKImageToImageFilter
vtkHybrid
vtkHybrid

Revision as of 12:33, 29 January 2011

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>