Difference between revisions of "ITK/Examples/ImageProcessing/CastImageFilter"

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<div class="floatcenter">[[File:ITK_Examples_Baseline_ImageProcessing_TestCastImageFilter.png]]</div>
{{warning|1=The media wiki content on this page is no longer maintained.  The examples presented on the https://itk.org/Wiki/*  pages likely require ITK version 4.13 or earlier releases.   In many cases, the examples on this page no longer conform to the best practices for modern ITK versions.
==CastImageFilter.cxx==
}}
<source lang="cpp">
#include "itkImage.h"
#include "itkImageFileReader.h"
#include "itkCastImageFilter.h"


#include <itkImageToVTKImageFilter.h>
[https://itk.org/ITKExamples[ITK Sphinx Examples]]
 
#include "vtkImageViewer.h"
#include "vtkImageMapper3D.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkSmartPointer.h"
#include "vtkImageActor.h"
#include "vtkInteractorStyleImage.h"
#include "vtkRenderer.h"
 
int main(int argc, char *argv[])
{
  if(argc < 2)
    {
    std::cerr << "Required: filename" << std::endl;
    return EXIT_FAILURE;
    }
 
  typedef itk::Image<unsigned char, 2>  UnsignedCharImageType;
  typedef itk::Image<float, 2>  FloatImageType;
 
  typedef itk::ImageFileReader<FloatImageType> ReaderType;
  ReaderType::Pointer reader = ReaderType::New();
  reader->SetFileName(argv[1]);
 
  typedef itk::CastImageFilter< FloatImageType, UnsignedCharImageType > CastFilterType;
  CastFilterType::Pointer castFilter = CastFilterType::New();
  castFilter->SetInput(reader->GetOutput());
 
  typedef itk::ImageToVTKImageFilter<UnsignedCharImageType> ConnectorType;
  ConnectorType::Pointer connector = ConnectorType::New();
  connector->SetInput(castFilter->GetOutput());
 
  vtkSmartPointer<vtkImageActor> actor =
    vtkSmartPointer<vtkImageActor>::New();
#if VTK_MAJOR_VERSION <= 5
  actor->SetInput(connector->GetOutput());
#else
  actor->GetMapper()->SetInputData(connector->GetOutput());
#endif
  // There will be one render window
  vtkSmartPointer<vtkRenderWindow> renderWindow =
    vtkSmartPointer<vtkRenderWindow>::New();
 
  vtkSmartPointer<vtkRenderWindowInteractor> interactor =
    vtkSmartPointer<vtkRenderWindowInteractor>::New();
  interactor->SetRenderWindow(renderWindow);
 
  vtkSmartPointer<vtkRenderer> renderer =
    vtkSmartPointer<vtkRenderer>::New();
  renderWindow->AddRenderer(renderer);
 
  renderer->AddActor(actor);
  renderer->ResetCamera();
 
  renderWindow->Render();
 
  vtkSmartPointer<vtkInteractorStyleImage> style =
    vtkSmartPointer<vtkInteractorStyleImage>::New();
 
  interactor->SetInteractorStyle(style);
 
  interactor->Start();
 
  return EXIT_SUCCESS;
}
</source>
 
{{ITKVTKCMakeLists|CastImageFilter|}}

Latest revision as of 10:32, 31 May 2019

Warning: The media wiki content on this page is no longer maintained. The examples presented on the https://itk.org/Wiki/* pages likely require ITK version 4.13 or earlier releases. In many cases, the examples on this page no longer conform to the best practices for modern ITK versions.

[ITK Sphinx Examples]