Difference between revisions of "ITK/Examples/IO/ImageToVTKImageFilter"

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<div class="floatright">[[File:ITK_Examples_Baseline_IO_TestDisplayAnImage.png]]</div>
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{{warning|1=The media wiki content on this page is no longer maintained.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 releasesIn many cases, the examples on this page no longer conform to the best practices for modern ITK versions.}}
This example demonstrates how to display an itkImage on the screen using VTK.
 
 
 
==ImageToVTKImageFilter.cxx==
 
<source lang="cpp">
 
#include <itkImage.h>
 
#include <itkImageFileReader.h>
 
 
 
#include <itkImageToVTKImageFilter.h>
 
 
 
#include "vtkVersion.h"
 
#include "vtkImageViewer.h"
 
#include "vtkImageMapper3D.h"
 
#include "vtkRenderWindowInteractor.h"
 
#include "vtkSmartPointer.h"
 
#include "vtkImageActor.h"
 
#include "vtkInteractorStyleImage.h"
 
#include "vtkRenderer.h"
 
#include "itkRGBPixel.h"
 
int main(int argc, char *argv[])
 
{
 
  if( argc < 2 )
 
    {
 
    std::cerr << "Usage: " << std::endl;
 
    std::cerr << argv[0] << " inputImageFile" << std::endl;
 
    return EXIT_FAILURE;
 
    }
 
 
 
   typedef itk::Image<itk::RGBPixel<unsigned char>, 2> ImageType;
 
  typedef itk::ImageFileReader<ImageType>            ReaderType;
 
  typedef itk::ImageToVTKImageFilter<ImageType>      ConnectorType;
 
 
 
  ReaderType::Pointer reader = ReaderType::New();
 
  ConnectorType::Pointer connector = ConnectorType::New();
 
 
 
  reader->SetFileName(argv[1]);
 
  connector->SetInput(reader->GetOutput());
 
 
 
  vtkSmartPointer<vtkImageActor> actor =
 
    vtkSmartPointer<vtkImageActor>::New();
 
#if VTK_MAJOR_VERSION <= 5
 
  actor->SetInput(connector->GetOutput());
 
#else
 
  connector->Update();
 
  actor->GetMapper()->SetInputData(connector->GetOutput());
 
#endif
 
  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;
 
}
 
</source>
 
 
 
{{ITKVTKCMakeLists|{{SUBPAGENAME}}}}
 

Latest revision as of 19:54, 7 June 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.