ITK/Examples/SimpleOperations/RandomImageSource: Difference between revisions

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This example produces an image with random pixel values.
==RandomImageSource.cxx==
==RandomImageSource.cxx==
<source lang="cpp">
<source lang="cpp">

Revision as of 13:56, 18 November 2010

This example produces an image with random pixel values.

RandomImageSource.cxx

<source lang="cpp">

  1. include "itkImage.h"
  2. include "itkRandomImageSource.h"
  1. include <itkImageToVTKImageFilter.h>
  1. include "vtkImageViewer.h"
  2. include "vtkRenderWindowInteractor.h"
  3. include "vtkSmartPointer.h"
  4. include "vtkImageActor.h"
  5. include "vtkInteractorStyleImage.h"
  6. include "vtkRenderer.h"

int main(int, char *[]) {

 typedef itk::Image< unsigned char, 2 >  ImageType;
 itk::RandomImageSource<ImageType>::Pointer randomImageSource =
   itk::RandomImageSource<ImageType>::New();
 randomImageSource->SetNumberOfThreads(1); // to produce non-random results
 
 typedef itk::ImageToVTKImageFilter<ImageType> ConnectorType;
 ConnectorType::Pointer connector = ConnectorType::New();
 connector->SetInput(randomImageSource->GetOutput());
 vtkSmartPointer<vtkImageActor> actor =
   vtkSmartPointer<vtkImageActor>::New();
 actor->SetInput(connector->GetOutput());
 // 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>

CMakeLists.txt

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

PROJECT(RandomImageSource)

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(RandomImageSource RandomImageSource.cxx) TARGET_LINK_LIBRARIES(RandomImageSource vtkHybrid ITKIO ITKBasicFilters ITKCommon )

</source>