《itk实用demo》-打开CT图像

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itk读取一张CT图像，vtk显示

#include "itkImage.h"
#include "itkImageFileReader.h"
#include "itkImageToVTKImageFilter.h"
#include "vtkImageViewer.h"
#include "vtkWin32RenderWindowInteractor.h"
int _tmain(int argc, _TCHAR* argv[])
{
 typedef itk::Image<float,2> ImageType;
 typedef itk::ImageFileReader<ImageType> ReaderType;
 typedef itk::ImageToVTKImageFilter<ImageType> ConnectorType;
 ReaderType::Pointer reader= ReaderType::New();
 ConnectorType::Pointer connector= ConnectorType::New();
 reader->SetFileName("D:\\1\\IM183");
 reader->Update();
 connector->SetInput( reader->GetOutput() );
 vtkImageViewer* viewer= vtkImageViewer::New();
 vtkWin32RenderWindowInteractor* renderWindowInteractor=
  vtkWin32RenderWindowInteractor::New();
 viewer->SetupInteractor( renderWindowInteractor);
 viewer->SetInput( connector->GetOutput() );
 viewer->Render();
 viewer->SetColorWindow( 255);
 viewer->SetColorLevel( 128);
 renderWindowInteractor->Start();
 return 0;
}