VTK 实例15：图像数据测量

// First include the required header files for the VTK classes we are using. 
#include "vtkAutoInit.h" 
VTK_MODULE_INIT(vtkRenderingOpenGL2);
VTK_MODULE_INIT(vtkInteractionStyle);
#include "vtkDICOMImageReader.h" 
#include "vtkBMPReader.h" 
#include "vtkVolume16Reader.h" 
#include "vtkImageViewer.h" 
#include "vtkRenderWindowInteractor.h" 
 
//??2¨oˉêy 
#include "vtkImageMagnify.h" 
#include "vtkTransform.h" 
 
  
int main() 
{ 
    vtkBMPReader   *dr =  vtkBMPReader::New(); 
      dr->SetDataByteOrderToLittleEndian(); 
      dr->SetFileName("1234.bmp"); 
      dr->SetDataOrigin(0,0,0.0); 
     vtkTransform *t1=vtkTransform::New();     
        t1->RotateZ(0); 
      dr->SetTransform(t1); 
 
//=================================================       
//??2¨2ù×÷ 
 
    vtkImageMagnify *mfy=vtkImageMagnify::New(); 
    //í???·?′ó,2??áó? 
      mfy->SetInputConnection(dr->GetOutputPort()); 
      mfy->SetMagnificationFactors(3,2,2);//???ü·?′ó??êy±?,??DCMí????TD§ 
 
//======================================================= 
 
    vtkImageViewer  *viewer = vtkImageViewer::New(); 
      viewer->SetInputConnection(mfy->GetOutputPort());
      viewer->SetColorWindow(1000); 
      viewer->SetColorLevel(200); 
      viewer->SetPosition(0,0); 
      viewer->Render();
 
    vtkRenderWindowInteractor *viewerinter = vtkRenderWindowInteractor::New(); 
      viewer->SetupInteractor(viewerinter); 
 
    vtkImageViewer  *viewer2 = vtkImageViewer::New(); 
      viewer2->SetInputConnection(dr->GetOutputPort());
      viewer2->SetColorWindow(256); 
      viewer2->SetColorLevel(200); 
      viewer2->SetPosition(0,100); 
      viewer2->Render(); 
 
    vtkRenderWindowInteractor *viewerinter2 = vtkRenderWindowInteractor::New(); 
      viewer2->SetupInteractor(viewerinter2); 
 
        
    viewerinter->Initialize(); 
    viewerinter->Start();  
   

//    cout<GetPatientName()<GetHeight()<GetWidth()<GetStudyUID()<GetDataByteOrderAsString()<GetHeaderSize()<GetPixelSpacing()<Delete(); 
    mfy->Delete(); 
    viewer->Delete(); 
    viewerinter->Delete(); 
    viewer2->Delete(); 
    viewerinter2->Delete(); 
    return 0; 
}