VTK二维图像的三维显示

#include "vtkJPEGReader.h"
#include "vtkImageDataGeometryFilter.h"
#include "vtkWarpScalar.h"
#include "vtkPolyDataMapper.h"
#include "vtkActor.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"

#define EXAMPLE_DATA "Aries.jpg"                // for example -- "F:/其他/照片/Aries.jpg"

int main()
{
 vtkJPEGReader *m_reader = vtkJPEGReader::New();
 m_reader->SetFileName(EXAMPLE_DATA);
 m_reader->Update();

 vtkImageDataGeometryFilter *geo = vtkImageDataGeometryFilter::New();
 geo->SetInput(m_reader->GetOutput());

 vtkWarpScalar *scalar = vtkWarpScalar::New();
 scalar->SetInput(geo->GetOutput());
 scalar->SetScaleFactor(0.5);

 vtkPolyDataMapper *mapper = vtkPolyDataMapper::New();
 mapper->SetInput(scalar->GetPolyDataOutput());

 vtkActor *m_Actor = vtkActor::New();
 m_Actor->SetMapper(mapper);  
 
 vtkRenderer *m_Renderer = vtkRenderer::New();
 m_Renderer->AddActor(m_Actor);
 m_Renderer->SetBackground(0.1, 0.2, 0.4); 
 
 vtkRenderWindow *m_RenWin = vtkRenderWindow::New();
 m_RenWin->AddRenderer(m_Renderer);
 m_RenWin->SetSize(400, 400);
 
 vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
 iren->SetRenderWindow(m_RenWin);
 
 
 iren->Initialize();
 iren->Start();

 m_reader->Delete();
   geo->Delete();
 scalar->Delete();
 mapper->Delete();
 m_Actor->Delete();
 m_Renderer->Delete();
 m_RenWin->Delete();
 iren->Delete();


 return 0;
}