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() 13 { 14  vtkJPEGReader *m_reader = vtkJPEGReader::New(); 15  m_reader->SetFileName(EXAMPLE_DATA); 16  m_reader->Update(); 17 
 vtkImageDataGeometryFilter *geo = vtkImageDataGeometryFilter::New(); 19  geo->SetInput(m_reader->GetOutput()); 20 
 vtkWarpScalar *scalar = vtkWarpScalar::New(); 22  scalar->SetInput(geo->GetOutput()); 23  scalar->SetScaleFactor(0.5); 24 
 vtkPolyDataMapper *mapper = vtkPolyDataMapper::New(); 26  mapper->SetInput(scalar->GetPolyDataOutput()); 27 
 vtkActor *m_Actor = vtkActor::New(); 29  m_Actor->SetMapper(mapper); 30  
 vtkRenderer *m_Renderer = vtkRenderer::New(); 32  m_Renderer->AddActor(m_Actor); 33  m_Renderer->SetBackground(0.1, 0.2, 0.4); 34  
 vtkRenderWindow *m_RenWin = vtkRenderWindow::New(); 36  m_RenWin->AddRenderer(m_Renderer); 37  m_RenWin->SetSize(400, 400); 38  
 vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New(); 40  iren->SetRenderWindow(m_RenWin); 41  
 
 iren->Initialize(); 44  iren->Start(); 45 
 m_reader->Delete(); 47    geo->Delete(); 48  scalar->Delete(); 49  mapper->Delete(); 50  m_Actor->Delete(); 51  m_Renderer->Delete(); 52  m_RenWin->Delete(); 53  iren->Delete(); 54 

 return 0; 57 }