VTK二维图像的三维显示

 1 #include "vtkJPEGReader.h"
 2 #include "vtkImageDataGeometryFilter.h"
 3 #include "vtkWarpScalar.h"
 4 #include "vtkPolyDataMapper.h"
 5 #include "vtkActor.h"
 6 #include "vtkRenderer.h"
 7 #include "vtkRenderWindow.h"
 8 #include "vtkRenderWindowInteractor.h"
 9 
10 #define EXAMPLE_DATA "Aries.jpg"                // for example -- "F:/其他/照片/Aries.jpg"
11 
12 int main()
13 {
14  vtkJPEGReader *m_reader = vtkJPEGReader::New();
15  m_reader->SetFileName(EXAMPLE_DATA);
16  m_reader->Update();
17 
18  vtkImageDataGeometryFilter *geo = vtkImageDataGeometryFilter::New();
19  geo->SetInput(m_reader->GetOutput());
20 
21  vtkWarpScalar *scalar = vtkWarpScalar::New();
22  scalar->SetInput(geo->GetOutput());
23  scalar->SetScaleFactor(0.5);
24 
25  vtkPolyDataMapper *mapper = vtkPolyDataMapper::New();
26  mapper->SetInput(scalar->GetPolyDataOutput());
27 
28  vtkActor *m_Actor = vtkActor::New();
29  m_Actor->SetMapper(mapper);  
30  
31  vtkRenderer *m_Renderer = vtkRenderer::New();
32  m_Renderer->AddActor(m_Actor);
33  m_Renderer->SetBackground(0.1, 0.2, 0.4); 
34  
35  vtkRenderWindow *m_RenWin = vtkRenderWindow::New();
36  m_RenWin->AddRenderer(m_Renderer);
37  m_RenWin->SetSize(400, 400);
38  
39  vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
40  iren->SetRenderWindow(m_RenWin);
41  
42  
43  iren->Initialize();
44  iren->Start();
45 
46  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 
55 
56  return 0;
57 }