VTK 实例30：提取BMP图像的感兴趣区域(区域提取)

1 #include "vtkAutoInit.h" 2 VTK_MODULE_INIT(vtkRenderingOpenGL2); 3 VTK_MODULE_INIT(vtkInteractionStyle); 4 5 #include <vtkSmartPointer.h> 6 #include <vtkImageData.h> 7 #include <vtkRenderWindoh> 8 #include <vtkRenderWindowInteractor.h> 9 #include <vtkInteractorStyleImage.h> 10 #include <vtkRenderer.h> 11 #include <vtkImageActor.h> 12 #include <vtkBMPReader.h> 13 #include <vtkExtractVOI.h> 14 15 //测试图像：../data/lena.bmp 16 int main(int argc, char* argv[]) 17 ; 41 double voiviewport[4] = ; 42 43 vtkSmartPointer<vtkRenderer> originalRenderer = 44 vtkSmartPointer<vtkRenderer>::New(); 45 originalRenderer>SetViewport(originalViewport); 46 originalRenderer>AddActor(originalActor); 47 originalRenderer>ResetCamera(); 48 originalRenderer>SetBackground(1.0, 1.0, 1.0); 49 50 vtkSmartPointer<vtkRenderer> shiftscaleRenderer = 51 vtkSmartPointer<vtkRenderer>::New(); 52 shiftscaleRenderer>SetViewport(voiviewport); 53 shiftscaleRenderer>AddActor(voiActor); 54 shiftscaleRenderer>ResetCamera(); 55 shiftscaleRenderer>SetBackground(1.0, 1.0, 1.0); 56 57 vtkSmartPointer<vtkRenderWindow> renderWindow = 58 vtkSmartPointer<vtkRenderWindow>::New(); 59 renderWindow>AddRenderer(originalRenderer); 60 renderWindow>AddRenderer(shiftscaleRenderer); 61 renderWindow>SetSize(900, 300); 62 renderWindow>Render(); renderWindow>SetWindowName("ExtractVOIExample"); 64 65 66 vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = 67 vtkSmartPointer<vtkRenderWindowInteractor>::New(); 68 vtkSmartPointer<vtkInteractorStyleImage> style = 69 vtkSmartPointer<vtkInteractorStyleImage>::New(); 70 71 renderWindowInteractor>SetInteractorStyle(style); 72 renderWindowInteractor>SetRenderWindow(renderWindow); 73 renderWindowInteractor>Initialize(); 74 renderWindowInteractor>Start(); 75 76 return EXIT_SUCCESS; 77 }

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