VTK 实例36：图像二值化

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 <vtkJPEGReader.h> 13 #include <vtkImageThreshold.h> 14 #include <vtkImageCast.h> 15 16 //测试图像：../data/lenagray.jpg 17 int main(int argc, char* argv[]) 18 ; 41 double binaryviewport[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> binaryRenderer = 51 vtkSmartPointer<vtkRenderer>::New(); 52 binaryRenderer>SetViewport(binaryviewport); 53 binaryRenderer>AddActor(binaryActor); 54 binaryRenderer>ResetCamera(); 55 binaryRenderer>SetBackground(1.0, 1.0, 1.0); 56 57 vtkSmartPointer<vtkRenderWindow> renderWindow = 58 vtkSmartPointer<vtkRenderWindow>::New(); 59 renderWindow>AddRenderer(originalRenderer); 60 renderWindow>AddRenderer(binaryRenderer); 61 renderWindow>SetSize(640, 320); 62 renderWindow>Render(); renderWindow>SetWindowName("ImageBinaryExample"); 64 65 vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = 66 vtkSmartPointer<vtkRenderWindowInteractor>::New(); 67 vtkSmartPointer<vtkInteractorStyleImage> style = 68 vtkSmartPointer<vtkInteractorStyleImage>::New(); 69 70 renderWindowInteractor>SetInteractorStyle(style); 71 renderWindowInteractor>SetRenderWindow(renderWindow); 72 renderWindowInteractor>Initialize(); 73 renderWindowInteractor>Start(); 74 75 return EXIT_SUCCESS; 76 }

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