VTK 实例29：多个灰度图像合成一个彩色图像(颜色合成)

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 <vtkImageAppendCponents.h> 8 #include <vtkImageCanvasSource2D.h> 9 #include <vtkRenderWindoh> 10 #include <vtkRenderWindowInteractor.h> 11 #include <vtkInteractorStyleImage.h> 12 #include <vtkRenderer.h> 13 #include <vtkJPEGReader.h> 14 #include <vtkImageActor.h> 15 16 int main(int, char *[]) 17 ; 77 double greenViewport[4] = ; 78 double blueViewport[4] = ; 79 double cbinedViewport[4] = ; 80 81 // Setup renderers 82 vtkSmartPointer<vtkRenderer> redRenderer = 83 vtkSmartPointer<vtkRenderer>::New(); 84 redRenderer>SetViewport(redViewport); 85 redRenderer>AddActor(redActor); 86 redRenderer>ResetCamera(); 87 redRenderer>SetBackground(1.0, 1.0, 1.0); 88 89 vtkSmartPointer<vtkRenderer> greenRenderer = 90 vtkSmartPointer<vtkRenderer>::New(); 91 greenRenderer>SetViewport(greenViewport); 92 greenRenderer>AddActor(greenActor); 93 greenRenderer>ResetCamera(); 94 greenRenderer>SetBackground(1.0, 1.0, 1.0); 95 96 vtkSmartPointer<vtkRenderer> blueRenderer = 97 vtkSmartPointer<vtkRenderer>::New(); 98 blueRenderer>SetViewport(blueViewport); 99 blueRenderer>AddActor(blueActor); 100 blueRenderer>ResetCamera(); 101 blueRenderer>SetBackground(1.0, 1.0, 1.0); 102 103 vtkSmartPointer<vtkRenderer> cbinedRenderer = 104 vtkSmartPointer<vtkRenderer>::New(); 105 cbinedRenderer>SetViewport(cbinedViewport); 106 cbinedRenderer>AddActor(cbinedActor); 107 cbinedRenderer>ResetCamera(); 108 cbinedRenderer>SetBackground(1.0, 1.0, 1.0); 109 110 vtkSmartPointer<vtkRenderWindow> renderWindow = 111 vtkSmartPointer<vtkRenderWindow>::New(); 112 renderWindow>AddRenderer(redRenderer); 113 renderWindow>AddRenderer(greenRenderer); 114 renderWindow>AddRenderer(blueRenderer); 115 renderWindow>AddRenderer(cbinedRenderer); 116 renderWindow>SetSize(1200, 300); 117 renderWindow>Render(); 118 renderWindow>SetWindowName("ImageAppendCponentsExample"); 119 120 vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = 121 vtkSmartPointer<vtkRenderWindowInteractor>::New(); 122 vtkSmartPointer<vtkInteractorStyleImage> style = 123 vtkSmartPointer<vtkInteractorStyleImage>::New(); 124 125 renderWindowInteractor>SetInteractorStyle(style); 126 renderWindowInteractor>SetRenderWindow(renderWindow); 127 renderWindowInteractor>Initialize(); 128 renderWindowInteractor>Start(); 129 130 return EXIT_SUCCESS; 131 }

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