VTK 实例28：将JPG类型的灰度图像进行彩色映射(图像彩色映射)

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 <vtkImageLuminance.h> 14 #include <vtkLookupTable.h> 15 #include <vtkImageMapToColors.h> 16 17 //测试图像：../data/lenagray.jpg 18 int main(int argc, char* argv[]) 19 ; 46 double shiftscaleViewport[4] = ; 47 48 vtkSmartPointer<vtkRenderer> originalRenderer = 49 vtkSmartPointer<vtkRenderer>::New(); 50 originalRenderer>SetViewport(originalViewport); 51 originalRenderer>AddActor(originalActor); 52 originalRenderer>ResetCamera(); 53 originalRenderer>SetBackground(1.0, 1.0, 1.0); 54 55 vtkSmartPointer<vtkRenderer> shiftscaleRenderer = 56 vtkSmartPointer<vtkRenderer>::New(); 57 shiftscaleRenderer>SetViewport(shiftscaleViewport); 58 shiftscaleRenderer>AddActor(shiftscaleActor); 59 shiftscaleRenderer>ResetCamera(); 60 shiftscaleRenderer>SetBackground(1.0, 1.0, 0.8); 61 62 vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New(); 64 renderWindow>AddRenderer(originalRenderer); 65 renderWindow>AddRenderer(shiftscaleRenderer); 66 renderWindow>SetSize(900, 300); 67 renderWindow>Render(); 68 renderWindow>SetWindowName("Gray2ColorImageExample"); 69 70 vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = 71 vtkSmartPointer<vtkRenderWindowInteractor>::New(); 72 vtkSmartPointer<vtkInteractorStyleImage> style = 73 vtkSmartPointer<vtkInteractorStyleImage>::New(); 74 75 renderWindowInteractor>SetInteractorStyle(style); 76 renderWindowInteractor>SetRenderWindow(renderWindow); 77 renderWindowInteractor>Initialize(); 78 renderWindowInteractor>Start(); 79 80 return EXIT_SUCCESS; 81 }

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