[英]How to display NIFTI image that is read using vtkNIFTIImageReader with VTK
我可以使用vtkNIFTIImageReader顯示切片圖像,代碼如下: https : //github.com/dgobbi/vtk-dicom/blob/master/Examples/TestNIFTIDisplay.cxx
但是,當我嘗試將NIFTI文件渲染為3D對象時,它總是呈空。 如何在VTK中顯示NIFTI對象
vtkSmartPointer<vtkNIFTIImageReader> reader =
vtkSmartPointer<vtkNIFTIImageReader>::New();
reader->SetFileName (filename);
reader->Update();
vtkSmartPointer<vtkPolyDataMapper> mapper =
vtkSmartPointer<vtkPolyDataMapper>::New();
mapper->SetInputConnection(reader->GetOutputPort());
vtkSmartPointer<vtkActor> actor =
vtkSmartPointer<vtkActor>::New();
actor->SetMapper(mapper);
vtkSmartPointer<vtkRenderer> renderer =
vtkSmartPointer<vtkRenderer>::New();
vtkSmartPointer<vtkRenderWindow> renderWindow =
vtkSmartPointer<vtkRenderWindow>::New();
renderWindow->AddRenderer(renderer);
vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
vtkSmartPointer<vtkRenderWindowInteractor>::New();
renderWindowInteractor->SetRenderWindow(renderWindow);
renderer->AddActor(actor);
renderWindow->Render();
renderWindowInteractor->Start();
您必須為圖像(結構化數據)選擇正確的可視化,而不是網格。
您可以嘗試運行行進立方體算法以獲取網格,然后使用多重數據映射器,或使用從vtkvolumemapper派生的內容。
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