VTK&PCL 点云显示 / 曲面重建_fran_cut.vtk

参考：vtk图形图像开发进阶

vtkSmartPointer<vtkPolyDataReader> reader =
        vtkSmartPointer<vtkPolyDataReader>::New();
    reader->SetFileName("fran_cut.vtk");
    reader->Update();
 
    vtkSmartPointer<vtkPolyData> points =
        vtkSmartPointer<vtkPolyData>::New();
    points->SetPoints(reader->GetOutput()->GetPoints());
 
    vtkSmartPointer<vtkSurfaceReconstructionFilter> surf =
        vtkSmartPointer<vtkSurfaceReconstructionFilter>::New();
    surf->SetInputData(points);
    surf->SetNeighborhoodSize(20);
    surf->SetSampleSpacing(0.005);
 
    vtkSmartPointer<vtkContourFilter> contour =
        vtkSmartPointer<vtkContourFilter>::New();
    contour->SetInputConnection(surf->GetOutputPort());
    contour->SetValue(0, 0.0);