vtkSmartPointer<vtkGPUVolumeRayCastMapper> volumeMapper = vtkSmartPointer<vtkGPUVolumeRayCastMapper>::New(); volumeMapper->SetInputData(reader->GetOutput()); volumeMapper->SetCropping(1);//开启Cropping功能 volumeMapper->SetCroppingRegionPlanes(50, 150, 50, 200, 50, 150); //volumeMapper->SetCroppingRegionFlagsToSubVolume(); volumeMapper->SetCroppingRegionFlags(0x7FFFFFF);
如何获取裁剪后的数据并保存下来，请大神来帮帮忙