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step7.md

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MITK 入门指南 -- 把区域增长分割结果转为曲面

在本节,我们通过一个VTK filter把上一节的分割结果转为曲面模型。其拳代码如下:

Step7Step6基础上修改。修改只是在StartRegionGrowing()方法内增加对结果图像的处理,使其产生曲面文件。代码如下:

if(m_ResultImage.IsNotNull())
  {
    m_ResultNode->SetProperty("volumerendering", mitk::BoolProperty::New(false));
    vtkMarchingCubes* surfaceCreator = vtkMarchingCubes::New();
    surfaceCreator->SetInput(m_ResultImage->GetVtkImageData());
    surfaceCreator->SetValue(0, 1);
    mitk::Surface::Pointer surface = mitk::Surface::New();
    surface->SetVtkPolyData(surfaceCreator->GetOutput());
    mitk::DataNode::Pointer surfaceNode = mitk::DataNode::New();
    surfaceNode->SetData(surface);
    m_DataStorage->Add(surfaceNode);
    mitk::RenderingManager::GetInstance()->RequestUpdateAll();
    std::cout << "8";
    surfaceCreator->Delete();
  }

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