vtk实现构建八叉树且显示的代码，值得学习vtk的同志学习，也值得八叉树构建的参考.加入大数据快速显示代码。需要配置vtk-Reference vtk achieve and build octree code is displayed, it is worth learning vtk comrades to learn, but also worthy Octree Construction

vtk用户说册 甘肃省科学院自动化研究所整理翻译编辑，适合新手参考(VTK user brochure is suitable for novice reference)