:VTK is a module that allows you to call VTK (Visualization ToolKit) functions from a perl scr ipt. The Visualization ToolKit is an open-source 3D Graphics Visualization library available at www.kitware.com. -:VTK is a module that allows

vtk库配置，在QT环境下进行点云显示编码，利用了VTK库，首先要对VTK库进行配置-vtk library configuration, the QT environment for point cloud display coding, the use of the VTK library, we must first be configured VTK library

This function takes a triangulation (only the list of triangle, not the node coordinates) and assigns an ID to each group of triangles. If some cells are connected together, each cell of that group will have the same ID. It works like the c