STL完整源码,实现STL文件的读写和三维体的重建及其分析-STL integrity of the source code, achieving literacy STL files and 3-D reconstruction and Analysis

stl文件的读取，删除重复的点和边，进行拓扑重构，得到新的数据结构-stl file to read, delete duplicate vertices and edges, the topology reconstruction, new data structures