该程序用于读入.STL格式的文件，并将其存入到一个链表中。-the procedures to be used for reading. STL format of the document, and save them to a chain list.

STL文件读取，方法用的是VTK。供初学者学习，两种STL格式都可以读取。-STL file read method using VTK. For beginners to learn the two STL format can be read.

在matlab中读入CAD模型的stl文件，直接获得离散点数据和法矢信息，并可视化显示CAD模型-Read in the STL file of CAD model in matlab, direct access to information discrete points and the method of vector data, and visual display of CAD model