STL文件读取程序（Matlab）：可以将ASCII格式的STL文件中的数据点信息及网格拓扑信息读出，并显示在屏幕上-a MATLAB program which gets the name of an ASCII STL (Stereolithography) file from the user, reads the 3D graphics information stored in the file, and displays the structure on the screen.

OBJ文件读取程序：可以读取ASCII格式OBJ后缀的3D图形文件中的数据信息，并显示在屏幕上-a MATLAB program which gets the name of an ASCII OBJ file from the user, reads the 3D graphics information stored in the file, and displays the structure on the screen