stl包含大量冗余点，此程序实现了stl文件的读取与用opengl显示出来-read stl files and show it out

程序内容是在hoops和acis的基础上读取iges格式文件和stl格式的文件，如果需要开发相关的程序，可以直接应用内部本程序的读取文件源代码-The contents of the program to read the iges format of the file and stl file format, if you need to develop the program, read the file in the source code of the internal This pro

STL三维图形文件读取及显示，对三维图形建模等功能有参考意义，用OPENGL实现-STL 3D graphics file read and display three-dimensional graphics modeling reference, with OpenGL