一个基于dialog 的opengl 程序，可以显示点云，文件格式为.nod-One of the opengl-based dialog program can display point cloud, the file format. Nod

该程序实现了读取各种点云数据，并用OPENGL显示，同时实现了用鼠标的操作，包括放大、缩孝平移等！ -The program reads a variety of point cloud data, and OpenGL, mouse operation, including amplification, reduced filial piety pan!