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本文从几何构型的基本理论出发,系统地研究了基本体素的数据结构和建立方法,以及三维立体裁剪的新方法。建立了一个较完整的画法几何计算机辅助教学系统(简称CADGIS),该系统对画法几何教学过程能进行较为灵活、真实的模拟。
Based on the basic theory of geometrical configuration, this paper systematically studies the data structure and method of basic voxel and the new method of three-dimensional cutting. A relatively complete computer aided teaching system of drawing geometry (CADGIS for short) has been established. The system can make a more flexible and realistic simulation of the teaching of drawing geometry.