针对梯形钢屋架计算机可视化辅助设计问题展开了研究，依据设计规范，基于OpenGL三维图形库和ANSYS接口编程等技术，采用面向对象软件设计技术实现了梯形钢屋架三维可视化辅助设计系统，通过实例验证取得了良好的效果。%This paper researched the computer visualization aided design problems of trapezoid steel roof truss,according to the design specifica-tion,based on OpenGL 3D graphics library and ANSYS interface programming technology,using the oriented object software design technology realized the 3D visualization aided design system of trapezoid steel roof truss,through the examples made good effect.
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