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通过Auto LISP编程语言对Auto CAD二次开发,编写了绘制三心拱巷道断面的实用程序,提高了绘图效率,对矿山井下三心拱巷道断面绘制具有很强的参考价值。
Through the Auto LISP programming language, the utility program for drawing 3D cross-section of Sanxin arch was developed for secondary development of AutoCAD, which improved the drawing efficiency and had a strong reference value for drawing the cross-section of three-center-arc roadway in mine.