采用一个与视灭三角形相似的小三角形作为绘图辅助，同时结合量点法中的分量点概念进行作图，就可以很好地解决这个难题，而且能更加快速准确地绘制两点透视图。
This paper introduces the method of using a small triangle which is similar to the vision-vanishing point triangle to solve the problem, so that making perspective drawing more rapidly and precisely.
本文介绍了曲面上投影的计算方法，用计算机绘图技术作为实现这种方法的工具。由此得到一种新的投影视图——映射投影图。
A new analytics of calculating the projection on a curved surface by means of computer-aided drawing skill is presented in this paper.
拖到绘图页上并将其放在正视图旁边。右击可显示或隐藏文本。
Drag onto the page and place next to an elevation view. Right-click to show or hide text.
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