理学 图形裁剪 释 polygon clipping 多边形裁剪 对于一个多边形，可以把它分解为边界的线段逐段进行裁剪。但这样做会使原来封闭的多边形变成不封闭的或者一些离散的线段。当多边形作为实区域考虑时，封闭的多边形裁剪后仍应当是封闭的多边形，以便进行填充。为此，可以使用Sutherland-Hodgeman算法。该算法的基本思想是一次用窗口的一条边裁剪多边形。
polygon clipping 多边形修剪
计算机应用 计算机辅助设计与图形学 释文 polygon clipping 多边形裁剪
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