一个简单有效的单值曲面消隐算法

本文给出一个在矩形定义域上单值双变量函数和单值插值光顺曲面的计算机图象显示中消去隐藏线的算法。该算法简单有效、存贮量小、实施快速,其子程序具有一定的通用性,可用于矩形定义域上所有类型的单值曲面的消隐问题,适用于各种类型的图象输出设备。该程序可以很容易地加到现有的任意单值曲面的造型程序中,对该曲面进行消隐处理。

A Simple and Efficient Algorithm of Eliminating Hidden Lines for Single-Valued Surface Display

A simple and efficient algorithm for eliminating hidden lines from perspective representations of single-valued functions of two variables and of bivariate interpolation and smooth surfaces fitting on a rectangular region is presented. The algorithm is simple, efficient and speedy. It requires minimal computer storage and can be added easily to the existing programs for smooth surfaces. The routine is a general purpose one. It can be applied to all types of single-valued surfaces on a rectangular region and used for all devices for output of pictures.