Firstly, the surface was dispersed into quadrangular meshes, then, the self-hidden lines were removed from the surface by the algorithm of removing hidden lines.
首先将方程曲面离散成四边形网格，然后采用消隐算法消除曲面的自隐藏线。
By the principle of the removing the hidden lines and surfaces, the advantages, disadvantages and the range of application of algorithms for removing the hidden lines and surfaces are analyzed.
根据图形消隐的基本原理，概述了当前在三维图形处理中最主要的物体空间消隐算法和图象空间消隐算法，对各种算法的优缺点和适用范围作了总结和比较。
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