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两种三维图形消隐算法的改进
引用本文:陶涛,朱仁芝.两种三维图形消隐算法的改进[J].电脑开发与应用,1997,10(4):30-31,36.
作者姓名:陶涛  朱仁芝
作者单位:中国科技大学
摘    要:在介绍了Roberts算法和画家算法的基础上,提出了其改进算法。前者的改进算法克服了用于凹体或多个形体时不可行的缺点,可实现任意数目和形状的三维形体的隐线消除;而后者的改进算法则克服了要满足物体的表面顺利排序的要求而只能是方体和效率较低的不足,一次成图,省去反复覆盖,且对物体的数目和形状不限。

关 键 词:算法改进,图形消隐,三维形体,画家算法,Roberts算法

Improvement on Two 3D Graph Blanking Algorithms
Tao Tao et al.Improvement on Two 3D Graph Blanking Algorithms[J].Computer Development & Applications,1997,10(4):30-31,36.
Authors:Tao Tao
Affiliation:Tao Tao et al
Abstract:Based on the Roberts algorithm and painters algorithm,two improved algorithms are proposed.The former improved algorithm overcomes the shortcoming that can not used in trough or multiobjects,and can achieve hiddenline removal of 3D subject in arbitrary amount and shapes;the latter improved algorithm overcome the shortcoming of limitation of square subject and low efficiency to meet the requirements of smooth sequence,the algorithm has the features of pictureforming in one time which avoid covering repeatly and no restriction on numbers and shapes of subject.
Keywords:algorithm improvement  graph blanking  3-D subject  painter algorithm  Roberts algorithm
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