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hidden line algorithms
相关语句
  相似匹配句对
     On line
     行业在线
短句来源
     On-line
     行业在线
短句来源
     Hidden Line Algorithm for Trimmed Surfaces
     Trimmed 曲面的隐藏线消除算法
短句来源
     Hidden Line Removal in a Convex Polyhedron
     凸多面体的消隐线处理
短句来源
     Algorithms for hidden-lines removal of polyhedra on scan line
     基于扫描线的多面体隐藏线消除算法
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  hidden line algorithms
The performance of hidden line algorithms is no bottleneck when working with polyhedral objects but may become one when working with curved objects.
      


A new method for hidden line removing in picture of polyhedra is presented.And the geometric properties of polyhedra are analysed.The hidden line removal algorithm is described in two parts, the hidden line removing in the picture of a single polyhedron and a few polyhedra in the picture.In the first part, the coherent matrix is introduced, and the silhouette polygon of a polyhedron is employed in the second part.The hidden line algorithm gets much faster processing...

A new method for hidden line removing in picture of polyhedra is presented.And the geometric properties of polyhedra are analysed.The hidden line removal algorithm is described in two parts, the hidden line removing in the picture of a single polyhedron and a few polyhedra in the picture.In the first part, the coherent matrix is introduced, and the silhouette polygon of a polyhedron is employed in the second part.The hidden line algorithm gets much faster processing speed by using coherent matrix and silhouette polygon, and it is more efficient than the others.The algorithm has been tested on IBM PC/AT with BASIC.

本文提出了自相关矩阵、轮廓多边形等概念,使得基于CMSP方法的快速隐线消除算法的处理过程简化,执行速度提高.这个算法的执行分多面体自身隐线消除和多面体间遮挡隐线消除两步.该算法已在IBM PC/AT机上使用BASIC语言实现,并从实践的角度验证了它的合理性,可行性.

For an abstracted object only, there exists geometric information and topological information in it,so the design on image data structures is a complex problem.The algorithm-oriented data structures should give more support to the algorithm, so as to speed up its processing.In this paper, the relations between image data structure and hidden line algo-rithm, the rules of the image information storing and the minimum image data set are discussed.An algorithm-oriented 3D-data structure...

For an abstracted object only, there exists geometric information and topological information in it,so the design on image data structures is a complex problem.The algorithm-oriented data structures should give more support to the algorithm, so as to speed up its processing.In this paper, the relations between image data structure and hidden line algo-rithm, the rules of the image information storing and the minimum image data set are discussed.An algorithm-oriented 3D-data structure which supports hidden line eliminating is designed, and the study results of the image data structure to the fast hidden line algorithm based on CMSP method are given.

文中讨论了图形数据结构与消隐算法的关系、图形信息存贮原则及图形数据最小集合等问题.提出了针对消隐算法的图形数据结构的设计思路,并从理论与实践两个方面,对基于CMSP方法的快速消隐算法的图形数据结构设计问题进行了研究与实验.

This paper presents a new efficient hidden-line algorithm for the pre-or-post processes of FEM based on the graphic characteristics of finite element meshes and natures of the digital structure adopted in FEM. This algorithm is introduced to search internal or external element surfaces rapidly, and to produce unrepeated line and ploygons of element. This algorithm has made the hidden-line removing efficiently.

本文利用三维有限元网格图形的性质和计算数据结构的特点,提出了一种高效的空间立体网格图的消隐方法。该方法以最短的时间确定内部、外部单元面和快速生成不重复单元棱线,从而大大地提高了消隐效率。

 
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