Article ID Journal Published Year Pages File Type
440443 Computer-Aided Design 2007 10 Pages PDF
Abstract

We introduce a novel representation for visibility in three dimensions and describe an efficient algorithm to construct it. The data structure is a spherical map that consists of a doubly-connected edge list embedded on the surface of a sphere. Each face of the spherical map is labeled with the polygon visible in the corresponding cone. We demonstrate that the algorithm is efficient and robust by presenting the statistics of its time and space requirements for handling several classes of input.

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Related Topics
Physical Sciences and Engineering Computer Science Computer Graphics and Computer-Aided Design
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