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Author Matsushita, Yutaka
Source ACM Digital Library
Content type Text
Publisher Association for Computing Machinery (ACM)
File Format PDF
Language English
Subject Keyword Display programming ♦ Graphics ♦ Computer graphics ♦ Displays ♦ Computer drawn picture ♦ Hidden line problem
Abstract A method is presented of determining which parts of three-dimensional objects are visible and which are invisible when the objects are rotated about some axis. This paper describes a polygon comparison scheme in which the relationships of two polygons can be classified into tree types, and also discusses how the relationship is changed for each pair of polygons under rotation about some axis. A rotation table is defined for each pair of polygons, which remains fixed as long as rotation is about one axis and provides a means of rapidly determining the visible and hidden line relationship between two polygons. Additional work must be done to extend this approach to simultaneous rotation about several axes.
Description Affiliation: Univ. of Illinois at Urbana-Champaign, Urbana (Matsushita, Yutaka)
Age Range 18 to 22 years ♦ above 22 year
Educational Use Research
Education Level UG and PG
Learning Resource Type Article
Publisher Date 2005-08-01
Publisher Place New York
Journal Communications of the ACM (CACM)
Volume Number 15
Issue Number 4
Page Count 8
Starting Page 245
Ending Page 252


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Source: ACM Digital Library