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authors Kalay, Yehuda E.
year 1981
title Interactive Shape Generation and Spatial Conflict Testing
source ACM IEEE Design Automation Conference Proceedings (18th : 1981 : Nashville, Tennessee). pp. 75-81 : ill. includes bibliography
summary A general purpose, research oriented, interactive modeling system is presented. It is based on two different coherent polyhedral shape representations: a planar graph, used for computation and data manipulation, and relational-database for compact store and general communication with application programs. The two representations effectively partition the system shape-space into active and inactive shapes, respectively. These are explicitly interchangeable by the user, keeping the actual workspace at a manageable size. The basic functionalities provided by the system include the combination of primitive shapes into complex objects by means of spatial set operators (union, intersection and difference), their modeling by means of scaling, rotation and translation, spatial interference detection and graphical display capabilities
keywords geometric modeling, solid modeling, representation, boolean operations, B-rep, intersection
series CADline
references Content-type: text/plain
last changed 2003/06/02 11:58
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