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authors Gossard, D.C., Zuffante, R.P. and Sakurai, H.
year 1988
title Representing Dimensions, Tolerances, and Features in MCAE Systems
source IEEE Computer Graphics and Applications. March, 1988. vol. 8: pp. 51-59 : ill. includes bibliography
summary Presented is a method for explicitly representing dimensions, tolerances, and geometric features in solid models. The method combines CSG and boundary representations in a graph structure called an object graph. Dimensions are represented by a relative position operator. The method can automatically translate changes in dimensional values into corresponding changes in geometry and topology. The representation provides an important foundation for higher level application programs to automate the redesign of assemblies and to automate tolerance analysis and synthesis. A prototype interactive polyhedral modeler based on this representation was implemented
keywords CAE, B-rep, representation, CAD, CAM, features, dimensioning, tolerances, graphs, topology, geometric modeling, assemblies
series CADline
references Content-type: text/plain
last changed 2003/06/02 12:42
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