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authors Halbert, A.R., Todd, A.J.P. and Woodwark, J.R.
year 1988
title Generalizing Active Zones for Set-Theoretic Solid Models
source 8 p. : ill Winchester, UK: IBM UK Scientific Centre, January, 1988. IBM UKSC Report 182. includes bibliography.
summary A major drawback of the set-theoretic solid model is the global and non-unique way in which it is defined. In a recent paper, Rossignac and Voelcker introduced the concept of the active zone of a primitive or sub-model, which provides a localization of a set-theoretic model which is useful for a number of purposes. A more general, but simplified, definition of the active zone is presented which exploits the properties of the symmetric difference operator. A novel application of the active zone to the interactive graphical editing of set- theoretic solid models is also outlined
keywords solid modeling, boolean operations, CSG
series CADline
references Content-type: text/plain
last changed 2003/06/02 11:58
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