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The AIM@SHAPE Glossary


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Term Name: boundary representation (brep)
Description :
Geometric representation of objects defined in terms of the faces, edges and vertices which make up its boundary. The boundary of a three dimensional solid is a two dimensional surface, that is usually represented as a collection of faces. Usually, the segmentation of the surface into faces is performed so that the shape of each face has a compact mathematical representation, e.g. that the face lies on a single geometric surface. Faces, again, are often represented in terms of their boundary being a one-dimensional curve. Hence boundary models may be viewed as a hierarchy of models. 
Related terms :
CAD, Winged-edge data structure 
Synonyms :


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