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authors De Floriani, Leila and Falcidieno, Bianca
year 1988
title A Hierarchical Boundary Model for Solid Object Representation
source ACM Transactions on Graphics. January, 1988. vol. 7: pp. 42-60 : ill. includes bibliography
summary A new hierarchical model for solid object representation is described. This model, called a Hierarchical Face Adjacency Hypergraph (HFAH), is based on a relational description of the object boundary, called a Face Adjacency Hypergraph (FAH), which considers faces as the primary topological entities defining the object boundary. The HFAH consists of a hierarchy of FAHs describing the decomposition of the boundary of an object into form features. In this paper the HFAH is described together with its internal encoding structure. Two basic transformations, called refinement and abstraction, are defined on the hierarchical model; these allow effective and efficient modifications of the hierarchical boundary model
keywords representation, computational geometry, solid modeling, algorithms, design, data structures, graphs, features, B-rep
series CADline
references Content-type: text/plain
last changed 2003/06/02 11:58
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