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authors Kalay, Yehuda E.
year 1983
title A Relational Database for Non-Manipulative Representation of Solid Objects
source Computer Aided Design September, 1983. vol. 15: pp. 271-276 : ill. includes bibliography.
summary Being the heart of any solid modeling system, much effort has been spent on formulating the data models which represent the shape of a polyhedral solid object within the computer in an accurate, unique and complete manner. This paper presents an example relational model as a complementary logical schema for viewing the shape database. It facilitates compact storage and supports non-manipulative query operations through the projection, selection and join operators defined for the relational model, without requiring expert knowledge of the manipulative structure. The flexibility of the relational model, compared with that of the hierarchical, manipulative one, allows easy extensibility and the association of non- geometric attributes with each data item
keywords solid modeling, polyhedra, relational database, representation
series CADline
email kalay@socrates.berkeley.edu
references Content-type: text/plain
last changed 2003/06/02 11:58
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