GEOMETRIC MODELING - SURVEY

被引：67
作者：
BAER, A
EASTMAN, C
HENRION, M
机构：
[1] Institute of Physical Planning, Carnegie-Mellon University, Pittsburgh
来源：
COMPUTER-AIDED DESIGN | 1979年 / 11卷 / 05期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0010-4485(79)90071-X
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
Computer programs are being developed to aid the design of physical systems ranging from individual mechanical parts to entire buildings or ships. These efforts highlight the importance of computer models of three dimensional objects. Issues and alternatives in geometric modelling are discussed and illustrated with comparisons of 11 existing modelling systems, in particular coherently-structured models of polyhedral solids where the faces may be either planar or curved. Four categories of representation are distinguished: data representations that store full, explicit shape information; definition languages with which the user can enter descriptions of shapes into the system, and which can constitute procedural representations; special subsets of the information produced by application programs; and conceptual models that define the logical structure of the data representation and/or definition language. © 1979.
引用
收藏
页码：253 / 272
页数：20
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