Defects in boundary representation models often lead to system errors in modeling software and associated applications. This paper analyzes the model rectification problem of manifold boundary models, and argues that a rectify-by-reconstruction approach is needed in order to reach the global optimal
Boundary modelling with special representations
โ Scribed by Ian Stroud
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 815 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0010-4485
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โฆ Synopsis
Since the original boundary-representation modelling techniques were developed, a number of special techniques have been developed to extend the range of objects which can be represented. The paper examines the three common types of special representation: nonmanifold models, degenerate models and partial models. The three types are useful in different circumstances because they have different basic properties, but it is not entirely clear when a particular type should be used. The paper compares the different representations, and describes various implications for modelling algorithms when they are applied to special models or model parts.
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The advent of solid modelling systems, in principle, disjoint interiors) O~ whose union approximates the solid permits the automation of any kind of geometric S. The approximation consists of three types of octants :