Issue 5877: CadBrep module issue (cad-ftf)
Source: CAxOPEN GmbH (Mr. Andreas Korn, korn(at)caxopen.de)
Nature: Uncategorized Issue
Severity: 
Summary: In the CadBrep module there are almost always two ways to traverse the topology: from the top level entities like Body to the underlying entites like Shell, Face, Edge, ... and the other way. For example I can get from Face to the OrientedFace which aggregates the Face or I can ask the OrientedShell in which Body it is contained. This does not make much sense to me. I always thought the topology is more or less hierarchical with Body is composed of OrientedShells which has reference to Shell and so on.
Unless I am missing something important, it is just some not so small overhead to have all those relations at hand and being uptodate with them. I would place such things in a client for I see it as application specific, if it is neccessary or not.

Resolution: 
Revised Text: 
Actions taken:
March 3, 2003: received issue
Discussion: 

End of Annotations:=====
Date: Mon, 03 Mar 2003 09:51:08 +0100 
From: Andreas Korn <korn@caxopen.de> 
Reply-To: korn@caxopen.de 
Organization: CAxOPEN GmbH 
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To: issues@omg.org 
Subject: CADServices 1.1 


Hi.
In the CadBrep module there are almost always two ways to traverse the topology: from the top level entities like Body to the underlying entites like Shell, Face, Edge, ... and the other way. For example I can get from Face to the OrientedFace which aggregates the Face or I can ask the OrientedShell in which Body it is contained. This does not make much sense to me. I always thought the topology is more or less hierarchical with Body is composed of OrientedShells which has reference to Shell and so on.
Unless I am missing something important, it is just some not so small overhead to have all those relations at hand and being uptodate with them. I would place such things in a client for I see it as application specific, if it is neccessary or not.



Andreas Korn
-- 
Do not meddle in the affairs of wizards,
for they are subtle and quick to anger!
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Andreas Korn, CAxOPEN GmbH, Europaallee 10, 67657 Kaiserslautern
fon: +49.631.30323.52 fax: +49.631.30323.02
eMail: korn@caxopen.de
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