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Subject: 
LSC-ratified change to File Format Restrictions for Official Parts
Newsgroups: 
lugnet.cad
Date: 
Tue, 9 Jun 2009 19:11:07 GMT
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The LSC just ratified and made changes to the File Format Restrictions for Official Parts. A section was added to specify colinearity and convexity restrictions for triangle and quads:

Colinear Tolerance/Concave Quads

A quad (line type 4) or triangle (line type 3) must not have aligned vertices. Additionally, quads should always be convex. (Concave quads should be split into two triangles.) To avoid concave quads, as well as aligned vertices in triangles and quads, every interior angle in a quad or triangle must not be greater than 179.9 degrees or smaller than 0.025 degrees. (Note: Parts already in the library or certified on the tracker are not to be re-submitted just to fix any colinear violations.)

--Philippe Hurbain posting for the 2008-2009 LSC.

2008-2009 LSC members:
Travis Cobbs
Jim DeVona
Philippe Hurbain
Orion Pobursky
Scott Wardlaw



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