Re: Adding new things

On Thursday, 25. March 2004 15:49, Leon Pennington wrote:
> > For csg evaluation: More about that later today or tomorrow.

Which csg libraries did you found?
The one I found is breplibrary http://breplibrary.sourceforge.net/

It's used in 3dom, a linux modeler.

The header comment in PMViewStructure:

 * Represents the view structure (points, lines, faces) of an object
 *
 * Faces are not implemented yet but are needed later to calculate the view
 * structure of csg objects

I allways planned to add faces to the view structure, that comment is there 
for quite a long time now. Normally the order of the points determin the 
inside and outside, or more mathematically, the direction of the normal 
vector. I think all csg libraries follow this principle.


-- 
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 Andreas Zehender
 Master of Computer Science, Dipl. Ing. (BA)
 http://www.azweb.de
 [email protected] | [email protected]      
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