Subject:
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Re: Comprehensive meta-command list
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Newsgroups:
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lugnet.cad.dev
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Date:
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Fri, 8 Oct 1999 13:53:11 GMT
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Viewed:
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564 times
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Gary Williams wrote in message ...
>
> Lars C. Hassing wrote in message <939367581.966085@ns.cci.dk>...
> > But I admit that the idea that FACE (C)CW only affects the triangles/
> > quads of the current file, and that INVERT only affects subfiles
> > is much easier to comprehend and thus is a better solution.
> > /Lars
>
>
> In addition to being easier to comprehend, it has the advantage that each
> part and primitive file only has to concern itself with its own vertex
> order, and is not dependent on any other file. This is the primary benefit.
> This makes parts and primitives truly modular and interchangeable.
"...not dependent on any other file..." Well, I hope you agree that files
depend on the inside/outside-definition of subfiles?
Otherwise a file wouldn't know whether or not to use the INVERT.
/Lars
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Message has 2 Replies:
 | | Re: Comprehensive meta-command list
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| (...) I think that the ideia here is: - Assume any file you reference as CCW WINDING (assuming CCW as default) - Assume any file as it's polygonal faces facing outward (if applicable) - Every time you want a diferent orientation, just use the INVERT (...) (25 years ago, 8-Oct-99, to lugnet.cad.dev)
| | | Re: Comprehensive meta-command list
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| Lars C. Hassing wrote in message <939391242.591663@ns.cci.dk>... (...) benefit. (...) I'm not sure I follow. The rendering engine will always assume an implied INVERT whenever it encounters a negative orientation matrix determinant to cancel the (...) (25 years ago, 8-Oct-99, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: Comprehensive meta-command list
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| Lars C. Hassing wrote in message <939367581.966085@ns.cci.dk>... (...) In addition to being easier to comprehend, it has the advantage that each part and primitive file only has to concern itself with its own vertex order, and is not dependent on (...) (25 years ago, 8-Oct-99, to lugnet.cad.dev)
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