Subject:
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Re: CW/CCW, vertex sequence, co-planar, convex, (115kB)
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Newsgroups:
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lugnet.cad.dev
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Date:
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Fri, 1 Oct 1999 19:44:00 GMT
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Viewed:
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803 times
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In lugnet.cad.dev, Leonardo Zide writes:
> with a little more work this could be
> turned into a better program and part authors could use it to check
> their parts before submiting for voting. Of course, having a program
> that does all the work automatically would be much better :)
>
> Leonardo
why can't you simply mod your proggy to handle the conversion automatically?? i
mean.. if your proggy is smart enough to detect uninified normals and then
allows the user to press a key to mod the CW/CCW property of the face, why
can't you just make the routine skip user intervention and flip every face that
comes up in the wrong direction?
J
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Message has 1 Reply:
 | | Re: CW/CCW, vertex sequence, co-planar, convex, (115kB)
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| (...) Because the program doesn't work that way, it just turns backface culling on and draws everything in green, then switch to "frontface culling" (does it exist ?) and draws everything red. I've been busy finishing my first game project (not Lego (...) (25 years ago, 1-Oct-99, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: CW/CCW, vertex sequence, co-planar, convex, (115kB)
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| (...) If we know that a face is CW, why not change it to CCW ? The most difficult task is to discover the orientation of a face, but once we have that information anyone can change the order of the points and fix the face. (...) This can be done (...) (25 years ago, 1-Oct-99, to lugnet.cad.dev)
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