Subject:
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Re: Hidden surface removal, and vertex order in part/primitive DAT files
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Newsgroups:
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lugnet.cad.dev
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Date:
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Sun, 3 Oct 1999 21:10:59 GMT
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Viewed:
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661 times
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Leonardo Zide wrote:
>
> Steve Bliss wrote:
> >
> > This isn't automatic, but what if the program interrogates the user to pick
> > a side which is facing outward? From that information, the program could
> > then mark-up all adjacent sides. If the program ran out of sides, it could
> > re-interrogate for another side.
you should consider that there are a lot of such groups of sides in one
brick! Thus,
the approach described by Leonardo is better:
> Instead of asking the user, the program could first try to cast rays
> and then only if there are any faces left it asks the user. I've started
> writing my own converter and it worked correctly with the 'standard'
> bricks but had a few problems with other parts (probably because of the
> precision).
Now, my main problem is: how can I find enough time to translate and
check all the bricks! I guess my code works quite well now. But it still
stays some bugs and for some briks it can orient ALL the faces.
> Leonardo
bye
jp
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