Subject:
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Re: Question: polygons filling a t-shape
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Newsgroups:
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lugnet.cad
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Date:
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Thu, 4 Dec 2003 07:52:53 GMT
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Viewed:
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554 times
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In lugnet.cad, Larry Pieniazek wrote:
> But I thought that (rgarding quad 2 in the last diagram) collinear points were
> considered an error by the checkers, so that when you submit your part to parts
> tracker it would be flagged???
Yes, L3P detects and warns about the collinear points of the quad.
In the case of splitting the T why don't you just use triangles?
The renderers do that anyway, but then you can take control of the splitting.
I believe quads are mainly a convenient shortcut for making rectangular surfaces.
If you are in the process of subdividing a polygon there's no reason to search for
triangles that can be paired into a quad (though it saves a few bytes of file size).
/Lars
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Message has 1 Reply:
 | | Re: Question: polygons filling a t-shape
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| (...) Actually, with LDraw code, reducing triangle pairs to quads reduces that section of code by 35% (more-or-less). If you've got a lot of surfaces, that's not an insignificant savings of bytes. Steve (21 years ago, 5-Dec-03, to lugnet.cad)
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Message is in Reply To:
| | Re: Question: polygons filling a t-shape
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| (...) Great diagrams, thanks! But I thought that (rgarding quad 2 in the last diagram) collinear points were considered an error by the checkers, so that when you submit your part to parts tracker it would be flagged??? (21 years ago, 4-Dec-03, to lugnet.cad, FTX)
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