Subject:
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Re: Detemining Bad Vertex Sequence
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Newsgroups:
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lugnet.cad.dev
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Date:
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Thu, 12 Sep 2002 16:14:59 GMT
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Viewed:
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416 times
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In lugnet.cad.dev, Steve Bliss writes:
> What would be especially good is if there was an option to test and flip
> adjacent polygons. Once the winding of one polygon is known, adjacent
> polygons can be automatically wound correctly.
I'm not so sure this is completely true because we allow overlapping
and intersecting polygons. In fact, there is nothing which prevents
a single polygon face from being partly on the outside and partly on
the inside. You can't automagically fix that without breaking up the
polygon.
Don
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Message has 1 Reply:
 | | Re: Detemining Bad Vertex Sequence
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| (...) Right. There are definitely situations in ldraw parts that won't fit the nice all-polygons-in-a-mesh model. That's why I said that auto-rewind should be an 'option'. Meaning, the user can turn it off. Although for a part to be BFC compliant, (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: Detemining Bad Vertex Sequence
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| (...) What would be especially good is if there was an option to test and flip adjacent polygons. Once the winding of one polygon is known, adjacent polygons can be automatically wound correctly. So you click one red polygon, and all the polygons (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev)
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