Subject:
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Sphere Primitive
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Newsgroups:
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lugnet.cad.dev
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Date:
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Wed, 5 Apr 2000 14:22:20 GMT
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Reply-To:
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rui.martins@STOPSPAMMERSlink.pt
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Viewed:
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2223 times
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Is it just me or the sphere primitives have non planar quads ?
Or is the sphere distorted to allow for planar quads ?
Why where the sphere done in this way instead of the usual (full quads with
triangles on the poles) or (all triangles) ?
I hope there wasa practical reason, like less geometry or something.
See ya
Rui Martins
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Message has 2 Replies:
 | | Re: Sphere Primitive
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| (...) I suspected this problem when I reviewed the precision of all the circular primitives, which is why I left them alone at that time. But... I never went back to check thoroughly! Chris (24 years ago, 5-Apr-00, to lugnet.cad.dev)
| | | Re: Sphere Primitive
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| (...) You'd have to ask James these questions. Only he would know. It *looks* like the non-planar quads could be a rounding error, or rounding limitation, since he used just 2 decimal places. Steve (24 years ago, 5-Apr-00, to lugnet.cad.dev)
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