Subject:
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Could someone run a perspective mode test on ldglite?
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Newsgroups:
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lugnet.cad.dev.mac
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Date:
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Thu, 6 Jun 2002 14:16:46 GMT
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Viewed:
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1752 times
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While following up on the latest round of bug reports I noticed
this page.
http://wind.prohosting.com/anoved/lego.shtml
Neat pics, but while viewing them I realized that all of the
perspective (non-orthographic) views displayed a lot of z-fighting
(underlying surfaces and lines bleeding through). This also
used to happen in Mesa because of the default 16bit zbuffer.
I fixed it there by moving the znear and zfar clip planes closer
together if GL_DEPTH_BITS reports a value less than 24. Perhaps
I need to do it for values less than 32 instead. If I recall,
someone posted that ATI rage 128 used on the Macs posted a value
of GL_DEPTH_BITS = 24 when ldglite is run. Can someone verify
this?
Also, could someone try some perspective mode viewing with these
command line settings to see if it fixes the bleeding?
-z100 -Z2000 -J
If so, I'll make it the default in the code. Or maybe I'll even
calculate the best settings on the fly. This should be possible
with the l3 parser. I think it already calculates a bounding box
for the model.
-z100 -Z2000 -J
Thanks,
Don
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Message has 2 Replies:
Message is in Reply To:
 | | Re: Some bugs with LDGLite
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| (...) Oh no, that's a real bug, and not just on the Mac. Thanks for finding it. The 'r' key switches between the l3 and the ldlite parsers. I could swear I disabled that key for LEDIT mode because editing requires the data structures provided by the (...) (22 years ago, 6-Jun-02, to lugnet.cad.dev.mac)
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