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I think there's a bug in megapov when using radiosity along with
layered textures: I tried to use a layered texture to put dirt on a
surface and the dirt was much brighter than the rest although it had the
same ambient (0) and diffuse. I seem to remember someone reporting a
similar problem and fixing it by increasing the max_trace_level but in
this case it didn't work (no difference at all with a max_trace_level of
200). Then I tried lowering the diffuse of the dirt and it actually
became *brighter*?!! (only the dirt, while when I raised the diffuse of
the dirt, the whole image became brighter, as I would expect)
--
* Abandon the search for truth, * mailto:ber### [at] iname com
* Settle for a good fantasy. * http://www.enst.fr/~jberger
*********************************
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Any (small) example scene?
--
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):_;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
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I ran into this with layered textures upon a reflective surface, but I
assumed it was a more accurate method within MegaPov. I'm still not sure the
changes I made were appropriate.
Grim
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From: Jérôme M Berger
Subject: Re: MegaPov + radiosity + layered textures
Date: 29 Dec 2000 05:20:07
Message: <3A4C6557.C7E404C5@enst.fr>
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Warp wrote:
>
> Any (small) example scene?
>
My (big) irtc entry for contrast :) I'll try to reproduce the effect on
a slimmed down version as soon as I've finished the real thing...
--
* Abandon the search for truth, * mailto:ber### [at] inamecom
* Settle for a good fantasy. * http://www.enst.fr/~jberger
*********************************
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Were you using a single finish statement, or more then one? I'm not sure
multiple finishes makes much sense. Anyway, that's where I had my problem. I
just layered pigments and used a single finish and normal, though I wanted
two different finishes and normals.
Grim
news:3A4C6557.C7E404C5@enst.fr...
Warp wrote:
>
> Any (small) example scene?
>
My (big) irtc entry for contrast :) I'll try to reproduce the effect on
a slimmed down version as soon as I've finished the real thing...
--
* Abandon the search for truth, * mailto:ber### [at] inamecom
* Settle for a good fantasy. * http://www.enst.fr/~jberger
*********************************
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