Subject:
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Re: Annoying Reflections
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Newsgroups:
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lugnet.cad.ray
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Date:
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Sat, 28 Feb 2004 15:07:51 GMT
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Viewed:
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1479 times
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In lugnet.cad.ray, Mike Thorn wrote:
> Hello all,
>
> It's 12:32am right this minute, so this is going to be very short. My bedtime
> was a looong time ago.
>
> But the last thirty minutes have been well-spent: I've redesigned an MLCAD
> scene and it looks much, much better. Except for one thing.
>
> It has a terrible reflection.
>
> I'm supposed to be showing stone buildings, okay? Now look at this picture:
>
> http://www.roboticsresources.com/aerandir/stone.jpg
>
> Last I heard, unpolished stone (the brown ground does it too) doesn't reflect
> like that. I'm using the LDRAW Radiosity settings, if that's what the problem
> is. It only seems to appear when I have it enabled.
>
> I've tried everything that makes sense to get it to go away; making the
> actual part's color absolutely flat, turning up the DIF variable (no
> effect)...the IOR is 0, FWIW. At any rate, nothing seems to be helping.
>
> I'm going to be adding a big fog cloud right at that spot, so that particular
> reflection won't be seen. However, the ground reflects the stone pretty
> prominently and that will show. I need to get rid of that.
>
> Any help anybody can furnish would be greatly appreciated. I can give you
> parts of the POV file if you would like it.
>
> Thank you for helping me out...once again...
>
> -Mike
Your problem is that the Radiosity include uses it's own color library (unless
you'rs using Color Library option 0). There are 2 solutions, one easy and one
tedious.
The easy solution is to use Color Library option 0. This will have POV-Ray use
the color definitions generated by L3P. The disadvantage to this is that the
stock L3P color look less than optimal when using radiosity.
The tedious solution is to find the color definition in "LDRAW_RAD_COLORl.inc"
(for Color Library 1) or "lugnetcolors.inc" (for Color Library 2), copy it to
the main pov file (make sure you get any of the declare valre it uses as well),
and modify it to have no reflection.
-Orion
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Message has 1 Reply:
 | | Re: Annoying Reflections
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| (...) That explains a lot. Thanks. I tried Todd's normals suggestion and it worked pretty well. I needed some texture anyway. (snip) Miguel also sent me the latest file (I see he's posted it as well) so perhaps on Monday or Tuesday I can finish up (...) (21 years ago, 28-Feb-04, to lugnet.cad.ray, FTX)
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Message is in Reply To:
| | Annoying Reflections
|
| Hello all, It's 12:32am right this minute, so this is going to be very short. My bedtime was a looong time ago. But the last thirty minutes have been well-spent: I've redesigned an MLCAD scene and it looks much, much better. Except for one thing. It (...) (21 years ago, 28-Feb-04, to lugnet.cad.ray, FTX)
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