Subject:
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Re: More color problems
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Newsgroups:
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lugnet.cad.ray
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Date:
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Thu, 5 Feb 2004 22:00:50 GMT
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Viewed:
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1614 times
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In lugnet.cad.ray, Orion Pobursky wrote:
> I noticed that in the radiosity code you're using option 1 for the color
> library. You could try option 2 which is Todd's LUGNET color includes
The first problem is that I don't know where to get those, and I've never
figured out whether they're included with the radiosity stuff...are they?
> You might consider using shadowless lights
The problem is that the sky sphere still creates shadows. :(
> Since you using the radiosity include, setting the quality to 1 won't remove the
> reflections since both color library option 1 and option 2 override this. You
> can, however, set the idex of refraction lower. The lower the value for this
> number, the less shiny you brick will render.
Well, I tried that and it did make the bricks a bit duller. However, it didn't
fix the problem:
<http://www.roboticsresources.com/norefraction.jpg>
(I rendered the image smaller because I have a 450Mhz computer that I'm doing
the render on. A 640x480 image with Radiosity, 0.3 Antialiasing and -q1 takes
nearly three hours to render. At any rate, you can still see the reflections,
especially in the centre of the image)
I completely removed refraction - turned it down to 0.
Oh, that I knew a lot more about PoV-Ray...
-Mike
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Message has 1 Reply:
 | | Re: More color problems
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| (...) I don't know POV, but I do know that index of refraction (IoR) shouldn't have any effect on reflections. Perhaps it does, but it shouldn't. You need do decrease the reflectivity, not the IoR. The IoR controls how much light bends when it (...) (21 years ago, 6-Feb-04, to lugnet.cad.ray)
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Message is in Reply To:
| | Re: More color problems
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| (...) I noticed that in the radiosity code you're using option 1 for the color library. You could try option 2 which is Todd's LUGNET color includes (...) You might consider using shadowless lights (...) Since you using the radiosity include, (...) (21 years ago, 5-Feb-04, to lugnet.cad.ray)
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