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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Fri, 6 Feb 2004 02:25:23 GMT
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Viewed:
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1660 times
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In lugnet.cad.ray, Travis Cobbs wrote:
> In lugnet.cad.ray, Mike Thorn wrote:
> > In lugnet.cad.ray, Orion Pobursky wrote:
> > > 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:
>
> 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 enters a transparent material.
>
> I don't know how to change the reflectivity in POV, but a search for "reflect"
> in the file might prove enlightening.
>
> --Travis Cobbs
You're right, I was mistaken. The IOR deals with the transparency.
-Orion
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Message is in Reply To:
 | | 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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