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 03:20:16 GMT
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Viewed:
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1728 times
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In lugnet.cad.ray, Mike Thorn wrote:
> In lugnet.cad.ray, Travis Cobbs wrote:
> > 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.
>
> Which makes sense when you compare the two renders and notice that the second
> one (with the IoR at zero) has a much more crystal-like sceptre.
>
> I don't know how much of an L3P-produced POV file is original POV code and how
> much is L3P-generated, so I'll ask this: are either of these lines related to
> the reflectivity?
>
> #declare AMB = 0.4;
> #declare DIF = 0.4;
No, those 2 lines have to do with the type of light in the scene. Have a read
in the POV Scene help file for an explantion of ambient and diffuse light.
-Orion
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Message is in Reply To:
 | | Re: More color problems
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| (...) Which makes sense when you compare the two renders and notice that the second one (with the IoR at zero) has a much more crystal-like sceptre. I don't know how much of an L3P-produced POV file is original POV code and how much is (...) (21 years ago, 6-Feb-04, to lugnet.cad.ray)
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