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I am currently trying to accurately model the sun. I am have had the best
success using a media filled sphere with a light in it's center. This works
wonderfully when set to type 5 with eccentricity 0.75, but when you scale
this to a large enough sphere to be seen at long distances, about a radius
of 300 at 1000 away, the edges appear black against the sky and do not blend
well at all. Here is the code I am using:
#declare Sun=material{texture{pigment{color rgbf<1,0.8,0.6,1>}
finish{ambient 1.0}}
interior{media{intervals 200 samples 1,100 scattering{5,
rgb<0.25,0.25,0.25> eccentricity 0.75}}}
}
Any ideas on how to make it so it is not so dark around the edges?
--Thanks,
T'vakah
----------------------------------------------------------------------------
--------------------------------------------------
A small project I am working on now:
http://backdoor.to/edertav/
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Well, media is scale dependant, you will need to change the density to
get the same effect in a large sphere as a small one. Also, you might
want to try an emitting media.
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I'm not sure this will work, but try changing your rgbf pigment to rgbt. Maybe
the media is blocking the light -- it says in the POV-Ray manual that rgbf will
cast shadows and rgbt will not when used on a media object.
T'vakah wrote:
> I am currently trying to accurately model the sun. I am have had the best
> success using a media filled sphere with a light in it's center. This works
> wonderfully when set to type 5 with eccentricity 0.75, but when you scale
> this to a large enough sphere to be seen at long distances, about a radius
> of 300 at 1000 away, the edges appear black against the sky and do not blend
> well at all. Here is the code I am using:
>
> #declare Sun=material{texture{pigment{color rgbf<1,0.8,0.6,1>}
> finish{ambient 1.0}}
> interior{media{intervals 200 samples 1,100 scattering{5,
> rgb<0.25,0.25,0.25> eccentricity 0.75}}}
> }
>
> Any ideas on how to make it so it is not so dark around the edges?
>
> --Thanks,
> T'vakah
>
> ----------------------------------------------------------------------------
> --------------------------------------------------
>
> A small project I am working on now:
> http://backdoor.to/edertav/
Post a reply to this message
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