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I've tried everything that I can think of. I've checked the POV-Ray 3.1
doc's and the examples in the scene files that are included with POV.
Whenever I use media with a black or dark background/objects, it stands
out and is easy to see. However when I use white or lighter colored
objects in the background, you can't see it. I've include the code here
and posted a small *.jpg of this code in the povray.binaries.images
newsgroup with the same message title as this message.
//start code//
camera { location <0,0,-5>
look_at <0,0,0> }
light_source {<0,20,-130>rgb 1}
light_source {<-10,30,-60>rgb 1}
sphere {0,1 pigment {rgbf 1}
interior { media {
emission 1 intervals 3 samples 1,10 confidence .9999 variance 1/1000
density { spherical color_map {
[0 rgb <0,0,0>][.5 rgb <1,0,0>][1 rgb <0,0,0>] } scale .5 }
} } scale 2 hollow }
box {<-5,-.25,.5><5,.25,1> pigment {rgb 1} }
box {<-5,-15,.501><5,15,1.01> pigment {rgb 0} }
//end code//
thanks for your help in advance...
jason
www.angelfire.com/co/ug
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Jason Dinger wrote:
>
> I've tried everything that I can think of. I've checked the POV-Ray 3.1
> doc's and the examples in the scene files that are included with POV.
> Whenever I use media with a black or dark background/objects, it stands
> out and is easy to see. However when I use white or lighter colored
> objects in the background, you can't see it. I've include the code here
> and posted a small *.jpg of this code in the povray.binaries.images
> newsgroup with the same message title as this message.
>
> //start code//
> camera { location <0,0,-5>
> look_at <0,0,0> }
>
> light_source {<0,20,-130>rgb 1}
> light_source {<-10,30,-60>rgb 1}
>
> sphere {0,1 pigment {rgbf 1}
> interior { media {
> emission 1 intervals 3 samples 1,10 confidence .9999 variance 1/1000
> density { spherical color_map {
> [0 rgb <0,0,0>][.5 rgb <1,0,0>][1 rgb <0,0,0>] } scale .5 }
> } } scale 2 hollow }
>
> box {<-5,-.25,.5><5,.25,1> pigment {rgb 1} }
>
> box {<-5,-15,.501><5,15,1.01> pigment {rgb 0} }
>
> //end code//
>
> thanks for your help in advance...
>
> jason
>
> www.angelfire.com/co/ug
A couple two of three things you can do to increase the visibility
of your media.
1.) Increase the values in the color map above 1
2.) increase the emmisivity of the media. There is no reason you have to stay
below a value of 1.
3.) Add a scattering parameter to the media and intensify your light sources.
By intinsify I mean use values above 1 ie light_source{ <0,0,0> rgb 5 }.
--
Ken Tyler
mailto://tylereng@pacbell.net
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