I'm having problems getting this dust ring to look right. I'm using a
media filled torus, and it looks ok in the light, but isn't casting a
shadow. The relavent code is:

torus { 20, 0.9
        pigment {color rgbt 1.0}	
        finish {
		diffuse 0.4
		ambient 0.8
		}
        interior {
                media {
                        scattering { 2, rgb 0.5 extinction 0.5 }
                        //emission 0.4
                        intervals 1
                        samples 1, 5
                        confidence 0.9999
                        variance 1/1000
                        density {
                                bozo
                                ramp_wave
                                turbulence 0.0
                                color_map {
                                        [0.0 color rgb <0, 0, 0>]
                                        [0.5 color rgb <0, 0, 0>]
                                        [0.65 color rgb 0.3]
                                        [0.88 color rgb 0.35]
                                        [1.0 color rgb 0.38]
                                        }
                                scale 0.1
                                }
                }
        }
        hollow
        translate <-7,0,30> 
        } 

Any suggestions?

-Ed

-- 
Edward Wedig
aka Doc Brown
Graphic Artist, 3D Designer, Gamemaster, Nice Guy
http://www.netwalk.com/~docbrown

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