On 22/11/2011 6:50 PM, George White wrote:
> I added in the pigment and still have something that looks very strange when
> front lit. I am working on an animated sequence where I need the front and back
> lit to both work.

I think the problem is that you are mixing additive and subtractive 
colour systems. If you want the overlap to be green try using Cyan 
instead of blue.

#declare Cyan_Material0 =
material{
   texture {
     pigment {
       colour rgbft <0.000,1.000,1.000,0.750,0.200>
     }

     finish {
       ambient     rgb <0.000,0.000,0.000>
       brilliance  1.000
       crand       0.000
       diffuse     0.600
       metallic    0.000
       phong       0.000
       phong_size  40.000
       specular    0.000
       roughness   0.050
       reflection {
         rgb <0.000,0.000,0.000>, rgb <0.000,0.125,0.125>
         fresnel   0
         falloff   0.000
         exponent  1.000
         metallic  0.000
       }
     }

   }

}

#declare Yellow_Material0 =
material{
   texture {
     pigment {
       colour rgbft <1.000,1.000,0.100,0.750,0.200>
     }

     finish {
       ambient     rgb <0.133,0.133,0.000>
       brilliance  1.000
       crand       0.000
       diffuse     0.600
       metallic    0.000
       phong       0.000
       phong_size  40.000
       specular    0.000
       roughness   0.050
       reflection {
         rgb <0.000,0.000,0.000>, rgb <0.100,0.100,0.010>
         fresnel   0
         falloff   0.000
         exponent  1.000
         metallic  0.000
       }
     }

   }

}


-- 
Regards
     Stephen

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