On 12/02/2015 23:09, Mike Horvath wrote:

>
> I just tried that but didn't notice much of a difference. Maybe because
> I am using parallel lights and camera?

I think that the fault is on my part. (Sorry for the delay in replying.)
I don't write my own code I use a modeller and there was a cut and paste 
problem in my last post.

The attached image shows a coloured reflection.

The bands are (R to L) Cu reflection, no colour in reflection and brick 
pattern with the mortar having a coloured reflection.

#declare SMcA_BlackCu =
texture {
   pigment {
     color rgbft <0.122,0.122,0.122,0.000,0.000>
   }

   finish {
     ambient     rgb <0.100,0.100,0.100>
     brilliance  1.000
     crand       0.000
     diffuse     0.600
     metallic    1.000
     phong       0.000
     phong_size  40.000
     specular    0.000
     roughness   0.050
     reflection {
       rgb <0.481,0.301,0.133>, rgb <0.722,0.451,0.200>
       fresnel   0
       falloff   0.000
       exponent  1.000
       metallic  0.000
     }
   }

}


-- 

Regards
     Stephen

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