alphaQuad wrote:
> 80 = 20 here:
> #declare tiletex =
> texture {
>     pigment { uv_mapping
>       gradient x
>       pigment_map{
>         [1/20 rgb 0][1/20 gradient y
>           colour_map{
>             [1/20 rgb 0]
>             [1/20 rgb <0.78431, 0.78431, 0.78431>]
>           }
>         ]
>       }
>       scale -<1/10,1/20,1>
>     }
> }
> 
>
http://news.povray.org/povray.binaries.images/attachment/%3Cweb.48aaf1a091e8c8de6fa8d7740%40news.povray.org%3E/mirrorsp
> heres4.png
>
http://news.povray.org/povray.binaries.images/attachment/%3Cweb.48ab05fa91e8c8de6fa8d7740%40news.povray.org%3E/mirrorsp
> heres4.zip
> 

Thanks!  That will be quite helpful, I think.  I can see from your image 
that it works well.

-- 
// The Mildly Infamous Blue Herring
#version 3.61;#include"functions.inc"global_settings{assumed_gamma
2.2}isosurface{function{-f_strophoid(x/2-.45,y,z*3,1,1.2,1,1.5)-.05}
contained_by{box{<-2.1,-1,-1/3>,<1.4,1,1/3>}}max_gradient 12inverse
hollow pigment{rgbf 1}interior{media{samples 8 emission<3,80,150>/255
density{crackle metric 1color_map{[0rgb 6][.03rgb 0][1rgb 0]}scale<1,
2,1>warp{turbulence<.5,.75,.5>}scale 1/3}}}translate z*3}

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