I got i working now but with a strange result as can be seen here:
http://www.harry-arends.nl/werkgroep/images/ParabolicDishVersion1.png

It looks that the plane is playing havoc or is this normal behaivior?

"Cousin Ricky" <rickysttATyahooDOTcom> wrote:
> "gharryh" <h.a### [at] harry-arendsnl> wrote:
> > But the question is how make i the dish look like its made out of mesh
>
> Try a patterned texture with transparent holes, such as this:
>
> [code]
> #declare clear_al = texture
> { gradient z texture_map
>   { [0.1 Aluminum]
>     [0.1 gradient x texture_map
>       { [0.1 Aluminum]
>         [0.1 pigment { rgbt 1 }]
>       }
>     ]
>   }
>   scale 60
> }
> [/code]
>
> You would have to remove the finish statement from the BasicDish declaration, or
> else you will get a parse error.  If you like, you can redefine texture Aluminum
> to include that finish:
>
> [code]
> #include "textures.inc"
> #declare Aluminum = texture
> { Aluminum
>   finish
>   { ambient 0.2
>     diffuse 0.8
>     phong 1.0
>     phong_size 10
>   }
> }
> [/code]

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