Mike Williams wrote:

> Another way to do it is to use the phi function "f_ph()". That makes the
> lines more even. You could also use the theta function "f_th()" for the
> lines of longitude, but there'd be no difference from using the radial
> pattern.
> 
> #include "functions.inc"
> 
> sphere {0,1
>  texture{
>   pigment {function {f_ph(x,y,z)*6}
>     colour_map{[0.1 rgb 1][0.1 rgb 0]}
>     scale 0.15
>   }      
>  }
>  texture {
>   pigment {radial frequency 30
>     colour_map{[0.1 rgb 1][0.1 rgbt <0,0,0,1>]}
>   }
>  }
> }


These are exactly the two hints I was looking for.

Thanks, also to the others.

regards
Hadmut

Post a reply to this message