Martin Magnusson wrote:

> Is there another way?

Don't think so. I did something similar some time ago. Here's a stripped down version
you might find useful.

texture {
    material_map {
        png ""  map_type 1 once
        #local i=0;
        #local I=255;
        #while (i<=I) 
            texture{ 
                average
                texture_map { 
                    [ i/I   pigment{Pig1} finish {Fin}]  // index 1 ->
                    [ 1-i/I pigment{Pig2} finish {Fin2}] // <- index 256
                }    
            }
            #local i=i+1; 
        #end 
    }
    scale <475,98,0>/475*5
}

--
ICQ 74734588

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