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John M. Dlugosz wrote in message <3aaebef8@news.povray.org>...
>Is it *possible* to port these textures over? This is not a slight
roundoff
>problem or a "bug" -- this is the fractal function that they were designed
>for! Just like we have several to choose from now, we still need the old
>one. Maybe that's not what the function was meant to be when it was
>written, but what it *is* was appreciated by some and used as such.
To port color_maps/pigment_maps/whatever_maps from the old (clipped) noise3D
to the new (scaled) version, divide all map indices by 2 and add 0.25. For
example,
color_map{
[.2 rgb 1]
[.5 rgb <1,1,0>]
[.7 rgb <0,0,1>]
}
becomes
color_map{
[.35 rgb 1]
[.5 rgb <1,1,0>]
[.6 rgb <0,0,1>]
}
--
Mark
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