Tor Olav Kristensen wrote:
> 
> Any comments ?
>

I'd like to see some way to specify color_map indices in the macro call.
Perhaps have the macro take an array as a parameter. Something like:

array[6][Number of indices]
{
{Position, StartP, StartV, EndP, EndV, Nr_of_entries},
{Position, StartP, StartV, EndP, EndV, Nr_of_entries},
...
}

> Are there other ways to get smooth transitions
> between colours in a color_map ?
> 

MegaPOV has built-in spline functions. They work very much like your
macro, but IIRC only linear and cubic splines are supported. The basic
method would still have to be the same, though.

Margus

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