In article <38d0a778@news.povray.org>, Nieminen Juha 
<war### [at] sarakerttunencstutfi> wrote:

>   How hard would it be to make a patch that allows to specify a pattern 
> for each color component of the pigment separately?
>   I mean that the red component could have a bozo pattern, the green 
> component a marble pattern, the blue a granite pattern and the filter 
> a wood pattern.

I think this is already possible by using 3 layered textures with 
transmit and a fourth with filter. That is pretty clunky, though.

How about a new pigment_map type, "additive", which holds multiple 
pigments and adds up their results, with a syntax similar to "average".
You could use one pigment for the red, another for the green, and a 
third for the blue, etc.

-- 
Chris Huff
e-mail: chr### [at] yahoocom
Web page: http://chrishuff.dhs.org/

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