> Alain wrote:
>> You can use palleted image format (16 or 256 colours BMP, gif, PNG,...)
>> and use a color_map to give any index any new value of your choosing,
>> you can even use texture_map and replace specific colour with any
>> pattern. Again, you can pass those via the command line.
>>
>> You can use a few arrays of colours, or textures, and use some variable
>> to chose some specific sets.
> 
> If I read correctly, that is what he is looking to do. Take the image
> texture already in existence and replace certain colors with other ones
> at render time.
> 
> Siber, you might take a look back at an older thread on how to convert
> an image to a function, and then use that function to create the new
> pigment_map. See
>
http://news.povray.org/povray.advanced-users/thread/%3C45031f15@news.povray.org%3E/?mtop=5
> 
> I would try to offer code myself, but I just hack at textures till they
> look right, someone else can probably offer some better advice.

The options I offered are render time.
You set some variables, then you render.

Your option can be used as a post process, done by POV-Ray, or can be 
used to alter some image to be image maped on the model.



Alain

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