in news:web.3f3ab9a392153c77b248b4cf0@news.povray.org Maurya wrote:

> Hi,
> The density tag can be used with the colormap to render each voxel
> with a differenct color depending on the density. I want to add
> another parameter like temperature to each voxel in deciding its
> color. 

Maurya

Could you tell a bit more of what your exact goal is, as I have the 
feeling that it may not be needed to patch POV-Ray but that it can be done 
in SDL directly. Read for example the help file section "6.8.3.4  Multiple 
Density vs. Multiple Media". This can give you the possibility to use one 
'density' to control the density and an other, representing a temperature 
distribution, to control the color.

Ingo

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