Hi

I have some 3D concentration measurements for a chemical compound that is
dissolved in water. I would like to show this concentration somehow.

The water could be contained in a cylinder or a box.

I would like the zero concentration areas to be shown as clear water
(obviously) and the concentration as varying colours. I can think of two
ways of doing this: use one colour and simply have its intensitity increase
with increasing concentration or you could use many colours and simply have
the colurs change with increasing concentration (e.g. from blue to red).

Do anyone have any hints as to how I can get this effect in Povray?

  Thanks!

  Lars Gregersen

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in news:web.3f421f33fc5ecef17cd558720@news.povray.org lars.gregersen 
wrote:

> I would like the zero concentration areas to be shown as clear water
> (obviously) and the concentration as varying colours.

Turn your concentration measurements into a density (df3) file. Use this 
file in combination with media and a colour_map.

6.7.11.11  Density_File

and

6.8.3  Density

Ingo

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