Hi,
Here is a pointer where I got the answer for the scary looking equations in
the code -
http://citeseer.nj.nec.com/max95optical.html

Cheers!
Maurya

Maurya wrote:
>Hi,
>I have been studying the code of the way media is implemented. I found
>in the function Simulate_Media that the Absorption colors are derived
>from the reciprocal of the exponential function and they are multiplied
>with the color of the incoming ray and the emission values are divided
>by the absorption values and added to the original color.
>
>Thus, in a way abroption is multiplied and emission is added. Can anyone
>tell me the reference paper or other source from where I can understand
>the physics of participating media. I am trying to render high quality
>explosions and so I actually want to understand the physics instead of
>blindly using what POVRAY does :)
>
>Thanks a lot in advance.
>Maurya
>

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