PM 2Ring wrote:
>> Actually the atmosphere has a mostly blue influence.
> 
> Well, blue + yellow = green ...

Actually - no.

> Now I get it. (I think :). So eventually your software will be able to give
> the correct atmospheric compensation for any altitude? This sounds like it
> could be complicated, since the atmospheric density varies quite a bit over
> space and time.

This is a very simplified model.  As outlined on the page i linked to 
more complex compensations taking into account spatial differences in 
the atmosphere density would require additional data and further 
assumptions about the surface properties.

> If descending in an anim, will we need to use multiple image map files, or
> will we be able to apply the required compensation by applying a correction
> function to the image_map in SDL? I suppose the multiple map method will be
> much faster than doing it in SDL.

I have no idea what you are talking about.  This has actually nothing to 
do with POV-Ray, it's about processing of images.

Christoph

-- 
POV-Ray tutorials, include files, Landscape of the week:
http://www.imagico.de/ (Last updated 04 May. 2006)
MegaPOV with mechanics simulation: http://megapov.inetart.net/

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