On 4-12-2012 11:24, Kenneth wrote:
> Thanks. The one thing about this scene that has given me the most trouble is the
> atmosphere and its density/brightness. Not a technical issue, but an aesthetic
> one. The scene is supposed to be murky and somewhat dark, but getting *just* the
> right balance has been an on-going struggle. Every time I render a test of the
> scene, I want to tweak those qualities. And that usually means tweaking the
> objects' textures too--their color saturation, brightness, and ambient values--
> in order to get everything to 'match' visually. It's quite a tedious process;
> and the scene still doesn't look quite the way I want it to. (One reason for
> that is because of a choice I made: I want to keep the number of lights in
> the scene to an absolute minimum, to cut down on render time. Trying to
> compensate for that limitation has been difficult!)

I think that underwater scenes are very difficult to do because of this 
interaction between media and object colours. If I am correct, this can 
be rather extreme. The /natural/ colours lighted by the environment are 
very subdued but when lighted by a lamp for instance, the colours become 
very bright. I remember a scene by Jim Charter (shark) a couple of years 
ago, which showed a nice render.

Thomas

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