Le 10/07/2011 23:22, David Given nous fit lire :
> I'm rendering the moon:
> 
> http://code.google.com/p/flooded-moon/
> 
> One thing that needs improving is the texture used for the landscape.
> For example, in the linked animation, Mons Huygens rises about four and
> a half *kilometres* above sea level in a very short distance, but
> without decent visual cues as to the steepness of the slope the size
> isn't apparent and it just looks odd.
> 
> It looks like the Povray slope function would be ideal for this as it
> will do everything automatically; but the slope function assumes a flat
> world with a fixed up vector. My world is spherical, which means the up
> vector changes depending where you are on the surface.
> 
> Does anyone know of any cunning ways to let me use slope on my moon and
> have it work correctly?
> 
slope of 3.7 with point_at
(using the center of your world)

> http://wiki.povray.org/content/Documentation:Reference_Section_5.5#Quilted

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