Udo Baumgart wrote:
> 
> Hi,
> 
> currently i give Moray a try and experiment with Radiosity. I build
> a simple scene with a sphere over a plane. The sphere first had the
> material Water1 from the Library. Computing the scene with radiosity
> in Megapov and without any ambient light results in the sphere shining
> blue and illuminating the plane. 
> [...]

>   radiosity {
>     brightness       130.0
>     count            100
>     distance_maximum 10.0
>     error_bound      0.1
>     gray_threshold   0.1
>     low_error_factor 0.01
>     minimum_reuse    0.01
>     nearest_count    3
>     recursion_limit  7
>   }
> }

These settings do not make much sense, it's often best to start with the
default settings using an empty radiosity block.  

In detail:

- distance_maximum is no more required and will be ignored
- recursion_limit 7 is quite high, you probably need much less
- brightness 130.0 is ways too high, 1.0 is standard and everything above
2 is probably never doing any good.
- ambient_light 0 should only be used if there are no 'light emitting'
objects in the scene, otherwise use 'finish { ambient 0 }' for all objects
not emitting light.

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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