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Burki nous apporta ses lumieres en ce 2005-05-17 20:48:
> Hello out there!
>
> Since Jim Holsenback made his laboratory scene, I wanted to have one for
> myself as well.
>
>
>
> The geometry in the scene is not too complicated, so I didn't use any
> modeller.
> The labels of the pen and bottles were made with Corel Draw.
>
> Lightning is with three light sources. I also made one trial with an area
> light but the rendering time exploded. That's why I didn't use photons or
> radiosity as well.
> Rendering time was 3/4 hours.
>
>
> You may also download 1024*768 sized images from the adresses below:
> jpeg: www.ginko.de/user/burki/elution_drop.jpg (124 kb) or
> ping: www.ginko.de/user/burki/elution_drop.png (917 kb) .
>
> Hope you like it,
> Burki
>
>
> pm: this my first image posting here, so
> Thanks to Toni Lama for writing his POV-Ray book !
>
>
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>
It's obvious that any area_light take more time, but you can greatly reduce that by
using adaptive
in the light deffinition. Start with adaptive 0 and only increase it if you get
artefacts. That way,
I can use 17*17 or more arays that don't take much more time than 4*4 without
adaptive. Also, you
can use one area_light for the main light and ordinary secondary light(s).
Alain
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