in news:3B785287.36E72AE8@pp.htv.fi Kari Kivisalo wrote:

> The problem with light sources is their radiation
> pattern. Simple light bulbs and fluorcesent tubes pov can handle
> but as soon as they are put inside a fixture with reflecting,
> diffusing and translucent surfaces things get so complicated that
> it's just better to guess how it would distribute the light and use
> spot_light(s) for it.

Use a sphere with an image_map around the source, to simulate the 
radiation pattern. Maybe even generate the image_map from photometric 
files (IES LM_63), if something like that is possible.

Ingo

-- 
Photography: http://members.home.nl/ingoogni/
Pov-Ray    : http://members.home.nl/seed7/

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