> Do you think is possible to implement a new function for a light source,
> with rays function of solid angle (seeIES standard). I different words,
> having the possibility of controlling the energy of rays in relation with
> horizontal and vertical angle. It would be very usefull for modelling


This could probably be done in SDL with a sphere with a filtering pigment
around a normal light source, unless I misunderstand.

 - Slime
 [ http://www.slimeland.com/ ]

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