On Thu, 26 Sep 2002 15:02:01 -0400, Christopher James Huff
<chr### [at] maccom> wrote:

>In article <web.3d931f0cf4969a7b6bd4eb880@news.povray.org>,
> "Gregor" <gre### [at] tvppl> wrote:
>
>> But performance will drop down dramatically, and I have no millenium to wait
>> for the effects.
>
>So basically you want a light where the rays come out radially from and 
>perpendicular to a line segment?
>There's no fast way to do this without patching POV. It probably 
>wouldn't be a very difficult patch, but you would have to convince 
>someone it is useful enough. A better alternative would be some way to 
>define this kind of thing in the scene file, using functions...somehow 
>make the light position and intensity a function of the intersection 
>point and other information. Really something that needs user-defined 
>vector functions...which we don't have yet.

It may be possible with some modifications to the SDL raytracer, but
it'll be sloooow.

/Erkki

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