Verm <pov### [at] thirteeendynucom> wrote:
> I'm having issues with spotlights and emmiting media where I get black
> dots in the media with a spotlight.
>
> If I comment out the spotlight line then it renders fine.
>
> I was messing about with lightsys but eventually simplified the scene to
> this. I don't really need a spotlight but was wondering if anyone could
> cast any light on this?
>

I had a look and see your problem.
What you are seeing is a coincident surface type problem.  This relates to
the fact that your spotlight radius and falloff are the same.  If you make
them different (even very minutely - 89.9999) it should go away.

> -----------
> light_source{ y*30 color rgb 1
>    //comment out the following line to get it to render ok
>    spotlight radius 90 falloff 90 tightness 1 point_at y*-1
>
> }

-tgq

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