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Mask a light?

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Sonny Malone
Mask a light?
on Dec 3, 2010 at 1:54:10 pm

Is there a way to crop or mask a spot light into a rectangle instead of a circle? I can't seem to figure it out.


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Gareth Randall
Re: Mask a light?
on Dec 3, 2010 at 4:35:06 pm

Motion doesn't support using gobos with lights, so there's no automagic way to do it.

There are a couple of alternative approaches you could try, though. One would be simply to use a feathered shape (say, a white rectangle) instead of an actual light, with its transfer mode and/or opacity adjusted appropriately.

The other would be to duplicate whatever it is you want to be affected by a custom-shaped light, put all the groups from that duplicate into into a single new uber-group, apply your light, and then add an image mask to the uber-group in whatever shape you want the light to be. Does that make sense?



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Sonny Malone
Re: Mask a light?
on Dec 3, 2010 at 5:12:25 pm

Thanks Gareth ... Yes that makes sense. It was kinda what I was trying to do but it wasn't working. I will try your way soon. Thanks again. Sonny



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