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-   -   stained glass, volumetric (https://simplymaya.com/forum/showthread.php?t=5423)

jsimpson 25-04-2003 07:20 PM

stained glass, volumetric
 
Can anyone describe a quick way to get the colors of an image mapped stained glass window to show up in the light beams using LightFog?

Alan 02-05-2003 07:19 PM

not 100% sure but you may need to use a barn doors style technique or a cookie cutter and place the image in the colour component of the lights's attributes. try that, I would try it out for you but my machine is rendering so I cant stop it right now.

I may try later if I get a chance.

Alan

ragecgi 02-05-2003 07:50 PM

Also might be a good idea to look at doing it in post.

A good VFX rule-of-thumb, is that unless you need to fly through it, or something TRUELY volumetric, you can do it in post with a LOT more controll, and WAY faster:)

After Effects 5.5 pro bundle, for example, has a "volume-light" type of 3d light effect, that does EXACTLY this effect you want:)

-Simply put a few locators in your Maya scene to help you line up the "beam".
-then save that file out as a .ma file (just the locators and camera, no geometry) (you can even ANIMATE the camera!)
-then import that into after effects
-place an After Effects light in the scene using your locators as exact guides.
-add the stained-glass image to the light color
-turn on fog
-tweak light position, and parent it to one of the locators.
-and you're done!

FIRST though, you might wanna try what Pure was saying about the lights' color channel.

It might work perfect for you.
With Maya, you never know:) hehe...

Good luck!


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