CGTalk - Question: Simple Glow of Street Lamp

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Andrei2k

11-30-2002, 12:00 AM

I have tried fixing this problem for 6 months with no luck and I just now got an idea to ask all of you...

I have a street lamp set to glow in a scene and also the brake light of a car.....when the brake light of the car 'turns on' glows to .777 the Street lights glow dims....why is this?!?! I can't figure it out. I tried over compensating but the 'transfer of glow' still happens...please help....thanks.

dmcgrath

11-30-2002, 12:29 AM

You could change the glow on your taillight to be a glow on the shader only. It sounds strange that it would do that, though. Are they under the same light control? Or are they linked in any way? Try and give us more information and we can probably come up with some way to fix it for you.

Wigaru Wiyamoto

11-30-2002, 09:24 AM

This is because of auto exposure. In Maya help do a search for "auto exposure." You'll find an entry called "Troubleshooting Shader Glow." It'll tell you how to correct the problem.

Andrei2k

12-01-2002, 12:39 AM

Thank you very much for the solution I'm sure that it will work after reading that help section. THank You I guess it is common.....

alexx

12-08-2002, 08:32 PM

i´d strongly recommend using a compositing tool to make all glows, since mayas glow really sucks..
and even if it would not.. go for compositing :)

cheers

alexx

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