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# 1 11-01-2011 , 11:10 PM
ColdWave's Avatar
Registered User
Join Date: Sep 2006
Location: Bulgaria, Vidin
Posts: 1,310

Alpha Map problem.

Can't find the reason for this ?
I have my alpha textures black/white.

One is from the viewport 2.0
One from the UDK ( Works fine )
One from the Hardware Renderer

Ideas why the .... is this happening ?

I checked the alpha illuminance ...
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# 2 12-01-2011 , 06:34 AM
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Join Date: Jan 2005
Location: vienna
Posts: 1,095
for what I can tell maya always had and still has a problem to display alphamaps in viewport properly when you have overlapping and combined geometry using alpha. this seems to be a sorting or z-buffer problem which means if the geometry is combined maya doesn´t know anymore which plane to render first. this results in flipping textures from back to front and and overall transparent geometry.

here´s a picture to show ->
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everything starts and ends in the right place at the right time.
 
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# 3 12-01-2011 , 12:08 PM
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Lead Modeler - Framestore
Join Date: Feb 2003
Location: UK
Posts: 6,287
Maya has had this issue since Jesus, as long as your renders work then dont worry

Jay
 
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# 4 12-01-2011 , 01:27 PM
ColdWave's Avatar
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Location: Bulgaria, Vidin
Posts: 1,310
Yeah i understand... just wondering if there was an option for that issue.
I guess not : )
 
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# 5 14-01-2011 , 06:28 PM
ColdWave's Avatar
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Location: Bulgaria, Vidin
Posts: 1,310
A good way around it is to separate your geometry and assign each peace the same textures and the alpha will just work fine... That's how i do it..
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