Bad alpha channel

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Old 03 March 2012   #1
Bad alpha channel

Hi guys!
Tell me please, like everything was right. The texture labels and texture with alpha. All the alpha channel is present, but it still shows the surface ... Can not do right?

http://dl.dropbox.com/u/11287293/other/cg_pr.jpg

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Last edited by korky : 03 March 2012 at 03:37 PM.
 
Old 03 March 2012   #2
Hi
I think you have to tell Mental Ray that the bottle is everywhere transparent except for the label, thus plugging the alpha into Transparency, not in the diffuseTransparency... But I'm not sure I've understood the connection you did in the hypergraph

gui
 
Old 03 March 2012   #3
No, no. I have a label separately. TGA file format with alpha.
How to make it disappear, I do not know.
Nothing is working.

http://img809.imageshack.us/img809/2091/cgpr02.jpg

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Old 03 March 2012   #4
You should connect your inverted alpha map into the cutout opacity.
 
Old 04 April 2012   #5
Thanks, but no effect

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Old 04 April 2012   #6
Do you mind sharing your scene so I can have a quick look? PM me if you don't want to give it to everybody.
 
Old 04 April 2012   #7
As Chafouin said, being able to get a hold of your scene would be best. It seems odd that your cutout isnt working. Are you sure that the white/black of your alpha are true 100% white and black?
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Old 04 April 2012   #8
chafouin, Thank you very much for your help, it worked out!
Robosity, Yes, everything was ok, tested.



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Old 04 April 2012   #9
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