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Creating Alpha Channels in Photoshop

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ted baxter
Creating Alpha Channels in Photoshop
on Aug 8, 2006 at 8:18:36 pm

Hi -
Stupid question I know - can anyone give a step by step for creating alpha channels in photoshop for importing into AE? Tried photoshop help and its no help!
thanks


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Jim Kanter
Re: Creating Alpha Channels in Photoshop
on Aug 8, 2006 at 11:34:27 pm

Make a selection of the pixels you want the alpha channel to display.

Save the selection to a new channel and don't give it a name.

Done.

Jim Kanter,
Digital Film Institute
http://www.dfilminst.com


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ted baxter
Re: Creating Alpha Channels in Photoshop
on Aug 9, 2006 at 1:49:00 am

Hi -
Thanks for the reply - I made the alpha in PSD (which looked red in the channels palette) but when I imported it into AE I didn't get the option box to import the alpha or not (ie straight or premulitiplied) does this mean the alpha didn't import with the file?
cheers...


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Jim Kanter
Re: Creating Alpha Channels in Photoshop
on Aug 22, 2006 at 1:25:51 am

Could be the preferences are set to automatically make a best guess.

Jim Kanter,
Digital Film Institute
http://www.dfilminst.com


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