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  • Photoshop transparency to alpha channel

  • Eric Jurgenson

    January 28, 2009 at 4:29 pm

    Is there an EASY way to convert transparency to an alpha channel in Photoshop? I know about using quick mask, and loading and saving selections as alpha, but it seems that Photoshop, being a very sophisticated program, should have “one click” transparency to alpha channel conversion. This would be invaluable in video production.

  • ronaldo montalvo

    January 28, 2009 at 8:07 pm

    maybe try the action under video actions called “alpha channel from visible layer”. this might work for what you need, but you need to turn off any layers you don’t want alpha for. you could also create a new action and assign an open F-key command. start recording, command click the layer menu with the artwork you need the alpha for, then select “save selection as channel” and stop recording. when you hit the F-key it should create a new alpha channel from whatever layer you have selected instead of the just the visible layer.

  • Richard Harrington

    January 29, 2009 at 3:44 pm

    I wrote the action.. it works well. You can also combine it with the Image Processor Script to batch process a folder of iamges.

    Richard M. Harrington, PMP

    Author: Photoshop for Video, Understanding Adobe Photoshop, Final Cut Studio On the Spot and ATS:iWork

  • Del Holford

    February 9, 2009 at 7:56 pm

    OK
    I’m missing something. I looked in my Actions folder and there is no “alpha channel from visible layer”.
    Where do I find Video Actions?

    Del

    Del
    fire*, smoke*, photoshopCS3
    Charlotte Public Television
    del underscore edits at wtvi dot org

  • ronaldo montalvo

    February 9, 2009 at 8:13 pm

    i don’t think you’ll see an individual action file for that. it’s part of the file in the pshop actions folder called “Video Actions.atn”. look at the ACTIONS menu under WINDOW in pshop. you should see the “alpha from visible layer command” under the list of actions in the video actions menu. if for some reason you don’t have it you can always create and record your own video actions.

  • Ben Corbin

    March 4, 2009 at 3:27 am

    I had the same problem, no actions appeared in my action panel except default. Click on the twirl down menu for actions and go to Load Actions. Then find your PS folder and go to Photoshop/Presets/Actions. All of my missing actions were stored in that folder. Just open them up and you are ready to go!

  • Eric Jurgenson

    March 4, 2009 at 2:20 pm

    When I went to “Load Actions” in the twirl down menu, the actions folder appeared empty. But Explorer showed the six stock .atn files in the folder. I found I could drag the desired file from Explorer to the “Load Actions” window, and the actions would load.

    Thanks everybody. This is a big help. It’s always fun to find hidden goodies that make your life easier.

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