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Photo Compositing Collage, montage, masking, selections, combining, etc.

How do I turn a b&w image into a mask?

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  #1  
Old 07-15-2009, 08:41 PM
DaVinci DaVinci is offline
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How do I turn a b&w image into a mask?

Is it even possible in photoshop to take a black & white image and have that image BE a mask for another?
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Old 07-15-2009, 10:58 PM
Xaran Xaran is offline
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Re: How do I turn a b&w image into a mask?

Use apply image.

Christine
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Old 07-15-2009, 11:11 PM
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Nasturtium Nasturtium is offline
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Re: How do I turn a b&w image into a mask?

http://www.planetphotoshop.com/desig...annel-tut.html
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Old 07-15-2009, 11:16 PM
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mistermonday mistermonday is offline
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Re: How do I turn a b&w image into a mask?

DaVinci, welcome to Retouch Pro. In the channel palette of your B&W image select all and Copy. Now go to the image containing your layer mask. Alt+Click on the Layer Mask. Then Ctrl V to paste the grayscale image into the layer mask. Once agian Alt+Click the layer mask to return to the normal layer view.
Regards, Murray
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Old 08-07-2009, 05:40 AM
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Chain Chain is offline
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Re: How do I turn a b&w image into a mask?

Or simpler:
1. In the channels panel, ctrl/cmd-click on the RGB channel (loads selection).
2. Now go to your layer and click the little "Add layer mask" button in your layers panel.

If your layer already had a blank mask delete that first, or simply fill your selection with Black and then deselect. ctrl/cmd-i to invert if needed.
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