Recuing shadow detail

DR
Posted By
David_R._Levy
Nov 12, 2003
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272
Replies
3
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Closed
Using Photoshop7,windows xp pro, 512 ram. I am creating a luminance mask in the rgb composite channel and clicking on save selection button to convert into an alpha channel. I am then inverting the alpha channel and applying a curves adjustment. I then load the alpha channel as a selection and click on a adjustment level in the layers palette. Choosing curves adds a layer mask, and lightens the shadows. So far ,so good. My question is: how do I invert back the alpha channel? Pages 277 & 288 of Martin Evening’s book.
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MV
Mathias_Vejerslev
Nov 12, 2003
huh?

Ctrl-Alt-I. Remember to deselect first.
DR
David_R._Levy
Nov 12, 2003
Martins evening’s book on pages 277 & 288 describe a meathod for rescuing shadow detail. He asks that you invert an alpha channel, apply a curves adjustment and load the selection. My question is: How do you "re-invert" the image?
P
Phosphor
Nov 12, 2003
David…

It’s really a good idea to continue your posting within your original thread on a particular issue. It makes it easier for folks to follow.

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