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I have an image with many layers. I want to define part of it as transparent.

Is there a mask layer which makes all the layers under it transparent or something similar?

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up vote 5 down vote accepted
  1. Create a group
  2. Place all applicable layers in the group
  3. Apply a layer mask
  4. Paint the layer mask - the darker it is the more transparent. So black is 100% transparent, white is 100% opaque and everything in between is a gradient of that such as 50% Black being 50% transparent.
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Thanks it works ! – Nir Mar 6 '12 at 17:40

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