Extraction into Mask ?

C
Posted By
crane763
Mar 21, 2006
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254
Replies
2
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Closed
How do I turn an extraction into a mask ?

I’ve used the Extract command to isolate a small
part of a photo. I used Extract because the item has
rather vague feathery or hairy edges. The extract
command worked pretty well for this. It captured
most of the detail that I wanted.

Now I want to make a mask that maintains all that
edge detail.

How do I do this?

Ultimately I want to combine this *feathery* mask with
another mask to define a larger object. I think I know
how to combine the two masks into one.

I’m just stumped on how to select all the feathery detail of the extraction so that I can turn it into a mask.

Thanks,
Larry
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T
Tacit
Mar 21, 2006
In article ,
wrote:

I’ve used the Extract command to isolate a small
part of a photo. I used Extract because the item has
rather vague feathery or hairy edges. The extract
command worked pretty well for this. It captured
most of the detail that I wanted.

Now I want to make a mask that maintains all that
edge detail.

How do I do this?

Load the layer as a selection (hold down Control on the PC or Command on the Mac and click on the thumbnail in the Layers palette). Now you have a selection that defines the transparency. Save this selection as a layer mask on the layer you want to mask.

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noone
Mar 21, 2006
In article , crane763
@yahoo.com says…
How do I turn an extraction into a mask ?

I’ve used the Extract command to isolate a small
part of a photo. I used Extract because the item has
rather vague feathery or hairy edges. The extract
command worked pretty well for this. It captured
most of the detail that I wanted.

Now I want to make a mask that maintains all that
edge detail.

How do I do this?

Ultimately I want to combine this *feathery* mask with
another mask to define a larger object. I think I know
how to combine the two masks into one.

I’m just stumped on how to select all the feathery detail of the extraction so that I can turn it into a mask.

Thanks,
Larry

Once you have done the Extraction, choose Selection>Load Selection>Layer X Transparency, and Save image. You can then drag the Mask (Alpha Channel) to a copy of the image to use the Selection. Don’t be too concerned if the " marching-ants" do not seem to show exactly what you saw after Extract, as they are only an approximation of the actual mask, depending on the degree of Opacity in the Transparency.

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