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Photoshop 7: Why am I getting this message

I'm trying to select an area of a photograph using the lasso tool and got this error message.  Why?
error1.png
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brothertruffle880
Asked:
brothertruffle880
1 Solution
 
10023Web site maintenance and designCommented:
This was address..here..in this example they were using the marquee tool
It is really not a warning but information

http://www.experts-exchange.com/Software/Photos_Graphics/Images_and_Photos/Adobe_Photoshop/Q_23129414.html?sfQueryTermInfo=1+10+30+50+edg+more+pixel+select+visibl+warn
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10023Web site maintenance and designCommented:
Photoshop is telling you how it selects feathered edges.
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brothertruffle880Author Commented:
Once I let go of the mouse, there is no blinking so actually nothing was selected.  Even though I dragged my mouse across a large area.
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olliefeldeCommented:
To understand this message you have to understand that transparency is an integral part of how Photoshop works. Any given pixel has not only a color value but also a transparency value, among other variables. Even if the color of a pixel is black, it may only have a transparency of 50 percent. If you have a white bottom layer then this would appear as a medium gray. Or, if you have a bright yellow bottom layer then this would look like a 50% black printed over that yellow. Remember that Photoshop was created to manipulate images for print. Printing presses use transparent inks.

All your message means is that the transparency of the pixels in the selection are all under 50%. Computers aren't good at analog ideas like "a little bit" so Pshop defaults to showing only the pixels of the selection that are above 50% transparency.

If you'll go to the channels palette and create a new alpha channel you can then fill that selection, which seems to not exist, with white or black. This will give you an idea of what's selected as well as allow you to recreate the selection.

Is that confusing enough?
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olliefeldeCommented:
Hasn't this issue been addressed here? If so, please assign points. If not, state the issue.

O
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CLRH2OCommented:
First off there's nothing to worry about - you're selection is till being made - but -since the opacity of what's being selected is less than 50% the way PS 7 was coded it gives a little warning before making the selection but not *showing* the marching ants on screen as a visual indicator like I normally would.

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