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Photoshop Rectangular Marquee Tool not selecting correctly


Question

I must have accidentally clicked something in Photoshop because all of a sudden my rectangular marquee tool is not working correctly.

When I use the rectangular marquee tool to, for instance, surround something I want to delete on a document, it immediately does one of 2 things:

  1. It turns into a rectangle with rounded edges, or

  2. A box pops up on my screen that says

    WARNING: No pixels are more than 50% selected. The selection edges will not be visible.

    There is an "OK" button in the lower right hand corner of that box. When I click "OK" the box disappears but so does my rectangle on my document.

2016/11/20
1
-1
11/20/2016 10:00:00 PM

Do you mean the rectangle tool or rectangular marquee which is used for selections? Judging from the way you describe the problem I am assuming the latter. Here are things to look for:

  1. Is the active layer a blank layer or one with blank areas which may explain one way of not getting anything selected
  2. Alternately, is the layer a faint copy of something else which will have low density pixels
  3. Check the feather settings for your marquee, it may be too large (say 500px) thus giving you the rounded corners
  4. If you select a part of a layer with a heavily feathered marquee and make a new layer by copy, the result may have pixels that have low density. If you select something from that new layer now, you MAY get the warning message you are getting. Although the selection edges may not be visible, it will still select "somethings"
2015/09/27
1
9/27/2015 5:52:00 PM