Photoshop selection tools not working correctly

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I've been using photoshop for a while now and I've never found an error like this. I needed to use the selection tool to cut out a part of an image and then paste it on a layer on top. However whenever I do this there is a very obvious transparent line where I made the selection remaining. The image is an example, made a circular selection around stomach I used the lasso tool, Ctrl-x then Ctrl-Shift-V to paste in place and then this is how it ends up. I don't know what to do. Sorry if I posted this question in the wrong place, I'm new to stack exchange. Thank you very much!



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    I've been using photoshop for a while now and I've never found an error like this. I needed to use the selection tool to cut out a part of an image and then paste it on a layer on top. However whenever I do this there is a very obvious transparent line where I made the selection remaining. The image is an example, made a circular selection around stomach I used the lasso tool, Ctrl-x then Ctrl-Shift-V to paste in place and then this is how it ends up. I don't know what to do. Sorry if I posted this question in the wrong place, I'm new to stack exchange. Thank you very much!



    enter image description here










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      up vote
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      down vote

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      I've been using photoshop for a while now and I've never found an error like this. I needed to use the selection tool to cut out a part of an image and then paste it on a layer on top. However whenever I do this there is a very obvious transparent line where I made the selection remaining. The image is an example, made a circular selection around stomach I used the lasso tool, Ctrl-x then Ctrl-Shift-V to paste in place and then this is how it ends up. I don't know what to do. Sorry if I posted this question in the wrong place, I'm new to stack exchange. Thank you very much!



      enter image description here










      share|improve this question









      New contributor




      user127179 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      I've been using photoshop for a while now and I've never found an error like this. I needed to use the selection tool to cut out a part of an image and then paste it on a layer on top. However whenever I do this there is a very obvious transparent line where I made the selection remaining. The image is an example, made a circular selection around stomach I used the lasso tool, Ctrl-x then Ctrl-Shift-V to paste in place and then this is how it ends up. I don't know what to do. Sorry if I posted this question in the wrong place, I'm new to stack exchange. Thank you very much!



      enter image description here







      adobe-photoshop






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      edited 2 hours ago









      Lucian

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          Yes, you can not actually do this. Simply, put this yet another variation of the conflation error. Typically this comes up with vector drawings but it is actually a bitmap drawing error.



          Simple solution is not to cut but copy. There is no need to delete what is under. See what happens is transparency is not coverage so 50% opaque + 50% opaque does not become 100% opaque but rather 75%. Yet 50% of a pixel is 50% opaque.






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            Yes, you can not actually do this. Simply, put this yet another variation of the conflation error. Typically this comes up with vector drawings but it is actually a bitmap drawing error.



            Simple solution is not to cut but copy. There is no need to delete what is under. See what happens is transparency is not coverage so 50% opaque + 50% opaque does not become 100% opaque but rather 75%. Yet 50% of a pixel is 50% opaque.






            share|improve this answer
























              up vote
              4
              down vote













              Yes, you can not actually do this. Simply, put this yet another variation of the conflation error. Typically this comes up with vector drawings but it is actually a bitmap drawing error.



              Simple solution is not to cut but copy. There is no need to delete what is under. See what happens is transparency is not coverage so 50% opaque + 50% opaque does not become 100% opaque but rather 75%. Yet 50% of a pixel is 50% opaque.






              share|improve this answer






















                up vote
                4
                down vote










                up vote
                4
                down vote









                Yes, you can not actually do this. Simply, put this yet another variation of the conflation error. Typically this comes up with vector drawings but it is actually a bitmap drawing error.



                Simple solution is not to cut but copy. There is no need to delete what is under. See what happens is transparency is not coverage so 50% opaque + 50% opaque does not become 100% opaque but rather 75%. Yet 50% of a pixel is 50% opaque.






                share|improve this answer












                Yes, you can not actually do this. Simply, put this yet another variation of the conflation error. Typically this comes up with vector drawings but it is actually a bitmap drawing error.



                Simple solution is not to cut but copy. There is no need to delete what is under. See what happens is transparency is not coverage so 50% opaque + 50% opaque does not become 100% opaque but rather 75%. Yet 50% of a pixel is 50% opaque.







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                answered 2 hours ago









                joojaa

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