Photoshop: Polygon lasso tool now has jagged edges. Suddenly changed as never used to do this?

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  • Problem
  • Updated 4 weeks ago
  • Solved
  • (Edited)
When using the polygon lasso tool I now get a white jagged edge? 
In order to defringe a selection I have to copy areas to exclude as they are saved with a  transparency ie glass. I remove a selection from an area image A and then defringe. I have the area removed image B and add this to image A and get image C. Here is the problem! I now get a white jagged edge when both layers are merged together? I never used to get this last week?
For reference I have Anti-alias ticked. What has changed with the software? 
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christopher giomarelli

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Posted 4 weeks ago

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Photo of Tom Winkelmann

Tom Winkelmann

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Uncheck "Anti-alias" before making your selection
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christopher giomarelli

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Thanks for the quick response Tom. I have just tested taking the tick off Anti-alias and at first glance it doesn't make a difference as the white edge still remains. But when I zoom in to the area it disappears! I guess its resolved but seems strange how it shows it on screen! Cheers
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christopher giomarelli

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I have just merged the two layers together after not using the Anti-alias and the white edge disappears! The software shows the edge to highlight the cuts! Resolved!