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Deleting the background from an image

Posted on 2006-07-09
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Last Modified: 2010-05-18
I know this might seem like a simple question but say I have a circle in the middle of a picture selected with the magic wand tool, how do I remove from the image the rest? If I inverse select from the circle, I'd like to delete all else. Not only clear, but remove from the image so that the total image size is the circle? Thanks!
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Question by:stormist
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David Brugge earned 250 total points
ID: 17070645
If what you want is the circle image all by itself, here are two methods:

1) Select with the wand, as you said, then copy.
2) Now open a new Photoshop image with the background set to transparent.
By default, Photoshop will open a new blank image with the exact dimensions of the item that you copied (if your magic wand tool caught a few stray pixels they will be included in the dimensions as well)
3) Paste your copied image onto your new blank and you're done.

-or-

1) Select the image and invert the selection  Select/Inverse or Shift+Ctrl+I
2) Use the backspace key to delete
If your image is on your background layer, the delete key will replace the area outside of your circle (the area now selected) with your background color.
3) Invert the selection again  Select/Inverse or Shift+Ctrl+I
4) Image/Crop

The first method will give you the circular image surrounded by a rectangular background of transparent pixels. To save this transparency you must save it in a format that supports transparency.
The second method will give you the circular image against a rectangular background.

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by:stormist
ID: 17077022
Thanks :)
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by:David Brugge
ID: 17078501
Glad to help, thanks for the grade.
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