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Ellipse

Apr 30, 2012, 19:59
Post: #1
Ellipse
I am stumped with this. I want to use the ellipse to cut out a section of a picture. Then I want to save the ellipse so that only the ellipse is shown. Instead, I am getting a rectangle with the ellipse in it. After that, I would like to put a border around the ellipse. Can anyone help with this? Thanks!
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Apr 30, 2012, 22:18 (This post was last modified: Apr 30, 2012 22:19 by ofnuts.)
Post: #2
RE: Ellipse
There are no ellipses, there are only rectangles with transparent corners Smile So make sure your layer can be transparent "Layer/Transparency/add alpha channel".

It's actually easier to remove the rest, so:
- duplicate the layer if you still need the full picture later in your process
- "Layer/Transparency/add alpha channel" (if grayed out, you already have one)
- do an ellipse selection
- "Select/Invert" (so now the ellipse is not selected but the rest is)
- Strike[Delete] and you will be left with the ellipse

If you want a plain border:
- "Select/Invert" (so that we get the selection back on the ellipse)
- "Select/grow" and use the width in pixels for your border (makes the selection a bigger ellipse)
- Insert a layer below the original ellipse layer
- Fill selection (bucket-fill) with required color/pattern for border. This fills the whole big ellipse, but your original ellipse hides most of it, except the border.

Do not merge layers/flatten the image. Save image as XCF so you can rework it later. For web display, save in a format that supports transparency: PNG

Now answering your questions on
https://Gimp-Forum.net
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May 2, 2012, 22:08
Post: #3
RE: Ellipse
Thank you so much for that help! Putting the plain border was harder than I thought, but finally got it. Thanks again!
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