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Extending a background in an image?

Nov 11, 2011, 12:03
Post: #1
Extending a background in an image?
I hope I can explain my question for you to understand. I have an image that I want to extend the background on. So basically, I am making the people smaller, but the background larger..if that makes sense? I'm trying to make a collage, and i want the background of one photo to be the background of my canvas. The background it just "grey-ish", but not solid. I know I could clone, or copy and paste a part of the image into the background, but am wondering if there's a way to "stretch" just a portion of the image maybe? Or if I could copy a small part of it, but when I paste it, change the shape or size it's being pasted into??? Hope I'm making some sense. Would love any help I could get! Thank you in advance!
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Nov 11, 2011, 12:28
Post: #2
RE: Extending a background in an image?
To strtch just a portion of the image, there is the "Liquid rescale" plugin (http://liquidrescale.wikidot.com/ ). But if your background us reasonably uniform you can:

- extend the canvas
- duplicate the layer with the background and move the duplicate over the new area
- make sure it has an alpha channel
- erase some of it, using a very soft brush on the transition

You can also replace the erasure step by a black to white gradient on the alpha channel.

Now answering your questions on
https://Gimp-Forum.net
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Nov 12, 2011, 12:41
Post: #3
RE: Extending a background in an image?
Thank you so much, I did get it figured out! Wink
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