How to cut out borders of image?

Not really Linux related except for the fact that GIMP in Linux. I have an image that is too large. I don't want to reduce the whole image. I just want to cut out left and right borders, like you would do with scissors. How do you do that with GIMP (I assume it would be GIMP thing). In Windows, I just move the left/right edges with mouse. Searching online for GIMP answers, I get things like transparent layer, selection layer, etc. :-( --William

The way I do this is to go to Image -> Canvas Size. I set the width to the correct dimension and then drag the picture in the preview back and forth until I am happy with where it is cut. On Sun, 5 Sept 2021 at 22:00, William Park via talk <talk@gtalug.org> wrote:
Not really Linux related except for the fact that GIMP in Linux.
I have an image that is too large. I don't want to reduce the whole image. I just want to cut out left and right borders, like you would do with scissors. How do you do that with GIMP (I assume it would be GIMP thing).
In Windows, I just move the left/right edges with mouse. Searching online for GIMP answers, I get things like transparent layer, selection layer, etc. :-(
--William
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Using Gimp, use the box selector and select the image without the border. then "Image-> crop to selection", resave. On Sun, 5 Sept 2021 at 22:00, William Park via talk <talk@gtalug.org> wrote:
Not really Linux related except for the fact that GIMP in Linux.
I have an image that is too large. I don't want to reduce the whole image. I just want to cut out left and right borders, like you would do with scissors. How do you do that with GIMP (I assume it would be GIMP thing).
In Windows, I just move the left/right edges with mouse. Searching online for GIMP answers, I get things like transparent layer, selection layer, etc. :-(
--William
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Thanks. Easiest was "rectangular selection, crop to selection, resave". Also worked was "copy/paste of rectangular selection", which would be inverse. --William On 9/5/21 10:12 PM, Don Tai via talk wrote:
Using Gimp, use the box selector and select the image without the border. then "Image-> crop to selection", resave.
On Sun, 5 Sept 2021 at 22:00, William Park via talk <talk@gtalug.org <mailto:talk@gtalug.org>> wrote:
Not really Linux related except for the fact that GIMP in Linux.
I have an image that is too large. I don't want to reduce the whole image. I just want to cut out left and right borders, like you would do with scissors. How do you do that with GIMP (I assume it would be GIMP thing).
In Windows, I just move the left/right edges with mouse. Searching online for GIMP answers, I get things like transparent layer, selection layer, etc. :-(
--William

On 2021-09-05 10:00 p.m., William Park via talk wrote:
Not really Linux related except for the fact that GIMP in Linux.
I have an image that is too large. I don't want to reduce the whole image. I just want to cut out left and right borders, like you would do with scissors. How do you do that with GIMP (I assume it would be GIMP thing).
In Windows, I just move the left/right edges with mouse. Searching online for GIMP answers, I get things like transparent layer, selection layer, etc. :-(
--William
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Open in Gimp - Tools menu, Selection Tools sub-menu, Rectangular Select - Select the area, excluding borders - Edit Menu, Copy Visible Area - Edit Menu, Paste as .. New Image - Export back to what ever format you prefer.. -- Michael Galea

On Sun, 5 Sep 2021 22:00:49 -0400 William Park via talk <talk@gtalug.org> wrote:
Not really Linux related except for the fact that GIMP in Linux.
I have an image that is too large. I don't want to reduce the whole image. I just want to cut out left and right borders, like you would do with scissors. How do you do that with GIMP (I assume it would be GIMP thing).
William, GIMP has a crop tool. Image Magick's convert tool also does cropping from the command line. -- Howard Gibson hgibson@eol.ca jhowardgibson@gmail.com http://home.eol.ca/~hgibson
participants (5)
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Don Tai
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Howard Gibson
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Michael Galea
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William Park
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William Witteman