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imagemagic: crop and save the reduced image
I have a bunch of jpgs from which I need to extract part of each image and save only the selected parts at their true dimensions, i.e not stretched to fit the size of the original image.
As the geometry of the selection varies from one file to another this looked to be a tedious process, but imagemagic's display app seemed to offer a much more convenient process. Using its menus I could draw a rectangle on the original to outline the part I wanted, and to save just that selected rectangle to a new file... except it deforms the image to fit the original geometry, and I cannot find any way to have it perform the --repage option to make the save using the new geometry.
How exactly should I do this, or would I be better off using a different software?
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