Gimp? But I’m still not sure what the questions is. With Gimp you can use the rulers to pull in guidelines than can be used to snap the cursor, bounding boxes, etc.. > On Sep 17, 2015, at 4:11 AM, Timothy Murphy <gayleard@xxxxxxxxxx> wrote: > > I want to crop a PNG picture. > I see how to do it with ImageMagick, > once I know the pixel-positions of the corners of the rectangle. > > I'm wondering if there is a way of imposing a grid to read these numbers, > either with ImageMagick or some other application that runs under Fedora ? > > -- > Timothy Murphy > gayleard /at/ eircom.net > School of Mathematics, Trinity College, Dublin > > > -- > users mailing list > users@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe or change subscription options: > https://admin.fedoraproject.org/mailman/listinfo/users > Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct > Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines > Have a question? Ask away: http://ask.fedoraproject.org -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org