ImageMagick: possibly OT

[Germán Racca]

On 09/17/2015 08:11 AM, Timothy Murphy 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 ?
>
Hi Timothy,

I find gthumb very handy for that kind of operations. It has some 
utilities for editing images, one of them is the crop option.

Germán.