ImageMagick: possibly OT

[fred roller]

http://www.gimp.org/tutorials/

Should provide you with some quicky lessons to achieve what you want.

Fred Roller
On Sep 17, 2015 11:40 AM, "Timothy Murphy" <gayleard at eircom.net> wrote:

> Shaheen Bakhtiar 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
>
> > 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..
>
> Thanks for your response.
> I'd forgotten about gimp
> (which I've always found a little difficult to use,
> probably because it can do so much).
> But I've downloaded it, and just need to learn how to guillotine.
>
> --
> Timothy Murphy
> gayleard /at/ eircom.net
> School of Mathematics, Trinity College, Dublin
>
>
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