ImageMagick: possibly OT

[Timothy Murphy]

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