Hi list !

I am trying to accomplish a quite simple task with imagemagick : cropping an image into tiles of a given dimension *with overlap* between the tiles.
Cropping is easy : convert myimage.jpg -crop <sizex>x<sizey> myoutpout%d.jpg
But I can't find a way to tell convert that I want the tiles to overlap by a certain amount (in pixels).
convert myimage.jpg -crop <sizex>x<sizey>+<offsetx>+<offsety> myoutpout%d.jpg
does not work, it just produces the first tile with an offset (i.e., it is the same with or without the "%d").

Is this possible with convert ?

Thanks a lot !

--
Arnaud
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