I've been using GIMP about six months and thought I was passably good at
it. Today it has me stumped. My project is to enlarge one page in a PDF to
200% then copy the top, middle and bottom thirds into separate PNG files.
(Copied w/screen capture tool.) Then assemble them in GIMP to create one
72dpi bitmap file that is twice as wide/tall as the original PDF. Simple.
But ... after creating a working xcf file in GIMP with the lower third then
expanding the canvas size up to create space for the other two images ... I
open and copy the middle screen capture, then paste into my xcf. Then I
have the middle as a new layer, and need to trim off part of the bottom of
that layer. I draw a rectangle around the part of the new floating layer
that needs to be removed. The moment I've done that, everything else on the
layer that is not inside the selection rectangle disappears.
So I start over and select the area I want to keep instead of the area I
want deleted. This seems to work until I try to move the newly-cropped
section, at which time deleted sections appear and disappear depending on
which direction I try to drag this new, cropped layer. This is maddening
and counter-intuitive. I'm wasting an enormous amount of time just trying
to piece together three screen captures. A 10-minute job in Photoshop
(which I have at home but not here at work).
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