On Mon, Feb 4, 2013 at 4:11 PM, Elmer Wix
> I often use my digital camera to take pictures of flat, rectangular
> objects, like framed paintings on a wall, book or album covers, or
> pages of documents. Of course, I can't take these pictures straight
> on and perfectly level, but that's OK. I know what the dimensions of
> the objects are, so I can just correct the perspective in software.
> Does Gimp have any function like this? I found the perspective tool,
> but that requires me to manually shift the perspective and eyeball
> when I think a rectangular image is produced. That's not nearly as
The perspective tool has an inverse mode, if you align the grid lines
from the wireframe preview with the lines desired to become
horizontal/vertical and then do the transform you should end up with a
rectified version of the quadliteral.
«The future is already here. It's just not very evenly distributed»
-- William Gibson
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