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From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Mon, 30 Mar 2015 15:32:18 -0600
Subject: Re: Image rotation issue
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On Mon, Mar 30, 2015 at 3:22 PM,  <kai.peters@gmail.com> wrote:
> rotimg = img.rotate(270) # rotation is counterclockwise
>
> # i can almost make it work by resizing rotimg here, but the aspect ratio is then screwed
> #rotimg = rotimg.resize((1024, 1280))
>
> rotimg.show()
> imagedata = list(rotimg.getdata())
>
> But grabbing data from the rotimg does not work as it does not seem to return an image with swapped dimensions...
>
> What am I missing?

Have you tried passing the expand flag to rotate?

http://pillow.readthedocs.org/en/latest/reference/Image.html#PIL.Image.Image.rotate

I'm not sure if that will result in an image sized (1280, 1024) or
(1280, 1280). If the latter, you should be able to fix it using
Image.crop.