So, I've rotated the image, but now two things happen:
1. there's a weird offset (the image is moved to the right)
This seems to be somehow related to the particular file. With a different
file that does not happen.
This can sometimes happen if the image has an embedded EXIF
"Orientation" tag and you're using a buggy viewer. Really old versions
of Firefox/pdf.js had this bug. If this is the case, you should be able
to reproduce it with the following bash commands:
convert -size 64x256 canvas:grey -fill black -draw "circle 32,128 16,112"
demo1.jpg
exiftool -Orientation='Rotate 90 CW' demo1.jpg -o demo2.jpg
Then, include "demo1.jpg" and "demo2.jpg" in a ConTeXt file using
\externalfigure. Both pictures should display as circles; if you get
ovals, then it's definitely EXIF-related.
2. The output contains this line
. location=local,global. location=local,global
Never seen this before, which makes me suspect that maybe this isn't
EXIF-related. Maybe the image is just subtly corrupted?
Anyways, if the problem is EXIF-related, then opening and saving the image
file with MS Paint (or any other non-EXIF-aware editor) should fix things.
Otherwise, I have no suggestions.
-- Max
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