The original CR2 image from the camera is:
Exif.Image.XResolution Rational1 72
Exif.Image.YResolution Rational1 72
Exif.Image.ResolutionUnitShort 1 inch
But I use Darktable to process the raw image, and it's output
Public bug reported:
When sending images edited with Shotwell to Window's users, the
properties of the image show a vertical and horizontal resolution of 1
PPI. I'm assuming that this is a metadata mislabel and that the image
would have the same problem, but Shotwell does not show the PPI/DPI of
