Optionally read EXIF data in ImageSource driver #109
Merged
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This PR adds the ability for the ImageSource driver to read EXIF tags from images.
If
exif_tagspassed to the constructor is truthy, a Dataset is returned with the image and EXIF tags as data variables (just the ones specified if a list). Otherwise the behaviour is unchanged (a DataArray representing the image is returned).ImageSource seemed like the best place for this functionality, but would be happy to submit a new PR if it better belongs elsewhere.
Known issue
See the comment below