[IconAnnotator] - Add IconAnnotator to Mark Objects with Custom Icons/Images #930
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Description
This PR adds an IconAnnotator class, which can annotate images. For best results, the icon should be a transparent icon without a background, so that it will come up clearly against any images.
Some open questions for discussion:
I'd love to hear your thoughts on it.
A Collab notebook which demonstrates the change is here
Type of change
Please delete options that are not relevant.
How has this change been tested, please provide a testcase or example of how you tested the change?
This change includes a unit test (the first created for annotations) to verify that the annotation works, and the result closely matches a so-called golden file
Docs
Closes #460