jupyter-widget

The drawing layer can currently draw lines and polygons, but it would be useful to also draw circles (cf this tweet).

The GoogleMaps JavaScript API supports circles (see docs).

To implement this, I suggest looking at the current implementation for

All three of those functions were ultimately extracted and new improved versions of them live in the pip installable library mpl-interactions in this file: https://github.com/ianhi/mpl-interactions/blob/master/mpl_interactions/generic.py

They are documented:

• https://mpl-interactions.readthedocs.io/en/stable/examples/image-segmentation.html
• https://mpl-interactions.readthedocs.io/en/stab

See conversation on gitter: https://gitter.im/jupyter-widgets/Lobby?at=60622d0814188a5edfd21f6c

Some points to be included in the tutorial:

1. Views should use this.send rather than this.model.send (https://gitter.im/jupyter-widgets/Lobby?at=6062335c56debe325c4ca07d)
2. Register the method of your choice on the python using self.on_msg