Draw lines and save them

Dash Python
2

It should be! You’ll need to set config=dict(editable=True) inside the dcc.Graph in order to be able to interactively move the lines around.

The callbacks would be:
Output('graph', 'figure'), [Input('add-line', 'n_clicks')]

and
Output('save-status', 'children'), [Input('save-lines', 'n_clicks')], [State('graph', 'figure')]

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