How to listen events on modifying a shape

[sweetdream]

By the way I’ve just noticed from :

Displaying

It says :
It is important to note that FigureWidgetdoes not use the renderers framework discussed above, so you should not use theshow()figure method or theplotly.io.showfunction onFigureWidget objects.

So, you all functions, on_* (such as on_change) which are FigureWidget specific will not work is you use the “show” function.

other useful ref:

How to use 'scatter.on_change' to grab event?

Hello. I’d like to find some examples for “on_change” function for “Scatter” plot. Just need to send some event when plot is changed (eg. series are hide) to trigger some function which will update another plot (eg. resolve average). I tried to use it similarly to what I’ve found for ‘scatter.on_click’ but dunno how to get it work. However, this example https://plot.ly/python/click-events/ as well doesn’t work for my case, because I use ‘iplot’. I hope ‘on_change’ don’t worry about ‘iplot’. A…