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Use hover data from Mapbox tileset

I have millions of points. I know the Uber sample app loads several million into a dataframe then chooses 20k or so to display at an given time based on user input. I can’t think of a feasible way to do this with my app unless I could insert the points after a relayout event without a map reload. Get everything within a distance of the map center and put it on the map basically.

Is there any way to leverage Mapbox’s infrastructure as seen here:

Pertinent dash code seems to be here:

But I don’t know how or where to override this.