mistercrunch commented on issue #3604: Mapbox Visualizatuion error cause by "is not JSON serializable" URL: https://github.com/apache/incubator-superset/issues/3604#issuecomment-354914262 A few tangents here: It's been tricky to manage how aggregations work for geospatial, in many cases users do not want to aggregate and just use atomic data. In other cases people want to aggregate data. There's also the fact that with WebGL / Deck.GL we can actually afford to visualize hundreds of thousands of data points, and aggregation as necessary technically. The way the new Deck.GL visualizations work is that they don't aggregate unless you specify a metric. I'm unclear on how to handle this original mapbox visualization in the light of the recent work we've been doing using Deck.GL. The new scatterplot viz is much better than this one, but it doesn't support the dynamic clustering use case (where clusters are created on the fly as users zoom in /out). We may want to refactor that visualization to be more like the new ones. First thing to do would be to use the `spatial` control for lat/long which works with proper Druid spatial dims.
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