Prevent re-drawing/positioning of Leaflet map

@tom I’m not sure how to only re-render markers etc. and not the entire Leaflet map based on user input/filters. Is there a way to prevent re-rendering by referencing an existing map and removing/adding points?

Here is the example I’m working on:

See the “A map that responds to reactive variables” here:

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@mbostock Excellent example, thanks. Looks like something might be broken though – the inputs don’t seem to have an effect on the maps (at least in my two machines nothing happens)?

Here’s a different take on mutating a map: