Interactive Heatmaps with Google Maps API v3

indiaThanks to the Google Maps API it is pretty easy to code up a small JavaScript to turn a bunch of points into an interactively explorable and lovely looking heatmap. You’re welcome to give it a try on where you can load a CSV to display its contained points. The CSV is supposed to be semicolon delimited and contain at least two columns “lat” and “lon” for the geographical location and an optional third numerical column “weight”. The order does not matter. And of course the parsing is done with Papa Parse – what else!

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