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HeatMaps Make Map Mashups a Little Hotter

Maps are a mainstay of mashups. If you have geography data of any sort, chances are you might like to slap it on a map. With HeatMapAPI, you have a chance to show something a little more interesting than standard markers on your map.

San Francisco heat map

HeatMapAPI is a free JavaScript library that works in conjunction with the Google Maps API. In addition to loading a standard map (check out our Google Maps tutorial), you can add your data to be heatmapped over the map. Larger values (tied to latitude/longitude points) show a more intense color.

The downside of this API is that calls are limited to 100 values without paying for more access. That seems like a small number, but it takes very few data points to generate a nice looking heatmap.

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