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Heatmaps were added in a more recent version of CartoDB.js than 3.11, the library that you're using. Upgrading to the most recent, 3.14, should fix your problem. The library and associated CSS file follow the following format: http://libs.cartocdn.com/cartodb.js/v3/3.14/cartodb.js http://libs.cartocdn.com/cartodb.js/v3/3.14/themes/css/cartodb.css ...


IF you open that heatmap in ArcGIS, you will see it shows correctly. I check the metadata. Its layer extent is base on row and column numbers instead of coordinates. Still ArcGIS can understand how to show it by reading origin information and cell size values.

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