HERE have released a tutorial on processing and mapping the street light sensors from the City of San Diego. They use Python for processing the data, HERE XYZ for hosting and filtering the data, and Tangram for outputting it in a Web browser using WebGL.

How to Render a Map of San Diego’s Smart City Streetlights with HERE XYZ, Python and Tangram - HERE Developer
It can be hard to get your head around how immense an IoT network deployment is without a map, especially for Smart Cities. Using HERE XYZ to visualize infrastructure at a city level makes a world of difference. Let’s look at how to do that, first fetching and scrubbing data with Python and then u…