This workshop is designed for cartographers and analysts who wish to set up an open source geospatial software stack on their own laptop. We'll begin by talking about the stack components and how they fit together. We'll import data from an OpenStreetMap extract of Pittsburgh into a PostgreSQL database, wire TileMill up to use that data, then create & serve simply-styled tiles. Next, we'll create a trivial webserver to return selected POI data from our PostgreSQL database and use Leaflet to layer it over the tiles created earlier. We'll step up our game and modify the server to return GeoJSON, then talk about the use of properties to affect display characteristics such as color, opacity, and when to display particular entities. Plan to devote a few hours in advance of the conference to installing software and downloading data. Get more info at -deck/.
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