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Overview of uMap⚓︎

uMap is a server and a client. The server is build with the Django framework, and the client uses (vanilla) JavaScript, on top of Leaflet.

Basically, here is how it works:

  • Most of the data is stored as geoJSON files, on the server.
  • Some other parts of the data is stored in the database (users, permissions, etc)
  • PostGIS is used for some of its geo features, but for the most part, the computation is done on the frontend with Leaflet.

The server is meant to be a simple layer to do the storage and serve the JavaScript.