I want to develop an application where i define a regular polygon taking into account geographical points given by the user, then when user click the region covered by the polygon, i have to show a list with points and information associated with these.
First im looking for a GIS open source that provided me a friendly user interface and i have to structure a database with these information, then i dont know which oh these NoSQL servers help me, MongoDB, Cassandra and Aerospike to manage geoJson, Geospatial queries and index.
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