Postgis & Rails (rgeo) Installation

Specs:

Ubuntu 16.04 Rails 6.0.2.2

Postgis:

• sudo apt install postgis postgresql-9.5-postgis* (check version number)
• check: find /usr -name postgis.control

Rgeo y activerecords:

• sudo apt install libgeos-dev
• gem install rgeo
• gem install rgeo-activerecord
• gem install activerecord-postgis-adapter

psql database we want Gis:

• CREATE EXTENSION postgis;

Refrerences

• https://daniel-azuma.com/articles/georails/part-2
• https://medium.com/@learnitnow/gis-on-rails-23513c15de7c
• https://github.com/rgeo/rgeo-geojson

GET RECORDS

https://postgis.net/docs/ST_Contains.html