Unity GIS

Geocoders (Reverse Geocoding)

https://www.gps-coordinates.net/

https://www.latlong.net/convert-address-to-lat-long.html

https://mappify.io/

https://forum.unity.com/threads/reverse-geocoding-c.361862/

https://gist.github.com/chuakc92/1097aee7cae5f9fb31320a99b521623f

https://developers.google.com/maps/documentation/geocoding/intro#reverse-example

https://apiant.com/connect/Unity-Scripting-to-GeoBulk-Reverse-Geocoding

https://developers.google.com/maps/documentation/geocoding/start

https://en.wikipedia.org/wiki/Geocoding

WRLD
https://github.com/wrld3d/wrld-mapscene-api
https://github.com/wrld3d/wrld-example-app

Mapzen
https://github.com/tangrams/tangram-unity

Mapbox
https://www.mapbox.com/unity-sdk/tutorials/

Terrain.party
https://www.youtube.com/watch?v=-vyNbalvXR4
http://terrain.party/

Openstreetmaps
https://www.youtube.com/watch?v=780Ia5e8LHQ
https://bitbucket.org/sloankelly/youtube-source-repository/src/master/

https://wiki.openstreetmap.org/wiki/Overpass_turbo/GeoJSON

https://www.e-education.psu.edu/geog585/node/739

http://www.overpass-api.de/api/xapi_meta?*[building=yes][bbox=-52.35,4.88,-52.25,4.98]

https://overpass-api.de/api/interpreter

http://services.land.vic.gov.au/catalogue/publicproxy/guest/dv_geoserver/wms?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&WIDTH=512&HEIGHT=512&LAYERS=VMPROP_PARCEL_VIEW&STYLES=&FORMAT=image%2Fpng&SRS=EPSG%3A4283&BBOX=141%2C-39%2C150%2C-34

https://nominatim.openstreetmap.org/

https://www.e-education.psu.edu/geog585/node/519

https://en.wikipedia.org/wiki/Polygon

https://en.wikipedia.org/wiki/Polygon#Area_and_centroid
https://support.esri.com/en/technical-article/000014007