Caveats of a "Location"

General-purpose tool for humans. A location, in this article, is a human-relevant feature on the surface of earth.

• a maintenance closet in a neighboorhood
• the appalacian trail
• the appalacian mountains
• the appalacian mountains
• Mount Mitchell
• times square
• Louvre
• Mississippi River, River Delta, Watershed
• a permanently docked boat
• survey benchmarks and geocaches

link to other geographic types point, polygon, line, perimeter, multiline, multipolygon

Schemes

Prose

(in shawshank redemption) the instructions from Andy to Red about where to find a box.

pre-defined

numerical coordinates

• Cartesian Coordinates?
  • longlat latlng
  • lng? long? longitude?
  • DMS? Decimal Degrees?
  • UTM: is Universal Transverse Mercator coordinate system
  • Military Grid Reference (MGR)

  location hashes

  • https://en.wikipedia.org/wiki/Geohash is this a box? or a point?
  • what3words
  • OLC: is the https://en.wikipedia.org/wiki/Open_Location_Code

  Availability/Usability (over time and across contexts)

  • Cartesian Coordinates
  • GeoHash
  • What3Words

  Containers

  • wkt
  • geo:
  • URL, URI, URN
  • The experimental RFC 1867 LOC record

  notes

  suggested precision https://en.wikipedia.org/wiki/Wikipedia:WikiProject_Geographical_coordinates#Precision don't be overly precise

  other

  • https://geohack.toolforge.org/
  • https://caltopo.com/map.html
  • http://microformats.org/wiki/Main_Page
  • http://microformats.org/wiki/h-geo
  • http://microformats.org/wiki/h-adr
  • https://en.wikipedia.org/wiki/Geo_URI_scheme
  • https://wiki.openstreetmap.org/wiki/Geohash
  • https://en.wikipedia.org/wiki/Geohash is this a box? or a point?
  • https://en.wikipedia.org/wiki/LOC_record
  • what3words
  • OLC:
  • https://en.wikipedia.org/wiki/Open_Location_Code
  • longlat latlng
  • lng? long? longitude?
  • UTM:
  • https://en.wikipedia.org/wiki/Universal_Transverse_Mercator_coordinate_system
  • wgs84
  • DMS? Decimal Degrees?
  • https://macwright.com/lonlat/ and https://news.ycombinator.com/item?id=30228981
  • (in shawshank redemption) the instructions from Andy to Red about where to find a box.