Geo is a spatial library that is made specfically for geographic data.

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Features include:

• Geographic geometry types:
  • Point
  • LineString
  • Polygon, Triangle
  • Circle
  • GeometryCollection, MultiPoint, MultiLineString, and MultiPolygon
• GPS types:
  • GPSData
  • Route
  • Track
• Serialize and deserialize geometries:
  • WKT (Well-known text)
  • WKB (Well-known binary)
  • GeoJSON
• Serialize and deserialize GPS files:
  • GPX
  • NMEA (deserialize only)
  • IGC (deserialize only)
  • Garmin Flightplan (deserialize only)
  • SkyDemon flightplan (deserialize only)
  • PocketFMS flightplan (deserialize only)
• Geographic calculations
  • Distance
  • Area
  • Greate circle lines
  • Rhumb lines
• Geomagnetism calculations
  • IGRF / WMM models
  • Declination, Inclination, Intensity, etc.

• All ordinates are in degress, unless specified otherwise
• All measurements are in S.I. units (metres, seconds, etc.), unless specified otherwise
• The coordinate reference system is assumed to be WGS-84

Geo is licensed under the terms of the GNU Lesser General Public License as published by the Free Software Foundation.