Unit: radian
Data source: OGP
Information source: OGP
Revision date: 2000-03-07
Orientation: east
Abbreviation: Lon
Axis order: 1..
Remarks: Used in geographic 2D and geographic 3D coordinate reference systems.
Coordinate system: Ellipsoidal 3D CS. Axes: longitude, latitude, ellipsoidal height. Orientations: east, north, up. UoM: rad, rad, m.
Description: Angle from the prime meridian plane to the meridian plane passing through the given point, eastwards usually treated as positive.
Definition: OGP XML
<?xml version="1.0" encoding="UTF-8"?> <gml:CoordinateSystemAxis xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xlink="http://www.w3.org/1999/xlink" uom="urn:ogc:def:uom:EPSG::9101" gml:id="iogp-axis-233"> <gml:descriptionReference xlink:href="urn:ogc:def:axis-name:EPSG::9902" /> <gml:identifier codeSpace="IOGP">urn:ogc:def:axis:EPSG::233</gml:identifier> <gml:axisAbbrev>Lon</gml:axisAbbrev> <gml:axisDirection codeSpace="IOGP">east</gml:axisDirection> </gml:CoordinateSystemAxis>