EPSG:84

Ellipsoidal height

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Attributes

Unit: metre

Data source: OGP

Information source: OGP based on ISO 19111

Revision date: 2016-02-15

Orientation: up

Abbreviation: h

Axis order: 3..

Remarks: Used only as part of an ellipsoidal 3D coordinate system in a geographic 3D coordinate reference system, never on its own.

Coordinate system: Ellipsoidal 3D CS. Axes: latitude, longitude, ellipsoidal height. Orientations: north, east, up. UoM: degH, degH, m.

Description: Distance of a point from the ellipsoid measured along the perpendicular from the ellipsoid to this point. Positive if upwards or outside of the ellipsoid.

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Definition: OGP XML

<div class="syntax"><pre><span class="cp">&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;</span> <span class="nt">&lt;gml:CoordinateSystemAxis</span> <span class="na">xmlns:gml=</span><span class="s">&quot;http://www.opengis.net/gml/3.2&quot;</span> <span class="na">xmlns:xlink=</span><span class="s">&quot;http://www.w3.org/1999/xlink&quot;</span> <span class="na">uom=</span><span class="s">&quot;urn:ogc:def:uom:EPSG::9001&quot;</span> <span class="na">gml:id=</span><span class="s">&quot;epsg-axis-84&quot;</span><span class="nt">&gt;</span> <span class="nt">&lt;gml:descriptionReference</span> <span class="na">xlink:href=</span><span class="s">&quot;urn:ogc:def:axis-name:EPSG::9903&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;gml:identifier</span> <span class="na">codeSpace=</span><span class="s">&quot;OGP&quot;</span><span class="nt">&gt;</span>urn:ogc:def:axis:EPSG::84<span class="nt">&lt;/gml:identifier&gt;</span> <span class="nt">&lt;gml:axisAbbrev&gt;</span>h<span class="nt">&lt;/gml:axisAbbrev&gt;</span> <span class="nt">&lt;gml:axisDirection</span> <span class="na">codeSpace=</span><span class="s">&quot;EPSG&quot;</span><span class="nt">&gt;</span>up<span class="nt">&lt;/gml:axisDirection&gt;</span> <span class="nt">&lt;/gml:CoordinateSystemAxis&gt;</span> </pre></div> 
<?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::9001" gml:id="epsg-axis-84">
         <gml:descriptionReference xlink:href="urn:ogc:def:axis-name:EPSG::9903" />
         <gml:identifier codeSpace="OGP">urn:ogc:def:axis:EPSG::84</gml:identifier>
         <gml:axisAbbrev>h</gml:axisAbbrev>
         <gml:axisDirection codeSpace="EPSG">up</gml:axisDirection>
      </gml:CoordinateSystemAxis>