Geodetic CRS: RGF93
Datum: Reseau Geodesique Francais 1993
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: OGP
Information source: Institut Geographique National (IGN); http://www.ign.fr
Revision date: 2019-01-14
Scope: Derivation of gravity-related heights from GPS observations.
Remarks: Replaces RGF93 to NGF IGN69 height (1) (code 10000). Accuracy at each 0.0333333333333° in longitude and 0.025° in latitude grid node is given within the geoid model file. Recommended interpolation method given in file RAF09.xml.
Method: Geographic3D to GravityRelatedHeight (IGN2009)
Area of use: France - mainland onshore.
Description: RAF09.mnt
Definition: OGP XML
<?xml version="1.0" encoding="UTF-8"?> <gml:Transformation xmlns:epsg="urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset" xmlns:gco="http://www.isotc211.org/2005/gco" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xlink="http://www.w3.org/1999/xlink" gml:id="iogp-op-8371"> <gml:metaDataProperty> <epsg:CommonMetaData> <epsg:type>transformation</epsg:type> <epsg:informationSource>Institut Geographique National (IGN); http://www.ign.fr</epsg:informationSource> <epsg:revisionDate>2019-01-14</epsg:revisionDate> <epsg:changes> <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2017.045" /> <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2018.068" /> </epsg:changes> <epsg:show>true</epsg:show> <epsg:isDeprecated>false</epsg:isDeprecated> </epsg:CommonMetaData> </gml:metaDataProperty> <gml:metaDataProperty> <epsg:CoordinateOperationMetaData> <epsg:variant>2</epsg:variant> </epsg:CoordinateOperationMetaData> </gml:metaDataProperty> <gml:identifier codeSpace="IOGP">urn:ogc:def:coordinateOperation:EPSG::8371</gml:identifier> <gml:name>RGF93 to NGF IGN69 height (2)</gml:name> <gml:remarks>Replaces RGF93 to NGF IGN69 height (1) (code 10000). Accuracy at each 0.0333333333333° in longitude and 0.025° in latitude grid node is given within the geoid model file. Recommended interpolation method given in file RAF09.xml.</gml:remarks> <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1326" /> <gml:scope>Derivation of gravity-related heights from GPS observations.</gml:scope> <gml:operationVersion>IGN Fra 09</gml:operationVersion> <gml:coordinateOperationAccuracy> <gmd:DQ_RelativeInternalPositionalAccuracy> <gmd:result> <gmd:DQ_QuantitativeResult> <gmd:valueUnit xlink:href="urn:ogc:def:uom:EPSG::9001" /> <gmd:value> <gco:Record> <gco:Decimal>0.02</gco:Decimal> </gco:Record> </gmd:value> </gmd:DQ_QuantitativeResult> </gmd:result> </gmd:DQ_RelativeInternalPositionalAccuracy> </gml:coordinateOperationAccuracy> <gml:sourceCRS xlink:href="urn:ogc:def:crs:EPSG::4965" /> <gml:targetCRS xlink:href="urn:ogc:def:crs:EPSG::5720" /> <gml:method xlink:href="urn:ogc:def:method:EPSG::1073" /> <gml:parameterValue> <gml:ParameterValue> <gml:valueFile>RAF09.mnt</gml:valueFile> <gml:operationParameter xlink:href="urn:ogc:def:parameter:EPSG::8666" /> </gml:ParameterValue> </gml:parameterValue> </gml:Transformation>