From MapTiler Team
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
&stroke=red&width=2&path=42.33,-4.87|51.14,-4.87|51.14,8.23|42.33,8.23|42.33,-4.87)
<?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>
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