Geodetic CRS: NTF
Datum: Nouvelle Triangulation Francaise
Ellipsoid: Clarke 1880 (IGN)
Prime meridian: Greenwich
Data source: OGP
Information source: IGN technical report RT/G 14; January 1988.
Revision date: 2014-11-19
Scope: For applications to an accuracy of 2 metres.
Remarks: These same parameter values are used to transform to ETRS89. See NTF to ETRS89 (1) (code 1651).
Method: Geocentric translations (geog2D domain)
Area of use: France - onshore - mainland and Corsica.
Description: (-168.0, -60.0, 320.0, 0.0, 0.0, 0.0, 0.0)
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="ogp-op-1193"> <gml:metaDataProperty> <epsg:CommonMetaData> <epsg:type>transformation</epsg:type> <epsg:alias alias="NTF" code="6133" codeSpace="urn:ogc:def:naming-system:EPSG::1039" /> <epsg:informationSource>IGN technical report RT/G 14; January 1988.</epsg:informationSource> <epsg:revisionDate>2014-11-19</epsg:revisionDate> <epsg:changes> <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2006.992" /> <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2009.106" /> <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2014.058" /> </epsg:changes> <epsg:show>true</epsg:show> <epsg:isDeprecated>false</epsg:isDeprecated> </epsg:CommonMetaData> </gml:metaDataProperty> <gml:metaDataProperty> <epsg:CoordinateOperationMetaData> <epsg:variant>1</epsg:variant> </epsg:CoordinateOperationMetaData> </gml:metaDataProperty> <gml:identifier codeSpace="OGP">urn:ogc:def:coordinateOperation:EPSG::1193</gml:identifier> <gml:name>NTF to WGS 84 (1)</gml:name> <gml:remarks>These same parameter values are used to transform to ETRS89. See NTF to ETRS89 (1) (code 1651).</gml:remarks> <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::3694" /> <gml:scope>For applications to an accuracy of 2 metres.</gml:scope> <gml:operationVersion>IGN-Fra</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>2</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::4275" /> <gml:targetCRS xlink:href="urn:ogc:def:crs:EPSG::4326" /> <gml:method xlink:href="urn:ogc:def:method:EPSG::9603" /> <gml:parameterValue> <gml:ParameterValue> <gml:value uom="urn:ogc:def:uom:EPSG::9001">-168</gml:value> <gml:operationParameter xlink:href="urn:ogc:def:parameter:EPSG::8605" /> </gml:ParameterValue> </gml:parameterValue> <gml:parameterValue> <gml:ParameterValue> <gml:value uom="urn:ogc:def:uom:EPSG::9001">-60</gml:value> <gml:operationParameter xlink:href="urn:ogc:def:parameter:EPSG::8606" /> </gml:ParameterValue> </gml:parameterValue> <gml:parameterValue> <gml:ParameterValue> <gml:value uom="urn:ogc:def:uom:EPSG::9001">320</gml:value> <gml:operationParameter xlink:href="urn:ogc:def:parameter:EPSG::8607" /> </gml:ParameterValue> </gml:parameterValue> </gml:Transformation>