From MapTiler Team
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
&stroke=red&width=2&path=41.31,-4.87|51.14,-4.87|51.14,9.63|41.31,9.63|41.31,-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="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>
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</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>
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<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>
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