EPSG:6901

Ancienne Triangulation Francaise (Paris)

Attributes

Ellipsoid: Plessis 1817

Prime meridian: Paris RGS

Data source: OGP

Revision date: 2007-11-01

Scope: Topographic mapping.

Remarks: Uses the RGS value for the Paris meridian. In Alsace, data suspected to be transformation of German network into ATF. Replaced by Nouvelle Triangulation Francaise (Paris) (code 6807) which uses the 1936 IGN value for the Paris meridian.

Area of use: France - mainland onshore.

SimpleMap

WGS84 bounds:
8.23 42.33
-4.87 51.14

France - mainland onshore.
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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:GeodeticDatum</span> <span class="na">xmlns:epsg=</span><span class="s">&quot;urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset&quot;</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">gml:id=</span><span class="s">&quot;epsg-datum-6901&quot;</span><span class="nt">&gt;</span> <span class="nt">&lt;gml:metaDataProperty&gt;</span> <span class="nt">&lt;epsg:CommonMetaData&gt;</span> <span class="nt">&lt;epsg:type&gt;</span>geodetic<span class="nt">&lt;/epsg:type&gt;</span> <span class="nt">&lt;epsg:alias</span> <span class="na">alias=</span><span class="s">&quot;ATF (Paris)&quot;</span> <span class="na">code=</span><span class="s">&quot;335&quot;</span> <span class="na">codeSpace=</span><span class="s">&quot;urn:ogc:def:naming-system:EPSG::7302&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;epsg:revisionDate&gt;</span>2007-11-01<span class="nt">&lt;/epsg:revisionDate&gt;</span> <span class="nt">&lt;epsg:changes&gt;</span> <span class="nt">&lt;epsg:changeID</span> <span class="na">xlink:href=</span><span class="s">&quot;urn:ogc:def:change-request:EPSG::2007.083&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;/epsg:changes&gt;</span> <span class="nt">&lt;epsg:isDeprecated&gt;</span>false<span class="nt">&lt;/epsg:isDeprecated&gt;</span> <span class="nt">&lt;/epsg:CommonMetaData&gt;</span> <span class="nt">&lt;/gml:metaDataProperty&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:datum:EPSG::6901<span class="nt">&lt;/gml:identifier&gt;</span> <span class="nt">&lt;gml:name&gt;</span>Ancienne Triangulation Francaise (Paris)<span class="nt">&lt;/gml:name&gt;</span> <span class="nt">&lt;gml:remarks&gt;</span>Uses the RGS value for the Paris meridian. In Alsace, data suspected to be transformation of German network into ATF. Replaced by Nouvelle Triangulation Francaise (Paris) (code 6807) which uses the 1936 IGN value for the Paris meridian.<span class="nt">&lt;/gml:remarks&gt;</span> <span class="nt">&lt;gml:domainOfValidity</span> <span class="na">xlink:href=</span><span class="s">&quot;urn:ogc:def:area:EPSG::1326&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;gml:scope&gt;</span>Topographic mapping.<span class="nt">&lt;/gml:scope&gt;</span> <span class="nt">&lt;gml:primeMeridian</span> <span class="na">xlink:href=</span><span class="s">&quot;urn:ogc:def:meridian:EPSG::8914&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;gml:ellipsoid</span> <span class="na">xlink:href=</span><span class="s">&quot;urn:ogc:def:ellipsoid:EPSG::7027&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;/gml:GeodeticDatum&gt;</span> </pre></div>
<?xml version="1.0" encoding="UTF-8"?>
 <gml:GeodeticDatum xmlns:epsg="urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xlink="http://www.w3.org/1999/xlink" gml:id="epsg-datum-6901">
   <gml:metaDataProperty>
      <epsg:CommonMetaData>
         <epsg:type>geodetic</epsg:type>
         <epsg:alias alias="ATF (Paris)" code="335" codeSpace="urn:ogc:def:naming-system:EPSG::7302" />
         <epsg:revisionDate>2007-11-01</epsg:revisionDate>
         <epsg:changes>
            <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2007.083" />
         </epsg:changes>
         <epsg:isDeprecated>false</epsg:isDeprecated>
      </epsg:CommonMetaData>
   </gml:metaDataProperty>
   <gml:identifier codeSpace="OGP">urn:ogc:def:datum:EPSG::6901</gml:identifier>
   <gml:name>Ancienne Triangulation Francaise (Paris)</gml:name>
   <gml:remarks>Uses the RGS value for the Paris meridian.  In Alsace, data suspected to be transformation of German network into ATF. Replaced by Nouvelle Triangulation Francaise (Paris) (code 6807) which uses the 1936 IGN value for the Paris meridian.</gml:remarks>
   <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1326" />
   <gml:scope>Topographic mapping.</gml:scope>
   <gml:primeMeridian xlink:href="urn:ogc:def:meridian:EPSG::8914" />
   <gml:ellipsoid xlink:href="urn:ogc:def:ellipsoid:EPSG::7027" />
</gml:GeodeticDatum>