ESRI:102581

PROJCS["NTF_France_I_degrees",GEOGCS["GCS_NTF",DATUM["D_NTF",SPHEROID["Clarke_1880_IGN",6378249.2,293.46602]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",600000],PARAMETER["False_Northing",1200000],PARAMETER["Central_Meridian",2.337229166666667],PARAMETER["Standard_Parallel_1",49.5],PARAMETER["Scale_Factor",0.999877341],PARAMETER["Latitude_Of_Origin",49.5],UNIT["Meter",1]]

+proj=lcc +lat_1=49.5 +lat_0=49.5 +lon_0=2.337229166666667 +k_0=0.999877341 +x_0=600000 +y_0=1200000 +a=6378249.2 +b=6356514.999904194 +units=m +no_defs 

proj4.defs("ESRI:102581","+proj=lcc +lat_1=49.5 +lat_0=49.5 +lon_0=2.337229166666667 +k_0=0.999877341 +x_0=600000 +y_0=1200000 +a=6378249.2 +b=6356514.999904194 +units=m +no_defs");

<?xml version="1.0" encoding="UTF-8"?>
 <gml:ProjectedCRS gml:id="ogrcrs30927" xmlns:gml="http://www.opengis.net/gml/3.2">
  <gml:srsName>NTF_France_I_degrees</gml:srsName>
  <gml:srsID>
    <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">102581</gml:name>
  </gml:srsID>
  <gml:baseCRS>
    <gml:GeographicCRS gml:id="ogrcrs30928">
      <gml:srsName>GCS_NTF</gml:srsName>
      <gml:usesEllipsoidalCS>
        <gml:EllipsoidalCS gml:id="ogrcrs30929">
          <gml:csName>ellipsoidal</gml:csName>
          <gml:csID>
            <gml:name gml:codeSpace="urn:ogc:def:cs:EPSG::">6402</gml:name>
          </gml:csID>
          <gml:usesAxis>
            <gml:CoordinateSystemAxis gml:id="ogrcrs30930" gml:uom="urn:ogc:def:uom:EPSG::9102">
              <gml:name>Geodetic latitude</gml:name>
              <gml:axisID>
                <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9901</gml:name>
              </gml:axisID>
              <gml:axisAbbrev>Lat</gml:axisAbbrev>
              <gml:axisDirection>north</gml:axisDirection>
            </gml:CoordinateSystemAxis>
          </gml:usesAxis>
          <gml:usesAxis>
            <gml:CoordinateSystemAxis gml:id="ogrcrs30931" gml:uom="urn:ogc:def:uom:EPSG::9102">
              <gml:name>Geodetic longitude</gml:name>
              <gml:axisID>
                <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9902</gml:name>
              </gml:axisID>
              <gml:axisAbbrev>Lon</gml:axisAbbrev>
              <gml:axisDirection>east</gml:axisDirection>
            </gml:CoordinateSystemAxis>
          </gml:usesAxis>
        </gml:EllipsoidalCS>
      </gml:usesEllipsoidalCS>
      <gml:usesGeodeticDatum>
        <gml:GeodeticDatum gml:id="ogrcrs30932">
          <gml:datumName>Nouvelle_Triangulation_Francaise</gml:datumName>
          <gml:usesPrimeMeridian>
            <gml:PrimeMeridian gml:id="ogrcrs30933">
              <gml:meridianName>Greenwich</gml:meridianName>
              <gml:greenwichLongitude>
                <gml:angle gml:uom="urn:ogc:def:uom:EPSG::9102">0</gml:angle>
              </gml:greenwichLongitude>
            </gml:PrimeMeridian>
          </gml:usesPrimeMeridian>
          <gml:usesEllipsoid>
            <gml:Ellipsoid gml:id="ogrcrs30934">
              <gml:ellipsoidName>Clarke_1880_IGN</gml:ellipsoidName>
              <gml:semiMajorAxis gml:uom="urn:ogc:def:uom:EPSG::9001">6378249.2</gml:semiMajorAxis>
              <gml:secondDefiningParameter>
                <gml:inverseFlattening gml:uom="urn:ogc:def:uom:EPSG::9201">293.46602</gml:inverseFlattening>
              </gml:secondDefiningParameter>
            </gml:Ellipsoid>
          </gml:usesEllipsoid>
        </gml:GeodeticDatum>
      </gml:usesGeodeticDatum>
    </gml:GeographicCRS>
  </gml:baseCRS>
  <gml:definedByConversion>
    <gml:Conversion gml:id="ogrcrs30935">
      <gml:usesMethod xlink:href="urn:ogc:def:method:EPSG::9801" />
      <gml:usesParameterValue>
        <gml:value gml:uom="urn:ogc:def:uom:EPSG::9102">49.5</gml:value>
        <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8801" />
      </gml:usesParameterValue>
      <gml:usesParameterValue>
        <gml:value gml:uom="urn:ogc:def:uom:EPSG::9102">2.337229166666667</gml:value>
        <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8802" />
      </gml:usesParameterValue>
      <gml:usesParameterValue>
        <gml:value gml:uom="urn:ogc:def:uom:EPSG::9001">0.999877341</gml:value>
        <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8805" />
      </gml:usesParameterValue>
      <gml:usesParameterValue>
        <gml:value gml:uom="urn:ogc:def:uom:EPSG::9001">600000</gml:value>
        <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8806" />
      </gml:usesParameterValue>
      <gml:usesParameterValue>
        <gml:value gml:uom="urn:ogc:def:uom:EPSG::9001">1200000</gml:value>
        <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8807" />
      </gml:usesParameterValue>
    </gml:Conversion>
  </gml:definedByConversion>
  <gml:usesCartesianCS>
    <gml:CartesianCS gml:id="ogrcrs30936">
      <gml:csName>Cartesian</gml:csName>
      <gml:csID>
        <gml:name gml:codeSpace="urn:ogc:def:cs:EPSG::">4400</gml:name>
      </gml:csID>
      <gml:usesAxis>
        <gml:CoordinateSystemAxis gml:id="ogrcrs30937" gml:uom="urn:ogc:def:uom:EPSG::9001">
          <gml:name>Easting</gml:name>
          <gml:axisID>
            <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9906</gml:name>
          </gml:axisID>
          <gml:axisAbbrev>E</gml:axisAbbrev>
          <gml:axisDirection>east</gml:axisDirection>
        </gml:CoordinateSystemAxis>
      </gml:usesAxis>
      <gml:usesAxis>
        <gml:CoordinateSystemAxis gml:id="ogrcrs30938" gml:uom="urn:ogc:def:uom:EPSG::9001">
          <gml:name>Northing</gml:name>
          <gml:axisID>
            <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9907</gml:name>
          </gml:axisID>
          <gml:axisAbbrev>N</gml:axisAbbrev>
          <gml:axisDirection>north</gml:axisDirection>
        </gml:CoordinateSystemAxis>
      </gml:usesAxis>
    </gml:CartesianCS>
  </gml:usesCartesianCS>
</gml:ProjectedCRS>

102581=PROJCS["NTF_France_I_degrees",GEOGCS["GCS_NTF",DATUM["Nouvelle_Triangulation_Francaise",SPHEROID["Clarke_1880_IGN",6378249.2,293.46602]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["False_Easting",600000],PARAMETER["False_Northing",1200000],PARAMETER["Central_Meridian",2.337229166666667],PARAMETER["Standard_Parallel_1",49.5],PARAMETER["Scale_Factor",0.999877341],PARAMETER["Latitude_Of_Origin",49.5],UNIT["Meter",1],AUTHORITY["EPSG","102581"]]

PROJECTION
	"proj=lcc"
	"lat_1=49.5"
	"lat_0=49.5"
	"lon_0=2.337229166666667"
	"k_0=0.999877341"
	"x_0=600000"
	"y_0=1200000"
	"a=6378249.2"
	"b=6356514.999904194"
	"units=m"
	"no_defs"
END

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=lcc +lat_1=49.5 +lat_0=49.5 +lon_0=2.337229166666667 +k_0=0.999877341 +x_0=600000 +y_0=1200000 +a=6378249.2 +b=6356514.999904194 +units=m +no_defs">
	<Layer srs="+proj=lcc +lat_1=49.5 +lat_0=49.5 +lon_0=2.337229166666667 +k_0=0.999877341 +x_0=600000 +y_0=1200000 +a=6378249.2 +b=6356514.999904194 +units=m +no_defs">
	</Layer>
</Map>

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 102581, 'ESRI', 102581, '+proj=lcc +lat_1=49.5 +lat_0=49.5 +lon_0=2.337229166666667 +k_0=0.999877341 +x_0=600000 +y_0=1200000 +a=6378249.2 +b=6356514.999904194 +units=m +no_defs ', 'PROJCS["NTF_France_I_degrees",GEOGCS["GCS_NTF",DATUM["Nouvelle_Triangulation_Francaise",SPHEROID["Clarke_1880_IGN",6378249.2,293.46602]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["False_Easting",600000],PARAMETER["False_Northing",1200000],PARAMETER["Central_Meridian",2.337229166666667],PARAMETER["Standard_Parallel_1",49.5],PARAMETER["Scale_Factor",0.999877341],PARAMETER["Latitude_Of_Origin",49.5],UNIT["Meter",1],AUTHORITY["EPSG","102581"]]');

PROJCS["NTF_France_I_degrees",GEOGCS["GCS_NTF",DATUM["Nouvelle_Triangulation_Francaise",SPHEROID["Clarke_1880_IGN",6378249.2,293.46602]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["False_Easting",600000],PARAMETER["False_Northing",1200000],PARAMETER["Central_Meridian",2.337229166666667],PARAMETER["Standard_Parallel_1",49.5],PARAMETER["Scale_Factor",0.999877341],PARAMETER["Latitude_Of_Origin",49.5],UNIT["Meter",1],AUTHORITY["EPSG","102581"]]

[0, 0, (6378249.2, 6356514.999904194, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0), -1]