EPSG:27572

NTF (Paris) / Lambert zone II

Available transformations
to EPSG:4230
EPSG:4230 - ED50

  • France - onshore - mainland and Corsica. , accuracy 2.0 m, code 8186 (default)

Selected transformation

Remarks:

Information source: OGP

Revision date: 2018-05-12

Attributes

Unit: metre

Geodetic CRS: NTF (Paris)

Datum: Nouvelle Triangulation Francaise (Paris)

Ellipsoid: Clarke 1880 (IGN)

Prime meridian: Paris

Data source: EPSG

Revision date: 2005-05-27

Scope: Engineering survey, topographic mapping.

Remarks: Introduced 1972. Replaces NTF (Paris) / Lambert Centre France (code 27562).

Area of use: France mainland onshore between 50.5 grads and 53.5 grads North (45°27'N to 48°09'N). Also used over all onshore mainland France.

Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.

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SimpleMap

Center coordinates
603353.47 2136095.73

Projected bounds:
-5233.53 1589160.48
1212512.56 2706796.33

WGS84 bounds:
-4.87 41.31
9.63 51.14

France - onshore - mainland and Corsica.
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Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        BOUNDCRS[
            SOURCECRS[
                PROJCRS["NTF (Paris) / Lambert zone II",
                    BASEGEOGCRS["NTF (Paris)",
                        DATUM["Nouvelle Triangulation Francaise (Paris)",
                            ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293627,
                                LENGTHUNIT["metre",1]]],
                        PRIMEM["Paris",2.5969213,
                            ANGLEUNIT["grad",0.0157079632679489]],
                        ID["EPSG",4807]],
                    CONVERSION["Lambert zone II",
                        METHOD["Lambert Conic Conformal (1SP)",
                            ID["EPSG",9801]],
                        PARAMETER["Latitude of natural origin",52,
                            ANGLEUNIT["grad",0.0157079632679489],
                            ID["EPSG",8801]],
                        PARAMETER["Longitude of natural origin",0,
                            ANGLEUNIT["grad",0.0157079632679489],
                            ID["EPSG",8802]],
                        PARAMETER["Scale factor at natural origin",0.99987742,
                            SCALEUNIT["unity",1],
                            ID["EPSG",8805]],
                        PARAMETER["False easting",600000,
                            LENGTHUNIT["metre",1],
                            ID["EPSG",8806]],
                        PARAMETER["False northing",2200000,
                            LENGTHUNIT["metre",1],
                            ID["EPSG",8807]]],
                    CS[Cartesian,2],
                        AXIS["easting (X)",east,
                            ORDER[1],
                            LENGTHUNIT["metre",1]],
                        AXIS["northing (Y)",north,
                            ORDER[2],
                            LENGTHUNIT["metre",1]],
                    ID["EPSG",27572]]],
            TARGETCRS[
                GEOGCRS["NTF",
                    DATUM["Nouvelle Triangulation Francaise",
                        ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293627,
                            LENGTHUNIT["metre",1]]],
                    PRIMEM["Greenwich",0,
                        ANGLEUNIT["degree",0.0174532925199433]],
                    CS[ellipsoidal,2],
                        AXIS["geodetic latitude (Lat)",north,
                            ORDER[1],
                            ANGLEUNIT["degree",0.0174532925199433]],
                        AXIS["geodetic longitude (Lon)",east,
                            ORDER[2],
                            ANGLEUNIT["degree",0.0174532925199433]],
                    ID["EPSG",4275]]],
            ABRIDGEDTRANSFORMATION["NTF (Paris) to NTF (1)",
                METHOD["Longitude rotation",
                    ID["EPSG",9601]],
                PARAMETER["Longitude offset",8414.02501199997,
                    ID["EPSG",8602]],
                ID["EPSG",1763]]]],
    TARGETCRS[
        GEOGCRS["ED50",
            DATUM["European Datum 1950",
                ELLIPSOID["International 1924",6378388,297,
                    LENGTHUNIT["metre",1]]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]],
            CS[ellipsoidal,2],
                AXIS["geodetic latitude (Lat)",north,
                    ORDER[1],
                    ANGLEUNIT["degree",0.0174532925199433]],
                AXIS["geodetic longitude (Lon)",east,
                    ORDER[2],
                    ANGLEUNIT["degree",0.0174532925199433]],
            USAGE[
                SCOPE["Geodesy."],
                AREA["Europe - west: Andorra; Cyprus; Denmark - onshore and offshore; Faroe Islands - onshore; France - offshore; Germany - offshore North Sea; Gibraltar; Greece - offshore; Israel - offshore; Italy including San Marino and Vatican City State; Ireland offshore; Malta; Netherlands - offshore; North Sea; Norway including Svalbard - onshore and offshore; Portugal - mainland - offshore; Spain - onshore; Türkiye (Turkey) - onshore and offshore; United Kingdom - UKCS offshore east of 6°W including Channel Islands (Guernsey and Jersey). Egypt - Western Desert; Iraq - onshore; Jordan."],
                BBOX[25.71,-16.1,84.73,48.61]],
            ID["EPSG",4230]]],
    ABRIDGEDTRANSFORMATION["NTF to ED50 (1)",
        METHOD["Geocentric translations (geog2D domain)",
            ID["EPSG",9603]],
        PARAMETER["X-axis translation",-84,
            ID["EPSG",8605]],
        PARAMETER["Y-axis translation",37,
            ID["EPSG",8606]],
        PARAMETER["Z-axis translation",437,
            ID["EPSG",8607]],
        USAGE[
            SCOPE["Transformation of coordinates at 2m level of accuracy."],
            AREA["France - onshore - mainland and Corsica."],
            BBOX[41.31,-4.87,51.14,9.63]],
        ID["EPSG",1276]]]

Definition: PROJ.4

+proj=lcc +lat_1=46.8 +lat_0=46.8 +lon_0=0 +k_0=0.99987742 +x_0=600000 +y_0=2200000 +ellps=clrk80ign +pm=paris +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:27572","+proj=lcc +lat_1=46.8 +lat_0=46.8 +lon_0=0 +k_0=0.99987742 +x_0=600000 +y_0=2200000 +ellps=clrk80ign +pm=paris +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "BoundCRS",
        "source_crs": {
            "type": "ProjectedCRS",
            "name": "NTF (Paris) / Lambert zone II",
            "base_crs": {
                "name": "NTF (Paris)",
                "datum": {
                    "type": "GeodeticReferenceFrame",
                    "name": "Nouvelle Triangulation Francaise (Paris)",
                    "ellipsoid": {
                        "name": "Clarke 1880 (IGN)",
                        "semi_major_axis": 6378249.2,
                        "semi_minor_axis": 6356515
                    },
                    "prime_meridian": {
                        "name": "Paris",
                        "longitude": {
                            "value": 2.5969213,
                            "unit": {
                                "type": "AngularUnit",
                                "name": "grad",
                                "conversion_factor": 0.0157079632679489
                            }
                        }
                    }
                },
                "coordinate_system": {
                    "subtype": "ellipsoidal",
                    "axis": [
                        {
                            "name": "Geodetic latitude",
                            "abbreviation": "Lat",
                            "direction": "north",
                            "unit": {
                                "type": "AngularUnit",
                                "name": "grad",
                                "conversion_factor": 0.0157079632679489
                            }
                        },
                        {
                            "name": "Geodetic longitude",
                            "abbreviation": "Lon",
                            "direction": "east",
                            "unit": {
                                "type": "AngularUnit",
                                "name": "grad",
                                "conversion_factor": 0.0157079632679489
                            }
                        }
                    ]
                },
                "id": {
                    "authority": "EPSG",
                    "code": 4807
                }
            },
            "conversion": {
                "name": "Lambert zone II",
                "method": {
                    "name": "Lambert Conic Conformal (1SP)",
                    "id": {
                        "authority": "EPSG",
                        "code": 9801
                    }
                },
                "parameters": [
                    {
                        "name": "Latitude of natural origin",
                        "value": 52,
                        "unit": {
                            "type": "AngularUnit",
                            "name": "grad",
                            "conversion_factor": 0.0157079632679489
                        },
                        "id": {
                            "authority": "EPSG",
                            "code": 8801
                        }
                    },
                    {
                        "name": "Longitude of natural origin",
                        "value": 0,
                        "unit": {
                            "type": "AngularUnit",
                            "name": "grad",
                            "conversion_factor": 0.0157079632679489
                        },
                        "id": {
                            "authority": "EPSG",
                            "code": 8802
                        }
                    },
                    {
                        "name": "Scale factor at natural origin",
                        "value": 0.99987742,
                        "unit": "unity",
                        "id": {
                            "authority": "EPSG",
                            "code": 8805
                        }
                    },
                    {
                        "name": "False easting",
                        "value": 600000,
                        "unit": "metre",
                        "id": {
                            "authority": "EPSG",
                            "code": 8806
                        }
                    },
                    {
                        "name": "False northing",
                        "value": 2200000,
                        "unit": "metre",
                        "id": {
                            "authority": "EPSG",
                            "code": 8807
                        }
                    }
                ]
            },
            "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                    {
                        "name": "Easting",
                        "abbreviation": "X",
                        "direction": "east",
                        "unit": "metre"
                    },
                    {
                        "name": "Northing",
                        "abbreviation": "Y",
                        "direction": "north",
                        "unit": "metre"
                    }
                ]
            },
            "id": {
                "authority": "EPSG",
                "code": 27572
            }
        },
        "target_crs": {
            "type": "GeographicCRS",
            "name": "NTF",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "Nouvelle Triangulation Francaise",
                "ellipsoid": {
                    "name": "Clarke 1880 (IGN)",
                    "semi_major_axis": 6378249.2,
                    "semi_minor_axis": 6356515
                }
            },
            "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                    {
                        "name": "Geodetic latitude",
                        "abbreviation": "Lat",
                        "direction": "north",
                        "unit": "degree"
                    },
                    {
                        "name": "Geodetic longitude",
                        "abbreviation": "Lon",
                        "direction": "east",
                        "unit": "degree"
                    }
                ]
            },
            "id": {
                "authority": "EPSG",
                "code": 4275
            }
        },
        "transformation": {
            "name": "NTF (Paris) to NTF (1)",
            "source_crs": {
                "type": "GeographicCRS",
                "name": "NTF (Paris) (with Greenwich prime meridian)",
                "datum": {
                    "type": "GeodeticReferenceFrame",
                    "name": "Nouvelle Triangulation Francaise (Paris) (with Greenwich prime meridian)",
                    "ellipsoid": {
                        "name": "Clarke 1880 (IGN)",
                        "semi_major_axis": 6378249.2,
                        "semi_minor_axis": 6356515
                    }
                },
                "coordinate_system": {
                    "subtype": "ellipsoidal",
                    "axis": [
                        {
                            "name": "Geodetic latitude",
                            "abbreviation": "Lat",
                            "direction": "north",
                            "unit": {
                                "type": "AngularUnit",
                                "name": "grad",
                                "conversion_factor": 0.0157079632679489
                            }
                        },
                        {
                            "name": "Geodetic longitude",
                            "abbreviation": "Lon",
                            "direction": "east",
                            "unit": {
                                "type": "AngularUnit",
                                "name": "grad",
                                "conversion_factor": 0.0157079632679489
                            }
                        }
                    ]
                }
            },
            "method": {
                "name": "Longitude rotation",
                "id": {
                    "authority": "EPSG",
                    "code": 9601
                }
            },
            "parameters": [
                {
                    "name": "Longitude offset",
                    "value": 2.5969213,
                    "unit": {
                        "type": "AngularUnit",
                        "name": "grad",
                        "conversion_factor": 0.0157079632679489
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8602
                    }
                }
            ],
            "id": {
                "authority": "EPSG",
                "code": 1763
            }
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "ED50",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "European Datum 1950",
            "ellipsoid": {
                "name": "International 1924",
                "semi_major_axis": 6378388,
                "inverse_flattening": 297
            }
        },
        "coordinate_system": {
            "subtype": "ellipsoidal",
            "axis": [
                {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                },
                {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 4230
        }
    },
    "transformation": {
        "name": "NTF to ED50 (1)",
        "source_crs": {
            "type": "GeographicCRS",
            "name": "NTF",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "Nouvelle Triangulation Francaise",
                "ellipsoid": {
                    "name": "Clarke 1880 (IGN)",
                    "semi_major_axis": 6378249.2,
                    "semi_minor_axis": 6356515
                }
            },
            "coordinate_system": {
                "subtype": "ellipsoidal",
                "axis": [
                    {
                        "name": "Geodetic latitude",
                        "abbreviation": "Lat",
                        "direction": "north",
                        "unit": "degree"
                    },
                    {
                        "name": "Geodetic longitude",
                        "abbreviation": "Lon",
                        "direction": "east",
                        "unit": "degree"
                    }
                ]
            },
            "id": {
                "authority": "EPSG",
                "code": 4275
            }
        },
        "method": {
            "name": "Geocentric translations (geog2D domain)",
            "id": {
                "authority": "EPSG",
                "code": 9603
            }
        },
        "parameters": [
            {
                "name": "X-axis translation",
                "value": -84,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8605
                }
            },
            {
                "name": "Y-axis translation",
                "value": 37,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8606
                }
            },
            {
                "name": "Z-axis translation",
                "value": 437,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8607
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 1276
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=lcc"
	"lat_1=46.8"
	"lat_0=46.8"
	"lon_0=0"
	"k_0=0.99987742"
	"x_0=600000"
	"y_0=2200000"
	"ellps=clrk80ign"
	"pm=paris"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=lcc +lat_1=46.8 +lat_0=46.8 +lon_0=0 +k_0=0.99987742 +x_0=600000 +y_0=2200000 +ellps=clrk80ign +pm=paris +units=m +no_defs +type=crs">
	<Layer srs="+proj=lcc +lat_1=46.8 +lat_0=46.8 +lon_0=0 +k_0=0.99987742 +x_0=600000 +y_0=2200000 +ellps=clrk80ign +pm=paris +units=m +no_defs +type=crs">
	</Layer>
</Map>