EPSG:7421 — NTF (Paris) / Lambert zone II + NGF-IGN69 height

Compound · France - mainland onshore

Export Formats

OGC WKT

COMPD_CS[
    "NTF (Paris) / Lambert zone II + NGF-IGN69 height",
    PROJCS[
        "NTF (Paris) / Lambert zone II",
        GEOGCS[
            "NTF (Paris)",
            DATUM[
                "Nouvelle_Triangulation_Francaise_Paris",
                SPHEROID[
                    "Clarke 1880 (IGN)",
                    6378249.2,
                    293.466021293627,
                    AUTHORITY["EPSG","7011"]
                ],
                AUTHORITY["EPSG","6807"]
            ],
            PRIMEM["Paris",2.33722917,AUTHORITY["EPSG","8903"]],
            UNIT["grad",0.0157079632679489,AUTHORITY["EPSG","9105"]],
            AUTHORITY["EPSG","4807"]
        ],
        PROJECTION["Lambert_Conformal_Conic_1SP"],
        PARAMETER["latitude_of_origin",52],
        PARAMETER["central_meridian",0],
        PARAMETER["scale_factor",0.99987742],
        PARAMETER["false_easting",600000],
        PARAMETER["false_northing",2200000],
        UNIT["metre",1,AUTHORITY["EPSG","9001"]],
        AXIS["Easting",EAST],
        AXIS["Northing",NORTH],
        AUTHORITY["EPSG","27572"]
    ],
    VERT_CS[
        "NGF-IGN69 height",
        VERT_DATUM[
            "Nivellement General de la France - IGN69",
            2005,
            AUTHORITY["EPSG","5119"]
        ],
        UNIT["metre",1,AUTHORITY["EPSG","9001"]],
        AXIS["Gravity-related height",UP],
        AUTHORITY["EPSG","5720"]
    ],
    AUTHORITY["EPSG","7421"]
]

WKT2

COMPOUNDCRS[
    "NTF (Paris) / Lambert zone II + NGF-IGN69 height",
    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,ID["EPSG",9001]],
                    ID["EPSG",7011]
                ],
                ID["EPSG",6807]
            ],
            PRIMEM[
                "Paris",
                0.040792344,
                ANGLEUNIT["radian",1,ID["EPSG",9101]],
                ID["EPSG",8903]
            ],
            ID["EPSG",4807]
        ],
        CONVERSION[
            "Lambert zone II",
            METHOD["Lambert Conic Conformal (1SP)",ID["EPSG",9801]],
            PARAMETER[
                "Latitude of natural origin",
                52,
                ANGLEUNIT["grad",0.015707963267949,ID["EPSG",9105]],
                ID["EPSG",8801]
            ],
            PARAMETER[
                "Longitude of natural origin",
                0,
                ANGLEUNIT["grad",0.015707963267949,ID["EPSG",9105]],
                ID["EPSG",8802]
            ],
            PARAMETER[
                "Scale factor at natural origin",
                0.99987742,
                SCALEUNIT["unity",1,ID["EPSG",9201]],
                ID["EPSG",8805]
            ],
            PARAMETER[
                "False easting",
                600000,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",8806]
            ],
            PARAMETER[
                "False northing",
                2200000,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",8807]
            ],
            ID["EPSG",18082]
        ],
        CS[Cartesian,2,ID["EPSG",4499]],
        AXIS["Easting (X)",east],
        AXIS["Northing (Y)",north],
        LENGTHUNIT["metre",1,ID["EPSG",9001]],
        ID["EPSG",27572]
    ],
    VERTCRS[
        "NGF-IGN69 height",
        VDATUM["Nivellement General de la France - IGN69",ID["EPSG",5119]],
        CS[vertical,1,ID["EPSG",6499]],
        AXIS["Gravity-related height (H)",up],
        LENGTHUNIT["metre",1,ID["EPSG",9001]],
        GEOIDMODEL["ETRS89-FRA [RGF93 v2] to NGF-IGN69 height (2)",ID["EPSG",8371]],
        GEOIDMODEL["ETRS89-FRA [RGF93 v2] to NGF-IGN69 height (3)",ID["EPSG",8885]],
        GEOIDMODEL["ETRS89-FRA [RGF93 v2b] to NGF-IGN69 height (4)",ID["EPSG",9786]],
        GEOIDMODEL["ETRS89-FRA [RGF93 v2b] to NGF-IGN69 height (5)",ID["EPSG",9876]],
        ID["EPSG",5720]
    ],
    ID["EPSG",7421]
]

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 +vunits=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:7421", "+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 +vunits=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 7421,
  "name": "NTF (Paris) / Lambert zone II + NGF-IGN69 height",
  "kind": "compound",
  "area": "France - mainland onshore",
  "unit": null,
  "bbox": [
    42.33,
    -4.87,
    51.14,
    8.23
  ],
  "proj4": "+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 +vunits=m +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (7421, 'EPSG', 7421, '+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 +vunits=m +no_defs +type=crs', 'COMPD_CS["NTF (Paris) / Lambert zone II + NGF-IGN69 height",PROJCS["NTF (Paris) / Lambert zone II",GEOGCS["NTF (Paris)",DATUM["Nouvelle_Triangulation_Francaise_Paris",SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627,AUTHORITY["EPSG","7011"]],AUTHORITY["EPSG","6807"]],PRIMEM["Paris",2.33722917,AUTHORITY["EPSG","8903"]],UNIT["grad",0.0157079632679489,AUTHORITY["EPSG","9105"]],AUTHORITY["EPSG","4807"]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",52],PARAMETER["central_meridian",0],PARAMETER["scale_factor",0.99987742],PARAMETER["false_easting",600000],PARAMETER["false_northing",2200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","27572"]],VERT_CS["NGF-IGN69 height",VERT_DATUM["Nivellement General de la France - IGN69",2005,AUTHORITY["EPSG","5119"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5720"]],AUTHORITY["EPSG","7421"]]');

MapServer

How to add a projection to MapServer? →

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"
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

7421=COMPD_CS["NTF (Paris) / Lambert zone II + NGF-IGN69 height",PROJCS["NTF (Paris) / Lambert zone II",GEOGCS["NTF (Paris)",DATUM["Nouvelle_Triangulation_Francaise_Paris",SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627,AUTHORITY["EPSG","7011"]],AUTHORITY["EPSG","6807"]],PRIMEM["Paris",2.33722917,AUTHORITY["EPSG","8903"]],UNIT["grad",0.0157079632679489,AUTHORITY["EPSG","9105"]],AUTHORITY["EPSG","4807"]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",52],PARAMETER["central_meridian",0],PARAMETER["scale_factor",0.99987742],PARAMETER["false_easting",600000],PARAMETER["false_northing",2200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","27572"]],VERT_CS["NGF-IGN69 height",VERT_DATUM["Nivellement General de la France - IGN69",2005,AUTHORITY["EPSG","5119"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5720"]],AUTHORITY["EPSG","7421"]]

Frequently Asked Questions

How do I add EPSG:7421 to GeoServer?

Add the following definition to your GeoServer configuration:

7421=COMPD_CS["NTF (Paris) / Lambert zone II + NGF-IGN69 height",PROJCS["NTF (Paris) / Lambert zone II",GEOGCS["NTF (Paris)",DATUM["Nouvelle_Triangulation_Francaise_Paris",SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627,AUTHORITY["EPSG","7011"]],AUTHORITY["EPSG","6807"]],PRIMEM["Paris",2.33722917,AUTHORITY["EPSG","8903"]],UNIT["grad",0.0157079632679489,AUTHORITY["EPSG","9105"]],AUTHORITY["EPSG","4807"]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",52],PARAMETER["central_meridian",0],PARAMETER["scale_factor",0.99987742],PARAMETER["false_easting",600000],PARAMETER["false_northing",2200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","27572"]],VERT_CS["NGF-IGN69 height",VERT_DATUM["Nivellement General de la France - IGN69",2005,AUTHORITY["EPSG","5119"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5720"]],AUTHORITY["EPSG","7421"]]

Read the full GeoServer guide →

How do I add EPSG:7421 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (7421, 'EPSG', 7421, '+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 +vunits=m +no_defs +type=crs', 'COMPD_CS["NTF (Paris) / Lambert zone II + NGF-IGN69 height",PROJCS["NTF (Paris) / Lambert zone II",GEOGCS["NTF (Paris)",DATUM["Nouvelle_Triangulation_Francaise_Paris",SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627,AUTHORITY["EPSG","7011"]],AUTHORITY["EPSG","6807"]],PRIMEM["Paris",2.33722917,AUTHORITY["EPSG","8903"]],UNIT["grad",0.0157079632679489,AUTHORITY["EPSG","9105"]],AUTHORITY["EPSG","4807"]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",52],PARAMETER["central_meridian",0],PARAMETER["scale_factor",0.99987742],PARAMETER["false_easting",600000],PARAMETER["false_northing",2200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","27572"]],VERT_CS["NGF-IGN69 height",VERT_DATUM["Nivellement General de la France - IGN69",2005,AUTHORITY["EPSG","5119"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5720"]],AUTHORITY["EPSG","7421"]]');

Read the full PostGIS guide →

How do I add EPSG:7421 to MapServer?

Add the following definition to your MapServer configuration:

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"
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:7421 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:7421", "+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 +vunits=m +no_defs +type=crs");

Read the full Proj4js guide →