ESRI:102581 — NTF France I degrees

Name: ESRI:102581 - NTF France I degrees
Creator: Esri
License: https://www.apache.org/licenses/LICENSE-2.0

Projected · France - mainland north of 48.15~N

Export Formats

OGC WKT

PROJCS[
    "NTF_France_I_degrees",
    GEOGCS[
        "GCS_NTF",
        DATUM["D_NTF",SPHEROID["Clarke_1880_IGN",6378249.2,293.4660212936265]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]
    ],
    PROJECTION["Lambert_Conformal_Conic"],
    PARAMETER["False_Easting",600000.0],
    PARAMETER["False_Northing",1200000.0],
    PARAMETER["Central_Meridian",2.337229166666667],
    PARAMETER["Standard_Parallel_1",49.5],
    PARAMETER["Scale_Factor",0.999877341],
    PARAMETER["Latitude_Of_Origin",49.5],
    UNIT["Meter",1.0]
]

WKT2

PROJCRS[
    "NTF_France_I_degrees",
    BASEGEOGCRS[
        "GCS_NTF",
        DATUM["D_NTF",ELLIPSOID["Clarke_1880_IGN",6378249.2,293.4660212936265]],
        PRIMEM["Greenwich",0.0],
        CS[ellipsoidal,2],
        AXIS["Latitude (lat)",north,ORDER[1]],
        AXIS["Longitude (lon)",east,ORDER[2]],
        ANGLEUNIT["Degree",0.0174532925199433]
    ],
    CONVERSION[
        "Lambert_Conformal_Conic",
        METHOD["Lambert_Conformal_Conic"],
        PARAMETER["False_Easting",600000.0],
        PARAMETER["False_Northing",1200000.0],
        PARAMETER["Central_Meridian",2.337229166666667],
        PARAMETER["Standard_Parallel_1",49.5],
        PARAMETER["Scale_Factor",0.999877341],
        PARAMETER["Latitude_Of_Origin",49.5]
    ],
    CS[Cartesian,2],
    AXIS["Easting (X)",east,ORDER[1]],
    AXIS["Northing (Y)",north,ORDER[2]],
    LENGTHUNIT["Meter",1.0],
    ID["Esri","102581"]
]

PROJ.4

+proj=lcc +ellps=clrk80ign +x_0=600000.0 +y_0=1200000.0 +lon_0=2d20'14.025"E +lat_0=49d30'N +lat_1=49d30'N +k_0=0.999877341 +towgs84=-168.0,-60.0,320.0 +no_defs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("ESRI:102581", "+proj=lcc +ellps=clrk80ign +x_0=600000.0 +y_0=1200000.0 +lon_0=2d20'14.025"E +lat_0=49d30'N +lat_1=49d30'N +k_0=0.999877341 +towgs84=-168.0,-60.0,320.0 +no_defs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 102581,
  "name": "NTF France I degrees",
  "kind": "projected",
  "area": "France - mainland north of 48.15~N",
  "unit": null,
  "bbox": [
    48.14,
    -4.87,
    51.14,
    8.23
  ],
  "proj4": "+proj=lcc +ellps=clrk80ign +x_0=600000.0 +y_0=1200000.0 +lon_0=2d20'14.025\"E +lat_0=49d30'N +lat_1=49d30'N +k_0=0.999877341 +towgs84=-168.0,-60.0,320.0 +no_defs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (102581, 'ESRI', 102581, '+proj=lcc +ellps=clrk80ign +x_0=600000.0 +y_0=1200000.0 +lon_0=2d20''14.025"E +lat_0=49d30''N +lat_1=49d30''N +k_0=0.999877341 +towgs84=-168.0,-60.0,320.0 +no_defs', 'PROJCS["NTF_France_I_degrees",GEOGCS["GCS_NTF",DATUM["D_NTF",SPHEROID["Clarke_1880_IGN",6378249.2,293.4660212936265]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",600000.0],PARAMETER["False_Northing",1200000.0],PARAMETER["Central_Meridian",2.337229166666667],PARAMETER["Standard_Parallel_1",49.5],PARAMETER["Scale_Factor",0.999877341],PARAMETER["Latitude_Of_Origin",49.5],UNIT["Meter",1.0]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=lcc"
  "+ellps=clrk80ign"
  "+x_0=600000.0"
  "+y_0=1200000.0"
  "+lon_0=2d20'14.025"E"
  "+lat_0=49d30'N"
  "+lat_1=49d30'N"
  "+k_0=0.999877341"
  "+towgs84=-168.0,-60.0,320.0"
  "+no_defs"
END

GeoServer

How to add a projection to GeoServer? →

102581=PROJCS["NTF_France_I_degrees",GEOGCS["GCS_NTF",DATUM["D_NTF",SPHEROID["Clarke_1880_IGN",6378249.2,293.4660212936265]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",600000.0],PARAMETER["False_Northing",1200000.0],PARAMETER["Central_Meridian",2.337229166666667],PARAMETER["Standard_Parallel_1",49.5],PARAMETER["Scale_Factor",0.999877341],PARAMETER["Latitude_Of_Origin",49.5],UNIT["Meter",1.0]]

Frequently Asked Questions

How do I add ESRI:102581 to GeoServer?

Add the following definition to your GeoServer configuration:

102581=PROJCS["NTF_France_I_degrees",GEOGCS["GCS_NTF",DATUM["D_NTF",SPHEROID["Clarke_1880_IGN",6378249.2,293.4660212936265]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",600000.0],PARAMETER["False_Northing",1200000.0],PARAMETER["Central_Meridian",2.337229166666667],PARAMETER["Standard_Parallel_1",49.5],PARAMETER["Scale_Factor",0.999877341],PARAMETER["Latitude_Of_Origin",49.5],UNIT["Meter",1.0]]

Read the full GeoServer guide →

How do I add ESRI:102581 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (102581, 'ESRI', 102581, '+proj=lcc +ellps=clrk80ign +x_0=600000.0 +y_0=1200000.0 +lon_0=2d20''14.025"E +lat_0=49d30''N +lat_1=49d30''N +k_0=0.999877341 +towgs84=-168.0,-60.0,320.0 +no_defs', 'PROJCS["NTF_France_I_degrees",GEOGCS["GCS_NTF",DATUM["D_NTF",SPHEROID["Clarke_1880_IGN",6378249.2,293.4660212936265]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",600000.0],PARAMETER["False_Northing",1200000.0],PARAMETER["Central_Meridian",2.337229166666667],PARAMETER["Standard_Parallel_1",49.5],PARAMETER["Scale_Factor",0.999877341],PARAMETER["Latitude_Of_Origin",49.5],UNIT["Meter",1.0]]');

Read the full PostGIS guide →

How do I add ESRI:102581 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=lcc"
  "+ellps=clrk80ign"
  "+x_0=600000.0"
  "+y_0=1200000.0"
  "+lon_0=2d20'14.025"E"
  "+lat_0=49d30'N"
  "+lat_1=49d30'N"
  "+k_0=0.999877341"
  "+towgs84=-168.0,-60.0,320.0"
  "+no_defs"
END

Read the full MapServer guide →

How do I use ESRI:102581 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("ESRI:102581", "+proj=lcc +ellps=clrk80ign +x_0=600000.0 +y_0=1200000.0 +lon_0=2d20'14.025"E +lat_0=49d30'N +lat_1=49d30'N +k_0=0.999877341 +towgs84=-168.0,-60.0,320.0 +no_defs");

Read the full Proj4js guide →