ESRI:102491 — Nord Algerie Ancienne Degree

Name: ESRI:102491 - Nord Algerie Ancienne Degree
Creator: Esri
License: https://www.apache.org/licenses/LICENSE-2.0

Projected · Algeria - north of 34~39'N

Export Formats

OGC WKT

PROJCS[
    "Nord_Algerie_Ancienne_Degree",
    GEOGCS[
        "GCS_Voirol_1875",
        DATUM[
            "D_Voirol_1875",
            SPHEROID["Clarke_1880_IGN",6378249.2,293.4660212936265]
        ],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]
    ],
    PROJECTION["Lambert_Conformal_Conic"],
    PARAMETER["False_Easting",500000.0],
    PARAMETER["False_Northing",300000.0],
    PARAMETER["Central_Meridian",2.7],
    PARAMETER["Standard_Parallel_1",36.0],
    PARAMETER["Scale_Factor",0.999625544],
    PARAMETER["Latitude_Of_Origin",36.0],
    UNIT["Meter",1.0]
]

WKT2

PROJCRS[
    "Nord_Algerie_Ancienne_Degree",
    BASEGEOGCRS[
        "GCS_Voirol_1875",
        DATUM[
            "D_Voirol_1875",
            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",500000.0],
        PARAMETER["False_Northing",300000.0],
        PARAMETER["Central_Meridian",2.7],
        PARAMETER["Standard_Parallel_1",36.0],
        PARAMETER["Scale_Factor",0.999625544],
        PARAMETER["Latitude_Of_Origin",36.0]
    ],
    CS[Cartesian,2],
    AXIS["Easting (X)",east,ORDER[1]],
    AXIS["Northing (Y)",north,ORDER[2]],
    LENGTHUNIT["Meter",1.0],
    ID["Esri","102491"]
]

PROJ.4

+proj=lcc +ellps=clrk80ign +x_0=500000.0 +y_0=300000.0 +lon_0=2d42'E +lat_0=36dN +lat_1=36dN +k_0=0.999625544 +towgs84=-73.0,-247.0,227.0 +no_defs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("ESRI:102491", "+proj=lcc +ellps=clrk80ign +x_0=500000.0 +y_0=300000.0 +lon_0=2d42'E +lat_0=36dN +lat_1=36dN +k_0=0.999625544 +towgs84=-73.0,-247.0,227.0 +no_defs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 102491,
  "name": "Nord Algerie Ancienne Degree",
  "kind": "projected",
  "area": "Algeria - north of 34~39'N",
  "unit": null,
  "bbox": [
    34.64,
    -2.22,
    37.14,
    8.64
  ],
  "proj4": "+proj=lcc +ellps=clrk80ign +x_0=500000.0 +y_0=300000.0 +lon_0=2d42'E +lat_0=36dN +lat_1=36dN +k_0=0.999625544 +towgs84=-73.0,-247.0,227.0 +no_defs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (102491, 'ESRI', 102491, '+proj=lcc +ellps=clrk80ign +x_0=500000.0 +y_0=300000.0 +lon_0=2d42''E +lat_0=36dN +lat_1=36dN +k_0=0.999625544 +towgs84=-73.0,-247.0,227.0 +no_defs', 'PROJCS["Nord_Algerie_Ancienne_Degree",GEOGCS["GCS_Voirol_1875",DATUM["D_Voirol_1875",SPHEROID["Clarke_1880_IGN",6378249.2,293.4660212936265]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",300000.0],PARAMETER["Central_Meridian",2.7],PARAMETER["Standard_Parallel_1",36.0],PARAMETER["Scale_Factor",0.999625544],PARAMETER["Latitude_Of_Origin",36.0],UNIT["Meter",1.0]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=lcc"
  "+ellps=clrk80ign"
  "+x_0=500000.0"
  "+y_0=300000.0"
  "+lon_0=2d42'E"
  "+lat_0=36dN"
  "+lat_1=36dN"
  "+k_0=0.999625544"
  "+towgs84=-73.0,-247.0,227.0"
  "+no_defs"
END

GeoServer

How to add a projection to GeoServer? →

102491=PROJCS["Nord_Algerie_Ancienne_Degree",GEOGCS["GCS_Voirol_1875",DATUM["D_Voirol_1875",SPHEROID["Clarke_1880_IGN",6378249.2,293.4660212936265]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",300000.0],PARAMETER["Central_Meridian",2.7],PARAMETER["Standard_Parallel_1",36.0],PARAMETER["Scale_Factor",0.999625544],PARAMETER["Latitude_Of_Origin",36.0],UNIT["Meter",1.0]]

Frequently Asked Questions

How do I add ESRI:102491 to GeoServer?

Add the following definition to your GeoServer configuration:

102491=PROJCS["Nord_Algerie_Ancienne_Degree",GEOGCS["GCS_Voirol_1875",DATUM["D_Voirol_1875",SPHEROID["Clarke_1880_IGN",6378249.2,293.4660212936265]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",300000.0],PARAMETER["Central_Meridian",2.7],PARAMETER["Standard_Parallel_1",36.0],PARAMETER["Scale_Factor",0.999625544],PARAMETER["Latitude_Of_Origin",36.0],UNIT["Meter",1.0]]

Read the full GeoServer guide →

How do I add ESRI:102491 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (102491, 'ESRI', 102491, '+proj=lcc +ellps=clrk80ign +x_0=500000.0 +y_0=300000.0 +lon_0=2d42''E +lat_0=36dN +lat_1=36dN +k_0=0.999625544 +towgs84=-73.0,-247.0,227.0 +no_defs', 'PROJCS["Nord_Algerie_Ancienne_Degree",GEOGCS["GCS_Voirol_1875",DATUM["D_Voirol_1875",SPHEROID["Clarke_1880_IGN",6378249.2,293.4660212936265]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",300000.0],PARAMETER["Central_Meridian",2.7],PARAMETER["Standard_Parallel_1",36.0],PARAMETER["Scale_Factor",0.999625544],PARAMETER["Latitude_Of_Origin",36.0],UNIT["Meter",1.0]]');

Read the full PostGIS guide →

How do I add ESRI:102491 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=lcc"
  "+ellps=clrk80ign"
  "+x_0=500000.0"
  "+y_0=300000.0"
  "+lon_0=2d42'E"
  "+lat_0=36dN"
  "+lat_1=36dN"
  "+k_0=0.999625544"
  "+towgs84=-73.0,-247.0,227.0"
  "+no_defs"
END

Read the full MapServer guide →

How do I use ESRI:102491 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("ESRI:102491", "+proj=lcc +ellps=clrk80ign +x_0=500000.0 +y_0=300000.0 +lon_0=2d42'E +lat_0=36dN +lat_1=36dN +k_0=0.999625544 +towgs84=-73.0,-247.0,227.0 +no_defs");

Read the full Proj4js guide →