EPSG:26191 — Merchich / Nord Maroc

Projected · Morocco - north of 31.5°N

Export Formats

OGC WKT

PROJCS[
    "Merchich / Nord Maroc",
    GEOGCS[
        "Merchich",
        DATUM[
            "Merchich",
            SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627],
            TOWGS84[31,146,47,0,0,0,0]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4261"]
    ],
    PROJECTION["Lambert_Conformal_Conic_1SP"],
    PARAMETER["latitude_of_origin",33.3],
    PARAMETER["central_meridian",-5.4],
    PARAMETER["scale_factor",0.999625769],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",300000],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","26191"]
]

WKT2

PROJCRS[
    "Merchich / Nord Maroc",
    BASEGEOGCRS[
        "Merchich",
        DATUM[
            "Merchich",
            ELLIPSOID[
                "Clarke 1880 (IGN)",
                6378249.2,
                293.466021293627,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7011]
            ],
            ID["EPSG",6261]
        ],
        ID["EPSG",4261]
    ],
    CONVERSION[
        "Nord Maroc",
        METHOD["Lambert Conic Conformal (1SP)",ID["EPSG",9801]],
        PARAMETER[
            "Latitude of natural origin",
            37,
            ANGLEUNIT["grad",0.015707963267949,ID["EPSG",9105]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            -6,
            ANGLEUNIT["grad",0.015707963267949,ID["EPSG",9105]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            0.999625769,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            500000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            300000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",18131]
    ],
    CS[Cartesian,2,ID["EPSG",4499]],
    AXIS["Easting (X)",east],
    AXIS["Northing (Y)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",26191]
]

PROJ.4

+proj=lcc +lat_1=33.3 +lat_0=33.3 +lon_0=-5.4 +k_0=0.999625769 +x_0=500000 +y_0=300000 +ellps=clrk80ign +towgs84=31,146,47,0,0,0,0 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:26191", "+proj=lcc +lat_1=33.3 +lat_0=33.3 +lon_0=-5.4 +k_0=0.999625769 +x_0=500000 +y_0=300000 +ellps=clrk80ign +towgs84=31,146,47,0,0,0,0 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 26191,
  "name": "Merchich / Nord Maroc",
  "kind": "projected",
  "area": "Morocco - north of 31.5°N",
  "unit": "metre",
  "bbox": [
    31.49,
    -9.85,
    35.97,
    -1.01
  ],
  "proj4": "+proj=lcc +lat_1=33.3 +lat_0=33.3 +lon_0=-5.4 +k_0=0.999625769 +x_0=500000 +y_0=300000 +ellps=clrk80ign +towgs84=31,146,47,0,0,0,0 +units=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 (26191, 'EPSG', 26191, '+proj=lcc +lat_1=33.3 +lat_0=33.3 +lon_0=-5.4 +k_0=0.999625769 +x_0=500000 +y_0=300000 +ellps=clrk80ign +towgs84=31,146,47,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["Merchich / Nord Maroc",GEOGCS["Merchich",DATUM["Merchich",SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627],TOWGS84[31,146,47,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4261"]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",33.3],PARAMETER["central_meridian",-5.4],PARAMETER["scale_factor",0.999625769],PARAMETER["false_easting",500000],PARAMETER["false_northing",300000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26191"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=lcc"
  "+lat_1=33.3"
  "+lat_0=33.3"
  "+lon_0=-5.4"
  "+k_0=0.999625769"
  "+x_0=500000"
  "+y_0=300000"
  "+ellps=clrk80ign"
  "+towgs84=31,146,47,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

26191=PROJCS["Merchich / Nord Maroc",GEOGCS["Merchich",DATUM["Merchich",SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627],TOWGS84[31,146,47,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4261"]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",33.3],PARAMETER["central_meridian",-5.4],PARAMETER["scale_factor",0.999625769],PARAMETER["false_easting",500000],PARAMETER["false_northing",300000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26191"]]

Related Coordinate Systems

Available Transformations (1)

Transformations inherited from base CRS: EPSG:4261 (Merchich)

Transformation	Source → Target	Accuracy (m)
Merchich to WGS 84 (1)	4261 → 4326	7

Other CRS using Merchich

Frequently Asked Questions

How do I add EPSG:26191 to GeoServer?

Add the following definition to your GeoServer configuration:

26191=PROJCS["Merchich / Nord Maroc",GEOGCS["Merchich",DATUM["Merchich",SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627],TOWGS84[31,146,47,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4261"]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",33.3],PARAMETER["central_meridian",-5.4],PARAMETER["scale_factor",0.999625769],PARAMETER["false_easting",500000],PARAMETER["false_northing",300000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26191"]]

Read the full GeoServer guide →

How do I add EPSG:26191 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (26191, 'EPSG', 26191, '+proj=lcc +lat_1=33.3 +lat_0=33.3 +lon_0=-5.4 +k_0=0.999625769 +x_0=500000 +y_0=300000 +ellps=clrk80ign +towgs84=31,146,47,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["Merchich / Nord Maroc",GEOGCS["Merchich",DATUM["Merchich",SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627],TOWGS84[31,146,47,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4261"]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",33.3],PARAMETER["central_meridian",-5.4],PARAMETER["scale_factor",0.999625769],PARAMETER["false_easting",500000],PARAMETER["false_northing",300000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26191"]]');

Read the full PostGIS guide →

How do I add EPSG:26191 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=lcc"
  "+lat_1=33.3"
  "+lat_0=33.3"
  "+lon_0=-5.4"
  "+k_0=0.999625769"
  "+x_0=500000"
  "+y_0=300000"
  "+ellps=clrk80ign"
  "+towgs84=31,146,47,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:26191 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:26191", "+proj=lcc +lat_1=33.3 +lat_0=33.3 +lon_0=-5.4 +k_0=0.999625769 +x_0=500000 +y_0=300000 +ellps=clrk80ign +towgs84=31,146,47,0,0,0,0 +units=m +no_defs +type=crs");

Read the full Proj4js guide →