EPSG:18134

Sahara Nord

Attributes

Data source: EPSG

Information source: IGN Paris.

Revision date: 2002-09-19

Scope: Engineering survey, topographic mapping.

Remarks: Created in 1977.

Method: Lambert Conic Conformal (1SP)

Area of use: Western Sahara - onshore north of 27grads North (24°18'N).

Description: (0,)

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SimpleMap
Western Sahara - onshore north of 27grads North (24°18'N).

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Definition: OGC Well Known Text

PROJECTION["Lambert_Conformal_Conic_1SP"],
PARAMETER["latitude_of_origin",26.1],
PARAMETER["central_meridian",-5.4],
PARAMETER["scale_factor",0.999616304],
PARAMETER["false_easting",1200000],
PARAMETER["false_northing",400000]

Definition: OGC Well Known Text 2 (2019)

CONVERSION["Sahara Nord",
    METHOD["Lambert Conic Conformal (1SP)",
        ID["EPSG",9801]],
    PARAMETER["Latitude of natural origin",29,
        ANGLEUNIT["grad",0.0157079632679489],
        ID["EPSG",8801]],
    PARAMETER["Longitude of natural origin",-6,
        ANGLEUNIT["grad",0.0157079632679489],
        ID["EPSG",8802]],
    PARAMETER["Scale factor at natural origin",0.999616304,
        SCALEUNIT["unity",1],
        ID["EPSG",8805]],
    PARAMETER["False easting",1200000,
        LENGTHUNIT["metre",1],
        ID["EPSG",8806]],
    PARAMETER["False northing",400000,
        LENGTHUNIT["metre",1],
        ID["EPSG",8807]],
    ID["EPSG",18134]]

Definition: ESRI Well Known Text

PROJECTION["Lambert_Conformal_Conic"],
PARAMETER["False_Easting",1200000.0],
PARAMETER["False_Northing",400000.0],
PARAMETER["Central_Meridian",-5.4],
PARAMETER["Standard_Parallel_1",26.1],
PARAMETER["Scale_Factor",0.999616304],
PARAMETER["Latitude_Of_Origin",26.1]

Definition: PROJ.4

+proj=lcc +lat_1=26.1 +lat_0=26.1 +lon_0=-5.4 +k_0=0.999616304 +x_0=1200000 +y_0=400000

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:18134","+proj=lcc +lat_1=26.1 +lat_0=26.1 +lon_0=-5.4 +k_0=0.999616304 +x_0=1200000 +y_0=400000");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Conversion",
    "name": "Sahara Nord",
    "method": {
        "name": "Lambert Conic Conformal (1SP)",
        "id": {
            "authority": "EPSG",
            "code": 9801
        }
    },
    "parameters": [
        {
            "name": "Latitude of natural origin",
            "value": 29,
            "unit": {
                "type": "AngularUnit",
                "name": "grad",
                "conversion_factor": 0.0157079632679489
            },
            "id": {
                "authority": "EPSG",
                "code": 8801
            }
        },
        {
            "name": "Longitude of natural origin",
            "value": -6,
            "unit": {
                "type": "AngularUnit",
                "name": "grad",
                "conversion_factor": 0.0157079632679489
            },
            "id": {
                "authority": "EPSG",
                "code": 8802
            }
        },
        {
            "name": "Scale factor at natural origin",
            "value": 0.999616304,
            "unit": "unity",
            "id": {
                "authority": "EPSG",
                "code": 8805
            }
        },
        {
            "name": "False easting",
            "value": 1200000,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8806
            }
        },
        {
            "name": "False northing",
            "value": 400000,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8807
            }
        }
    ],
    "id": {
        "authority": "EPSG",
        "code": 18134
    }
}

Definition: GeoServer

18134=PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",26.1],PARAMETER["central_meridian",-5.4],PARAMETER["scale_factor",0.999616304],PARAMETER["false_easting",1200000],PARAMETER["false_northing",400000]

Definition: MapServer - MAPfile

PROJECTION
	"proj=lcc"
	"lat_1=26.1"
	"lat_0=26.1"
	"lon_0=-5.4"
	"k_0=0.999616304"
	"x_0=1200000"
	"y_0=400000"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=lcc +lat_1=26.1 +lat_0=26.1 +lon_0=-5.4 +k_0=0.999616304 +x_0=1200000 +y_0=400000">
	<Layer srs="+proj=lcc +lat_1=26.1 +lat_0=26.1 +lon_0=-5.4 +k_0=0.999616304 +x_0=1200000 +y_0=400000">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 18134, 'EPSG', 18134, '+proj=lcc +lat_1=26.1 +lat_0=26.1 +lon_0=-5.4 +k_0=0.999616304 +x_0=1200000 +y_0=400000', 'PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",26.1],PARAMETER["central_meridian",-5.4],PARAMETER["scale_factor",0.999616304],PARAMETER["false_easting",1200000],PARAMETER["false_northing",400000]');