EPSG:21500

BD50 (Brussels) / Belge Lambert 50

Attributes

Unit: metre

Geodetic CRS: BD50 (Brussels)

Datum: Reseau National Belge 1950 (Brussels)

Ellipsoid: International 1924

Prime meridian: Brussels

Data source: EPSG

Information source: IGN Brussels.

Revision date: 2021-06-17

Scope: Engineering survey, topographic mapping.

Remarks: Replaced by BD72 / Belge Lambert 72 (code 31300) and BD72 / Belgian Lambert 72 (code 31370).

Area of use: Belgium - onshore.

Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.

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SimpleMap

Center coordinates
155818.9 132543.24

Projected bounds:
14686.82 20755.96
297193.85 246277.54

WGS84 bounds:
2.5 49.5
6.4 51.51

Belgium - onshore.
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Definition: OGC Well Known Text

PROJCS["BD50 (Brussels) / Belge Lambert 50",
    GEOGCS["BD50 (Brussels)",
        DATUM["Reseau_National_Belge_1950_Brussels",
            SPHEROID["International 1924",6378388,297,
                AUTHORITY["EPSG","7022"]],
            AUTHORITY["EPSG","6809"]],
        PRIMEM["Brussels",4.367975,
            AUTHORITY["EPSG","8910"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4809"]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["latitude_of_origin",90],
    PARAMETER["central_meridian",0],
    PARAMETER["standard_parallel_1",49.8333333333333],
    PARAMETER["standard_parallel_2",51.1666666666667],
    PARAMETER["false_easting",150000],
    PARAMETER["false_northing",5400000],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","21500"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["BD50 (Brussels) / Belge Lambert 50",
    BASEGEOGCRS["BD50 (Brussels)",
        DATUM["Reseau National Belge 1950 (Brussels)",
            ELLIPSOID["International 1924",6378388,297,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Brussels",4.367975,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4809]],
    CONVERSION["Belge Lambert 50",
        METHOD["Lambert Conic Conformal (2SP)",
            ID["EPSG",9802]],
        PARAMETER["Latitude of false origin",90,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8821]],
        PARAMETER["Longitude of false origin",0,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8822]],
        PARAMETER["Latitude of 1st standard parallel",49.8333333333333,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8823]],
        PARAMETER["Latitude of 2nd standard parallel",51.1666666666667,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8824]],
        PARAMETER["Easting at false origin",150000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8826]],
        PARAMETER["Northing at false origin",5400000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8827]]],
    CS[Cartesian,2],
        AXIS["easting (X)",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["northing (Y)",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Engineering survey, topographic mapping."],
        AREA["Belgium - onshore."],
        BBOX[49.5,2.5,51.51,6.4]],
    ID["EPSG",21500]]

Definition: ESRI Well Known Text

PROJCS["Belge_Lambert_1950",
    GEOGCS["GCS_Belge_1950_Brussels",
        DATUM["Reseau_National_Belge_1950_(Brussels)",
            SPHEROID["International_1924",6378388.0,297.0]],
        PRIMEM["Brussels",4.367975],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Lambert_Conformal_Conic"],
    PARAMETER["False_Easting",150000.0],
    PARAMETER["False_Northing",5400000.0],
    PARAMETER["Central_Meridian",0.0],
    PARAMETER["Standard_Parallel_1",49.8333333333333],
    PARAMETER["Standard_Parallel_2",51.1666666666667],
    PARAMETER["Latitude_Of_Origin",90.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=lcc +lat_0=90 +lon_0=0 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150000 +y_0=5400000 +ellps=intl +pm=brussels +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:21500","+proj=lcc +lat_0=90 +lon_0=0 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150000 +y_0=5400000 +ellps=intl +pm=brussels +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "BD50 (Brussels) / Belge Lambert 50",
    "base_crs": {
        "name": "BD50 (Brussels)",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Reseau National Belge 1950 (Brussels)",
            "ellipsoid": {
                "name": "International 1924",
                "semi_major_axis": 6378388,
                "inverse_flattening": 297
            },
            "prime_meridian": {
                "name": "Brussels",
                "longitude": 4.367975
            }
        },
        "coordinate_system": {
            "subtype": "ellipsoidal",
            "axis": [
                {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                },
                {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 4809
        }
    },
    "conversion": {
        "name": "Belge Lambert 50",
        "method": {
            "name": "Lambert Conic Conformal (2SP)",
            "id": {
                "authority": "EPSG",
                "code": 9802
            }
        },
        "parameters": [
            {
                "name": "Latitude of false origin",
                "value": 90,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8821
                }
            },
            {
                "name": "Longitude of false origin",
                "value": 0,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8822
                }
            },
            {
                "name": "Latitude of 1st standard parallel",
                "value": 49.8333333333333,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8823
                }
            },
            {
                "name": "Latitude of 2nd standard parallel",
                "value": 51.1666666666667,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8824
                }
            },
            {
                "name": "Easting at false origin",
                "value": 150000,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8826
                }
            },
            {
                "name": "Northing at false origin",
                "value": 5400000,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8827
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Easting",
                "abbreviation": "X",
                "direction": "east",
                "unit": "metre"
            },
            {
                "name": "Northing",
                "abbreviation": "Y",
                "direction": "north",
                "unit": "metre"
            }
        ]
    },
    "scope": "Engineering survey, topographic mapping.",
    "area": "Belgium - onshore.",
    "bbox": {
        "south_latitude": 49.5,
        "west_longitude": 2.5,
        "north_latitude": 51.51,
        "east_longitude": 6.4
    },
    "id": {
        "authority": "EPSG",
        "code": 21500
    }
}

Definition: GeoServer

21500=PROJCS["BD50 (Brussels) / Belge Lambert 50",GEOGCS["BD50 (Brussels)",DATUM["Reseau_National_Belge_1950_Brussels",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6809"]],PRIMEM["Brussels",4.367975,AUTHORITY["EPSG","8910"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4809"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",90],PARAMETER["central_meridian",0],PARAMETER["standard_parallel_1",49.8333333333333],PARAMETER["standard_parallel_2",51.1666666666667],PARAMETER["false_easting",150000],PARAMETER["false_northing",5400000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","21500"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=lcc"
	"lat_0=90"
	"lon_0=0"
	"lat_1=49.8333333333333"
	"lat_2=51.1666666666667"
	"x_0=150000"
	"y_0=5400000"
	"ellps=intl"
	"pm=brussels"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=lcc +lat_0=90 +lon_0=0 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150000 +y_0=5400000 +ellps=intl +pm=brussels +units=m +no_defs +type=crs">
	<Layer srs="+proj=lcc +lat_0=90 +lon_0=0 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150000 +y_0=5400000 +ellps=intl +pm=brussels +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 21500, 'EPSG', 21500, '+proj=lcc +lat_0=90 +lon_0=0 +lat_1=49.8333333333333 +lat_2=51.1666666666667 +x_0=150000 +y_0=5400000 +ellps=intl +pm=brussels +units=m +no_defs +type=crs', 'PROJCS["BD50 (Brussels) / Belge Lambert 50",GEOGCS["BD50 (Brussels)",DATUM["Reseau_National_Belge_1950_Brussels",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6809"]],PRIMEM["Brussels",4.367975,AUTHORITY["EPSG","8910"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4809"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",90],PARAMETER["central_meridian",0],PARAMETER["standard_parallel_1",49.8333333333333],PARAMETER["standard_parallel_2",51.1666666666667],PARAMETER["false_easting",150000],PARAMETER["false_northing",5400000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","21500"]]');