EPSG:20790

Lisbon (Lisbon) / Portuguese National Grid

Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

Selected transformation

Remarks:

Information source: OGP

Revision date: 2020-03-14

Attributes

Unit: metre

Geodetic CRS: Lisbon (Lisbon)

Datum: Lisbon 1937 (Lisbon)

Ellipsoid: International 1924

Prime meridian: Lisbon

Data source: EPSG

Information source: Geodetic Services Directorate, Instituto Geografico e Cadastral, Lisbon; http://www.igeo.pt/

Revision date: 1998-11-11

Center coordinates
222183.05 287456.82

Projected bounds:
72899.47 -1735.78
373081.62 578544.38

WGS84 bounds:
-9.56 36.95
-6.19 42.16

Portugal - mainland - onshore.
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Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        BOUNDCRS[
            SOURCECRS[
                PROJCRS["Lisbon (Lisbon) / Portuguese National Grid",
                    BASEGEOGCRS["Lisbon (Lisbon)",
                        DATUM["Lisbon 1937 (Lisbon)",
                            ELLIPSOID["International 1924",6378388,297,
                                LENGTHUNIT["metre",1]]],
                        PRIMEM["Lisbon",-9.13190611111111,
                            ANGLEUNIT["degree",0.0174532925199433]],
                        ID["EPSG",4803]],
                    CONVERSION["Portuguese National Grid",
                        METHOD["Transverse Mercator",
                            ID["EPSG",9807]],
                        PARAMETER["Latitude of natural origin",39.6666666666667,
                            ANGLEUNIT["degree",0.0174532925199433],
                            ID["EPSG",8801]],
                        PARAMETER["Longitude of natural origin",1,
                            ANGLEUNIT["degree",0.0174532925199433],
                            ID["EPSG",8802]],
                        PARAMETER["Scale factor at natural origin",1,
                            SCALEUNIT["unity",1],
                            ID["EPSG",8805]],
                        PARAMETER["False easting",200000,
                            LENGTHUNIT["metre",1],
                            ID["EPSG",8806]],
                        PARAMETER["False northing",300000,
                            LENGTHUNIT["metre",1],
                            ID["EPSG",8807]]],
                    CS[Cartesian,2],
                        AXIS["easting (X)",east,
                            ORDER[1],
                            LENGTHUNIT["metre",1]],
                        AXIS["northing (Y)",north,
                            ORDER[2],
                            LENGTHUNIT["metre",1]],
                    ID["EPSG",20790]]],
            TARGETCRS[
                GEOGCRS["Lisbon",
                    DATUM["Lisbon 1937",
                        ELLIPSOID["International 1924",6378388,297,
                            LENGTHUNIT["metre",1]]],
                    PRIMEM["Greenwich",0,
                        ANGLEUNIT["degree",0.0174532925199433]],
                    CS[ellipsoidal,2],
                        AXIS["geodetic latitude (Lat)",north,
                            ORDER[1],
                            ANGLEUNIT["degree",0.0174532925199433]],
                        AXIS["geodetic longitude (Lon)",east,
                            ORDER[2],
                            ANGLEUNIT["degree",0.0174532925199433]],
                    ID["EPSG",4207]]],
            ABRIDGEDTRANSFORMATION["Lisbon (Lisbon) to Lisbon (1)",
                METHOD["Longitude rotation",
                    ID["EPSG",9601]],
                PARAMETER["Longitude offset",-32874.862,
                    ID["EPSG",8602]],
                ID["EPSG",1756]]]],
    TARGETCRS[
        GEOGCRS["WGS 84",
            ENSEMBLE["World Geodetic System 1984 ensemble",
                MEMBER["World Geodetic System 1984 (Transit)"],
                MEMBER["World Geodetic System 1984 (G730)"],
                MEMBER["World Geodetic System 1984 (G873)"],
                MEMBER["World Geodetic System 1984 (G1150)"],
                MEMBER["World Geodetic System 1984 (G1674)"],
                MEMBER["World Geodetic System 1984 (G1762)"],
                MEMBER["World Geodetic System 1984 (G2139)"],
                ELLIPSOID["WGS 84",6378137,298.257223563,
                    LENGTHUNIT["metre",1]],
                ENSEMBLEACCURACY[2.0]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]],
            CS[ellipsoidal,2],
                AXIS["geodetic latitude (Lat)",north,
                    ORDER[1],
                    ANGLEUNIT["degree",0.0174532925199433]],
                AXIS["geodetic longitude (Lon)",east,
                    ORDER[2],
                    ANGLEUNIT["degree",0.0174532925199433]],
            USAGE[
                SCOPE["Horizontal component of 3D system."],
                AREA["World."],
                BBOX[-90,-180,90,180]],
            ID["EPSG",4326]]],
    ABRIDGEDTRANSFORMATION["Lisbon to WGS 84 (4)",
        METHOD["Coordinate Frame rotation (geog2D domain)",
            ID["EPSG",9607]],
        PARAMETER["X-axis translation",-288.885,
            ID["EPSG",8605]],
        PARAMETER["Y-axis translation",-91.744,
            ID["EPSG",8606]],
        PARAMETER["Z-axis translation",126.244,
            ID["EPSG",8607]],
        PARAMETER["X-axis rotation",1.691,
            ID["EPSG",8608]],
        PARAMETER["Y-axis rotation",-0.41,
            ID["EPSG",8609]],
        PARAMETER["Z-axis rotation",0.211,
            ID["EPSG",8610]],
        PARAMETER["Scale difference",0.999995402,
            ID["EPSG",8611]],
        USAGE[
            SCOPE["Medium accuracy applications."],
            AREA["Portugal - mainland - onshore."],
            BBOX[36.95,-9.56,42.16,-6.19]],
        ID["EPSG",1988]]]

Definition: PROJ.4

+proj=tmerc +lat_0=39.6666666666667 +lon_0=1 +k=1 +x_0=200000 +y_0=300000 +ellps=intl +pm=lisbon +towgs84=-288.885,-91.744,126.244,-1.691,0.41,-0.211,-4.598 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:20790","+proj=tmerc +lat_0=39.6666666666667 +lon_0=1 +k=1 +x_0=200000 +y_0=300000 +ellps=intl +pm=lisbon +towgs84=-288.885,-91.744,126.244,-1.691,0.41,-0.211,-4.598 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "BoundCRS",
        "source_crs": {
            "type": "ProjectedCRS",
            "name": "Lisbon (Lisbon) / Portuguese National Grid",
            "base_crs": {
                "name": "Lisbon (Lisbon)",
                "datum": {
                    "type": "GeodeticReferenceFrame",
                    "name": "Lisbon 1937 (Lisbon)",
                    "ellipsoid": {
                        "name": "International 1924",
                        "semi_major_axis": 6378388,
                        "inverse_flattening": 297
                    },
                    "prime_meridian": {
                        "name": "Lisbon",
                        "longitude": -9.13190611111111
                    }
                },
                "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": 4803
                }
            },
            "conversion": {
                "name": "Portuguese National Grid",
                "method": {
                    "name": "Transverse Mercator",
                    "id": {
                        "authority": "EPSG",
                        "code": 9807
                    }
                },
                "parameters": [
                    {
                        "name": "Latitude of natural origin",
                        "value": 39.6666666666667,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8801
                        }
                    },
                    {
                        "name": "Longitude of natural origin",
                        "value": 1,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8802
                        }
                    },
                    {
                        "name": "Scale factor at natural origin",
                        "value": 1,
                        "unit": "unity",
                        "id": {
                            "authority": "EPSG",
                            "code": 8805
                        }
                    },
                    {
                        "name": "False easting",
                        "value": 200000,
                        "unit": "metre",
                        "id": {
                            "authority": "EPSG",
                            "code": 8806
                        }
                    },
                    {
                        "name": "False northing",
                        "value": 300000,
                        "unit": "metre",
                        "id": {
                            "authority": "EPSG",
                            "code": 8807
                        }
                    }
                ]
            },
            "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                    {
                        "name": "Easting",
                        "abbreviation": "X",
                        "direction": "east",
                        "unit": "metre"
                    },
                    {
                        "name": "Northing",
                        "abbreviation": "Y",
                        "direction": "north",
                        "unit": "metre"
                    }
                ]
            },
            "id": {
                "authority": "EPSG",
                "code": 20790
            }
        },
        "target_crs": {
            "type": "GeographicCRS",
            "name": "Lisbon",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "Lisbon 1937",
                "ellipsoid": {
                    "name": "International 1924",
                    "semi_major_axis": 6378388,
                    "inverse_flattening": 297
                }
            },
            "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": 4207
            }
        },
        "transformation": {
            "name": "Lisbon (Lisbon) to Lisbon (1)",
            "method": {
                "name": "Longitude rotation",
                "id": {
                    "authority": "EPSG",
                    "code": 9601
                }
            },
            "parameters": [
                {
                    "name": "Longitude offset",
                    "value": -9.13190611111111,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8602
                    }
                }
            ],
            "id": {
                "authority": "EPSG",
                "code": 1756
            }
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "WGS 84",
        "datum_ensemble": {
            "name": "World Geodetic System 1984 ensemble",
            "members": [
                {
                    "name": "World Geodetic System 1984 (Transit)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1166
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G730)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1152
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G873)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1153
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1150)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1154
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1674)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1155
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1762)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1156
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G2139)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1309
                    }
                }
            ],
            "ellipsoid": {
                "name": "WGS 84",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257223563
            },
            "accuracy": "2.0",
            "id": {
                "authority": "EPSG",
                "code": 6326
            }
        },
        "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": 4326
        }
    },
    "transformation": {
        "name": "Lisbon to WGS 84 (4)",
        "method": {
            "name": "Coordinate Frame rotation (geog2D domain)",
            "id": {
                "authority": "EPSG",
                "code": 9607
            }
        },
        "parameters": [
            {
                "name": "X-axis translation",
                "value": -288.885,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8605
                }
            },
            {
                "name": "Y-axis translation",
                "value": -91.744,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8606
                }
            },
            {
                "name": "Z-axis translation",
                "value": 126.244,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8607
                }
            },
            {
                "name": "X-axis rotation",
                "value": 1.691,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8608
                }
            },
            {
                "name": "Y-axis rotation",
                "value": -0.41,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8609
                }
            },
            {
                "name": "Z-axis rotation",
                "value": 0.211,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8610
                }
            },
            {
                "name": "Scale difference",
                "value": -4.598,
                "unit": {
                    "type": "ScaleUnit",
                    "name": "parts per million",
                    "conversion_factor": 1e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8611
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 1988
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=39.6666666666667"
	"lon_0=1"
	"k=1"
	"x_0=200000"
	"y_0=300000"
	"ellps=intl"
	"pm=lisbon"
	"towgs84=-288.885,-91.744,126.244,-1.691,0.41,-0.211,-4.598"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=39.6666666666667 +lon_0=1 +k=1 +x_0=200000 +y_0=300000 +ellps=intl +pm=lisbon +towgs84=-288.885,-91.744,126.244,-1.691,0.41,-0.211,-4.598 +units=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=39.6666666666667 +lon_0=1 +k=1 +x_0=200000 +y_0=300000 +ellps=intl +pm=lisbon +towgs84=-288.885,-91.744,126.244,-1.691,0.41,-0.211,-4.598 +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 20790, 'EPSG', 20790, '+proj=tmerc +lat_0=39.6666666666667 +lon_0=1 +k=1 +x_0=200000 +y_0=300000 +ellps=intl +pm=lisbon +towgs84=-288.885,-91.744,126.244,-1.691,0.41,-0.211,-4.598 +units=m +no_defs +type=crs', 'None');