EPSG:4904

Lisbon 1890 (Lisbon)

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

Selected transformation

Remarks:

Information source: OGP

Revision date: 2020-03-14

Steps of transformation: 1991 1986

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: Lisbon 1890 (Lisbon)

Datum: Lisbon 1890 (Lisbon)

Ellipsoid: Bessel 1841

Prime meridian: Lisbon

Data source: EPSG

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

Revision date: 2004-01-06

Steps of transformation: 1991 1986

Scope: Geodesy.

Remarks: Replaced by Lisbon 1937 system which uses International 1924 ellipsoid (code 4803).

Area of use: Portugal - mainland - onshore.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree

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Center coordinates
1.26 39.55

WGS84 bounds:
-9.56 36.95
-6.19 42.16

Portugal - mainland - onshore.
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Definition: PROJ.4

+proj=longlat +ellps=bessel +pm=lisbon +towgs84=508.088,-191.042,565.223,0,0,0,0 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4904","+proj=longlat +ellps=bessel +pm=lisbon +towgs84=508.088,-191.042,565.223,0,0,0,0 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "GeographicCRS",
        "name": "Lisbon 1890 (Lisbon)",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Lisbon 1890 (Lisbon)",
            "ellipsoid": {
                "name": "Bessel 1841",
                "semi_major_axis": 6377397.155,
                "inverse_flattening": 299.1528128
            },
            "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": 4904
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "Lisbon 1890",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Lisbon 1890",
            "ellipsoid": {
                "name": "Bessel 1841",
                "semi_major_axis": 6377397.155,
                "inverse_flattening": 299.1528128
            }
        },
        "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": 4666
        }
    },
    "transformation": {
        "name": "Lisbon 1890 (Lisbon) to Lisbon 1890 (1)",
        "method": {
            "name": "Longitude rotation",
            "id": {
                "authority": "EPSG",
                "code": 9601
            }
        },
        "parameters": [
            {
                "name": "Longitude offset",
                "value": -32874.862,
                "unit": {
                    "type": "Unit",
                    "name": "",
                    "conversion_factor": 1
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8602
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 1991
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=bessel"
	"pm=lisbon"
	"towgs84=508.088,-191.042,565.223,0,0,0,0"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=bessel +pm=lisbon +towgs84=508.088,-191.042,565.223,0,0,0,0 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=bessel +pm=lisbon +towgs84=508.088,-191.042,565.223,0,0,0,0 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4904, 'EPSG', 4904, '+proj=longlat +ellps=bessel +pm=lisbon +towgs84=508.088,-191.042,565.223,0,0,0,0 +no_defs +type=crs', 'None');

Definition: OGC WKT 2 (2019)

BOUNDCRS[SOURCECRS[GEOGCRS["Lisbon 1890 (Lisbon)",DATUM["Lisbon 1890 (Lisbon)",ELLIPSOID["Bessel 1841",6377397.155,299.1528128,LENGTHUNIT["metre",1]]],PRIMEM["Lisbon",-9.13190611111111,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",4904]]],TARGETCRS[GEOGCRS["Lisbon 1890",DATUM["Lisbon 1890",ELLIPSOID["Bessel 1841",6377397.155,299.1528128,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",4666]]],ABRIDGEDTRANSFORMATION["Lisbon 1890 (Lisbon) to Lisbon 1890 (1)",METHOD["Longitude rotation",ID["EPSG",9601]],PARAMETER["Longitude offset",-32874.862,ID["EPSG",8602]],ID["EPSG",1991]]]