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
Scope: Military survey.
Area of use: Portugal - mainland - onshore.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.
Center coordinates
222183.05 287456.82
Projected bounds:
72899.47 -784.79
360590.9 578544.38
WGS84 bounds:
-9.56 36.95
-6.19 42.16
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json", "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": -32874.862, "unit": { "type": "Unit", "name": "", "conversion_factor": 1 }, "id": { "authority": "EPSG", "code": 8602 } } ], "id": { "authority": "EPSG", "code": 1756 } } }
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,-4.5979999999668 +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,-4.5979999999668 +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,-4.5979999999668 +units=m +no_defs +type=crs', 'None');
Definition: OGC WKT 2 (2019)
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]]]