Engineering survey, topographic mapping.
Also known as Qatar Plane Coordinate or QPC system. Replaced by Qatar National Grid (code 28600).
Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: m.
Definition: OGC Well Known Text
PROJCS["Qatar 1948 / Qatar Grid", GEOGCS["Qatar 1948", DATUM["Qatar_1948", SPHEROID["Helmert 1906",6378200,298.3, AUTHORITY["EPSG","7020"]], AUTHORITY["EPSG","6286"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4286"]], PROJECTION["Cassini_Soldner"], PARAMETER["latitude_of_origin",25.3823611111111], PARAMETER["central_meridian",50.7613888888889], PARAMETER["false_easting",100000], PARAMETER["false_northing",100000], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","2099"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["Qatar 1948 / Qatar Grid", BASEGEOGCRS["Qatar 1948", DATUM["Qatar 1948", ELLIPSOID["Helmert 1906",6378200,298.3, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4286]], CONVERSION["Qatar Grid", METHOD["Cassini-Soldner", ID["EPSG",9806]], PARAMETER["Latitude of natural origin",25.3823611111111, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",50.7613888888889, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["False easting",100000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",100000, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["Qatar - onshore."], BBOX[24.55,50.69,26.2,51.68]], ID["EPSG",2099]]
Definition: ESRI Well Known Text
PROJCS["Qatar_1948_Qatar_Grid", GEOGCS["GCS_Qatar_1948", DATUM["D_Qatar_1948", SPHEROID["Helmert_1906",6378200.0,298.3]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Cassini"], PARAMETER["False_Easting",100000.0], PARAMETER["False_Northing",100000.0], PARAMETER["Central_Meridian",50.7613888888889], PARAMETER["Scale_Factor",1.0], PARAMETER["Latitude_Of_Origin",25.3823611111111], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "Qatar 1948 / Qatar Grid", "base_crs": { "name": "Qatar 1948", "datum": { "type": "GeodeticReferenceFrame", "name": "Qatar 1948", "ellipsoid": { "name": "Helmert 1906", "semi_major_axis": 6378200, "inverse_flattening": 298.3 } }, "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": 4286 } }, "conversion": { "name": "Qatar Grid", "method": { "name": "Cassini-Soldner", "id": { "authority": "EPSG", "code": 9806 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 25.3823611111111, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 50.7613888888889, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "False easting", "value": 100000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 100000, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": "metre" } ] }, "scope": "Engineering survey, topographic mapping.", "area": "Qatar - onshore.", "bbox": { "south_latitude": 24.55, "west_longitude": 50.69, "north_latitude": 26.2, "east_longitude": 51.68 }, "id": { "authority": "EPSG", "code": 2099 } }
Definition: GeoServer
2099=PROJCS["Qatar 1948 / Qatar Grid",GEOGCS["Qatar 1948",DATUM["Qatar_1948",SPHEROID["Helmert 1906",6378200,298.3,AUTHORITY["EPSG","7020"]],AUTHORITY["EPSG","6286"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4286"]],PROJECTION["Cassini_Soldner"],PARAMETER["latitude_of_origin",25.3823611111111],PARAMETER["central_meridian",50.7613888888889],PARAMETER["false_easting",100000],PARAMETER["false_northing",100000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2099"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=cass +lat_0=25.3823611111111 +lon_0=50.7613888888889 +x_0=100000 +y_0=100000 +ellps=helmert +units=m +no_defs +type=crs"> <Layer srs="+proj=cass +lat_0=25.3823611111111 +lon_0=50.7613888888889 +x_0=100000 +y_0=100000 +ellps=helmert +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 2099, 'EPSG', 2099, '+proj=cass +lat_0=25.3823611111111 +lon_0=50.7613888888889 +x_0=100000 +y_0=100000 +ellps=helmert +units=m +no_defs +type=crs', 'PROJCS["Qatar 1948 / Qatar Grid",GEOGCS["Qatar 1948",DATUM["Qatar_1948",SPHEROID["Helmert 1906",6378200,298.3,AUTHORITY["EPSG","7020"]],AUTHORITY["EPSG","6286"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4286"]],PROJECTION["Cassini_Soldner"],PARAMETER["latitude_of_origin",25.3823611111111],PARAMETER["central_meridian",50.7613888888889],PARAMETER["false_easting",100000],PARAMETER["false_northing",100000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2099"]]');