degree (supplier to define representation)
Everest 1830 (1937 Adjustment)
EPSG
G. Bomford; "The Re-adjustment of the Indian Triangulation"; Survey of India Professional Paper 28; 1939.
2004-01-06
Geodesy.
Adopts 1937 metric conversion of 0.30479841 metres per Indian foot.
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Definition: OGC Well Known Text
GEOGCS["Kalianpur 1937", DATUM["Kalianpur_1937", SPHEROID["Everest 1830 (1937 Adjustment)",6377276.345,300.8017], TOWGS84[214,804,268,0,0,0,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4144"]]
Definition: OGC Well Known Text 2 (2019)
GEOGCRS["Kalianpur 1937", DATUM["Kalianpur 1937", ELLIPSOID["Everest 1830 (1937 Adjustment)",6377276.345,300.8017, 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]], USAGE[ SCOPE["Geodesy."], AREA["Bangladesh - onshore; India - mainland onshore; Myanmar - onshore and Moattama area offshore; Pakistan - onshore."], BBOX[8.02,60.86,37.07,101.17]], ID["EPSG",4144]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeographicCRS", "name": "Kalianpur 1937", "datum": { "type": "GeodeticReferenceFrame", "name": "Kalianpur 1937", "ellipsoid": { "name": "Everest 1830 (1937 Adjustment)", "semi_major_axis": 6377276.345, "inverse_flattening": 300.8017 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "scope": "Geodesy.", "area": "Bangladesh - onshore; India - mainland onshore; Myanmar - onshore and Moattama area offshore; Pakistan - onshore.", "bbox": { "south_latitude": 8.02, "west_longitude": 60.86, "north_latitude": 37.07, "east_longitude": 101.17 }, "id": { "authority": "EPSG", "code": 4144 } }
Definition: GeoServer
4144=GEOGCS["Kalianpur 1937",DATUM["Kalianpur_1937",SPHEROID["Everest 1830 (1937 Adjustment)",6377276.345,300.8017],TOWGS84[214,804,268,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4144"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=evrst30 +towgs84=214,804,268,0,0,0,0 +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=evrst30 +towgs84=214,804,268,0,0,0,0 +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4144, 'EPSG', 4144, '+proj=longlat +ellps=evrst30 +towgs84=214,804,268,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Kalianpur 1937",DATUM["Kalianpur_1937",SPHEROID["Everest 1830 (1937 Adjustment)",6377276.345,300.8017],TOWGS84[214,804,268,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4144"]]');