degree (supplier to define representation)
Unknown datum based upon the Everest 1830 (1975 Definition) ellipsoid
Not specified (based on Everest 1830 (1975 Definition) ellipsoid)
Everest 1830 (1975 Definition)
EPSG
OGP
2004-01-06
Not recommended.
Use only in cases where geodetic datum is unknown.
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Definition: OGC Well Known Text
GEOGCS["Unknown datum based upon the Everest 1830 (1975 Definition) ellipsoid (deprecated)", DATUM["Not_specified_based_on_Everest_1830_1975_Definition_ellipsoid", SPHEROID["Everest 1830 (1975 Definition)",6377299.151,300.8017255, AUTHORITY["EPSG","7045"]], AUTHORITY["EPSG","6045"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4045"]]
Definition: OGC Well Known Text 2 (2019)
GEOGCRS["Unknown datum based upon the Everest 1830 (1975 Definition) ellipsoid", DATUM["Not specified (based on Everest 1830 (1975 Definition) ellipsoid)", ELLIPSOID["Everest 1830 (1975 Definition)",6377299.151,300.8017255, 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["Not recommended."], AREA["Not specified."], BBOX[-90,-180,90,180]], ID["EPSG",4045]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeographicCRS", "name": "Unknown datum based upon the Everest 1830 (1975 Definition) ellipsoid", "datum": { "type": "GeodeticReferenceFrame", "name": "Not specified (based on Everest 1830 (1975 Definition) ellipsoid)", "ellipsoid": { "name": "Everest 1830 (1975 Definition)", "semi_major_axis": 6377299.151, "inverse_flattening": 300.8017255 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "scope": "Not recommended.", "area": "Not specified.", "bbox": { "south_latitude": -90, "west_longitude": -180, "north_latitude": 90, "east_longitude": 180 }, "id": { "authority": "EPSG", "code": 4045 } }
Definition: GeoServer
4045=GEOGCS["Unknown datum based upon the Everest 1830 (1975 Definition) ellipsoid (deprecated)",DATUM["Not_specified_based_on_Everest_1830_1975_Definition_ellipsoid",SPHEROID["Everest 1830 (1975 Definition)",6377299.151,300.8017255,AUTHORITY["EPSG","7045"]],AUTHORITY["EPSG","6045"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4045"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +a=6377299.151 +rf=300.8017255 +no_defs +type=crs"> <Layer srs="+proj=longlat +a=6377299.151 +rf=300.8017255 +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4045, 'EPSG', 4045, '+proj=longlat +a=6377299.151 +rf=300.8017255 +no_defs +type=crs', 'GEOGCS["Unknown datum based upon the Everest 1830 (1975 Definition) ellipsoid (deprecated)",DATUM["Not_specified_based_on_Everest_1830_1975_Definition_ellipsoid",SPHEROID["Everest 1830 (1975 Definition)",6377299.151,300.8017255,AUTHORITY["EPSG","7045"]],AUTHORITY["EPSG","6045"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4045"]]');