degree (supplier to define representation)
International Terrestrial Reference Frame 1993
EPSG
IOGP.
2019-05-17
Geodesy.
Replaces ITRF92 (code 7904). Replaced by ITRF94 (code 7906).
Definition: OGC Well Known Text 2 (2019)
GEOGCRS["ITRF93", DYNAMIC[ FRAMEEPOCH[1993]], DATUM["International Terrestrial Reference Frame 1993", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,3], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], AXIS["ellipsoidal height (h)",up, ORDER[3], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy."], AREA["World."], BBOX[-90,-180,90,180]], ID["EPSG",7905]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeographicCRS", "name": "ITRF93", "datum": { "type": "DynamicGeodeticReferenceFrame", "name": "International Terrestrial Reference Frame 1993", "frame_reference_epoch": 1993, "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" }, { "name": "Ellipsoidal height", "abbreviation": "h", "direction": "up", "unit": "metre" } ] }, "scope": "Geodesy.", "area": "World.", "bbox": { "south_latitude": -90, "west_longitude": -180, "north_latitude": 90, "east_longitude": 180 }, "id": { "authority": "EPSG", "code": 7905 } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=GRS80 +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=GRS80 +no_defs +type=crs"> </Layer> </Map>