Geocentric translations (geog2D domain)
Derived in 1987 at 7 stations. Accuracy 6m, 5m and 6m in X, Y and Z axes.
U.S. Defense Mapping Agency TR8350.2 September 1987.
2020-03-14
degree (supplier to define representation)
EPSG
IGAC special publication no. 1, "Geodesia" 4th edition, 1975.
2010-03-30
Geodesy.
Replaces earlier 3 adjustments of 1951, 1944 and 1941. Replaced by MAGNA-SIRGAS (CRS code 4685).
Colombia - mainland and offshore Caribbean.
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Definition: OGC Well Known Text
GEOGCS["Bogota 1975", DATUM["Bogota_1975", SPHEROID["International 1924",6378388,297], TOWGS84[307,304,-318,0,0,0,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4218"]]
Definition: OGC Well Known Text 2 (2019)
GEOGCRS["Bogota 1975", DATUM["Bogota 1975", 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]], USAGE[ SCOPE["Geodesy."], AREA["Colombia - mainland and offshore Caribbean."], BBOX[-4.23,-79.1,13.68,-66.87]], ID["EPSG",4218]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeographicCRS", "name": "Bogota 1975", "datum": { "type": "GeodeticReferenceFrame", "name": "Bogota 1975", "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" } ] }, "scope": "Geodesy.", "area": "Colombia - mainland and offshore Caribbean.", "bbox": { "south_latitude": -4.23, "west_longitude": -79.1, "north_latitude": 13.68, "east_longitude": -66.87 }, "id": { "authority": "EPSG", "code": 4218 } }
Definition: GeoServer
4218=GEOGCS["Bogota 1975",DATUM["Bogota_1975",SPHEROID["International 1924",6378388,297],TOWGS84[307,304,-318,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4218"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=intl +towgs84=307,304,-318,0,0,0,0 +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=intl +towgs84=307,304,-318,0,0,0,0 +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4218, 'EPSG', 4218, '+proj=longlat +ellps=intl +towgs84=307,304,-318,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Bogota 1975",DATUM["Bogota_1975",SPHEROID["International 1924",6378388,297],TOWGS84[307,304,-318,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4218"]]');