metre
Marco Geocentrico Nacional de Referencia
EPSG
Instituto Geografico Agustin Codazzi (IGAC) publication "Aspectos prácticos de la adopción del Marco Geocéntrico Nacional de Referencia MAGNA-SIRGAS como datum oficial de Colombia". http://www.igac.gov.co/
2023-02-02
Geodesy.
For high accuracy purposes replaced by MAGNA-SIRGAS 2018 (code 20044).
1554932.18 -6154064.4
560354.79 -6351520.43
2505426.45 -5653192.78
-84.77 -4.23
-66.87 15.51
Definition: OGC Well Known Text
GEOCCS["MAGNA-SIRGAS", DATUM["Marco_Geocentrico_Nacional_de_Referencia", SPHEROID["GRS 1980",6378137,298.257222101, AUTHORITY["EPSG","7019"]], AUTHORITY["EPSG","6686"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Geocentric X",OTHER], AXIS["Geocentric Y",OTHER], AXIS["Geocentric Z",NORTH], AUTHORITY["EPSG","4996"]]
Definition: OGC Well Known Text 2 (2019)
GEODCRS["MAGNA-SIRGAS", DATUM["Marco Geocentrico Nacional de Referencia", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[Cartesian,3], AXIS["(X)",geocentricX, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(Y)",geocentricY, ORDER[2], LENGTHUNIT["metre",1]], AXIS["(Z)",geocentricZ, ORDER[3], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy."], AREA["Colombia - onshore and offshore. Includes San Andres y Providencia, Malpelo Islands, Roncador Bank, Serrana Bank and Serranilla Bank."], BBOX[-4.23,-84.77,15.51,-66.87]], ID["EPSG",4996]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeodeticCRS", "name": "MAGNA-SIRGAS", "datum": { "type": "GeodeticReferenceFrame", "name": "Marco Geocentrico Nacional de Referencia", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Geocentric X", "abbreviation": "X", "direction": "geocentricX", "unit": "metre" }, { "name": "Geocentric Y", "abbreviation": "Y", "direction": "geocentricY", "unit": "metre" }, { "name": "Geocentric Z", "abbreviation": "Z", "direction": "geocentricZ", "unit": "metre" } ] }, "scope": "Geodesy.", "area": "Colombia - onshore and offshore. Includes San Andres y Providencia, Malpelo Islands, Roncador Bank, Serrana Bank and Serranilla Bank.", "bbox": { "south_latitude": -4.23, "west_longitude": -84.77, "north_latitude": 15.51, "east_longitude": -66.87 }, "id": { "authority": "EPSG", "code": 4996 } }
Definition: GeoServer
4996=GEOCCS["MAGNA-SIRGAS",DATUM["Marco_Geocentrico_Nacional_de_Referencia",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6686"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Geocentric X",OTHER],AXIS["Geocentric Y",OTHER],AXIS["Geocentric Z",NORTH],AUTHORITY["EPSG","4996"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=geocent +ellps=GRS80 +units=m +no_defs +type=crs"> <Layer srs="+proj=geocent +ellps=GRS80 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4996, 'EPSG', 4996, '+proj=geocent +ellps=GRS80 +units=m +no_defs +type=crs', 'GEOCCS["MAGNA-SIRGAS",DATUM["Marco_Geocentrico_Nacional_de_Referencia",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6686"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Geocentric X",OTHER],AXIS["Geocentric Y",OTHER],AXIS["Geocentric Z",NORTH],AUTHORITY["EPSG","4996"]]');