degree (supplier to define representation)
SIRGAS-Chile realization 5 epoch 2021
EPSG
Instituto Geografico Militar (IGM), https://www.sirgaschile.cl
2022-07-29
Geodesy.
Densification of SIRGAS-CON within Chile at epoch 2021.00. Replaces SIRGAS-Chile 2016 (CRS code 9152) due to significant tectonic deformation.
-89.47 -38.69
-113.21 -59.87
-65.72 -17.5
-113.21 -59.87
-65.72 -17.5
Definition: OGC Well Known Text 2 (2019)
GEOGCRS["SIRGAS-Chile 2021", DATUM["SIRGAS-Chile realization 5 epoch 2021", 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["Chile - onshore and offshore. Includes Easter Island, Juan Fernandez Islands, San Felix, and Sala y Gomez."], BBOX[-59.87,-113.21,-17.5,-65.72]], ID["EPSG",20040]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeographicCRS", "name": "SIRGAS-Chile 2021", "datum": { "type": "GeodeticReferenceFrame", "name": "SIRGAS-Chile realization 5 epoch 2021", "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": "Chile - onshore and offshore. Includes Easter Island, Juan Fernandez Islands, San Felix, and Sala y Gomez.", "bbox": { "south_latitude": -59.87, "west_longitude": -113.21, "north_latitude": -17.5, "east_longitude": -65.72 }, "id": { "authority": "EPSG", "code": 20040 } }
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>