Name: Corrego Alegre 1961 to WGS 84 (1)
Method: NTv2
Grid Files: CA61_003.gsb
Remarks: Parameters from Corrego Alegre 1961 to SIRGAS 2000 (1) (tfm code 5525) assuming that SIRGAS 2000 and WGS 84 are equal within the accuracy of the transformation.
Information source: OGP
Revision date: 2021-09-23
Unit: degree (supplier to define representation)
Geodetic CRS: Corrego Alegre 1961
Datum: Corrego Alegre 1961
Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: EPSG
Information source: IBGE.
Revision date: 2011-07-19
Scope: Geodesy.
Remarks: Replaced by Corrego Alegre 1970-72 (CRS code 4225).
Area of use: Brazil - onshore - between 18°S and 27°30'S, also east of 54°W between 15°S and 18°S.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Center coordinates
-48.49 -21.24
WGS84 bounds:
-58.16 -27.5
-38.82 -14.99
Definition: OGC Well Known Text
GEOGCS["Corrego Alegre 1961", DATUM["Corrego_Alegre_1961", SPHEROID["International 1924",6378388,297], EXTENSION["PROJ4_GRIDS","br_ibge_CA61_003.tif"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","5524"]]
Definition: OGC Well Known Text 2 (2019)
GEOGCRS["Corrego Alegre 1961", DATUM["Corrego Alegre 1961", 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["Brazil - onshore - between 18°S and 27°30'S, also east of 54°W between 15°S and 18°S."], BBOX[-27.5,-58.16,-14.99,-38.82]], ID["EPSG",5524]]
Definition: ESRI Well Known Text
GEOGCS["GCS_Corrego_Alegre_1961", DATUM["D_Corrego_Alegre_1961", SPHEROID["International_1924",6378388.0,297.0], EXTENSION["PROJ4_GRIDS","br_ibge_CA61_003.tif"]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeographicCRS", "name": "Corrego Alegre 1961", "datum": { "type": "GeodeticReferenceFrame", "name": "Corrego Alegre 1961", "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": "Brazil - onshore - between 18°S and 27°30'S, also east of 54°W between 15°S and 18°S.", "bbox": { "south_latitude": -27.5, "west_longitude": -58.16, "north_latitude": -14.99, "east_longitude": -38.82 }, "id": { "authority": "EPSG", "code": 5524 } }
Definition: GeoServer
5524=GEOGCS["Corrego Alegre 1961",DATUM["Corrego_Alegre_1961",SPHEROID["International 1924",6378388,297],EXTENSION["PROJ4_GRIDS","br_ibge_CA61_003.tif"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","5524"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=intl +nadgrids=br_ibge_CA61_003.tif +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=intl +nadgrids=br_ibge_CA61_003.tif +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 5524, 'EPSG', 5524, '+proj=longlat +ellps=intl +nadgrids=br_ibge_CA61_003.tif +no_defs +type=crs', 'GEOGCS["Corrego Alegre 1961",DATUM["Corrego_Alegre_1961",SPHEROID["International 1924",6378388,297],EXTENSION["PROJ4_GRIDS","br_ibge_CA61_003.tif"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","5524"]]');