Name: Corrego Alegre 1970-72 to WGS 84 (2)
Method: NTv2
Grid Files: CA7072_003.gsb
Remarks: Parameters from Corrego Alegre 1970-72 to SIRGAS 2000 (1) (tfm code 5526) 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 1970-72
Datum: Corrego Alegre 1970-72
Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: EPSG
Information source: IBGE.
Revision date: 2011-07-27
Scope: Geodesy.
Remarks: Replaces 1961 adjustment (CRS code 5524). Replaced by SAD69 (CRS code 4291).
Area of use: Brazil - onshore - west of 54°W and south of 18°S; also south of 15°S between 54°W and 42°W; also east of 42°W.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Center coordinates
-46.45 -18.23
WGS84 bounds:
-58.16 -33.78
-34.74 -2.68
Definition: OGC Well Known Text
GEOGCS["Corrego Alegre 1970-72", DATUM["Corrego_Alegre_1970-72", SPHEROID["International 1924",6378388,297], EXTENSION["PROJ4_GRIDS","br_ibge_CA7072_003.tif"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4225"]]
Definition: OGC Well Known Text 2 (2019)
GEOGCRS["Corrego Alegre 1970-72", DATUM["Corrego Alegre 1970-72", 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 - west of 54°W and south of 18°S; also south of 15°S between 54°W and 42°W; also east of 42°W."], BBOX[-33.78,-58.16,-2.68,-34.74]], ID["EPSG",4225]]
Definition: ESRI Well Known Text
GEOGCS["GCS_Corrego_Alegre", DATUM["D_Corrego_Alegre", SPHEROID["International_1924",6378388.0,297.0], EXTENSION["PROJ4_GRIDS","br_ibge_CA7072_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 1970-72", "datum": { "type": "GeodeticReferenceFrame", "name": "Corrego Alegre 1970-72", "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 - west of 54°W and south of 18°S; also south of 15°S between 54°W and 42°W; also east of 42°W.", "bbox": { "south_latitude": -33.78, "west_longitude": -58.16, "north_latitude": -2.68, "east_longitude": -34.74 }, "id": { "authority": "EPSG", "code": 4225 } }
Definition: GeoServer
4225=GEOGCS["Corrego Alegre 1970-72",DATUM["Corrego_Alegre_1970-72",SPHEROID["International 1924",6378388,297],EXTENSION["PROJ4_GRIDS","br_ibge_CA7072_003.tif"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4225"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=intl +nadgrids=br_ibge_CA7072_003.tif +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=intl +nadgrids=br_ibge_CA7072_003.tif +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4225, 'EPSG', 4225, '+proj=longlat +ellps=intl +nadgrids=br_ibge_CA7072_003.tif +no_defs +type=crs', 'GEOGCS["Corrego Alegre 1970-72",DATUM["Corrego_Alegre_1970-72",SPHEROID["International 1924",6378388,297],EXTENSION["PROJ4_GRIDS","br_ibge_CA7072_003.tif"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4225"]]');