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Method: NTv2
Grid Files: CA61_003.gsb
Remarks: May be used as transformation between Corrego Alegre 1961 and WGS 84 - see tfm code 5540.
Information source: IBGE.
Revision date: 2011-07-23
Unit: metre
Geodetic CRS: Corrego Alegre 1961
Datum: Corrego Alegre 1961
Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: EPSG
Information source: OGP
Revision date: 2011-07-14
Scope: Engineering survey, topographic mapping.
Remarks: Replaced by Corrego Alegre 1970-72 / UTM zone 24S (CRS code 22524).
Area of use: Brazil - between 42°W and 36°W and south of 15°S, onshore.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: m.
&stroke=red&width=2&path=-27.5,-58.16|-14.99,-58.16|-14.99,-38.82|-27.5,-38.82|-27.5,-58.16)
Center coordinates
-488017.54 7620905.28
Projected bounds:
-1594154.97 6806806.84
519349.91 8342780.2
WGS84 bounds:
-58.16 -27.5
-38.82 -14.99
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["Corrego Alegre 1961 / UTM zone 24S", BASEGEOGCRS["Corrego Alegre 1961", DATUM["Corrego Alegre 1961", ELLIPSOID["International 1924",6378388,297, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",5524]], CONVERSION["UTM zone 24S", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-39, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.9996, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",500000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",10000000, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["Brazil - between 42°W and 36°W and south of 15°S, onshore."], BBOX[-22.96,-42,-14.99,-38.82]], ID["EPSG",5539]]], TARGETCRS[ GEOGCRS["SIRGAS 2000", DATUM["Sistema de Referencia Geocentrico para las AmericaS 2000", ELLIPSOID["GRS 1980",6378137,298.257222101, 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["Horizontal component of 3D system."], AREA["Latin America - Central America and South America - onshore and offshore. Brazil - onshore and offshore."], BBOX[-59.87,-122.19,32.72,-25.28]], ID["EPSG",4674]]], ABRIDGEDTRANSFORMATION["Corrego Alegre 1961 to SIRGAS 2000 (1)", METHOD["NTv2", ID["EPSG",9615]], PARAMETERFILE["Latitude and longitude difference file","CA61_003.gsb"], USAGE[ SCOPE["Transformation of coordinates at 2m level of accuracy."], 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",5525], REMARK["May be used as transformation between Corrego Alegre 1961 and WGS 84 - see tfm code 5540."]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "Corrego Alegre 1961 / UTM zone 24S", "base_crs": { "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" } ] }, "id": { "authority": "EPSG", "code": 5524 } }, "conversion": { "name": "UTM zone 24S", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -39, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 10000000, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5539 } }, "target_crs": { "type": "GeographicCRS", "name": "SIRGAS 2000", "datum": { "type": "GeodeticReferenceFrame", "name": "Sistema de Referencia Geocentrico para las AmericaS 2000", "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" } ] }, "id": { "authority": "EPSG", "code": 4674 } }, "transformation": { "name": "Corrego Alegre 1961 to SIRGAS 2000 (1)", "method": { "name": "NTv2", "id": { "authority": "EPSG", "code": 9615 } }, "parameters": [ { "name": "Latitude and longitude difference file", "value": "CA61_003.gsb", "id": { "authority": "EPSG", "code": 8656 } } ], "id": { "authority": "EPSG", "code": 5525 } } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=utm +zone=24 +south +ellps=intl +units=m +no_defs +type=crs"> <Layer srs="+proj=utm +zone=24 +south +ellps=intl +units=m +no_defs +type=crs"> </Layer> </Map>
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