EPSG
IBGE resolution 22 of 21st July 1983.
2013-03-23
Topographic mapping (medium and small scale).
Derived by Brazilian Institute of Geography and Statistics (IBGE) in 1983 at Chua origin point.
Geocentric translations (geog2D domain)
(0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["Corrego Alegre 1970-72 to SAD69 (1)", VERSION["IGBE-Bra"], SOURCECRS[ 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]], ID["EPSG",4225]]], TARGETCRS[ GEOGCRS["SAD69", DATUM["South American Datum 1969", ELLIPSOID["GRS 1967 Modified",6378160,298.25, 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]], ID["EPSG",4618]]], METHOD["Geocentric translations (geog2D domain)", ID["EPSG",9603]], PARAMETER["X-axis translation",-138.7, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",164.4, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",34.4, LENGTHUNIT["metre",1], ID["EPSG",8607]], OPERATIONACCURACY[5.0], USAGE[ SCOPE["Topographic mapping (medium and small scale)."], 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",6191], REMARK["Derived by Brazilian Institute of Geography and Statistics (IBGE) in 1983 at Chua origin point."]]
Definition: PROJ.4
+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=intl +step +proj=helmert +x=-138.7 +y=164.4 +z=34.4 +step +inv +proj=cart +ellps=aust_SA +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:6191","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=intl +step +proj=helmert +x=-138.7 +y=164.4 +z=34.4 +step +inv +proj=cart +ellps=aust_SA +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1");
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "Corrego Alegre 1970-72 to SAD69 (1)", "source_crs": { "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" } ] }, "id": { "authority": "EPSG", "code": 4225 } }, "target_crs": { "type": "GeographicCRS", "name": "SAD69", "datum": { "type": "GeodeticReferenceFrame", "name": "South American Datum 1969", "ellipsoid": { "name": "GRS 1967 Modified", "semi_major_axis": 6378160, "inverse_flattening": 298.25 } }, "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": 4618 } }, "method": { "name": "Geocentric translations (geog2D domain)", "id": { "authority": "EPSG", "code": 9603 } }, "parameters": [ { "name": "X-axis translation", "value": -138.7, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 164.4, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": 34.4, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } } ], "accuracy": "5.0", "scope": "Topographic mapping (medium and small scale).", "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": 6191 }, "remarks": "Derived by Brazilian Institute of Geography and Statistics (IBGE) in 1983 at Chua origin point." }
Definition: MapServer - MAPfile
PROJECTION "proj=pipeline" "step" "proj=axisswap" "order=2,1" "step" "proj=unitconvert" "xy_in=deg" "xy_out=rad" "step" "proj=push" "v_3" "step" "proj=cart" "ellps=intl" "step" "proj=helmert" "x=-138.7" "y=164.4" "z=34.4" "step" "inv" "proj=cart" "ellps=aust_SA" "step" "proj=pop" "v_3" "step" "proj=unitconvert" "xy_in=rad" "xy_out=deg" "step" "proj=axisswap" "order=2,1" END
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=intl +step +proj=helmert +x=-138.7 +y=164.4 +z=34.4 +step +inv +proj=cart +ellps=aust_SA +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1"> <Layer srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=intl +step +proj=helmert +x=-138.7 +y=164.4 +z=34.4 +step +inv +proj=cart +ellps=aust_SA +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 6191, 'EPSG', 6191, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=push +v_3 +step +proj=cart +ellps=intl +step +proj=helmert +x=-138.7 +y=164.4 +z=34.4 +step +inv +proj=cart +ellps=aust_SA +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');