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Method: NTv2
Grid Files: SAD69_003.gsb
Remarks: Parameters values taken from SAD69 to SIRGAS 2000 (2) (tfm code 5528) assuming that SIRGAS 2000 and WGS 84 are equal within the accuracy of the transformation.
Information source: OGP
Revision date: 2023-01-17
Unit: degree (supplier to define representation)
Geodetic CRS: SAD69
Datum: South American Datum 1969
Ellipsoid: GRS 1967 Modified
Prime meridian: Greenwich
Data source: EPSG
Revision date: 2011-07-27
Scope: Geodesy.
Remarks: Uses GRS 1967 ellipsoid with 1/f to exactly 2 decimal places. In Brazil only, replaced by SAD69(96) (CRS code 5527).
Area of use: Brazil - onshore and offshore. In rest of South America - onshore north of approximately 45°S and Tierra del Fuego.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
&stroke=red&width=2&path=-33.78,-60.58|4.43,-60.58|4.43,-34.74|-33.78,-34.74|-33.78,-60.58)
Center coordinates
-47.66 -14.67
WGS84 bounds:
-60.58 -33.78
-34.74 4.43
Definition: OGC Well Known Text
GEOGCS["SAD69", DATUM["South_American_Datum_1969", SPHEROID["GRS 1967 Modified",6378160,298.25], EXTENSION["PROJ4_GRIDS","SAD69_003.gsb"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4618"]]
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ 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]], USAGE[ SCOPE["Geodesy."], AREA["Brazil - onshore and offshore. In rest of South America - onshore north of approximately 45°S and Tierra del Fuego."], BBOX[-55.96,-91.72,12.52,-25.28]], ID["EPSG",4618]]], TARGETCRS[ GEOGCRS["WGS 84", ENSEMBLE["World Geodetic System 1984 ensemble", MEMBER["World Geodetic System 1984 (Transit)"], MEMBER["World Geodetic System 1984 (G730)"], MEMBER["World Geodetic System 1984 (G873)"], MEMBER["World Geodetic System 1984 (G1150)"], MEMBER["World Geodetic System 1984 (G1674)"], MEMBER["World Geodetic System 1984 (G1762)"], MEMBER["World Geodetic System 1984 (G2139)"], ELLIPSOID["WGS 84",6378137,298.257223563, LENGTHUNIT["metre",1]], ENSEMBLEACCURACY[2.0]], 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["World."], BBOX[-90,-180,90,180]], ID["EPSG",4326]]], ABRIDGEDTRANSFORMATION["SAD69 to WGS 84 (15)", METHOD["NTv2", ID["EPSG",9615]], PARAMETERFILE["Latitude and longitude difference file","SAD69_003.gsb"], USAGE[ SCOPE["(null/copy) Approximation for medium and low accuracy applications assuming equality between plate-fixed static and earth-fixed dynamic CRSs, ignoring static/dynamic CRS differences."], AREA["Brazil - onshore southeast of a line beginning at the intersection of the 53°W meridian with the northern national boundary then running southwards to 14°S, then westwards to the national boundary."], BBOX[-33.78,-60.58,4.43,-34.74]], ID["EPSG",5542], REMARK["Parameters values taken from SAD69 to SIRGAS 2000 (2) (tfm code 5528) assuming that SIRGAS 2000 and WGS 84 are equal within the accuracy of the transformation."]]]
Definition: ESRI Well Known Text
GEOGCS["GCS_South_American_1969", DATUM["D_South_American_1969", SPHEROID["GRS_1967_Truncated",6378160.0,298.25], EXTENSION["PROJ4_GRIDS","SAD69_003.gsb"]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_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 } }, "target_crs": { "type": "GeographicCRS", "name": "WGS 84", "datum_ensemble": { "name": "World Geodetic System 1984 ensemble", "members": [ { "name": "World Geodetic System 1984 (Transit)", "id": { "authority": "EPSG", "code": 1166 } }, { "name": "World Geodetic System 1984 (G730)", "id": { "authority": "EPSG", "code": 1152 } }, { "name": "World Geodetic System 1984 (G873)", "id": { "authority": "EPSG", "code": 1153 } }, { "name": "World Geodetic System 1984 (G1150)", "id": { "authority": "EPSG", "code": 1154 } }, { "name": "World Geodetic System 1984 (G1674)", "id": { "authority": "EPSG", "code": 1155 } }, { "name": "World Geodetic System 1984 (G1762)", "id": { "authority": "EPSG", "code": 1156 } }, { "name": "World Geodetic System 1984 (G2139)", "id": { "authority": "EPSG", "code": 1309 } } ], "ellipsoid": { "name": "WGS 84", "semi_major_axis": 6378137, "inverse_flattening": 298.257223563 }, "accuracy": "2.0", "id": { "authority": "EPSG", "code": 6326 } }, "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": 4326 } }, "transformation": { "name": "SAD69 to WGS 84 (15)", "method": { "name": "NTv2", "id": { "authority": "EPSG", "code": 9615 } }, "parameters": [ { "name": "Latitude and longitude difference file", "value": "SAD69_003.gsb", "id": { "authority": "EPSG", "code": 8656 } } ], "id": { "authority": "EPSG", "code": 5542 } } }
Definition: GeoServer
4618=GEOGCS["SAD69",DATUM["South_American_Datum_1969",SPHEROID["GRS 1967 Modified",6378160,298.25],EXTENSION["PROJ4_GRIDS","SAD69_003.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4618"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=aust_SA +nadgrids=SAD69_003.gsb +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=aust_SA +nadgrids=SAD69_003.gsb +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4618, 'EPSG', 4618, '+proj=longlat +ellps=aust_SA +nadgrids=SAD69_003.gsb +no_defs +type=crs', 'GEOGCS["SAD69",DATUM["South_American_Datum_1969",SPHEROID["GRS 1967 Modified",6378160,298.25],EXTENSION["PROJ4_GRIDS","SAD69_003.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4618"]]');
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