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Method: Position Vector transformation (geog2D domain)
Remarks: Note: Because of the large rotation about the Y-axis this transformation is not reversible. Errors of up to 0.5m may occur. For the reverse transformation use RGR92 to Reunion 1947 [alias Piton des Neiges] (1) (code 1964).
Information source: IGN Paris.
Revision date: 2010-03-30
Unit: metre
Geodetic CRS: Reunion 1947
Datum: Reunion 1947
Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: EPSG
Information source: IGN Paris
Revision date: 2004-10-14
Scope: Engineering survey, topographic mapping.
Remarks: Supersedes Reunion 1947 / Gauss Laborde Reunion (alias Piton des Neiges / Gauss Laborde Reunion). Superseded by RGR92 / UTM zone 40S (CRS code 2975).
Area of use: Reunion - onshore.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.
&stroke=red&width=2&path=-21.42,55.16|-20.81,55.16|-20.81,55.91|-21.42,55.91|-21.42,55.16)
Center coordinates
50779.35 161560.4
Projected bounds:
11750.51 127730.75
89829.55 195330.8
WGS84 bounds:
55.16 -21.42
55.91 -20.81
Definition: OGC Well Known Text
PROJCS["Reunion 1947 / TM Reunion", GEOGCS["Reunion 1947", DATUM["Reunion_1947", SPHEROID["International 1924",6378388,297], TOWGS84[789.524,-626.486,-89.904,0.6006,76.7946,-10.5788,-32.3241]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4626"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",-21.1166666666667], PARAMETER["central_meridian",55.5333333333333], PARAMETER["scale_factor",1], PARAMETER["false_easting",50000], PARAMETER["false_northing",160000], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","2990"]]
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["Reunion 1947 / TM Reunion", BASEGEOGCRS["Reunion 1947", DATUM["Reunion 1947", ELLIPSOID["International 1924",6378388,297, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4626]], CONVERSION["TM Reunion", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",-21.1166666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",55.5333333333333, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",50000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",160000, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["easting (X)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["northing (Y)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["Reunion - onshore."], BBOX[-21.42,55.16,-20.81,55.91]], ID["EPSG",2990]]], 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["Transformation from unknown to WGS84", METHOD["Position Vector transformation (geog2D domain)", ID["EPSG",9606]], PARAMETER["X-axis translation",789.524, ID["EPSG",8605]], PARAMETER["Y-axis translation",-626.486, ID["EPSG",8606]], PARAMETER["Z-axis translation",-89.904, ID["EPSG",8607]], PARAMETER["X-axis rotation",0.6006, ID["EPSG",8608]], PARAMETER["Y-axis rotation",76.7946, ID["EPSG",8609]], PARAMETER["Z-axis rotation",-10.5788, ID["EPSG",8610]], PARAMETER["Scale difference",0.9999676759, ID["EPSG",8611]]]]
Definition: ESRI Well Known Text
PROJCS["Reunion_1947_TM_Reunion", GEOGCS["GCS_Reunion_1947", DATUM["D_Reunion_1947", SPHEROID["International_1924",6378388.0,297.0]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Transverse_Mercator"], PARAMETER["False_Easting",50000.0], PARAMETER["False_Northing",160000.0], PARAMETER["Central_Meridian",55.5333333333333], PARAMETER["Scale_Factor",1.0], PARAMETER["Latitude_Of_Origin",-21.1166666666667], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "Reunion 1947 / TM Reunion", "base_crs": { "name": "Reunion 1947", "datum": { "type": "GeodeticReferenceFrame", "name": "Reunion 1947", "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": 4626 } }, "conversion": { "name": "TM Reunion", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": -21.1166666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 55.5333333333333, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 1, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 50000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 160000, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "X", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "Y", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 2990 } }, "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": "Transformation from unknown to WGS84", "method": { "name": "Position Vector transformation (geog2D domain)", "id": { "authority": "EPSG", "code": 9606 } }, "parameters": [ { "name": "X-axis translation", "value": 789.524, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": -626.486, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -89.904, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": 0.6006, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": 76.7946, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": -10.5788, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": -32.3241, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } } ] } }
Definition: GeoServer
2990=PROJCS["Reunion 1947 / TM Reunion",GEOGCS["Reunion 1947",DATUM["Reunion_1947",SPHEROID["International 1924",6378388,297],TOWGS84[789.524,-626.486,-89.904,0.6006,76.7946,-10.5788,-32.3241]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4626"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",-21.1166666666667],PARAMETER["central_meridian",55.5333333333333],PARAMETER["scale_factor",1],PARAMETER["false_easting",50000],PARAMETER["false_northing",160000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2990"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=-21.1166666666667 +lon_0=55.5333333333333 +k=1 +x_0=50000 +y_0=160000 +ellps=intl +towgs84=789.524,-626.486,-89.904,0.6006,76.7946,-10.5788,-32.3241 +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=-21.1166666666667 +lon_0=55.5333333333333 +k=1 +x_0=50000 +y_0=160000 +ellps=intl +towgs84=789.524,-626.486,-89.904,0.6006,76.7946,-10.5788,-32.3241 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 2990, 'EPSG', 2990, '+proj=tmerc +lat_0=-21.1166666666667 +lon_0=55.5333333333333 +k=1 +x_0=50000 +y_0=160000 +ellps=intl +towgs84=789.524,-626.486,-89.904,0.6006,76.7946,-10.5788,-32.3241 +units=m +no_defs +type=crs', 'PROJCS["Reunion 1947 / TM Reunion",GEOGCS["Reunion 1947",DATUM["Reunion_1947",SPHEROID["International 1924",6378388,297],TOWGS84[789.524,-626.486,-89.904,0.6006,76.7946,-10.5788,-32.3241]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4626"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",-21.1166666666667],PARAMETER["central_meridian",55.5333333333333],PARAMETER["scale_factor",1],PARAMETER["false_easting",50000],PARAMETER["false_northing",160000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2990"]]');
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