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Geodetic CRS: Gulshan 303
Datum: Gulshan 303
Ellipsoid: Everest 1830 (1937 Adjustment)
Prime meridian: Greenwich
Data source: EPSG
Information source: Survey of Bangladesh via IGN Paris and Tullow Oil.
Revision date: 2023-01-17
Scope: Oil and gas exploration and production.
Remarks: Derived at origin station in Dhaka. Source information given to 3 decimal places but rounded by OGP to be commensurate with stated accuracy. For consistency with Survey of Bangladesh, Gulshan 303 to WGS 84 (2) [code 9679] should be preferred.
Method: Geocentric translations (geog2D domain)
Area of use: Bangladesh - onshore and offshore.
Description: (283.7, 735.9, 261.1, 0.0, 0.0, 0.0, 0.0)
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Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["Gulshan 303 to WGS 84 (1)", VERSION["OGP-Bgd rounded"], SOURCECRS[ GEOGCRS["Gulshan 303", DATUM["Gulshan 303", ELLIPSOID["Everest 1830 (1937 Adjustment)",6377276.345,300.8017, 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",4682]]], 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]], ID["EPSG",4326]]], METHOD["Geocentric translations (geog2D domain)", ID["EPSG",9603]], PARAMETER["X-axis translation",283.7, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",735.9, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",261.1, LENGTHUNIT["metre",1], ID["EPSG",8607]], OPERATIONACCURACY[1.0], USAGE[ SCOPE["Oil and gas exploration and production."], AREA["Bangladesh - onshore and offshore."], BBOX[18.56,88.01,26.64,92.67]], ID["EPSG",15779], REMARK["Derived at origin station in Dhaka. Source information given to 3 decimal places but rounded by OGP to be commensurate with stated accuracy. For consistency with Survey of Bangladesh, Gulshan 303 to WGS 84 (2) [code 9679] should be preferred."]]
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=evrst30 +step +proj=helmert +x=283.7 +y=735.9 +z=261.1 +step +inv +proj=cart +ellps=WGS84 +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:15779","+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=evrst30 +step +proj=helmert +x=283.7 +y=735.9 +z=261.1 +step +inv +proj=cart +ellps=WGS84 +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": "Gulshan 303 to WGS 84 (1)", "source_crs": { "type": "GeographicCRS", "name": "Gulshan 303", "datum": { "type": "GeodeticReferenceFrame", "name": "Gulshan 303", "ellipsoid": { "name": "Everest 1830 (1937 Adjustment)", "semi_major_axis": 6377276.345, "inverse_flattening": 300.8017 } }, "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": 4682 } }, "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 } }, "method": { "name": "Geocentric translations (geog2D domain)", "id": { "authority": "EPSG", "code": 9603 } }, "parameters": [ { "name": "X-axis translation", "value": 283.7, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 735.9, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": 261.1, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } } ], "accuracy": "1.0", "scope": "Oil and gas exploration and production.", "area": "Bangladesh - onshore and offshore.", "bbox": { "south_latitude": 18.56, "west_longitude": 88.01, "north_latitude": 26.64, "east_longitude": 92.67 }, "id": { "authority": "EPSG", "code": 15779 }, "remarks": "Derived at origin station in Dhaka. Source information given to 3 decimal places but rounded by OGP to be commensurate with stated accuracy. For consistency with Survey of Bangladesh, Gulshan 303 to WGS 84 (2) [code 9679] should be preferred." }
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=evrst30" "step" "proj=helmert" "x=283.7" "y=735.9" "z=261.1" "step" "inv" "proj=cart" "ellps=WGS84" "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=evrst30 +step +proj=helmert +x=283.7 +y=735.9 +z=261.1 +step +inv +proj=cart +ellps=WGS84 +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=evrst30 +step +proj=helmert +x=283.7 +y=735.9 +z=261.1 +step +inv +proj=cart +ellps=WGS84 +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 ( 15779, 'EPSG', 15779, '+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=evrst30 +step +proj=helmert +x=283.7 +y=735.9 +z=261.1 +step +inv +proj=cart +ellps=WGS84 +step +proj=pop +v_3 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');
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