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Geodetic CRS: Egypt 1907
Datum: Egypt 1907
Ellipsoid: Helmert 1906
Prime meridian: Greenwich
Data source: EPSG
Information source: Maridive
Revision date: 2020-03-14
Scope: Oil and gas exploration and production.
Remarks: Used by Shell. May be implemented as a single transformation using position vector 7-parameter geocentric transformation method with parameter values dX=-121.8m dY=+98.1m dZ=-10.7m rX=rY=0 sec rZ=+0.554 sec dS=+0.2263 ppm.
Area of use: Egypt - onshore and offshore.
Description: (0,)
&stroke=red&width=2&path=21.89,24.7|33.82,24.7|33.82,37.91|21.89,37.91|21.89,24.7)
Definition: OGC Well Known Text 2 (2019)
CONCATENATEDOPERATION["Egypt 1907 to WGS 84 (2)", VERSION["MCE-Egy"], SOURCECRS[ GEOGCRS["Egypt 1907", DATUM["Egypt 1907", ELLIPSOID["Helmert 1906",6378200,298.3, 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",4229]]], 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]]], STEP[ COORDINATEOPERATION["Egypt 1907 to WGS 72 (1)", VERSION["MCE-Egy"], SOURCECRS[ GEOGCRS["Egypt 1907", DATUM["Egypt 1907", ELLIPSOID["Helmert 1906",6378200,298.3, 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",4229]]], TARGETCRS[ GEOGCRS["WGS 72", DYNAMIC[ FRAMEEPOCH[1972]], DATUM["World Geodetic System 1972", ELLIPSOID["WGS 72",6378135,298.26, 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",4322]]], METHOD["Geocentric translations (geog2D domain)", ID["EPSG",9603]], PARAMETER["X-axis translation",-121.8, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",98.1, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",-15.2, LENGTHUNIT["metre",1], ID["EPSG",8607]], OPERATIONACCURACY[5.0], ID["EPSG",1545]]], STEP[ COORDINATEOPERATION["WGS 72 to WGS 84 (1)", VERSION["DMA1"], SOURCECRS[ GEOGCRS["WGS 72", DYNAMIC[ FRAMEEPOCH[1972]], DATUM["World Geodetic System 1972", ELLIPSOID["WGS 72",6378135,298.26, 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",4322]]], 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["Position Vector transformation (geog2D domain)", ID["EPSG",9606]], PARAMETER["X-axis translation",0, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",0, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",4.5, LENGTHUNIT["metre",1], ID["EPSG",8607]], PARAMETER["X-axis rotation",0, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8608]], PARAMETER["Y-axis rotation",0, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8609]], PARAMETER["Z-axis rotation",0.554, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8610]], PARAMETER["Scale difference",0.2263, SCALEUNIT["parts per million",1E-06], ID["EPSG",8611]], OPERATIONACCURACY[2.0], ID["EPSG",1237]]], OPERATIONACCURACY[6.0], USAGE[ SCOPE["Oil and gas exploration and production."], AREA["Egypt - onshore and offshore."], BBOX[21.89,24.7,33.82,37.91]], ID["EPSG",8537], REMARK["Used by Shell. May be implemented as a single transformation using position vector 7-parameter geocentric transformation method with parameter values dX=-121.8m dY=+98.1m dZ=-10.7m rX=rY=0 sec rZ=+0.554 sec dS=+0.2263 ppm."]]
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=helmert +step +proj=helmert +x=-121.8 +y=98.1 +z=-15.2 +step +proj=helmert +x=0 +y=0 +z=4.5 +rx=0 +ry=0 +rz=0.554 +s=0.2263 +convention=position_vector +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:8537","+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=helmert +step +proj=helmert +x=-121.8 +y=98.1 +z=-15.2 +step +proj=helmert +x=0 +y=0 +z=4.5 +rx=0 +ry=0 +rz=0.554 +s=0.2263 +convention=position_vector +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": "ConcatenatedOperation", "name": "Egypt 1907 to WGS 84 (2)", "source_crs": { "type": "GeographicCRS", "name": "Egypt 1907", "datum": { "type": "GeodeticReferenceFrame", "name": "Egypt 1907", "ellipsoid": { "name": "Helmert 1906", "semi_major_axis": 6378200, "inverse_flattening": 298.3 } }, "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": 4229 } }, "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 } }, "steps": [ { "type": "Transformation", "name": "Egypt 1907 to WGS 72 (1)", "source_crs": { "type": "GeographicCRS", "name": "Egypt 1907", "datum": { "type": "GeodeticReferenceFrame", "name": "Egypt 1907", "ellipsoid": { "name": "Helmert 1906", "semi_major_axis": 6378200, "inverse_flattening": 298.3 } }, "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": 4229 } }, "target_crs": { "type": "GeographicCRS", "name": "WGS 72", "datum": { "type": "DynamicGeodeticReferenceFrame", "name": "World Geodetic System 1972", "frame_reference_epoch": 1972, "ellipsoid": { "name": "WGS 72", "semi_major_axis": 6378135, "inverse_flattening": 298.26 } }, "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": 4322 } }, "method": { "name": "Geocentric translations (geog2D domain)", "id": { "authority": "EPSG", "code": 9603 } }, "parameters": [ { "name": "X-axis translation", "value": -121.8, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 98.1, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -15.2, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } } ], "accuracy": "5.0", "id": { "authority": "EPSG", "code": 1545 } }, { "type": "Transformation", "name": "WGS 72 to WGS 84 (1)", "source_crs": { "type": "GeographicCRS", "name": "WGS 72", "datum": { "type": "DynamicGeodeticReferenceFrame", "name": "World Geodetic System 1972", "frame_reference_epoch": 1972, "ellipsoid": { "name": "WGS 72", "semi_major_axis": 6378135, "inverse_flattening": 298.26 } }, "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": 4322 } }, "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": "Position Vector transformation (geog2D domain)", "id": { "authority": "EPSG", "code": 9606 } }, "parameters": [ { "name": "X-axis translation", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": 4.5, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": 0, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": 0, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": 0.554, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": 0.2263, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } } ], "accuracy": "2.0", "id": { "authority": "EPSG", "code": 1237 } } ], "accuracy": "6.0", "scope": "Oil and gas exploration and production.", "area": "Egypt - onshore and offshore.", "bbox": { "south_latitude": 21.89, "west_longitude": 24.7, "north_latitude": 33.82, "east_longitude": 37.91 }, "id": { "authority": "EPSG", "code": 8537 }, "remarks": "Used by Shell. May be implemented as a single transformation using position vector 7-parameter geocentric transformation method with parameter values dX=-121.8m dY=+98.1m dZ=-10.7m rX=rY=0 sec rZ=+0.554 sec dS=+0.2263 ppm." }
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=helmert" "step" "proj=helmert" "x=-121.8" "y=98.1" "z=-15.2" "step" "proj=helmert" "x=0" "y=0" "z=4.5" "rx=0" "ry=0" "rz=0.554" "s=0.2263" "convention=position_vector" "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=helmert +step +proj=helmert +x=-121.8 +y=98.1 +z=-15.2 +step +proj=helmert +x=0 +y=0 +z=4.5 +rx=0 +ry=0 +rz=0.554 +s=0.2263 +convention=position_vector +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=helmert +step +proj=helmert +x=-121.8 +y=98.1 +z=-15.2 +step +proj=helmert +x=0 +y=0 +z=4.5 +rx=0 +ry=0 +rz=0.554 +s=0.2263 +convention=position_vector +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 ( 8537, 'EPSG', 8537, '+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=helmert +step +proj=helmert +x=-121.8 +y=98.1 +z=-15.2 +step +proj=helmert +x=0 +y=0 +z=4.5 +rx=0 +ry=0 +rz=0.554 +s=0.2263 +convention=position_vector +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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