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Geodetic CRS: Egypt 1907
Datum: Egypt 1907
Ellipsoid: Helmert 1906
Prime meridian: Greenwich
Data source: EPSG
Information source: Survey Research Institute Egypt in Proceedings of the ASPRS 2006 Annual Conference.
Revision date: 2020-03-14
Scope: Transformation of coordinates at 1m level of accuracy.
Remarks: Derived at 30 stations throughout Egypt 1907 network. Accuracy determined at 15 stations 0.7m in each axis. Unified transformation for whole country.
Method: Molodensky-Badekas (CF geog2D domain)
Area of use: Egypt - onshore and offshore.
Description: (-127.535, 113.495, -12.7, 1.603747, -0.153612, -5.364408, 5.33745)
&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)
COORDINATEOPERATION["Egypt 1907 to WGS 84 (4)", VERSION["SRI-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]]], METHOD["Molodensky-Badekas (CF geog2D domain)", ID["EPSG",9636]], PARAMETER["X-axis translation",-127.535, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",113.495, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",-12.7, LENGTHUNIT["metre",1], ID["EPSG",8607]], PARAMETER["X-axis rotation",1.603747, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8608]], PARAMETER["Y-axis rotation",-0.153612, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8609]], PARAMETER["Z-axis rotation",-5.364408, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8610]], PARAMETER["Scale difference",5.33745, SCALEUNIT["parts per million",1E-06], ID["EPSG",8611]], PARAMETER["Ordinate 1 of evaluation point",4854969.728, LENGTHUNIT["metre",1], ID["EPSG",8617]], PARAMETER["Ordinate 2 of evaluation point",2945552.013, LENGTHUNIT["metre",1], ID["EPSG",8618]], PARAMETER["Ordinate 3 of evaluation point",2868447.61, LENGTHUNIT["metre",1], ID["EPSG",8667]], OPERATIONACCURACY[1.2], USAGE[ SCOPE["Transformation of coordinates at 1m level of accuracy."], AREA["Egypt - onshore and offshore."], BBOX[21.89,24.7,33.82,37.91]], ID["EPSG",7697], REMARK["Derived at 30 stations throughout Egypt 1907 network. Accuracy determined at 15 stations 0.7m in each axis. Unified transformation for whole country."]]
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=molobadekas +x=-127.535 +y=113.495 +z=-12.7 +rx=1.603747 +ry=-0.153612 +rz=-5.364408 +s=5.33745 +px=4854969.728 +py=2945552.013 +pz=2868447.61 +convention=coordinate_frame +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:7697","+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=molobadekas +x=-127.535 +y=113.495 +z=-12.7 +rx=1.603747 +ry=-0.153612 +rz=-5.364408 +s=5.33745 +px=4854969.728 +py=2945552.013 +pz=2868447.61 +convention=coordinate_frame +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": "Egypt 1907 to WGS 84 (4)", "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 } }, "method": { "name": "Molodensky-Badekas (CF geog2D domain)", "id": { "authority": "EPSG", "code": 9636 } }, "parameters": [ { "name": "X-axis translation", "value": -127.535, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 113.495, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -12.7, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": 1.603747, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": -0.153612, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": -5.364408, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": 5.33745, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } }, { "name": "Ordinate 1 of evaluation point", "value": 4854969.728, "unit": "metre", "id": { "authority": "EPSG", "code": 8617 } }, { "name": "Ordinate 2 of evaluation point", "value": 2945552.013, "unit": "metre", "id": { "authority": "EPSG", "code": 8618 } }, { "name": "Ordinate 3 of evaluation point", "value": 2868447.61, "unit": "metre", "id": { "authority": "EPSG", "code": 8667 } } ], "accuracy": "1.2", "scope": "Transformation of coordinates at 1m level of accuracy.", "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": 7697 }, "remarks": "Derived at 30 stations throughout Egypt 1907 network. Accuracy determined at 15 stations 0.7m in each axis. Unified transformation for whole country." }
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=molobadekas" "x=-127.535" "y=113.495" "z=-12.7" "rx=1.603747" "ry=-0.153612" "rz=-5.364408" "s=5.33745" "px=4854969.728" "py=2945552.013" "pz=2868447.61" "convention=coordinate_frame" "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=molobadekas +x=-127.535 +y=113.495 +z=-12.7 +rx=1.603747 +ry=-0.153612 +rz=-5.364408 +s=5.33745 +px=4854969.728 +py=2945552.013 +pz=2868447.61 +convention=coordinate_frame +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=molobadekas +x=-127.535 +y=113.495 +z=-12.7 +rx=1.603747 +ry=-0.153612 +rz=-5.364408 +s=5.33745 +px=4854969.728 +py=2945552.013 +pz=2868447.61 +convention=coordinate_frame +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 ( 7697, 'EPSG', 7697, '+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=molobadekas +x=-127.535 +y=113.495 +z=-12.7 +rx=1.603747 +ry=-0.153612 +rz=-5.364408 +s=5.33745 +px=4854969.728 +py=2945552.013 +pz=2868447.61 +convention=coordinate_frame +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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