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Geodetic CRS: Pulkovo 1942
Datum: Pulkovo 1942
Ellipsoid: Krassowsky 1940
Prime meridian: Greenwich
Data source: EPSG
Information source: BP
Revision date: 2020-03-14
Scope: Oil and gas exploration and production.
Remarks: Mean of 3 stations in western Georgia, 4 stations in eastern Georgia and 4 stations in eastern Azerbaijan. Derived for use on AIOC early oil western export pipeline, but adopted for all AIOC work replacing the 1995 AIOC transformation (code 1807).
Method: Position Vector transformation (geog2D domain)
Area of use: Azerbaijan (including Caspian) and Georgia onshore.
Description: (686.1, -123.5, -574.4, 8.045, -23.366, 10.791, -2.926)
&stroke=red&width=2&path=37.89,39.99|43.59,39.99|43.59,51.73|37.89,51.73|37.89,39.99)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["Pulkovo 1942 to WGS 84 (14)", VERSION["BP-Aze Aioc97"], SOURCECRS[ GEOGCRS["Pulkovo 1942", DATUM["Pulkovo 1942", ELLIPSOID["Krassowsky 1940",6378245,298.3, 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",4284]]], 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",686.1, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",-123.5, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",-574.4, LENGTHUNIT["metre",1], ID["EPSG",8607]], PARAMETER["X-axis rotation",8.045, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8608]], PARAMETER["Y-axis rotation",-23.366, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8609]], PARAMETER["Z-axis rotation",10.791, ANGLEUNIT["arc-second",4.84813681109536E-06], ID["EPSG",8610]], PARAMETER["Scale difference",-2.926, SCALEUNIT["parts per million",1E-06], ID["EPSG",8611]], OPERATIONACCURACY[5.0], USAGE[ SCOPE["Oil and gas exploration and production."], AREA["Azerbaijan (including Caspian) and Georgia onshore."], BBOX[37.89,39.99,43.59,51.73]], ID["EPSG",1808], REMARK["Mean of 3 stations in western Georgia, 4 stations in eastern Georgia and 4 stations in eastern Azerbaijan. Derived for use on AIOC early oil western export pipeline, but adopted for all AIOC work replacing the 1995 AIOC transformation (code 1807)."]]
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=krass +step +proj=helmert +x=686.1 +y=-123.5 +z=-574.4 +rx=8.045 +ry=-23.366 +rz=10.791 +s=-2.926 +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:1808","+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=krass +step +proj=helmert +x=686.1 +y=-123.5 +z=-574.4 +rx=8.045 +ry=-23.366 +rz=10.791 +s=-2.926 +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": "Transformation", "name": "Pulkovo 1942 to WGS 84 (14)", "source_crs": { "type": "GeographicCRS", "name": "Pulkovo 1942", "datum": { "type": "GeodeticReferenceFrame", "name": "Pulkovo 1942", "ellipsoid": { "name": "Krassowsky 1940", "semi_major_axis": 6378245, "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": 4284 } }, "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": 686.1, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": -123.5, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -574.4, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": 8.045, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": -23.366, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": 10.791, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": -2.926, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } } ], "accuracy": "5.0", "scope": "Oil and gas exploration and production.", "area": "Azerbaijan (including Caspian) and Georgia onshore.", "bbox": { "south_latitude": 37.89, "west_longitude": 39.99, "north_latitude": 43.59, "east_longitude": 51.73 }, "id": { "authority": "EPSG", "code": 1808 }, "remarks": "Mean of 3 stations in western Georgia, 4 stations in eastern Georgia and 4 stations in eastern Azerbaijan. Derived for use on AIOC early oil western export pipeline, but adopted for all AIOC work replacing the 1995 AIOC transformation (code 1807)." }
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=krass" "step" "proj=helmert" "x=686.1" "y=-123.5" "z=-574.4" "rx=8.045" "ry=-23.366" "rz=10.791" "s=-2.926" "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=krass +step +proj=helmert +x=686.1 +y=-123.5 +z=-574.4 +rx=8.045 +ry=-23.366 +rz=10.791 +s=-2.926 +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=krass +step +proj=helmert +x=686.1 +y=-123.5 +z=-574.4 +rx=8.045 +ry=-23.366 +rz=10.791 +s=-2.926 +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 ( 1808, 'EPSG', 1808, '+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=krass +step +proj=helmert +x=686.1 +y=-123.5 +z=-574.4 +rx=8.045 +ry=-23.366 +rz=10.791 +s=-2.926 +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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