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Geodetic CRS: ED87
Datum: European Datum 1987
Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: EPSG
Information source: Norwegian Mapping Authority publication 1990:1 and note of 13-Feb-1991 "Om Transformasjon mellom Geodetiske Datum i Norge"
Revision date: 2020-03-14
Scope: Not known.
Method: Position Vector transformation (geog2D domain)
Description: (-82.981, -99.719, -110.709, -0.5076, 0.1503, 0.3898, -0.3143)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["ED87 to WGS 84 (1)", VERSION["5Nat-NSea-90"], SOURCECRS[ GEOGCRS["ED87", DATUM["European Datum 1987", ELLIPSOID["International 1924",6378388,297, 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",4231]]], 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",-82.981, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",-99.719, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",-110.709, LENGTHUNIT["metre",1], ID["EPSG",8607]], PARAMETER["X-axis rotation",-0.5076, ANGLEUNIT["microradian",1E-06], ID["EPSG",8608]], PARAMETER["Y-axis rotation",0.1503, ANGLEUNIT["microradian",1E-06], ID["EPSG",8609]], PARAMETER["Z-axis rotation",0.3898, ANGLEUNIT["microradian",1E-06], ID["EPSG",8610]], PARAMETER["Scale difference",-0.3143, SCALEUNIT["parts per million",1E-06], ID["EPSG",8611]], OPERATIONACCURACY[0.8], USAGE[ SCOPE["Not known."], AREA["Denmark - North Sea; Germany - North Sea; Netherlands - offshore; Norway - North Sea south of 62°N; United Kingdom (UKCS) - North Sea south of 62°N."], BBOX[51.03,-5.05,62.01,10.86]], ID["EPSG",1146]]
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=intl +step +proj=helmert +x=-82.981 +y=-99.719 +z=-110.709 +rx=-0.104700015651026 +ry=0.0310016003789386 +rz=0.0804020214751182 +s=-0.3143 +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:1146","+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=intl +step +proj=helmert +x=-82.981 +y=-99.719 +z=-110.709 +rx=-0.104700015651026 +ry=0.0310016003789386 +rz=0.0804020214751182 +s=-0.3143 +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": "ED87 to WGS 84 (1)", "source_crs": { "type": "GeographicCRS", "name": "ED87", "datum": { "type": "GeodeticReferenceFrame", "name": "European Datum 1987", "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": 4231 } }, "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": -82.981, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": -99.719, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -110.709, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": -0.5076, "unit": { "type": "AngularUnit", "name": "microradian", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": 0.1503, "unit": { "type": "AngularUnit", "name": "microradian", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": 0.3898, "unit": { "type": "AngularUnit", "name": "microradian", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": -0.3143, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } } ], "accuracy": "0.8", "scope": "Not known.", "area": "Denmark - North Sea; Germany - North Sea; Netherlands - offshore; Norway - North Sea south of 62°N; United Kingdom (UKCS) - North Sea south of 62°N.", "bbox": { "south_latitude": 51.03, "west_longitude": -5.05, "north_latitude": 62.01, "east_longitude": 10.86 }, "id": { "authority": "EPSG", "code": 1146 } }
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=intl" "step" "proj=helmert" "x=-82.981" "y=-99.719" "z=-110.709" "rx=-0.104700015651026" "ry=0.0310016003789386" "rz=0.0804020214751182" "s=-0.3143" "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=intl +step +proj=helmert +x=-82.981 +y=-99.719 +z=-110.709 +rx=-0.104700015651026 +ry=0.0310016003789386 +rz=0.0804020214751182 +s=-0.3143 +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=intl +step +proj=helmert +x=-82.981 +y=-99.719 +z=-110.709 +rx=-0.104700015651026 +ry=0.0310016003789386 +rz=0.0804020214751182 +s=-0.3143 +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 ( 1146, 'EPSG', 1146, '+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=intl +step +proj=helmert +x=-82.981 +y=-99.719 +z=-110.709 +rx=-0.104700015651026 +ry=0.0310016003789386 +rz=0.0804020214751182 +s=-0.3143 +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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