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Geodetic CRS: NTF (Paris)
Datum: Nouvelle Triangulation Francaise (Paris)
Ellipsoid: Clarke 1880 (IGN)
Prime meridian: Paris
Data source: EPSG
Information source: OGP
Revision date: 2018-05-12
&stroke=red&width=2&path=41.31,-4.87|51.14,-4.87|51.14,9.63|41.31,9.63|41.31,-4.87)
Definition: OGC Well Known Text 2 (2019)
CONCATENATEDOPERATION["NTF (Paris) to ED50 (1)", VERSION["EPSG-Fra"], SOURCECRS[ GEOGCRS["NTF (Paris)", DATUM["Nouvelle Triangulation Francaise (Paris)", ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293627, LENGTHUNIT["metre",1]]], PRIMEM["Paris",2.5969213, ANGLEUNIT["grad",0.0157079632679489]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["grad",0.0157079632679489]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["grad",0.0157079632679489]], ID["EPSG",4807]]], TARGETCRS[ GEOGCRS["ED50", DATUM["European Datum 1950", 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",4230]]], STEP[ COORDINATEOPERATION["NTF (Paris) to NTF (1)", VERSION["IGN-Fra"], SOURCECRS[ GEOGCRS["NTF (Paris)", DATUM["Nouvelle Triangulation Francaise (Paris)", ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293627, LENGTHUNIT["metre",1]]], PRIMEM["Paris",2.5969213, ANGLEUNIT["grad",0.0157079632679489]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["grad",0.0157079632679489]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["grad",0.0157079632679489]], ID["EPSG",4807]]], TARGETCRS[ GEOGCRS["NTF", DATUM["Nouvelle Triangulation Francaise", ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293627, 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",4275]]], METHOD["Longitude rotation", ID["EPSG",9601]], PARAMETER["Longitude offset",2.5969213, ANGLEUNIT["grad",0.0157079632679489], ID["EPSG",8602]], OPERATIONACCURACY[0.0], ID["EPSG",1763]]], STEP[ COORDINATEOPERATION["NTF to ED50 (1)", VERSION["IGN-Fra"], SOURCECRS[ GEOGCRS["NTF", DATUM["Nouvelle Triangulation Francaise", ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293627, 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",4275]]], TARGETCRS[ GEOGCRS["ED50", DATUM["European Datum 1950", 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",4230]]], METHOD["Geocentric translations (geog2D domain)", ID["EPSG",9603]], PARAMETER["X-axis translation",-84, LENGTHUNIT["metre",1], ID["EPSG",8605]], PARAMETER["Y-axis translation",37, LENGTHUNIT["metre",1], ID["EPSG",8606]], PARAMETER["Z-axis translation",437, LENGTHUNIT["metre",1], ID["EPSG",8607]], OPERATIONACCURACY[2.0], ID["EPSG",1276]]], OPERATIONACCURACY[2.0], USAGE[ SCOPE["Not known."], AREA["France - onshore - mainland and Corsica."], BBOX[41.31,-4.87,51.14,9.63]], ID["EPSG",8186]]
Definition: PROJ.4
+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=grad +xy_out=rad +step +inv +proj=longlat +ellps=clrk80ign +pm=paris +step +proj=push +v_3 +step +proj=cart +ellps=clrk80ign +step +proj=helmert +x=-84 +y=37 +z=437 +step +inv +proj=cart +ellps=intl +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:8186","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=grad +xy_out=rad +step +inv +proj=longlat +ellps=clrk80ign +pm=paris +step +proj=push +v_3 +step +proj=cart +ellps=clrk80ign +step +proj=helmert +x=-84 +y=37 +z=437 +step +inv +proj=cart +ellps=intl +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": "NTF (Paris) to ED50 (1)", "source_crs": { "type": "GeographicCRS", "name": "NTF (Paris)", "datum": { "type": "GeodeticReferenceFrame", "name": "Nouvelle Triangulation Francaise (Paris)", "ellipsoid": { "name": "Clarke 1880 (IGN)", "semi_major_axis": 6378249.2, "semi_minor_axis": 6356515 }, "prime_meridian": { "name": "Paris", "longitude": { "value": 2.5969213, "unit": { "type": "AngularUnit", "name": "grad", "conversion_factor": 0.0157079632679489 } } } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": { "type": "AngularUnit", "name": "grad", "conversion_factor": 0.0157079632679489 } }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": { "type": "AngularUnit", "name": "grad", "conversion_factor": 0.0157079632679489 } } ] }, "id": { "authority": "EPSG", "code": 4807 } }, "target_crs": { "type": "GeographicCRS", "name": "ED50", "datum": { "type": "GeodeticReferenceFrame", "name": "European Datum 1950", "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": 4230 } }, "steps": [ { "type": "Transformation", "name": "NTF (Paris) to NTF (1)", "source_crs": { "type": "GeographicCRS", "name": "NTF (Paris)", "datum": { "type": "GeodeticReferenceFrame", "name": "Nouvelle Triangulation Francaise (Paris)", "ellipsoid": { "name": "Clarke 1880 (IGN)", "semi_major_axis": 6378249.2, "semi_minor_axis": 6356515 }, "prime_meridian": { "name": "Paris", "longitude": { "value": 2.5969213, "unit": { "type": "AngularUnit", "name": "grad", "conversion_factor": 0.0157079632679489 } } } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": { "type": "AngularUnit", "name": "grad", "conversion_factor": 0.0157079632679489 } }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": { "type": "AngularUnit", "name": "grad", "conversion_factor": 0.0157079632679489 } } ] }, "id": { "authority": "EPSG", "code": 4807 } }, "target_crs": { "type": "GeographicCRS", "name": "NTF", "datum": { "type": "GeodeticReferenceFrame", "name": "Nouvelle Triangulation Francaise", "ellipsoid": { "name": "Clarke 1880 (IGN)", "semi_major_axis": 6378249.2, "semi_minor_axis": 6356515 } }, "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": 4275 } }, "method": { "name": "Longitude rotation", "id": { "authority": "EPSG", "code": 9601 } }, "parameters": [ { "name": "Longitude offset", "value": 2.5969213, "unit": { "type": "AngularUnit", "name": "grad", "conversion_factor": 0.0157079632679489 }, "id": { "authority": "EPSG", "code": 8602 } } ], "accuracy": "0.0", "id": { "authority": "EPSG", "code": 1763 } }, { "type": "Transformation", "name": "NTF to ED50 (1)", "source_crs": { "type": "GeographicCRS", "name": "NTF", "datum": { "type": "GeodeticReferenceFrame", "name": "Nouvelle Triangulation Francaise", "ellipsoid": { "name": "Clarke 1880 (IGN)", "semi_major_axis": 6378249.2, "semi_minor_axis": 6356515 } }, "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": 4275 } }, "target_crs": { "type": "GeographicCRS", "name": "ED50", "datum": { "type": "GeodeticReferenceFrame", "name": "European Datum 1950", "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": 4230 } }, "method": { "name": "Geocentric translations (geog2D domain)", "id": { "authority": "EPSG", "code": 9603 } }, "parameters": [ { "name": "X-axis translation", "value": -84, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 37, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": 437, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } } ], "accuracy": "2.0", "id": { "authority": "EPSG", "code": 1276 } } ], "accuracy": "2.0", "scope": "Not known.", "area": "France - onshore - mainland and Corsica.", "bbox": { "south_latitude": 41.31, "west_longitude": -4.87, "north_latitude": 51.14, "east_longitude": 9.63 }, "id": { "authority": "EPSG", "code": 8186 } }
Definition: MapServer - MAPfile
PROJECTION "proj=pipeline" "step" "proj=axisswap" "order=2,1" "step" "proj=unitconvert" "xy_in=grad" "xy_out=rad" "step" "inv" "proj=longlat" "ellps=clrk80ign" "pm=paris" "step" "proj=push" "v_3" "step" "proj=cart" "ellps=clrk80ign" "step" "proj=helmert" "x=-84" "y=37" "z=437" "step" "inv" "proj=cart" "ellps=intl" "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=grad +xy_out=rad +step +inv +proj=longlat +ellps=clrk80ign +pm=paris +step +proj=push +v_3 +step +proj=cart +ellps=clrk80ign +step +proj=helmert +x=-84 +y=37 +z=437 +step +inv +proj=cart +ellps=intl +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=grad +xy_out=rad +step +inv +proj=longlat +ellps=clrk80ign +pm=paris +step +proj=push +v_3 +step +proj=cart +ellps=clrk80ign +step +proj=helmert +x=-84 +y=37 +z=437 +step +inv +proj=cart +ellps=intl +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 ( 8186, 'EPSG', 8186, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=grad +xy_out=rad +step +inv +proj=longlat +ellps=clrk80ign +pm=paris +step +proj=push +v_3 +step +proj=cart +ellps=clrk80ign +step +proj=helmert +x=-84 +y=37 +z=437 +step +inv +proj=cart +ellps=intl +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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