Engineering survey, topographic mapping.
Definition: OGC Well Known Text
COMPD_CS["NTF (Paris) + NGF IGN69 height", GEOGCS["NTF (Paris)", DATUM["Nouvelle_Triangulation_Francaise_Paris", SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627, AUTHORITY["EPSG","7011"]], AUTHORITY["EPSG","6807"]], PRIMEM["Paris",2.33722917, AUTHORITY["EPSG","8903"]], UNIT["grad",0.0157079632679489, AUTHORITY["EPSG","9105"]], AUTHORITY["EPSG","4807"]], VERT_CS["NGF-IGN69 height", VERT_DATUM["Nivellement General de la France - IGN69",2005, AUTHORITY["EPSG","5119"]], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Gravity-related height",UP], AUTHORITY["EPSG","5720"]], AUTHORITY["EPSG","7400"]]
Definition: OGC Well Known Text 2 (2019)
COMPOUNDCRS["NTF (Paris) + NGF IGN69 height", 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]]], VERTCRS["NGF-IGN69 height", VDATUM["Nivellement General de la France - IGN69"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["France - mainland onshore."], BBOX[42.33,-4.87,51.14,8.23]], ID["EPSG",7400]]
Definition: ESRI Well Known Text
GEOGCS["GCS_NTF_Paris", DATUM["Nouvelle_Triangulation_Francaise_(Paris)", SPHEROID["Clarke_1880_IGN",6378249.2,293.466021293627]], PRIMEM["Paris",2.33722917], UNIT["Grad",0.0157079632679489]], VERTCS["NGF_IGN69", VDATUM["Nivellement_General_de_la_France_IGN69"], PARAMETER["Vertical_Shift",0.0], PARAMETER["Direction",1.0], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "CompoundCRS", "name": "NTF (Paris) + NGF IGN69 height", "components": [ { "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 } } ] } }, { "type": "VerticalCRS", "name": "NGF-IGN69 height", "datum": { "type": "VerticalReferenceFrame", "name": "Nivellement General de la France - IGN69" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] } } ], "scope": "Engineering survey, topographic mapping.", "area": "France - mainland onshore.", "bbox": { "south_latitude": 42.33, "west_longitude": -4.87, "north_latitude": 51.14, "east_longitude": 8.23 }, "id": { "authority": "EPSG", "code": 7400 } }
Definition: GeoServer
7400=COMPD_CS["NTF (Paris) + NGF IGN69 height",GEOGCS["NTF (Paris)",DATUM["Nouvelle_Triangulation_Francaise_Paris",SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627,AUTHORITY["EPSG","7011"]],AUTHORITY["EPSG","6807"]],PRIMEM["Paris",2.33722917,AUTHORITY["EPSG","8903"]],UNIT["grad",0.0157079632679489,AUTHORITY["EPSG","9105"]],AUTHORITY["EPSG","4807"]],VERT_CS["NGF-IGN69 height",VERT_DATUM["Nivellement General de la France - IGN69",2005,AUTHORITY["EPSG","5119"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5720"]],AUTHORITY["EPSG","7400"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=clrk80ign +pm=paris +vunits=m +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=clrk80ign +pm=paris +vunits=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 7400, 'EPSG', 7400, '+proj=longlat +ellps=clrk80ign +pm=paris +vunits=m +no_defs +type=crs', 'COMPD_CS["NTF (Paris) + NGF IGN69 height",GEOGCS["NTF (Paris)",DATUM["Nouvelle_Triangulation_Francaise_Paris",SPHEROID["Clarke 1880 (IGN)",6378249.2,293.466021293627,AUTHORITY["EPSG","7011"]],AUTHORITY["EPSG","6807"]],PRIMEM["Paris",2.33722917,AUTHORITY["EPSG","8903"]],UNIT["grad",0.0157079632679489,AUTHORITY["EPSG","9105"]],AUTHORITY["EPSG","4807"]],VERT_CS["NGF-IGN69 height",VERT_DATUM["Nivellement General de la France - IGN69",2005,AUTHORITY["EPSG","5119"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5720"]],AUTHORITY["EPSG","7400"]]');