Geocentric translation by Grid Interpolation (IGN)
gr3dnc01b.mnt
Developed in July 2002 and officially adopted in August 2005. May be emulated using NTv2 method - see RGNC91-93 to IGN72 Grande Terre (6) (code 15962).
Service Topographique de la Nouvelle Caledonie, Direction des Infrastructures, de la Topographie et des Transports Terrestres. www.dittt.gouv.nc
2020-03-14
degree (supplier to define representation)
EPSG
Service Topographique de la Nouvelle Caledonie, Direction des Infrastructures, de la Topographie et des Transports Terrestres. www.dittt.gouv.nc
2006-07-21
Geodesy.
Replaced by RGNC91-93 (CRS code 4749).
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ GEOGCRS["IGN72 Grande Terre", DATUM["IGN72 Grande Terre", 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]], USAGE[ SCOPE["Geodesy."], AREA["New Caledonia - Grande Terre."], BBOX[-22.45,163.92,-20.03,167.09]], ID["EPSG",4662]]], TARGETCRS[ GEOGCRS["RGNC91-93", DATUM["Reseau Geodesique de Nouvelle Caledonie 91-93", ELLIPSOID["GRS 1980",6378137,298.257222101, 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]], USAGE[ SCOPE["Geodesy; air, land and sea navigation and safety of life purposes."], AREA["New Caledonia - onshore and offshore. Isle de Pins, Loyalty Islands, Huon Islands, Belep archipelago, Chesterfield Islands, and Walpole."], BBOX[-26.45,156.25,-14.83,174.28]], ID["EPSG",4749]]], ABRIDGEDTRANSFORMATION["IGN72 Grande Terre to RGNC91-93 (4)", METHOD["Geocentric translation by Grid Interpolation (IGN)", ID["EPSG",1087]], PARAMETERFILE["Geocentric translation file","gr3dnc01b.mnt"], USAGE[ SCOPE["Transformation of coordinates at 0.1m level of accuracy."], AREA["New Caledonia - Grande Terre."], BBOX[-22.45,163.92,-20.03,167.09]], ID["EPSG",9329], REMARK["Developed in July 2002 and officially adopted in August 2005. May be emulated using NTv2 method - see RGNC91-93 to IGN72 Grande Terre (6) (code 15962)."]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "GeographicCRS", "name": "IGN72 Grande Terre", "datum": { "type": "GeodeticReferenceFrame", "name": "IGN72 Grande Terre", "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": 4662 } }, "target_crs": { "type": "GeographicCRS", "name": "RGNC91-93", "datum": { "type": "GeodeticReferenceFrame", "name": "Reseau Geodesique de Nouvelle Caledonie 91-93", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "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": 4749 } }, "transformation": { "name": "IGN72 Grande Terre to RGNC91-93 (4)", "method": { "name": "Geocentric translation by Grid Interpolation (IGN)", "id": { "authority": "EPSG", "code": 1087 } }, "parameters": [ { "name": "Geocentric translation file", "value": "gr3dnc01b.mnt", "id": { "authority": "EPSG", "code": 8727 } } ], "id": { "authority": "EPSG", "code": 9329 } } }
Definition: Mapnik
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