RGNC1991_NEA74Noumea.gsb
Emulation using NTv2 method of tfm NEA74 Noumea to RGNC91-93 (3) (code 15943). Note reversal of sign of parameter values in grid file.
ESRI
2020-01-16
degree (supplier to define representation)
Reseau Geodesique de Nouvelle Caledonie 91-93
EPSG
Service Topographique de la Nouvelle Caledonie, Direction des Infrastructures, de la Topografie et des Transports Terrestres. www.dittt.gouv.nc
2023-03-31
GIS.
See CRS code 4749 for system with axes in sequence lat-lon to be used for air, land and sea navigation and safety of life purposes. Replaced by RGNC15 (lon-lat) (CRS code 10312).
Ellipsoidal 2D CS. Axes: longitude, latitude. Orientations: east, north. UoM: degree
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ GEOGCRS["RGNC91-93 (lon-lat)", 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 longitude (Lon)",east, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic latitude (Lat)",north, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], USAGE[ SCOPE["GIS."], 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",10307]]], TARGETCRS[ GEOGCRS["NEA74 Noumea", DATUM["NEA74 Noumea", 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 - Noumea district."], BBOX[-22.37,166.35,-22.19,166.54]], ID["EPSG",4644]]], ABRIDGEDTRANSFORMATION["RGNC91-93 to NEA74 Noumea (4)", METHOD["NTv2", ID["EPSG",9615]], PARAMETERFILE["Latitude and longitude difference file","RGNC1991_NEA74Noumea.gsb"], USAGE[ SCOPE["Geodesy."], AREA["New Caledonia - Grande Terre - Noumea district."], BBOX[-22.37,166.35,-22.19,166.54]], ID["EPSG",1295], REMARK["Emulation using NTv2 method of tfm NEA74 Noumea to RGNC91-93 (3) (code 15943). Note reversal of sign of parameter values in grid file."]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "GeographicCRS", "name": "RGNC91-93 (lon-lat)", "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 longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" }, { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 10307 } }, "target_crs": { "type": "GeographicCRS", "name": "NEA74 Noumea", "datum": { "type": "GeodeticReferenceFrame", "name": "NEA74 Noumea", "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": 4644 } }, "transformation": { "name": "RGNC91-93 to NEA74 Noumea (4)", "source_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 } }, "method": { "name": "NTv2", "id": { "authority": "EPSG", "code": 9615 } }, "parameters": [ { "name": "Latitude and longitude difference file", "value": "RGNC1991_NEA74Noumea.gsb", "id": { "authority": "EPSG", "code": 8656 } } ], "id": { "authority": "EPSG", "code": 1295 } } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=GRS80 +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=GRS80 +no_defs +type=crs"> </Layer> </Map>