EPSG:4644

NEA74 Noumea

Available transformations
to EPSG:4749
EPSG:4749 - RGNC91-93

Selected transformation

Method: NTv2

Grid Files: RGNC1991_NEA74Noumea.gsb

Remarks: Emulation using NTv2 method of tfm NEA74 Noumea to RGNC91-93 (3) (code 15943).

Information source: ESRI

Revision date: 2007-07-06

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: NEA74 Noumea

Datum: NEA74 Noumea

Ellipsoid: International 1924

Prime meridian: Greenwich

Data source: EPSG

Information source: Service Topographique de la Nouvelle Caledonie, Direction des Infrastructures, de la Topografie et des Transports Terrestres. www.dittt.gouv.nc

Revision date: 2006-07-21

Scope: Geodesy.

Remarks: Replaced by RGNC91-93 (CRS code 4749).

Area of use: New Caledonia - Grande Terre - Noumea district.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree

Covered area powered by MapTiler MapTiler logo
SimpleMap
New Caledonia - Grande Terre - Noumea district.
MapTiler banner

Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        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]]],
    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["NEA74 Noumea to RGNC91-93 (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",15944],
        REMARK["Emulation using NTv2 method of tfm NEA74 Noumea to RGNC91-93 (3) (code 15943)."]]]

Definition: PROJ.4

+proj=longlat +ellps=intl +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4644","+proj=longlat +ellps=intl +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_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
        }
    },
    "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": "NEA74 Noumea to RGNC91-93 (4)",
        "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": 15944
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=intl"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=intl +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=intl +no_defs +type=crs">
	</Layer>
</Map>