EPSG:4644

NEA74 Noumea

Transform Get position on a map

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

Selected transformation

Name: NEA74 Noumea to RGNC91-93 (3)

Method: Geocentric translations (geog2D domain) by grid (IGN)

Grid Files: gr3dnc03a.mnt

Remarks: Developed in July 2002 and officially adopted in August 2005. May be emulated using NTv2 method - see RGNC91-93 to NEA74 Noumea (4) (code 1295).

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

Revision date: 2020-03-14

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

Center coordinates
inf inf

WGS84 bounds:
166.35 -22.37
166.54 -22.19

New Caledonia - Grande Terre - Noumea district.
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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],
            REMARK["Replaced by RGNC91-93 (CRS code 4749)."]]],
    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],
            REMARK["Replaces older systems IGN56 Lifou, IGN72 Grande Terre, ST87 Ouvea, IGN53 Mare, ST84 Ile des Pins, ST71 Belep and NEA74 Noumea. Replaced by RGNC15 (CRS 10310). See CRS code 10307 for alternate system with axes reversed used by DITTT for GIS purposes."]]],
    ABRIDGEDTRANSFORMATION["NEA74 Noumea to RGNC91-93 (3)",
        METHOD["Geocentric translations (geog2D domain) by grid (IGN)",
            ID["EPSG",1087]],
        PARAMETERFILE["Geocentric translation file","gr3dnc03a.mnt"],
        USAGE[
            SCOPE["Transformation of coordinates at 0.1m level of accuracy."],
            AREA["New Caledonia - Grande Terre - Noumea district."],
            BBOX[-22.37,166.35,-22.19,166.54]],
        ID["EPSG",9328],
        REMARK["Developed in July 2002 and officially adopted in August 2005. May be emulated using NTv2 method - see RGNC91-93 to NEA74 Noumea (4) (code 1295)."]]]

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
        },
        "remarks": "Replaced by RGNC91-93 (CRS code 4749)."
    },
    "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
        },
        "remarks": "Replaces older systems IGN56 Lifou, IGN72 Grande Terre, ST87 Ouvea, IGN53 Mare, ST84 Ile des Pins, ST71 Belep and NEA74 Noumea. Replaced by RGNC15 (CRS 10310). See CRS code 10307 for alternate system with axes reversed used by DITTT for GIS purposes."
    },
    "transformation": {
        "name": "NEA74 Noumea to RGNC91-93 (3)",
        "method": {
            "name": "Geocentric translations (geog2D domain) by grid (IGN)",
            "id": {
                "authority": "EPSG",
                "code": 1087
            }
        },
        "parameters": [
            {
                "name": "Geocentric translation file",
                "value": "gr3dnc03a.mnt",
                "id": {
                    "authority": "EPSG",
                    "code": 8727
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 9328
        }
    }
}

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>