EPSG:4644

NEA74 Noumea

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

Selected transformation

Name: NEA74 Noumea to RGNC91-93 (4)

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

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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 (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
        },
        "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 (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>