EPSG:7039

RGM04 (lon-lat)

Transform Get position on a map

Available transformations
to EPSG:10671
EPSG:10671 - RGM23

Selected transformation

Name: RGM04 to RGM23 (2)

Method: Geocentric translation by Grid Interpolation (IGN)

Grid Files: RGM04versRGM23.txt

Remarks:

Information source: Institut National de l'Information Géographique et Forestière (IGN), France. https://www.ign.fr

Revision date: 2024-10-29

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: RGM04

Datum: Reseau Geodesique de Mayotte 2004

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: IGN Paris.

Revision date: 2024-10-29

Scope: GIS.

Remarks: Replaces Combani 1950. Replaced by RGM23 (lon-lat) from 2023-01-01 except for cadastral purposes which use Cadastre 1997. See CRS code 4470 for system with axes in sequence lat-lon to be used for air, land and sea navigation and safety of life purposes.

Area of use: Mayotte - onshore and offshore.

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

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Center coordinates
inf inf

WGS84 bounds:
43.68 -14.49
46.7 -11.33

Mayotte - onshore and offshore.
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Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        GEOGCRS["RGM04 (lon-lat)",
            DATUM["Reseau Geodesique de Mayotte 2004",
                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["Mayotte - onshore and offshore."],
                BBOX[-14.49,43.68,-11.33,46.7]],
            ID["EPSG",7039]]],
    TARGETCRS[
        GEOGCRS["RGM23",
            DATUM["Mayotte Geodetic Reference Frame 2023",
                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["Horizontal component of 3D system."],
                AREA["Mayotte - onshore and offshore."],
                BBOX[-14.49,43.68,-11.33,46.7]],
            ID["EPSG",10671]]],
    ABRIDGEDTRANSFORMATION["RGM04 to RGM23 (2)",
        METHOD["Geocentric translation by Grid Interpolation (IGN)",
            ID["EPSG",1087]],
        PARAMETERFILE["Geocentric translation file","RGM04versRGM23.txt"],
        USAGE[
            SCOPE["Geodesy, engineering survey, topographic mapping."],
            AREA["Mayotte - onshore and offshore."],
            BBOX[-14.49,43.68,-11.33,46.7]],
        ID["EPSG",10683]]]

Definition: PROJ.4

+proj=longlat +ellps=GRS80 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:7039","+proj=longlat +ellps=GRS80 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "GeographicCRS",
        "name": "RGM04 (lon-lat)",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Reseau Geodesique de Mayotte 2004",
            "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": 7039
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "RGM23",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Mayotte Geodetic Reference Frame 2023",
            "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": 10671
        }
    },
    "transformation": {
        "name": "RGM04 to RGM23 (2)",
        "source_crs": {
            "type": "GeographicCRS",
            "name": "RGM04",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "Reseau Geodesique de Mayotte 2004",
                "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": 4470
            }
        },
        "method": {
            "name": "Geocentric translation by Grid Interpolation (IGN)",
            "id": {
                "authority": "EPSG",
                "code": 1087
            }
        },
        "parameters": [
            {
                "name": "Geocentric translation file",
                "value": "RGM04versRGM23.txt",
                "id": {
                    "authority": "EPSG",
                    "code": 8727
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 10683
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=GRS80"
	"no_defs"
	"type=crs"
END

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>