EPSG:3727

Reunion 1947 / TM Reunion

Transform Get position on a map

Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks: Derived at 1 station. Accuracy 25m in each axis.

Information source: IGN (in 2005). Also U.S. National Imagery and Mapping Agency TR8350.2 revision of October 1997; http://earth-info.nga.mil/GandG/

Revision date: 2020-03-14

Attributes

Unit: metre

Geodetic CRS: Reunion 1947

Datum: Reunion 1947

Ellipsoid: International 1924

Prime meridian: Greenwich

Data source: EPSG

Information source: IGN Paris

Revision date: 2007-03-13

Scope: Engineering survey, topographic mapping.

Remarks: Replaces Reunion 1947 / Gauss Laborde Reunion (alias Piton des Neiges / Gauss Laborde Reunion). Replaced by RGR92 / UTM zone 40S (CRS code 2975).

Area of use: Reunion - onshore.

Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.

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SimpleMap

Center coordinates
160787.15 51562.94

Projected bounds:
121749.22 17746.24
199825.78 85331.54

WGS84 bounds:
55.16 -21.42
55.91 -20.81

Reunion - onshore.
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Definition: OGC Well Known Text

PROJCS["Reunion 1947 / TM Reunion",
    GEOGCS["Reunion 1947",
        DATUM["Reunion_1947",
            SPHEROID["International 1924",6378388,297],
            TOWGS84[94,-948,-1262,0,0,0,0]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4626"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",-21.1166666666667],
    PARAMETER["central_meridian",55.5333333333333],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",160000],
    PARAMETER["false_northing",50000],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","3727"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["Reunion 1947 / TM Reunion",
    BASEGEOGCRS["Reunion 1947",
        DATUM["Reunion 1947",
            ELLIPSOID["International 1924",6378388,297,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4626]],
    CONVERSION["TM Reunion",
        METHOD["Transverse Mercator",
            ID["EPSG",9807]],
        PARAMETER["Latitude of natural origin",-21.1166666666667,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",55.5333333333333,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",1,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",160000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",50000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["easting (X)",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["northing (Y)",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Engineering survey, topographic mapping."],
        AREA["Reunion - onshore."],
        BBOX[-21.42,55.16,-20.81,55.91]],
    ID["EPSG",3727]]

Definition: ESRI Well Known Text

PROJCS["Reunion_1947_TM_Reunion",
    GEOGCS["GCS_Reunion_1947",
        DATUM["D_Reunion_1947",
            SPHEROID["International_1924",6378388.0,297.0]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["False_Easting",160000.0],
    PARAMETER["False_Northing",50000.0],
    PARAMETER["Central_Meridian",55.5333333333333],
    PARAMETER["Scale_Factor",1.0],
    PARAMETER["Latitude_Of_Origin",-21.1166666666667],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=tmerc +lat_0=-21.1166666666667 +lon_0=55.5333333333333 +k=1 +x_0=160000 +y_0=50000 +ellps=intl +towgs84=94,-948,-1262,0,0,0,0 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:3727","+proj=tmerc +lat_0=-21.1166666666667 +lon_0=55.5333333333333 +k=1 +x_0=160000 +y_0=50000 +ellps=intl +towgs84=94,-948,-1262,0,0,0,0 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "Reunion 1947 / TM Reunion",
    "base_crs": {
        "name": "Reunion 1947",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Reunion 1947",
            "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": 4626
        }
    },
    "conversion": {
        "name": "TM Reunion",
        "method": {
            "name": "Transverse Mercator",
            "id": {
                "authority": "EPSG",
                "code": 9807
            }
        },
        "parameters": [
            {
                "name": "Latitude of natural origin",
                "value": -21.1166666666667,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8801
                }
            },
            {
                "name": "Longitude of natural origin",
                "value": 55.5333333333333,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "Scale factor at natural origin",
                "value": 1,
                "unit": "unity",
                "id": {
                    "authority": "EPSG",
                    "code": 8805
                }
            },
            {
                "name": "False easting",
                "value": 160000,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8806
                }
            },
            {
                "name": "False northing",
                "value": 50000,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8807
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Easting",
                "abbreviation": "X",
                "direction": "east",
                "unit": "metre"
            },
            {
                "name": "Northing",
                "abbreviation": "Y",
                "direction": "north",
                "unit": "metre"
            }
        ]
    },
    "scope": "Engineering survey, topographic mapping.",
    "area": "Reunion - onshore.",
    "bbox": {
        "south_latitude": -21.42,
        "west_longitude": 55.16,
        "north_latitude": -20.81,
        "east_longitude": 55.91
    },
    "id": {
        "authority": "EPSG",
        "code": 3727
    }
}

Definition: GeoServer

3727=PROJCS["Reunion 1947 / TM Reunion",GEOGCS["Reunion 1947",DATUM["Reunion_1947",SPHEROID["International 1924",6378388,297],TOWGS84[94,-948,-1262,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4626"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",-21.1166666666667],PARAMETER["central_meridian",55.5333333333333],PARAMETER["scale_factor",1],PARAMETER["false_easting",160000],PARAMETER["false_northing",50000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3727"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=-21.1166666666667"
	"lon_0=55.5333333333333"
	"k=1"
	"x_0=160000"
	"y_0=50000"
	"ellps=intl"
	"towgs84=94,-948,-1262,0,0,0,0"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=-21.1166666666667 +lon_0=55.5333333333333 +k=1 +x_0=160000 +y_0=50000 +ellps=intl +towgs84=94,-948,-1262,0,0,0,0 +units=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=-21.1166666666667 +lon_0=55.5333333333333 +k=1 +x_0=160000 +y_0=50000 +ellps=intl +towgs84=94,-948,-1262,0,0,0,0 +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 3727, 'EPSG', 3727, '+proj=tmerc +lat_0=-21.1166666666667 +lon_0=55.5333333333333 +k=1 +x_0=160000 +y_0=50000 +ellps=intl +towgs84=94,-948,-1262,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["Reunion 1947 / TM Reunion",GEOGCS["Reunion 1947",DATUM["Reunion_1947",SPHEROID["International 1924",6378388,297],TOWGS84[94,-948,-1262,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4626"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",-21.1166666666667],PARAMETER["central_meridian",55.5333333333333],PARAMETER["scale_factor",1],PARAMETER["false_easting",160000],PARAMETER["false_northing",50000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3727"]]');