EPSG:4637

Perroud 1950

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

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks:

Information source: IGN Paris.

Revision date: 2020-03-14

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: Perroud 1950

Datum: Pointe Geologie Perroud 1950

Ellipsoid: International 1924

Prime meridian: Greenwich

Data source: EPSG

Information source: IGN Paris.

Revision date: 2015-05-22

Center coordinates
139.01 -66.37

WGS84 bounds:
136.0 -67.13
142.0 -65.61

Antarctica - Adelie Land - coastal area between 136°E and 142°E.
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Definition: Well Known Text (WKT)

GEOGCS["Perroud 1950",
    DATUM["Pointe_Geologie_Perroud_1950",
        SPHEROID["International 1924",6378388,297],
        TOWGS84[325,154,172,0,0,0,0]],
    PRIMEM["Greenwich",0],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4637"]]

Definition: ESRI WKT

GEOGCS["GCS_Pointe_Geologie_Perroud_1950",DATUM["D_Pointe_Geologie_Perroud_1950",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +ellps=intl +towgs84=325,154,172,0,0,0,0 +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:4637","+proj=longlat +ellps=intl +towgs84=325,154,172,0,0,0,0 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "Perroud 1950",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Pointe Geologie Perroud 1950",
        "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"
            }
        ]
    },
    "scope": "Geodesy.",
    "area": "Antarctica - Adelie Land - coastal area between 136°E and 142°E.",
    "bbox": {
        "south_latitude": -67.13,
        "west_longitude": 136,
        "north_latitude": -65.61,
        "east_longitude": 142
    },
    "id": {
        "authority": "EPSG",
        "code": 4637
    }
}

Definition: GeoServer

4637=GEOGCS["Perroud 1950",DATUM["Pointe_Geologie_Perroud_1950",SPHEROID["International 1924",6378388,297],TOWGS84[325,154,172,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4637"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=intl"
	"towgs84=325,154,172,0,0,0,0"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=intl +towgs84=325,154,172,0,0,0,0 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=intl +towgs84=325,154,172,0,0,0,0 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4637, 'EPSG', 4637, '+proj=longlat +ellps=intl +towgs84=325,154,172,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Perroud 1950",DATUM["Pointe_Geologie_Perroud_1950",SPHEROID["International 1924",6378388,297],TOWGS84[325,154,172,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4637"]]');

Definition: OGC WKT

GEOGCS["Perroud 1950",DATUM["Pointe_Geologie_Perroud_1950",SPHEROID["International 1924",6378388,297],TOWGS84[325,154,172,0,0,0,0]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4637"]]

Definition: OGC WKT 2 (2019)

GEOGCRS["Perroud 1950",DATUM["Pointe Geologie Perroud 1950",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["Antarctica - Adelie Land - coastal area between 136°E and 142°E."],BBOX[-67.13,136,-65.61,142]],ID["EPSG",4637]]