EPSG:4157

Mount Dillon

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: Mount Dillon

Datum: Mount Dillon

Ellipsoid: Clarke 1858

Prime meridian: Greenwich

Data source: EPSG

Information source: University of the West Indies Geodetic Services.

Revision date: 2004-01-06

Scope: Geodesy.

Area of use: Trinidad and Tobago - Tobago - onshore.

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

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Center coordinates
-60.67 11.25

WGS84 bounds:
-60.9 11.08
-60.44 11.41

Trinidad and Tobago - Tobago - onshore.
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Definition: OGC Well Known Text

GEOGCS["Mount Dillon",
    DATUM["Mount_Dillon",
        SPHEROID["Clarke 1858",6378293.64520876,294.260676369261,
            AUTHORITY["EPSG","7007"]],
        AUTHORITY["EPSG","6157"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4157"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["Mount Dillon",
    DATUM["Mount Dillon",
        ELLIPSOID["Clarke 1858",20926348,294.260676369261,
            LENGTHUNIT["Clarke's foot",0.3047972654]]],
    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["Trinidad and Tobago - Tobago - onshore."],
        BBOX[11.08,-60.9,11.41,-60.44]],
    ID["EPSG",4157]]

Definition: ESRI Well Known Text

GEOGCS["GCS_Mount_Dillon",
    DATUM["D_Mount_Dillon",
        SPHEROID["Clarke_1858",6378293.64520876,294.260676369261]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +a=6378293.64520876 +b=6356617.98767984 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4157","+proj=longlat +a=6378293.64520876 +b=6356617.98767984 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "Mount Dillon",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Mount Dillon",
        "ellipsoid": {
            "name": "Clarke 1858",
            "semi_major_axis": {
                "value": 20926348,
                "unit": {
                    "type": "LinearUnit",
                    "name": "Clarke's foot",
                    "conversion_factor": 0.3047972654
                }
            },
            "semi_minor_axis": {
                "value": 20855233,
                "unit": {
                    "type": "LinearUnit",
                    "name": "Clarke's foot",
                    "conversion_factor": 0.3047972654
                }
            }
        }
    },
    "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": "Trinidad and Tobago - Tobago - onshore.",
    "bbox": {
        "south_latitude": 11.08,
        "west_longitude": -60.9,
        "north_latitude": 11.41,
        "east_longitude": -60.44
    },
    "id": {
        "authority": "EPSG",
        "code": 4157
    }
}

Definition: GeoServer

4157=GEOGCS["Mount Dillon",DATUM["Mount_Dillon",SPHEROID["Clarke 1858",6378293.64520876,294.260676369261,AUTHORITY["EPSG","7007"]],AUTHORITY["EPSG","6157"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4157"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"a=6378293.64520876"
	"b=6356617.98767984"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +a=6378293.64520876 +b=6356617.98767984 +no_defs +type=crs">
	<Layer srs="+proj=longlat +a=6378293.64520876 +b=6356617.98767984 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4157, 'EPSG', 4157, '+proj=longlat +a=6378293.64520876 +b=6356617.98767984 +no_defs +type=crs', 'GEOGCS["Mount Dillon",DATUM["Mount_Dillon",SPHEROID["Clarke 1858",6378293.64520876,294.260676369261,AUTHORITY["EPSG","7007"]],AUTHORITY["EPSG","6157"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4157"]]');