EPSG:4657

Reykjavik 1900

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Available transformations
to EPSG:4326
No other targets exist for this CRS

  • Iceland - mainland. , accuracy 10.0 m, code 1994 (default) [3]

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks:

Information source: Landmaelingar Islands (National Land Survey of Iceland).

Revision date: 2020-03-14

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: Reykjavik 1900

Datum: Reykjavik 1900

Ellipsoid: Danish 1876

Prime meridian: Greenwich

Data source: EPSG

Information source: Landmaelingar Islands (National Survey of Iceland).

Revision date: 2004-01-06

Scope: Geodesy.

Remarks: See ellipsoid remarks.

Area of use: Iceland - mainland.

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

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Center coordinates
-19.02 64.96

WGS84 bounds:
-24.66 63.34
-13.38 66.59

Iceland - mainland.
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Definition: OGC Well Known Text

GEOGCS["Reykjavik 1900",
    DATUM["Reykjavik_1900",
        SPHEROID["Danish 1876",6377019.27,300],
        TOWGS84[-28,199,5,0,0,0,0]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4657"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["Reykjavik 1900",
    DATUM["Reykjavik 1900",
        ELLIPSOID["Danish 1876",6377019.27,300,
            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["Iceland - mainland."],
        BBOX[63.34,-24.66,66.59,-13.38]],
    ID["EPSG",4657]]

Definition: ESRI Well Known Text

GEOGCS["GCS_Reykjavik_1900",
    DATUM["D_Reykjavik_1900",
        SPHEROID["Danish_1876",6377019.27,300.0]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +a=6377019.27 +rf=300 +towgs84=-28,199,5,0,0,0,0 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4657","+proj=longlat +a=6377019.27 +rf=300 +towgs84=-28,199,5,0,0,0,0 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "Reykjavik 1900",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Reykjavik 1900",
        "ellipsoid": {
            "name": "Danish 1876",
            "semi_major_axis": 6377019.27,
            "inverse_flattening": 300
        }
    },
    "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": "Iceland - mainland.",
    "bbox": {
        "south_latitude": 63.34,
        "west_longitude": -24.66,
        "north_latitude": 66.59,
        "east_longitude": -13.38
    },
    "id": {
        "authority": "EPSG",
        "code": 4657
    }
}

Definition: GeoServer

4657=GEOGCS["Reykjavik 1900",DATUM["Reykjavik_1900",SPHEROID["Danish 1876",6377019.27,300],TOWGS84[-28,199,5,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4657"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"a=6377019.27"
	"rf=300"
	"towgs84=-28,199,5,0,0,0,0"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +a=6377019.27 +rf=300 +towgs84=-28,199,5,0,0,0,0 +no_defs +type=crs">
	<Layer srs="+proj=longlat +a=6377019.27 +rf=300 +towgs84=-28,199,5,0,0,0,0 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4657, 'EPSG', 4657, '+proj=longlat +a=6377019.27 +rf=300 +towgs84=-28,199,5,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Reykjavik 1900",DATUM["Reykjavik_1900",SPHEROID["Danish 1876",6377019.27,300],TOWGS84[-28,199,5,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4657"]]');