EPSG:4237

HD72

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

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks: Parameter value error in info source Hungarian text but correct in English summary. Replaces HD72 to WGS 84 (2) (code 1831).

Information source: Timar and Molnar in Geodezia es Kartografia 56(4):9-13.

Revision date: 2020-03-14

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: HD72

Datum: Hungarian Datum 1972

Ellipsoid: GRS 1967

Prime meridian: Greenwich

Data source: EPSG

Revision date: 2008-08-02

Scope: Geodesy.

Remarks: Replaced HD1909 (EPSG CRS code 3819).

Area of use: Hungary.

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

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Center coordinates
19.51 47.16

WGS84 bounds:
16.11 45.74
22.9 48.58

Hungary.
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Definition: OGC Well Known Text

GEOGCS["HD72",
    DATUM["Hungarian_Datum_1972",
        SPHEROID["GRS 1967",6378160,298.247167427],
        TOWGS84[52.17,-71.82,-14.9,0,0,0,0]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4237"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["HD72",
    DATUM["Hungarian Datum 1972",
        ELLIPSOID["GRS 1967",6378160,298.247167427,
            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["Hungary."],
        BBOX[45.74,16.11,48.58,22.9]],
    ID["EPSG",4237]]

Definition: ESRI Well Known Text

GEOGCS["GCS_Hungarian_1972",
    DATUM["D_Hungarian_1972",
        SPHEROID["GRS_1967",6378160.0,298.247167427]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +ellps=GRS67 +towgs84=52.17,-71.82,-14.9,0,0,0,0 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4237","+proj=longlat +ellps=GRS67 +towgs84=52.17,-71.82,-14.9,0,0,0,0 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "HD72",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Hungarian Datum 1972",
        "ellipsoid": {
            "name": "GRS 1967",
            "semi_major_axis": 6378160,
            "inverse_flattening": 298.247167427
        }
    },
    "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": "Hungary.",
    "bbox": {
        "south_latitude": 45.74,
        "west_longitude": 16.11,
        "north_latitude": 48.58,
        "east_longitude": 22.9
    },
    "id": {
        "authority": "EPSG",
        "code": 4237
    }
}

Definition: GeoServer

4237=GEOGCS["HD72",DATUM["Hungarian_Datum_1972",SPHEROID["GRS 1967",6378160,298.247167427],TOWGS84[52.17,-71.82,-14.9,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4237"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=GRS67"
	"towgs84=52.17,-71.82,-14.9,0,0,0,0"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=GRS67 +towgs84=52.17,-71.82,-14.9,0,0,0,0 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=GRS67 +towgs84=52.17,-71.82,-14.9,0,0,0,0 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4237, 'EPSG', 4237, '+proj=longlat +ellps=GRS67 +towgs84=52.17,-71.82,-14.9,0,0,0,0 +no_defs +type=crs', 'GEOGCS["HD72",DATUM["Hungarian_Datum_1972",SPHEROID["GRS 1967",6378160,298.247167427],TOWGS84[52.17,-71.82,-14.9,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4237"]]');