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
Unit: metre
Geodetic CRS: HD72
Datum: Hungarian Datum 1972
Ellipsoid: GRS 1967
Prime meridian: Greenwich
Data source: EPSG
Revision date: 1997-07-22
Scope: Engineering survey, topographic mapping.
Area of use: Hungary.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (Y,X). Orientations: east, north. UoM: m.
Center coordinates
684692.78 201865.84
Projected bounds:
421391.21 48212.58
934220.63 366660.88
WGS84 bounds:
16.11 45.74
22.9 48.58
Definition: Well Known Text (WKT)
PROJCS["HD72 / EOV", 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], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4237"]], PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"], PARAMETER["latitude_of_center",47.1443937222222], PARAMETER["longitude_of_center",19.0485717777778], PARAMETER["azimuth",90], PARAMETER["rectified_grid_angle",90], PARAMETER["scale_factor",0.99993], PARAMETER["false_easting",650000], PARAMETER["false_northing",200000], UNIT["metre",1], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","23700"]]
Definition: ESRI WKT
PROJCS["Hungarian_1972_Egyseges_Orszagos_Vetuleti",GEOGCS["GCS_Hungarian_1972",DATUM["D_Hungarian_1972",SPHEROID["GRS_1967",6378160.0,298.247167427]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"],PARAMETER["False_Easting",650000.0],PARAMETER["False_Northing",200000.0],PARAMETER["Scale_Factor",0.99993],PARAMETER["Azimuth",90.0],PARAMETER["Longitude_Of_Center",19.0485717777778],PARAMETER["Latitude_Of_Center",47.1443937222222],UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json", "type": "ProjectedCRS", "name": "HD72 / EOV", "base_crs": { "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" } ] }, "id": { "authority": "EPSG", "code": 4237 } }, "conversion": { "name": "Egyseges Orszagos Vetuleti", "method": { "name": "Hotine Oblique Mercator (variant B)", "id": { "authority": "EPSG", "code": 9815 } }, "parameters": [ { "name": "Latitude of projection centre", "value": 47.1443937222222, "unit": "degree", "id": { "authority": "EPSG", "code": 8811 } }, { "name": "Longitude of projection centre", "value": 19.0485717777778, "unit": "degree", "id": { "authority": "EPSG", "code": 8812 } }, { "name": "Azimuth of initial line", "value": 90, "unit": "degree", "id": { "authority": "EPSG", "code": 8813 } }, { "name": "Angle from Rectified to Skew Grid", "value": 90, "unit": "degree", "id": { "authority": "EPSG", "code": 8814 } }, { "name": "Scale factor on initial line", "value": 0.99993, "unit": "unity", "id": { "authority": "EPSG", "code": 8815 } }, { "name": "Easting at projection centre", "value": 650000, "unit": "metre", "id": { "authority": "EPSG", "code": 8816 } }, { "name": "Northing at projection centre", "value": 200000, "unit": "metre", "id": { "authority": "EPSG", "code": 8817 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "Y", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "X", "direction": "north", "unit": "metre" } ] }, "scope": "Engineering survey, topographic mapping.", "area": "Hungary.", "bbox": { "south_latitude": 45.74, "west_longitude": 16.11, "north_latitude": 48.58, "east_longitude": 22.9 }, "id": { "authority": "EPSG", "code": 23700 } }
Definition: GeoServer
23700=PROJCS["HD72 / EOV",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],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4237"]],PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"],PARAMETER["latitude_of_center",47.1443937222222],PARAMETER["longitude_of_center",19.0485717777778],PARAMETER["azimuth",90],PARAMETER["rectified_grid_angle",90],PARAMETER["scale_factor",0.99993],PARAMETER["false_easting",650000],PARAMETER["false_northing",200000],UNIT["metre",1],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","23700"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=somerc +lat_0=47.1443937222222 +lon_0=19.0485717777778 +k_0=0.99993 +x_0=650000 +y_0=200000 +ellps=GRS67 +towgs84=52.17,-71.82,-14.9,0,0,0,0 +units=m +no_defs +type=crs"> <Layer srs="+proj=somerc +lat_0=47.1443937222222 +lon_0=19.0485717777778 +k_0=0.99993 +x_0=650000 +y_0=200000 +ellps=GRS67 +towgs84=52.17,-71.82,-14.9,0,0,0,0 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 23700, 'EPSG', 23700, '+proj=somerc +lat_0=47.1443937222222 +lon_0=19.0485717777778 +k_0=0.99993 +x_0=650000 +y_0=200000 +ellps=GRS67 +towgs84=52.17,-71.82,-14.9,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["HD72 / EOV",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],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4237"]],PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"],PARAMETER["latitude_of_center",47.1443937222222],PARAMETER["longitude_of_center",19.0485717777778],PARAMETER["azimuth",90],PARAMETER["rectified_grid_angle",90],PARAMETER["scale_factor",0.99993],PARAMETER["false_easting",650000],PARAMETER["false_northing",200000],UNIT["metre",1],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","23700"]]');
Definition: OGC WKT
PROJCS["HD72 / EOV",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],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4237"]],PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"],PARAMETER["latitude_of_center",47.1443937222222],PARAMETER["longitude_of_center",19.0485717777778],PARAMETER["azimuth",90],PARAMETER["rectified_grid_angle",90],PARAMETER["scale_factor",0.99993],PARAMETER["false_easting",650000],PARAMETER["false_northing",200000],UNIT["metre",1],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","23700"]]
Definition: OGC WKT 2 (2019)
PROJCRS["HD72 / EOV",BASEGEOGCRS["HD72",DATUM["Hungarian Datum 1972",ELLIPSOID["GRS 1967",6378160,298.247167427,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4237]],CONVERSION["Egyseges Orszagos Vetuleti",METHOD["Hotine Oblique Mercator (variant B)",ID["EPSG",9815]],PARAMETER["Latitude of projection centre",47.1443937222222,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8811]],PARAMETER["Longitude of projection centre",19.0485717777778,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8812]],PARAMETER["Azimuth of initial line",90,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8813]],PARAMETER["Angle from Rectified to Skew Grid",90,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8814]],PARAMETER["Scale factor on initial line",0.99993,SCALEUNIT["unity",1],ID["EPSG",8815]],PARAMETER["Easting at projection centre",650000,LENGTHUNIT["metre",1],ID["EPSG",8816]],PARAMETER["Northing at projection centre",200000,LENGTHUNIT["metre",1],ID["EPSG",8817]]],CS[Cartesian,2],AXIS["easting (Y)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["northing (X)",north,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Engineering survey, topographic mapping."],AREA["Hungary."],BBOX[45.74,16.11,48.58,22.9]],ID["EPSG",23700]]