Geocentric translations (geog2D domain)
Derived at fundamental point Szolohegy and tested at 99 stations throughout Hungary. Accuracy better than 1m in all three dimensions throughout Hungary. OGP recommends use of newer transformation (tfm code 1242) in preference to this transformation.
Timar, Molnar and Pasztor; Eotvos University, in Geodezia es Kartografia 54(1) pp11-16. www.fomi.hu/internet/magyar/szaklap/geodkart.htm
2020-03-14
Engineering survey, topographic mapping.
Cartesian 2D CS. Axes: easting, northing (Y,X). Orientations: east, north. UoM: m.
Definition: OGC Well Known Text
PROJCS["HD72 / EOV", GEOGCS["HD72", DATUM["Hungarian_Datum_1972", SPHEROID["GRS 1967",6378160,298.247167427], TOWGS84[57.01,-69.97,-9.29,0,0,0,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], 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, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","23700"]]
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ 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]]], TARGETCRS[ GEOGCRS["WGS 84", ENSEMBLE["World Geodetic System 1984 ensemble", MEMBER["World Geodetic System 1984 (Transit)"], MEMBER["World Geodetic System 1984 (G730)"], MEMBER["World Geodetic System 1984 (G873)"], MEMBER["World Geodetic System 1984 (G1150)"], MEMBER["World Geodetic System 1984 (G1674)"], MEMBER["World Geodetic System 1984 (G1762)"], MEMBER["World Geodetic System 1984 (G2139)"], ELLIPSOID["WGS 84",6378137,298.257223563, LENGTHUNIT["metre",1]], ENSEMBLEACCURACY[2.0]], 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["Horizontal component of 3D system."], AREA["World."], BBOX[-90,-180,90,180]], ID["EPSG",4326]]], ABRIDGEDTRANSFORMATION["Transformation from unknown to WGS84", METHOD["Position Vector transformation (geog2D domain)", ID["EPSG",9606]], PARAMETER["X-axis translation",57.01, ID["EPSG",8605]], PARAMETER["Y-axis translation",-69.97, ID["EPSG",8606]], PARAMETER["Z-axis translation",-9.29, ID["EPSG",8607]], PARAMETER["X-axis rotation",0, ID["EPSG",8608]], PARAMETER["Y-axis rotation",0, ID["EPSG",8609]], PARAMETER["Z-axis rotation",0, ID["EPSG",8610]], PARAMETER["Scale difference",1, ID["EPSG",8611]]]]
Definition: ESRI Well Known Text
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/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "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" } ] }, "id": { "authority": "EPSG", "code": 23700 } }, "target_crs": { "type": "GeographicCRS", "name": "WGS 84", "datum_ensemble": { "name": "World Geodetic System 1984 ensemble", "members": [ { "name": "World Geodetic System 1984 (Transit)", "id": { "authority": "EPSG", "code": 1166 } }, { "name": "World Geodetic System 1984 (G730)", "id": { "authority": "EPSG", "code": 1152 } }, { "name": "World Geodetic System 1984 (G873)", "id": { "authority": "EPSG", "code": 1153 } }, { "name": "World Geodetic System 1984 (G1150)", "id": { "authority": "EPSG", "code": 1154 } }, { "name": "World Geodetic System 1984 (G1674)", "id": { "authority": "EPSG", "code": 1155 } }, { "name": "World Geodetic System 1984 (G1762)", "id": { "authority": "EPSG", "code": 1156 } }, { "name": "World Geodetic System 1984 (G2139)", "id": { "authority": "EPSG", "code": 1309 } } ], "ellipsoid": { "name": "WGS 84", "semi_major_axis": 6378137, "inverse_flattening": 298.257223563 }, "accuracy": "2.0", "id": { "authority": "EPSG", "code": 6326 } }, "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": 4326 } }, "transformation": { "name": "Transformation from unknown to WGS84", "method": { "name": "Position Vector transformation (geog2D domain)", "id": { "authority": "EPSG", "code": 9606 } }, "parameters": [ { "name": "X-axis translation", "value": 57.01, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": -69.97, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -9.29, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": 0, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": 0, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": 0, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": 0, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } } ] } }
Definition: GeoServer
23700=PROJCS["HD72 / EOV",GEOGCS["HD72",DATUM["Hungarian_Datum_1972",SPHEROID["GRS 1967",6378160,298.247167427],TOWGS84[57.01,-69.97,-9.29,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],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,AUTHORITY["EPSG","9001"]],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=57.01,-69.97,-9.29,0,0,0,0 +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=57.01,-69.97,-9.29,0,0,0,0 +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=57.01,-69.97,-9.29,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["HD72 / EOV",GEOGCS["HD72",DATUM["Hungarian_Datum_1972",SPHEROID["GRS 1967",6378160,298.247167427],TOWGS84[57.01,-69.97,-9.29,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],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,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","23700"]]');