EPSG:23700

HD72 / EOV

Selected transformation

Method: Coordinate Frame rotation (geog2D domain)

Remarks: Parameter values taken from HD72 to ETRS89 (2) (code 1449) assuming that ETRS89 is equivalent to WGS 84 within the accuracy of the transformation. Replaces HD72 to WGS 84 (1) (code 1830).

Information source: Timar and Molnar, "Standardization problems of the HD72 to ETRS89 transformation" in Geodezia es Kartografia 54(12):28-30. www.fomi.hu/internet/magyar/szaklap/geodkart.htm

Revision date: 2020-03-14

Attributes

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
684691.95 201865.62

Projected bounds:
421389.96 48212.96
934220.24 366660.08

WGS84 bounds:
16.11 45.74
22.9 48.58

Hungary.
MapTiler banner

Definition: Well Known Text (WKT)

PROJCS["HD72 / EOV",
    GEOGCS["HD72",
        DATUM["Hungarian_Datum_1972",
            SPHEROID["GRS 1967",6378160,298.247167427],
            TOWGS84[52.684,-71.194,-13.975,0.312,0.1063,0.3729,1.01909999994]],
        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: PROJ.4

+proj=somerc +lat_0=47.1443937222222 +lon_0=19.0485717777778 +k_0=0.99993 +x_0=650000 +y_0=200000 +ellps=GRS67 +towgs84=52.684,-71.194,-13.975,0.312,0.1063,0.3729,1.01909999994376 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("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=52.684,-71.194,-13.975,0.312,0.1063,0.3729,1.01909999994376 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/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)"
                },
                {
                    "name": "World Geodetic System 1984 (G730)"
                },
                {
                    "name": "World Geodetic System 1984 (G873)"
                },
                {
                    "name": "World Geodetic System 1984 (G1150)"
                },
                {
                    "name": "World Geodetic System 1984 (G1674)"
                },
                {
                    "name": "World Geodetic System 1984 (G1762)"
                },
                {
                    "name": "World Geodetic System 1984 (G2139)"
                }
            ],
            "ellipsoid": {
                "name": "WGS 84",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257223563
            },
            "accuracy": "2.0"
        },
        "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": 52.684,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8605
                }
            },
            {
                "name": "Y-axis translation",
                "value": -71.194,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8606
                }
            },
            {
                "name": "Z-axis translation",
                "value": -13.975,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8607
                }
            },
            {
                "name": "X-axis rotation",
                "value": 0.312,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8608
                }
            },
            {
                "name": "Y-axis rotation",
                "value": 0.1063,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8609
                }
            },
            {
                "name": "Z-axis rotation",
                "value": 0.3729,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8610
                }
            },
            {
                "name": "Scale difference",
                "value": 1.01909999994376,
                "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[52.684,-71.194,-13.975,0.312,0.1063,0.3729,1.01909999994]],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: MapServer - MAPfile

PROJECTION
	"proj=somerc"
	"lat_0=47.1443937222222"
	"lon_0=19.0485717777778"
	"k_0=0.99993"
	"x_0=650000"
	"y_0=200000"
	"ellps=GRS67"
	"towgs84=52.684,-71.194,-13.975,0.312,0.1063,0.3729,1.01909999994376"
	"units=m"
	"no_defs"
	"type=crs"
END

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=52.684,-71.194,-13.975,0.312,0.1063,0.3729,1.01909999994376 +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=52.684,-71.194,-13.975,0.312,0.1063,0.3729,1.01909999994376 +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=52.684,-71.194,-13.975,0.312,0.1063,0.3729,1.01909999994376 +units=m +no_defs +type=crs', 'PROJCS["HD72 / EOV",GEOGCS["HD72",DATUM["Hungarian_Datum_1972",SPHEROID["GRS 1967",6378160,298.247167427],TOWGS84[52.684,-71.194,-13.975,0.312,0.1063,0.3729,1.01909999994]],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[52.684,-71.194,-13.975,0.312,0.1063,0.3729,1.01909999994]],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)

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",52.684,ID["EPSG",8605]],PARAMETER["Y-axis translation",-71.194,ID["EPSG",8606]],PARAMETER["Z-axis translation",-13.975,ID["EPSG",8607]],PARAMETER["X-axis rotation",0.312,ID["EPSG",8608]],PARAMETER["Y-axis rotation",0.1063,ID["EPSG",8609]],PARAMETER["Z-axis rotation",0.3729,ID["EPSG",8610]],PARAMETER["Scale difference",1.0000010191,ID["EPSG",8611]]]]