EPSG:23700 — HD72 / EOV

Projected · Hungary

Export Formats

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,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"]
]

WKT2

PROJCRS[
    "HD72 / EOV",
    BASEGEOGCRS[
        "HD72",
        DATUM[
            "Hungarian Datum 1972",
            ELLIPSOID[
                "GRS 1967",
                6378160,
                298.247167427,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7036]
            ],
            ID["EPSG",6237]
        ],
        ID["EPSG",4237]
    ],
    CONVERSION[
        "Egyseges Orszagos Vetuleti",
        METHOD["Hotine Oblique Mercator (variant B)",ID["EPSG",9815]],
        PARAMETER[
            "Latitude of projection centre",
            47.1443937222225,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8811]
        ],
        PARAMETER[
            "Longitude of projection centre",
            19.0485717777781,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8812]
        ],
        PARAMETER[
            "Azimuth at projection centre",
            90,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8813]
        ],
        PARAMETER[
            "Angle from Rectified to Skew Grid",
            90,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8814]
        ],
        PARAMETER[
            "Scale factor at projection centre",
            0.99993,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8815]
        ],
        PARAMETER[
            "Easting at projection centre",
            650000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8816]
        ],
        PARAMETER[
            "Northing at projection centre",
            200000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8817]
        ],
        ID["EPSG",19931]
    ],
    CS[Cartesian,2,ID["EPSG",4498]],
    AXIS["Easting (Y)",east],
    AXIS["Northing (X)",north],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",23700]
]

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=52.17,-71.82,-14.9,0,0,0,0 +units=m +no_defs +type=crs

Proj4js

How to add a projection to 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=52.17,-71.82,-14.9,0,0,0,0 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 23700,
  "name": "HD72 / EOV",
  "kind": "projected",
  "area": "Hungary",
  "unit": "metre",
  "bbox": [
    45.74,
    16.11,
    48.58,
    22.9
  ],
  "proj4": "+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"
}

PostGIS

How to add a projection to 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,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"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=somerc"
  "+lat_0=47.1443937222222"
  "+lon_0=19.0485717777778"
  "+k_0=0.99993"
  "+x_0=650000"
  "+y_0=200000"
  "+ellps=GRS67"
  "+towgs84=52.17,-71.82,-14.9,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to 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,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"]]

Related Coordinate Systems

Available Transformations (11)

Transformations inherited from base CRS: EPSG:4237 (HD72)

Transformation	Source → Target	Accuracy (m)
HD72 to ETRS89-HUN [ETRF2000] (1)	4237 → 11163	0.01
HD72 to ETRS89-HUN [ETRF2000] (2)	4237 → 11163	0.015
HD72 to ETRS89 (2)	4237 → 4258	0.4
HD72 to ETRS89 (1)	4237 → 4258	0.5
HD72 to WGS 84 (4)	4237 → 4326	1
HD72 to WGS 84 (3)	4237 → 4326	1
HD72 to WGS 84 (1)	4237 → 4326	1
HD72 to WGS 84 (2)	4237 → 4326	1
HD72 to ETRS89 (1) Deprecated	4237 → 4258	—
HD72 to WGS 84 (1) Deprecated	4237 → 4326	—

Other CRS for HU

Other CRS using Hungarian Datum 1972

Frequently Asked Questions

How do I add EPSG:23700 to GeoServer?

Add the following definition to your GeoServer configuration:

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,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"]]

Read the full GeoServer guide →

How do I add EPSG:23700 to PostGIS?

Add the following definition to your PostGIS configuration:

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,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"]]');

Read the full PostGIS guide →

How do I add EPSG:23700 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=somerc"
  "+lat_0=47.1443937222222"
  "+lon_0=19.0485717777778"
  "+k_0=0.99993"
  "+x_0=650000"
  "+y_0=200000"
  "+ellps=GRS67"
  "+towgs84=52.17,-71.82,-14.9,0,0,0,0"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:23700 with Proj4js?

Add the following definition to your Proj4js configuration:

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=52.17,-71.82,-14.9,0,0,0,0 +units=m +no_defs +type=crs");

Read the full Proj4js guide →