EPSG:31468

DHDN / 3-degree Gauss-Kruger zone 4

Selected transformation

Name: DHDN to ETRS89 (9)

Method: NTv2

Grid Files: BWTA2017.gsb

Remarks: Official transformation for the state of Baden-Württemberg. Used in ATKIS (Amtliches Topographisch-Kartographisches Informationssystem [Official Topographic and Cartographic Information System]).

Information source: Landesamt für Geoinformation und Landentwicklung - Baden-Württemberg (LGL).

Revision date: 2020-03-14

Attributes

Unit: metre

Geodetic CRS: DHDN

Datum: Deutsches Hauptdreiecksnetz

Ellipsoid: Bessel 1841

Prime meridian: Greenwich

Data source: EPSG

Information source: Bundesamt für Kartographie und Geodäsie via EuroGeographics; http://crs.bkg.bund.de/crs-eu/

Revision date: 2012-01-21

Scope: Cadastre, engineering survey, topographic mapping.

Remarks: Zone width 3 degrees. Also used offshore by State Geological Surveys. Not used offshore in oil industry. See CRS code 5678 for variant with axes order reversed to easting before northing for use in GIS applications.

Area of use: Germany - former West Germany onshore between 10°30'E and 13°30'E - states of Bayern, Berlin, Niedersachsen, Schleswig-Holstein.

Coordinate system: Cartesian 2D CS. Axes: northing, easting (X,Y). Orientations: north, east. UoM: m.

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Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        PROJCRS["DHDN / 3-degree Gauss-Kruger zone 4",
            BASEGEOGCRS["DHDN",
                DATUM["Deutsches Hauptdreiecksnetz",
                    ELLIPSOID["Bessel 1841",6377397.155,299.1528128,
                        LENGTHUNIT["metre",1]]],
                PRIMEM["Greenwich",0,
                    ANGLEUNIT["degree",0.0174532925199433]],
                ID["EPSG",4314]],
            CONVERSION["3-degree Gauss-Kruger zone 4",
                METHOD["Transverse Mercator",
                    ID["EPSG",9807]],
                PARAMETER["Latitude of natural origin",0,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8801]],
                PARAMETER["Longitude of natural origin",12,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8802]],
                PARAMETER["Scale factor at natural origin",1,
                    SCALEUNIT["unity",1],
                    ID["EPSG",8805]],
                PARAMETER["False easting",4500000,
                    LENGTHUNIT["metre",1],
                    ID["EPSG",8806]],
                PARAMETER["False northing",0,
                    LENGTHUNIT["metre",1],
                    ID["EPSG",8807]]],
            CS[Cartesian,2],
                AXIS["northing (X)",north,
                    ORDER[1],
                    LENGTHUNIT["metre",1]],
                AXIS["easting (Y)",east,
                    ORDER[2],
                    LENGTHUNIT["metre",1]],
            USAGE[
                SCOPE["Cadastre, engineering survey, topographic mapping."],
                AREA["Germany - former West Germany onshore between 10°30'E and 13°30'E - states of Bayern, Berlin, Niedersachsen, Schleswig-Holstein."],
                BBOX[47.39,10.5,54.59,13.51]],
            ID["EPSG",31468]]],
    TARGETCRS[
        GEOGCRS["ETRS89",
            ENSEMBLE["European Terrestrial Reference System 1989 ensemble",
                MEMBER["European Terrestrial Reference Frame 1989"],
                MEMBER["European Terrestrial Reference Frame 1990"],
                MEMBER["European Terrestrial Reference Frame 1991"],
                MEMBER["European Terrestrial Reference Frame 1992"],
                MEMBER["European Terrestrial Reference Frame 1993"],
                MEMBER["European Terrestrial Reference Frame 1994"],
                MEMBER["European Terrestrial Reference Frame 1996"],
                MEMBER["European Terrestrial Reference Frame 1997"],
                MEMBER["European Terrestrial Reference Frame 2000"],
                MEMBER["European Terrestrial Reference Frame 2005"],
                MEMBER["European Terrestrial Reference Frame 2014"],
                MEMBER["European Terrestrial Reference Frame 2020"],
                MEMBER["ETRS89-DNK"],
                MEMBER["Estonia 1997"],
                MEMBER["Albanian Geodetic Reference Frame 2010"],
                MEMBER["ETRS89-ALB [CORS]"],
                MEMBER["ETRS89-AUT [2002]"],
                MEMBER["Belgian Reference Frame 2002"],
                MEMBER["Belgian Reference Frame 2011"],
                MEMBER["BH_ETRS89"],
                MEMBER["Bulgaria Geodetic System 2005"],
                MEMBER["Croatian Terrestrial Reference System 1996"],
                MEMBER["AGRS2010 (ETRF2000)"],
                MEMBER["CROPOS"],
                MEMBER["ETRF2000 Poland"],
                MEMBER["ETRS89/DREF91 Realization 2016"],
                MEMBER["ETRS89/DREF91 Realization 2025"],
                MEMBER["ETRS89-CZE [2007]"],
                MEMBER["ETRS89-ESP [REGENTE]"],
                MEMBER["ETRS89-ESP [ERGNSS]"],
                MEMBER["ETRS89-FRO [2008]"],
                MEMBER["ETRS89-GRC [HTRS07]"],
                MEMBER["ETRS89-HUN [ETRF2000]"],
                MEMBER["ETRS89-IRE [ETRF2000]"],
                MEMBER["ETRS89-MKD [EUREF-MAK2010]"],
                MEMBER["ETRS89-NOR [EUREF89]"],
                MEMBER["ETRS89-PRT [1995]"],
                MEMBER["ETRS89-ROU [ETRF2000]"],
                MEMBER["ETRS89-SVK [SKTRF09]"],
                MEMBER["ETRS89-SVK [SKTRF2022]"],
                MEMBER["EUREF-FIN"],
                MEMBER["Istituto Geografico Militaire 1995"],
                MEMBER["Kosovo Reference System 2001"],
                MEMBER["Latvian geodetic coordinate system 1992"],
                MEMBER["Latvian coordinate system 2020"],
                MEMBER["Lithuania 1994 (ETRS89)"],
                MEMBER["MOLDREF99"],
                MEMBER["OSNet v2009"],
                MEMBER["Reseau Geodesique Francais 1993 v1"],
                MEMBER["Reseau Geodesique Francais 1993 v2"],
                MEMBER["Reseau Geodesique Francais 1993 v2b"],
                MEMBER["Rete Dinamica Nazionale 2008"],
                MEMBER["Serbian Reference Network 1998"],
                MEMBER["Serbian Spatial Reference System 2000"],
                MEMBER["Slovenia Geodetic Datum 1996"],
                MEMBER["SWEREF 99"],
                MEMBER["Swiss Terrestrial Reference Frame 1995"],
                ELLIPSOID["GRS 1980",6378137,298.257222101,
                    LENGTHUNIT["metre",1]],
                ENSEMBLEACCURACY[0.1]],
            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["Spatial referencing."],
                AREA["Europe - onshore and offshore: Albania; Andorra; Austria; Belgium; Bosnia and Herzegovina; Bulgaria; Croatia; Czechia; Denmark; Estonia; Faroe Islands; Finland; France; Germany; Gibraltar; Greece; Hungary; Ireland; Italy; Kosovo; Latvia; Liechtenstein; Lithuania; Luxembourg; Malta; Moldova; Monaco; Montenegro; Netherlands; North Macedonia; Norway including Svalbard and Jan Mayen; Poland; Portugal - mainland; Romania; San Marino; Serbia; Slovakia; Slovenia; Spain - mainland and Balearic islands; Sweden; Switzerland; United Kingdom (UK) including Channel Islands and Isle of Man; Vatican City State."],
                BBOX[33.26,-16.1,84.73,38.01]],
            ID["EPSG",4258],
            REMARK["Has been realized through ETRF89, ETRF90, ETRF91, ETRF92, ETRF93, ETRF94, ETRF96, ETRF97, ETRF2000, ETRF2005 and ETRF2014. This 'ensemble' covers any or all of these realizations without distinction."]]],
    ABRIDGEDTRANSFORMATION["DHDN to ETRS89 (9)",
        METHOD["NTv2",
            ID["EPSG",9615]],
        PARAMETERFILE["Latitude and longitude difference file","BWTA2017.gsb"],
        USAGE[
            SCOPE["Cadastre, engineering survey, topographic mapping (large scale)."],
            AREA["Germany - Baden-Wurttemberg."],
            BBOX[47.54,7.51,49.8,10.5]],
        ID["EPSG",9338],
        REMARK["Official transformation for the state of Baden-Württemberg. Used in ATKIS (Amtliches Topographisch-Kartographisches Informationssystem [Official Topographic and Cartographic Information System])."]]]

Definition: PROJ.4

+proj=tmerc +lat_0=0 +lon_0=12 +k=1 +x_0=4500000 +y_0=0 +ellps=bessel +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:31468","+proj=tmerc +lat_0=0 +lon_0=12 +k=1 +x_0=4500000 +y_0=0 +ellps=bessel +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "ProjectedCRS",
        "name": "DHDN / 3-degree Gauss-Kruger zone 4",
        "base_crs": {
            "type": "GeographicCRS",
            "name": "DHDN",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "Deutsches Hauptdreiecksnetz",
                "ellipsoid": {
                    "name": "Bessel 1841",
                    "semi_major_axis": 6377397.155,
                    "inverse_flattening": 299.1528128
                }
            },
            "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": 4314
            },
            "remarks": "See also RD/83 for Saxony and PD/83 for Thuringen. For national digital cartographic purposes used across all German states."
        },
        "conversion": {
            "name": "3-degree Gauss-Kruger zone 4",
            "method": {
                "name": "Transverse Mercator",
                "id": {
                    "authority": "EPSG",
                    "code": 9807
                }
            },
            "parameters": [
                {
                    "name": "Latitude of natural origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8801
                    }
                },
                {
                    "name": "Longitude of natural origin",
                    "value": 12,
                    "unit": "degree",
                    "id": {
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                        "code": 8802
                    }
                },
                {
                    "name": "Scale factor at natural origin",
                    "value": 1,
                    "unit": "unity",
                    "id": {
                        "authority": "EPSG",
                        "code": 8805
                    }
                },
                {
                    "name": "False easting",
                    "value": 4500000,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8806
                    }
                },
                {
                    "name": "False northing",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8807
                    }
                }
            ]
        },
        "coordinate_system": {
            "subtype": "Cartesian",
            "axis": [
                {
                    "name": "Northing",
                    "abbreviation": "X",
                    "direction": "north",
                    "unit": "metre"
                },
                {
                    "name": "Easting",
                    "abbreviation": "Y",
                    "direction": "east",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 31468
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "ETRS89",
        "datum_ensemble": {
            "name": "European Terrestrial Reference System 1989 ensemble",
            "members": [
                {
                    "name": "European Terrestrial Reference Frame 1989",
                    "id": {
                        "authority": "EPSG",
                        "code": 1178
                    }
                },
                {
                    "name": "European Terrestrial Reference Frame 1990",
                    "id": {
                        "authority": "EPSG",
                        "code": 1179
                    }
                },
                {
                    "name": "European Terrestrial Reference Frame 1991",
                    "id": {
                        "authority": "EPSG",
                        "code": 1180
                    }
                },
                {
                    "name": "European Terrestrial Reference Frame 1992",
                    "id": {
                        "authority": "EPSG",
                        "code": 1181
                    }
                },
                {
                    "name": "European Terrestrial Reference Frame 1993",
                    "id": {
                        "authority": "EPSG",
                        "code": 1182
                    }
                },
                {
                    "name": "European Terrestrial Reference Frame 1994",
                    "id": {
                        "authority": "EPSG",
                        "code": 1183
                    }
                },
                {
                    "name": "European Terrestrial Reference Frame 1996",
                    "id": {
                        "authority": "EPSG",
                        "code": 1184
                    }
                },
                {
                    "name": "European Terrestrial Reference Frame 1997",
                    "id": {
                        "authority": "EPSG",
                        "code": 1185
                    }
                },
                {
                    "name": "European Terrestrial Reference Frame 2000",
                    "id": {
                        "authority": "EPSG",
                        "code": 1186
                    }
                },
                {
                    "name": "European Terrestrial Reference Frame 2005",
                    "id": {
                        "authority": "EPSG",
                        "code": 1204
                    }
                },
                {
                    "name": "European Terrestrial Reference Frame 2014",
                    "id": {
                        "authority": "EPSG",
                        "code": 1206
                    }
                },
                {
                    "name": "European Terrestrial Reference Frame 2020",
                    "id": {
                        "authority": "EPSG",
                        "code": 1382
                    }
                },
                {
                    "name": "ETRS89-DNK",
                    "id": {
                        "authority": "EPSG",
                        "code": 1412
                    }
                },
                {
                    "name": "Estonia 1997",
                    "id": {
                        "authority": "EPSG",
                        "code": 6180
                    }
                },
                {
                    "name": "Albanian Geodetic Reference Frame 2010",
                    "id": {
                        "authority": "EPSG",
                        "code": 1429
                    }
                },
                {
                    "name": "ETRS89-ALB [CORS]",
                    "id": {
                        "authority": "EPSG",
                        "code": 1430
                    }
                },
                {
                    "name": "ETRS89-AUT [2002]",
                    "id": {
                        "authority": "EPSG",
                        "code": 1431
                    }
                },
                {
                    "name": "Belgian Reference Frame 2002",
                    "id": {
                        "authority": "EPSG",
                        "code": 1432
                    }
                },
                {
                    "name": "Belgian Reference Frame 2011",
                    "id": {
                        "authority": "EPSG",
                        "code": 1447
                    }
                },
                {
                    "name": "BH_ETRS89",
                    "id": {
                        "authority": "EPSG",
                        "code": 1358
                    }
                },
                {
                    "name": "Bulgaria Geodetic System 2005",
                    "id": {
                        "authority": "EPSG",
                        "code": 1167
                    }
                },
                {
                    "name": "Croatian Terrestrial Reference System 1996",
                    "id": {
                        "authority": "EPSG",
                        "code": 6761
                    }
                },
                {
                    "name": "AGRS2010 (ETRF2000)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1427
                    }
                },
                {
                    "name": "CROPOS",
                    "id": {
                        "authority": "EPSG",
                        "code": 1445
                    }
                },
                {
                    "name": "ETRF2000 Poland",
                    "id": {
                        "authority": "EPSG",
                        "code": 1305
                    }
                },
                {
                    "name": "ETRS89/DREF91 Realization 2016",
                    "id": {
                        "authority": "EPSG",
                        "code": 1353
                    }
                },
                {
                    "name": "ETRS89/DREF91 Realization 2025",
                    "id": {
                        "authority": "EPSG",
                        "code": 1446
                    }
                },
                {
                    "name": "ETRS89-CZE [2007]",
                    "id": {
                        "authority": "EPSG",
                        "code": 1433
                    }
                },
                {
                    "name": "ETRS89-ESP [REGENTE]",
                    "id": {
                        "authority": "EPSG",
                        "code": 1441
                    }
                },
                {
                    "name": "ETRS89-ESP [ERGNSS]",
                    "id": {
                        "authority": "EPSG",
                        "code": 1442
                    }
                },
                {
                    "name": "ETRS89-FRO [2008]",
                    "id": {
                        "authority": "EPSG",
                        "code": 1436
                    }
                },
                {
                    "name": "ETRS89-GRC [HTRS07]",
                    "id": {
                        "authority": "EPSG",
                        "code": 1437
                    }
                },
                {
                    "name": "ETRS89-HUN [ETRF2000]",
                    "id": {
                        "authority": "EPSG",
                        "code": 1444
                    }
                },
                {
                    "name": "ETRS89-IRE [ETRF2000]",
                    "id": {
                        "authority": "EPSG",
                        "code": 6173
                    }
                },
                {
                    "name": "ETRS89-MKD [EUREF-MAK2010]",
                    "id": {
                        "authority": "EPSG",
                        "code": 1438
                    }
                },
                {
                    "name": "ETRS89-NOR [EUREF89]",
                    "id": {
                        "authority": "EPSG",
                        "code": 1407
                    }
                },
                {
                    "name": "ETRS89-PRT [1995]",
                    "id": {
                        "authority": "EPSG",
                        "code": 1439
                    }
                },
                {
                    "name": "ETRS89-ROU [ETRF2000]",
                    "id": {
                        "authority": "EPSG",
                        "code": 1440
                    }
                },
                {
                    "name": "ETRS89-SVK [SKTRF09]",
                    "id": {
                        "authority": "EPSG",
                        "code": 1434
                    }
                },
                {
                    "name": "ETRS89-SVK [SKTRF2022]",
                    "id": {
                        "authority": "EPSG",
                        "code": 1435
                    }
                },
                {
                    "name": "EUREF-FIN",
                    "id": {
                        "authority": "EPSG",
                        "code": 1391
                    }
                },
                {
                    "name": "Istituto Geografico Militaire 1995",
                    "id": {
                        "authority": "EPSG",
                        "code": 6670
                    }
                },
                {
                    "name": "Kosovo Reference System 2001",
                    "id": {
                        "authority": "EPSG",
                        "code": 1251
                    }
                },
                {
                    "name": "Latvian geodetic coordinate system 1992",
                    "id": {
                        "authority": "EPSG",
                        "code": 6661
                    }
                },
                {
                    "name": "Latvian coordinate system 2020",
                    "id": {
                        "authority": "EPSG",
                        "code": 1356
                    }
                },
                {
                    "name": "Lithuania 1994 (ETRS89)",
                    "id": {
                        "authority": "EPSG",
                        "code": 6126
                    }
                },
                {
                    "name": "MOLDREF99",
                    "id": {
                        "authority": "EPSG",
                        "code": 1032
                    }
                },
                {
                    "name": "OSNet v2009",
                    "id": {
                        "authority": "EPSG",
                        "code": 1425
                    }
                },
                {
                    "name": "Reseau Geodesique Francais 1993 v1",
                    "id": {
                        "authority": "EPSG",
                        "code": 6171
                    }
                },
                {
                    "name": "Reseau Geodesique Francais 1993 v2",
                    "id": {
                        "authority": "EPSG",
                        "code": 1312
                    }
                },
                {
                    "name": "Reseau Geodesique Francais 1993 v2b",
                    "id": {
                        "authority": "EPSG",
                        "code": 1313
                    }
                },
                {
                    "name": "Rete Dinamica Nazionale 2008",
                    "id": {
                        "authority": "EPSG",
                        "code": 1132
                    }
                },
                {
                    "name": "Serbian Reference Network 1998",
                    "id": {
                        "authority": "EPSG",
                        "code": 1034
                    }
                },
                {
                    "name": "Serbian Spatial Reference System 2000",
                    "id": {
                        "authority": "EPSG",
                        "code": 1214
                    }
                },
                {
                    "name": "Slovenia Geodetic Datum 1996",
                    "id": {
                        "authority": "EPSG",
                        "code": 6765
                    }
                },
                {
                    "name": "SWEREF 99",
                    "id": {
                        "authority": "EPSG",
                        "code": 6619
                    }
                },
                {
                    "name": "Swiss Terrestrial Reference Frame 1995",
                    "id": {
                        "authority": "EPSG",
                        "code": 1449
                    }
                }
            ],
            "ellipsoid": {
                "name": "GRS 1980",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257222101
            },
            "accuracy": "0.1",
            "id": {
                "authority": "EPSG",
                "code": 6258
            }
        },
        "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": 4258
        },
        "remarks": "Has been realized through ETRF89, ETRF90, ETRF91, ETRF92, ETRF93, ETRF94, ETRF96, ETRF97, ETRF2000, ETRF2005 and ETRF2014. This 'ensemble' covers any or all of these realizations without distinction."
    },
    "transformation": {
        "name": "DHDN to ETRS89 (9)",
        "method": {
            "name": "NTv2",
            "id": {
                "authority": "EPSG",
                "code": 9615
            }
        },
        "parameters": [
            {
                "name": "Latitude and longitude difference file",
                "value": "BWTA2017.gsb",
                "id": {
                    "authority": "EPSG",
                    "code": 8656
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 9338
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=0"
	"lon_0=12"
	"k=1"
	"x_0=4500000"
	"y_0=0"
	"ellps=bessel"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=0 +lon_0=12 +k=1 +x_0=4500000 +y_0=0 +ellps=bessel +units=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=0 +lon_0=12 +k=1 +x_0=4500000 +y_0=0 +ellps=bessel +units=m +no_defs +type=crs">
	</Layer>
</Map>