EPSG:9928

DB_REF2003 zone 2

Attributes

Geodetic CRS: DB_REF2003 zone 2

Data source: EPSG

Information source: Deutsche Bahn AG via Geo++, www.geopp.de

Revision date: 2021-12-30

Scope: Engineering survey and topographic mapping for railway applications.

Remarks: On the introduction of DB_REF2016 height, this compound CRS replaced by DB_REF2016 zone 2 (CRS code 9932).

Area of use: Germany - former West Germany onshore west of 7°30'E - states of Niedersachsen, Nordrhein-Westfalen, Rheinland-Pfalz, Saarland.

Center coordinates
2547302.6 5703042.11

Projected bounds:
2489822.68 5441421.4
2609558.15 5965373.28

WGS84 bounds:
5.86 49.11
7.5 53.81

Germany - former West Germany onshore west of 7°30'E - states of Niedersachsen, Nordrhein-Westfalen, Rheinland-Pfalz, Saarland.
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Definition: OGC Well Known Text

COMPD_CS["DB_REF2003 zone 2",
    PROJCS["DB_REF / 3-degree Gauss-Kruger zone 2 (E-N)",
        GEOGCS["DB_REF",
            DATUM["Deutsche_Bahn_Reference_System",
                SPHEROID["Bessel 1841",6377397.155,299.1528128,
                    AUTHORITY["EPSG","7004"]],
                AUTHORITY["EPSG","1081"]],
            PRIMEM["Greenwich",0,
                AUTHORITY["EPSG","8901"]],
            UNIT["degree",0.0174532925199433,
                AUTHORITY["EPSG","9122"]],
            AUTHORITY["EPSG","5681"]],
        PROJECTION["Transverse_Mercator"],
        PARAMETER["latitude_of_origin",0],
        PARAMETER["central_meridian",6],
        PARAMETER["scale_factor",1],
        PARAMETER["false_easting",2500000],
        PARAMETER["false_northing",0],
        UNIT["metre",1,
            AUTHORITY["EPSG","9001"]],
        AXIS["Easting",EAST],
        AXIS["Northing",NORTH],
        AUTHORITY["EPSG","5682"]],
    VERT_CS["GNTRANS height",
        VERT_DATUM["GNTRANS",2005,
            AUTHORITY["EPSG","1316"]],
        UNIT["metre",1,
            AUTHORITY["EPSG","9001"]],
        AXIS["Gravity-related height",UP],
        AUTHORITY["EPSG","9923"]],
    AUTHORITY["EPSG","9928"]]

Definition: OGC Well Known Text 2 (2019)

COMPOUNDCRS["DB_REF2003 zone 2",
    PROJCRS["DB_REF / 3-degree Gauss-Kruger zone 2 (E-N)",
        BASEGEOGCRS["DB_REF",
            DATUM["Deutsche Bahn Reference System",
                ELLIPSOID["Bessel 1841",6377397.155,299.1528128,
                    LENGTHUNIT["metre",1]]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]],
            ID["EPSG",5681]],
        CONVERSION["3-degree Gauss-Kruger zone 2",
            METHOD["Transverse Mercator",
                ID["EPSG",9807]],
            PARAMETER["Latitude of natural origin",0,
                ANGLEUNIT["degree",0.0174532925199433],
                ID["EPSG",8801]],
            PARAMETER["Longitude of natural origin",6,
                ANGLEUNIT["degree",0.0174532925199433],
                ID["EPSG",8802]],
            PARAMETER["Scale factor at natural origin",1,
                SCALEUNIT["unity",1],
                ID["EPSG",8805]],
            PARAMETER["False easting",2500000,
                LENGTHUNIT["metre",1],
                ID["EPSG",8806]],
            PARAMETER["False northing",0,
                LENGTHUNIT["metre",1],
                ID["EPSG",8807]]],
        CS[Cartesian,2],
            AXIS["(E)",east,
                ORDER[1],
                LENGTHUNIT["metre",1]],
            AXIS["(N)",north,
                ORDER[2],
                LENGTHUNIT["metre",1]]],
    VERTCRS["GNTRANS height",
        VDATUM["GNTRANS"],
        CS[vertical,1],
            AXIS["gravity-related height (H)",up,
                LENGTHUNIT["metre",1]]],
    USAGE[
        SCOPE["Engineering survey and topographic mapping for railway applications."],
        AREA["Germany - former West Germany onshore west of 7°30'E - states of Niedersachsen, Nordrhein-Westfalen, Rheinland-Pfalz, Saarland."],
        BBOX[49.11,5.86,53.81,7.5]],
    ID["EPSG",9928]]

Definition: ESRI Well Known Text

PROJCS["DB_REF_3-Degree_GK_Zone_2_(E-N)",
    GEOGCS["GCS_DB_REF",
        DATUM["D_Deutsche_Bahn_Reference_System",
            SPHEROID["Bessel_1841",6377397.155,299.1528128]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Gauss_Kruger"],
    PARAMETER["False_Easting",2500000.0],
    PARAMETER["False_Northing",0.0],
    PARAMETER["Central_Meridian",6.0],
    PARAMETER["Scale_Factor",1.0],
    PARAMETER["Latitude_Of_Origin",0.0],
    UNIT["Meter",1.0]],
VERTCS["GNTRANS_height",
    VDATUM["GNTRANS"],
    PARAMETER["Vertical_Shift",0.0],
    PARAMETER["Direction",1.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=tmerc +lat_0=0 +lon_0=6 +k=1 +x_0=2500000 +y_0=0 +ellps=bessel +units=m +vunits=m +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:9928","+proj=tmerc +lat_0=0 +lon_0=6 +k=1 +x_0=2500000 +y_0=0 +ellps=bessel +units=m +vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "CompoundCRS",
    "name": "DB_REF2003 zone 2",
    "components": [
        {
            "type": "ProjectedCRS",
            "name": "DB_REF / 3-degree Gauss-Kruger zone 2 (E-N)",
            "base_crs": {
                "name": "DB_REF",
                "datum": {
                    "type": "GeodeticReferenceFrame",
                    "name": "Deutsche Bahn Reference System",
                    "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": 5681
                }
            },
            "conversion": {
                "name": "3-degree Gauss-Kruger zone 2",
                "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": 6,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8802
                        }
                    },
                    {
                        "name": "Scale factor at natural origin",
                        "value": 1,
                        "unit": "unity",
                        "id": {
                            "authority": "EPSG",
                            "code": 8805
                        }
                    },
                    {
                        "name": "False easting",
                        "value": 2500000,
                        "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": "Easting",
                        "abbreviation": "E",
                        "direction": "east",
                        "unit": "metre"
                    },
                    {
                        "name": "Northing",
                        "abbreviation": "N",
                        "direction": "north",
                        "unit": "metre"
                    }
                ]
            }
        },
        {
            "type": "VerticalCRS",
            "name": "GNTRANS height",
            "datum": {
                "type": "VerticalReferenceFrame",
                "name": "GNTRANS"
            },
            "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                    {
                        "name": "Gravity-related height",
                        "abbreviation": "H",
                        "direction": "up",
                        "unit": "metre"
                    }
                ]
            }
        }
    ],
    "scope": "Engineering survey and topographic mapping for railway applications.",
    "area": "Germany - former West Germany onshore west of 7°30'E - states of Niedersachsen, Nordrhein-Westfalen, Rheinland-Pfalz, Saarland.",
    "bbox": {
        "south_latitude": 49.11,
        "west_longitude": 5.86,
        "north_latitude": 53.81,
        "east_longitude": 7.5
    },
    "id": {
        "authority": "EPSG",
        "code": 9928
    }
}

Definition: GeoServer

9928=COMPD_CS["DB_REF2003 zone 2",PROJCS["DB_REF / 3-degree Gauss-Kruger zone 2 (E-N)",GEOGCS["DB_REF",DATUM["Deutsche_Bahn_Reference_System",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],AUTHORITY["EPSG","1081"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","5681"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",6],PARAMETER["scale_factor",1],PARAMETER["false_easting",2500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","5682"]],VERT_CS["GNTRANS height",VERT_DATUM["GNTRANS",2005,AUTHORITY["EPSG","1316"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9923"]],AUTHORITY["EPSG","9928"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=0"
	"lon_0=6"
	"k=1"
	"x_0=2500000"
	"y_0=0"
	"ellps=bessel"
	"units=m"
	"vunits=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=0 +lon_0=6 +k=1 +x_0=2500000 +y_0=0 +ellps=bessel +units=m +vunits=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=0 +lon_0=6 +k=1 +x_0=2500000 +y_0=0 +ellps=bessel +units=m +vunits=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 9928, 'EPSG', 9928, '+proj=tmerc +lat_0=0 +lon_0=6 +k=1 +x_0=2500000 +y_0=0 +ellps=bessel +units=m +vunits=m +no_defs +type=crs', 'COMPD_CS["DB_REF2003 zone 2",PROJCS["DB_REF / 3-degree Gauss-Kruger zone 2 (E-N)",GEOGCS["DB_REF",DATUM["Deutsche_Bahn_Reference_System",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],AUTHORITY["EPSG","1081"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","5681"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",6],PARAMETER["scale_factor",1],PARAMETER["false_easting",2500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","5682"]],VERT_CS["GNTRANS height",VERT_DATUM["GNTRANS",2005,AUTHORITY["EPSG","1316"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9923"]],AUTHORITY["EPSG","9928"]]');