EPSG:4100 — ETRS89 / DKTM4 + DVR90 height

Compound · Denmark - onshore Bornholm

Export Formats

OGC WKT

COMPD_CS[
    "ETRS89 / DKTM4 + DVR90 height",
    PROJCS[
        "ETRS89 / DKTM4",
        GEOGCS[
            "ETRS89",
            DATUM[
                "European_Terrestrial_Reference_System_1989",
                SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],
                AUTHORITY["EPSG","6258"]
            ],
            PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
            UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
            AUTHORITY["EPSG","4258"]
        ],
        PROJECTION["Transverse_Mercator"],
        PARAMETER["latitude_of_origin",0],
        PARAMETER["central_meridian",15],
        PARAMETER["scale_factor",1],
        PARAMETER["false_easting",800000],
        PARAMETER["false_northing",-5000000],
        UNIT["metre",1,AUTHORITY["EPSG","9001"]],
        AXIS["Easting",EAST],
        AXIS["Northing",NORTH],
        AUTHORITY["EPSG","4096"]
    ],
    VERT_CS[
        "DVR90 height",
        VERT_DATUM["Dansk Vertikal Reference 1990",2005,AUTHORITY["EPSG","5206"]],
        UNIT["metre",1,AUTHORITY["EPSG","9001"]],
        AXIS["Gravity-related height",UP],
        AUTHORITY["EPSG","5799"]
    ],
    AUTHORITY["EPSG","4100"]
]

WKT2

COMPOUNDCRS[
    "ETRS89 / DKTM4 + DVR90 height",
    PROJCRS[
        "ETRS89 / DKTM4",
        BASEGEOGCRS[
            "ETRS89",
            ENSEMBLE[
                "European Terrestrial Reference System 1989 ensemble",
                MEMBER["European Terrestrial Reference Frame 1989",ID["EPSG",1178]],
                MEMBER["European Terrestrial Reference Frame 1990",ID["EPSG",1179]],
                MEMBER["European Terrestrial Reference Frame 1991",ID["EPSG",1180]],
                MEMBER["European Terrestrial Reference Frame 1992",ID["EPSG",1181]],
                MEMBER["European Terrestrial Reference Frame 1993",ID["EPSG",1182]],
                MEMBER["European Terrestrial Reference Frame 1994",ID["EPSG",1183]],
                MEMBER["European Terrestrial Reference Frame 1996",ID["EPSG",1184]],
                MEMBER["European Terrestrial Reference Frame 1997",ID["EPSG",1185]],
                MEMBER["European Terrestrial Reference Frame 2000",ID["EPSG",1186]],
                MEMBER["European Terrestrial Reference Frame 2005",ID["EPSG",1204]],
                MEMBER["European Terrestrial Reference Frame 2014",ID["EPSG",1206]],
                MEMBER["European Terrestrial Reference Frame 2020",ID["EPSG",1382]],
                MEMBER["ETRS89-DNK",ID["EPSG",1412]],
                MEMBER["Estonia 1997",ID["EPSG",6180]],
                MEMBER["Albanian Geodetic Reference Frame 2010",ID["EPSG",1429]],
                MEMBER["ETRS89-ALB [CORS]",ID["EPSG",1430]],
                MEMBER["ETRS89-AUT [2002]",ID["EPSG",1431]],
                MEMBER["Belgian Reference Frame 2002",ID["EPSG",1432]],
                MEMBER["Belgian Reference Frame 2011",ID["EPSG",1447]],
                MEMBER["BH_ETRS89",ID["EPSG",1358]],
                MEMBER["Bulgaria Geodetic System 2005",ID["EPSG",1167]],
                MEMBER["Croatian Terrestrial Reference System 1996",ID["EPSG",6761]],
                MEMBER["AGRS2010 (ETRF2000)",ID["EPSG",1427]],
                MEMBER["CROPOS",ID["EPSG",1445]],
                MEMBER["ETRF2000 Poland",ID["EPSG",1305]],
                MEMBER["ETRS89/DREF91 Realization 2016",ID["EPSG",1353]],
                MEMBER["ETRS89/DREF91 Realization 2025",ID["EPSG",1446]],
                MEMBER["ETRS89-CZE [2007]",ID["EPSG",1433]],
                MEMBER["ETRS89-ESP [REGENTE]",ID["EPSG",1441]],
                MEMBER["ETRS89-ESP [ERGNSS]",ID["EPSG",1442]],
                MEMBER["ETRS89-FRO [2008]",ID["EPSG",1436]],
                MEMBER["ETRS89-GRC [HTRS07]",ID["EPSG",1437]],
                MEMBER["ETRS89-HUN [ETRF2000]",ID["EPSG",1444]],
                MEMBER["ETRS89-IRE [ETRF2000]",ID["EPSG",6173]],
                MEMBER["ETRS89-MKD [EUREF-MAK2010]",ID["EPSG",1438]],
                MEMBER["ETRS89-NOR [EUREF89]",ID["EPSG",1407]],
                MEMBER["ETRS89-PRT [1995]",ID["EPSG",1439]],
                MEMBER["ETRS89-ROU [ETRF2000]",ID["EPSG",1440]],
                MEMBER["ETRS89-SVK [SKTRF09]",ID["EPSG",1434]],
                MEMBER["ETRS89-SVK [SKTRF2022]",ID["EPSG",1435]],
                MEMBER["EUREF-FIN",ID["EPSG",1391]],
                MEMBER["Istituto Geografico Militaire 1995",ID["EPSG",6670]],
                MEMBER["Kosovo Reference System 2001",ID["EPSG",1251]],
                MEMBER["Latvian geodetic coordinate system 1992",ID["EPSG",6661]],
                MEMBER["Latvian coordinate system 2020",ID["EPSG",1356]],
                MEMBER["Lithuania 1994 (ETRS89)",ID["EPSG",6126]],
                MEMBER["MOLDREF99",ID["EPSG",1032]],
                MEMBER["OSNet v2009",ID["EPSG",1425]],
                MEMBER["Reseau Geodesique Francais 1993 v1",ID["EPSG",6171]],
                MEMBER["Reseau Geodesique Francais 1993 v2",ID["EPSG",1312]],
                MEMBER["Reseau Geodesique Francais 1993 v2b",ID["EPSG",1313]],
                MEMBER["Rete Dinamica Nazionale 2008",ID["EPSG",1132]],
                MEMBER["Serbian Reference Network 1998",ID["EPSG",1034]],
                MEMBER["Serbian Spatial Reference System 2000",ID["EPSG",1214]],
                MEMBER["Slovenia Geodetic Datum 1996",ID["EPSG",6765]],
                MEMBER["SWEREF 99",ID["EPSG",6619]],
                MEMBER["Swiss Terrestrial Reference Frame 1995",ID["EPSG",1449]],
                ELLIPSOID[
                    "GRS 1980",
                    6378137,
                    298.257222101,
                    LENGTHUNIT["metre",1,ID["EPSG",9001]],
                    ID["EPSG",7019]
                ],
                ENSEMBLEACCURACY[0.1],
                ID["EPSG",6258]
            ],
            ID["EPSG",4258]
        ],
        CONVERSION[
            "DKTM4",
            METHOD["Transverse Mercator",ID["EPSG",9807]],
            PARAMETER[
                "Latitude of natural origin",
                0,
                ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
                ID["EPSG",8801]
            ],
            PARAMETER[
                "Longitude of natural origin",
                15,
                ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
                ID["EPSG",8802]
            ],
            PARAMETER[
                "Scale factor at natural origin",
                1,
                SCALEUNIT["unity",1,ID["EPSG",9201]],
                ID["EPSG",8805]
            ],
            PARAMETER[
                "False easting",
                800000,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",8806]
            ],
            PARAMETER[
                "False northing",
                -5000000,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",8807]
            ],
            ID["EPSG",4092]
        ],
        CS[Cartesian,2,ID["EPSG",4400]],
        AXIS["Easting (E)",east],
        AXIS["Northing (N)",north],
        LENGTHUNIT["metre",1,ID["EPSG",9001]],
        ID["EPSG",4096]
    ],
    VERTCRS[
        "DVR90 height",
        ENSEMBLE[
            "Dansk Vertikal Reference 1990 ensemble",
            MEMBER["Dansk Vertikal Reference 1990 (2000)",ID["EPSG",5206]],
            MEMBER["Dansk Vertikal Reference 1990 (2002)",ID["EPSG",1368]],
            MEMBER["Dansk Vertikal Reference 1990 (2013)",ID["EPSG",1369]],
            MEMBER["Dansk Vertikal Reference 1990 (2023)",ID["EPSG",1370]],
            ENSEMBLEACCURACY[0.05],
            ID["EPSG",1371]
        ],
        CS[vertical,1,ID["EPSG",6499]],
        AXIS["Gravity-related height (H)",up],
        LENGTHUNIT["metre",1,ID["EPSG",9001]],
        ID["EPSG",5799]
    ],
    ID["EPSG",4100]
]

PROJ.4

+proj=tmerc +lat_0=0 +lon_0=15 +k=1 +x_0=800000 +y_0=-5000000 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:4100", "+proj=tmerc +lat_0=0 +lon_0=15 +k=1 +x_0=800000 +y_0=-5000000 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 4100,
  "name": "ETRS89 / DKTM4 + DVR90 height",
  "kind": "compound",
  "area": "Denmark - onshore Bornholm",
  "unit": null,
  "bbox": [
    54.94,
    14.59,
    55.38,
    15.25
  ],
  "proj4": "+proj=tmerc +lat_0=0 +lon_0=15 +k=1 +x_0=800000 +y_0=-5000000 +ellps=GRS80 +units=m +vunits=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 (4100, 'EPSG', 4100, '+proj=tmerc +lat_0=0 +lon_0=15 +k=1 +x_0=800000 +y_0=-5000000 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs', 'COMPD_CS["ETRS89 / DKTM4 + DVR90 height",PROJCS["ETRS89 / DKTM4",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",15],PARAMETER["scale_factor",1],PARAMETER["false_easting",800000],PARAMETER["false_northing",-5000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","4096"]],VERT_CS["DVR90 height",VERT_DATUM["Dansk Vertikal Reference 1990",2005,AUTHORITY["EPSG","5206"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5799"]],AUTHORITY["EPSG","4100"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=tmerc"
  "+lat_0=0"
  "+lon_0=15"
  "+k=1"
  "+x_0=800000"
  "+y_0=-5000000"
  "+ellps=GRS80"
  "+units=m"
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

4100=COMPD_CS["ETRS89 / DKTM4 + DVR90 height",PROJCS["ETRS89 / DKTM4",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",15],PARAMETER["scale_factor",1],PARAMETER["false_easting",800000],PARAMETER["false_northing",-5000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","4096"]],VERT_CS["DVR90 height",VERT_DATUM["Dansk Vertikal Reference 1990",2005,AUTHORITY["EPSG","5206"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5799"]],AUTHORITY["EPSG","4100"]]

Frequently Asked Questions

How do I add EPSG:4100 to GeoServer?

Add the following definition to your GeoServer configuration:

4100=COMPD_CS["ETRS89 / DKTM4 + DVR90 height",PROJCS["ETRS89 / DKTM4",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",15],PARAMETER["scale_factor",1],PARAMETER["false_easting",800000],PARAMETER["false_northing",-5000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","4096"]],VERT_CS["DVR90 height",VERT_DATUM["Dansk Vertikal Reference 1990",2005,AUTHORITY["EPSG","5206"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5799"]],AUTHORITY["EPSG","4100"]]

Read the full GeoServer guide →

How do I add EPSG:4100 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (4100, 'EPSG', 4100, '+proj=tmerc +lat_0=0 +lon_0=15 +k=1 +x_0=800000 +y_0=-5000000 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs', 'COMPD_CS["ETRS89 / DKTM4 + DVR90 height",PROJCS["ETRS89 / DKTM4",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",15],PARAMETER["scale_factor",1],PARAMETER["false_easting",800000],PARAMETER["false_northing",-5000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","4096"]],VERT_CS["DVR90 height",VERT_DATUM["Dansk Vertikal Reference 1990",2005,AUTHORITY["EPSG","5206"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5799"]],AUTHORITY["EPSG","4100"]]');

Read the full PostGIS guide →

How do I add EPSG:4100 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=tmerc"
  "+lat_0=0"
  "+lon_0=15"
  "+k=1"
  "+x_0=800000"
  "+y_0=-5000000"
  "+ellps=GRS80"
  "+units=m"
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:4100 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:4100", "+proj=tmerc +lat_0=0 +lon_0=15 +k=1 +x_0=800000 +y_0=-5000000 +ellps=GRS80 +units=m +vunits=m +no_defs +type=crs");

Read the full Proj4js guide →