EPSG:10270

Ostenfeld reconstruction

Attributes

Unit: metre

Geodetic CRS: Ostenfeld-IRF

Datum: Ostenfeld Intermediate Datum

Ellipsoid: Bessel 1841

Prime meridian: Greenwich

Data source: EPSG

Information source: The Danish Agency for Data Supply and Infrastructure, https://sdfi.dk

Revision date: 2023-05-10

Scope: Cadastre.

Remarks: A reconstruction in modern terms of the Prussian system Ostenfeld, as it was realized in the post-1920 Danish areas. Defined through transformation ETRS89 to Ostenfeld-IRF (1) (code 10271) together with projection Ostenfeld-reconstruction (code 10269).

Area of use: Denmark - onshore northern Schleswig and surrounding islands (i.e. Jutland south of the pre-1920 border near the Kongea river).

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

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SimpleMap

Center coordinates
2040.09 74188.15

Projected bounds:
-55503.82 36896.74
59612.72 111875.43

WGS84 bounds:
8.37 54.8
10.16 55.47

Denmark - onshore northern Schleswig and surrounding islands (i.e. Jutland south of the pre-1920 border near the Kongea river).
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Definition: OGC Well Known Text

PROJCS["Ostenfeld reconstruction",
    GEOGCS["Ostenfeld-IRF",
        DATUM["Ostenfeld_Intermediate_Datum",
            SPHEROID["Bessel 1841",6377397.155,299.1528128,
                AUTHORITY["EPSG","7004"]],
            AUTHORITY["EPSG","1350"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","10268"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",54.4685],
    PARAMETER["central_meridian",9.233],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",0],
    PARAMETER["false_northing",0],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","10270"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["Ostenfeld reconstruction",
    BASEGEOGCRS["Ostenfeld-IRF",
        DATUM["Ostenfeld  Intermediate Datum",
            ELLIPSOID["Bessel 1841",6377397.155,299.1528128,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",10268]],
    CONVERSION["Ostenfeld-reconstruction",
        METHOD["Transverse Mercator",
            ID["EPSG",9807]],
        PARAMETER["Latitude of natural origin",54.4685,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",9.233,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",1,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",0,
            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]],
    USAGE[
        SCOPE["Cadastre."],
        AREA["Denmark - onshore northern Schleswig and surrounding islands (i.e. Jutland south of the pre-1920 border near the Kongea river)."],
        BBOX[54.8,8.37,55.47,10.16]],
    ID["EPSG",10270]]

Definition: ESRI Well Known Text

PROJCS["Ostenfeld_reconstruction",
    GEOGCS["GCS_Ostenfeld-IRF",
        DATUM["Ostenfeld_Intermediate_Datum",
            SPHEROID["Bessel_1841",6377397.155,299.1528128]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["False_Easting",0.0],
    PARAMETER["False_Northing",0.0],
    PARAMETER["Central_Meridian",9.233],
    PARAMETER["Scale_Factor",1.0],
    PARAMETER["Latitude_Of_Origin",54.4685],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=tmerc +lat_0=54.4685 +lon_0=9.233 +k=1 +x_0=0 +y_0=0 +ellps=bessel +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:10270","+proj=tmerc +lat_0=54.4685 +lon_0=9.233 +k=1 +x_0=0 +y_0=0 +ellps=bessel +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "Ostenfeld reconstruction",
    "base_crs": {
        "name": "Ostenfeld-IRF",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Ostenfeld  Intermediate Datum",
            "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": 10268
        }
    },
    "conversion": {
        "name": "Ostenfeld-reconstruction",
        "method": {
            "name": "Transverse Mercator",
            "id": {
                "authority": "EPSG",
                "code": 9807
            }
        },
        "parameters": [
            {
                "name": "Latitude of natural origin",
                "value": 54.4685,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8801
                }
            },
            {
                "name": "Longitude of natural origin",
                "value": 9.233,
                "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": 0,
                "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"
            }
        ]
    },
    "scope": "Cadastre.",
    "area": "Denmark - onshore northern Schleswig and surrounding islands (i.e. Jutland south of the pre-1920 border near the Kongea river).",
    "bbox": {
        "south_latitude": 54.8,
        "west_longitude": 8.37,
        "north_latitude": 55.47,
        "east_longitude": 10.16
    },
    "id": {
        "authority": "EPSG",
        "code": 10270
    }
}

Definition: GeoServer

10270=PROJCS["Ostenfeld reconstruction",GEOGCS["Ostenfeld-IRF",DATUM["Ostenfeld_Intermediate_Datum",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],AUTHORITY["EPSG","1350"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","10268"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",54.4685],PARAMETER["central_meridian",9.233],PARAMETER["scale_factor",1],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","10270"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=54.4685"
	"lon_0=9.233"
	"k=1"
	"x_0=0"
	"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=54.4685 +lon_0=9.233 +k=1 +x_0=0 +y_0=0 +ellps=bessel +units=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=54.4685 +lon_0=9.233 +k=1 +x_0=0 +y_0=0 +ellps=bessel +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 10270, 'EPSG', 10270, '+proj=tmerc +lat_0=54.4685 +lon_0=9.233 +k=1 +x_0=0 +y_0=0 +ellps=bessel +units=m +no_defs +type=crs', 'PROJCS["Ostenfeld reconstruction",GEOGCS["Ostenfeld-IRF",DATUM["Ostenfeld_Intermediate_Datum",SPHEROID["Bessel 1841",6377397.155,299.1528128,AUTHORITY["EPSG","7004"]],AUTHORITY["EPSG","1350"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","10268"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",54.4685],PARAMETER["central_meridian",9.233],PARAMETER["scale_factor",1],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","10270"]]');