GSB reconstruction east-orientated

Attributes

Unit: metre

Geodetic CRS: GSB-IRF

Datum: Generalstabens System Bornholm Intermediate Datum

Ellipsoid: Danish 1876

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: Geodesy, topographic mapping.

Remarks: Reconstruction through CT ETRS89 to GSB-IRF (1) and projection GSB-reconstruction (codes 10263 and 10261) to emulate the historic Generalstabens System LCC projCRS but with axis direction flip: W (GSB) = E (GSB e-o) * -1, N (GSB) = N (GSB e-o).

Area of use: Denmark - Bornholm onshore.

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

Covered area powered by MapTiler

Center coordinates
-19181.32 23410.69

Projected bounds:
-40340.89 -1084.42
1967.46 47958.33

WGS84 bounds:
14.59 54.94
15.25 55.38

Denmark - Bornholm onshore.

Definition: OGC Well Known Text 2 (2019)

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PROJCRS["GSB reconstruction east-orientated",
    BASEGEOGCRS["GSB-IRF",
        DATUM["Generalstabens System Bornholm Intermediate Datum",
            ELLIPSOID["Danish 1876",6377019.27,300,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",10260]],
    CONVERSION["GSB-reconstruction",
        METHOD["Lambert Conic Conformal (1SP variant B)",
            ID["EPSG",1102]],
        PARAMETER["Latitude of natural origin",56,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Scale factor at natural origin",1,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["Latitude of false origin",55,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8821]],
        PARAMETER["Longitude of false origin",14.92775,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8822]],
        PARAMETER["Easting at false origin",-18831.46,
            LENGTHUNIT["metre",1],
            ID["EPSG",8826]],
        PARAMETER["Northing at false origin",5614.621,
            LENGTHUNIT["metre",1],
            ID["EPSG",8827]]],
    CS[Cartesian,2],
        AXIS["(E)",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["(N)",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, topographic mapping."],
        AREA["Denmark - Bornholm onshore."],
        BBOX[54.94,14.59,55.38,15.25]],
    ID["EPSG",10262]]

Definition: PROJ.4

+proj=lcc +lat_1=56 +k_0=1 +lat_0=55 +lon_0=14.92775 +x_0=-18831.46 +y_0=5614.621 +a=6377019.27 +rf=300 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:10262","+proj=lcc +lat_1=56 +k_0=1 +lat_0=55 +lon_0=14.92775 +x_0=-18831.46 +y_0=5614.621 +a=6377019.27 +rf=300 +units=m +no_defs +type=crs");

Definition: JSON

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{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "GSB reconstruction east-orientated",
    "base_crs": {
        "name": "GSB-IRF",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Generalstabens System Bornholm Intermediate Datum",
            "ellipsoid": {
                "name": "Danish 1876",
                "semi_major_axis": 6377019.27,
                "inverse_flattening": 300
            }
        },
        "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": 10260
        }
    },
    "conversion": {
        "name": "GSB-reconstruction",
        "method": {
            "name": "Lambert Conic Conformal (1SP variant B)",
            "id": {
                "authority": "EPSG",
                "code": 1102
            }
        },
        "parameters": [
            {
                "name": "Latitude of natural origin",
                "value": 56,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8801
                }
            },
            {
                "name": "Scale factor at natural origin",
                "value": 1,
                "unit": "unity",
                "id": {
                    "authority": "EPSG",
                    "code": 8805
                }
            },
            {
                "name": "Latitude of false origin",
                "value": 55,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8821
                }
            },
            {
                "name": "Longitude of false origin",
                "value": 14.92775,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8822
                }
            },
            {
                "name": "Easting at false origin",
                "value": -18831.46,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8826
                }
            },
            {
                "name": "Northing at false origin",
                "value": 5614.621,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8827
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Easting",
                "abbreviation": "E",
                "direction": "east",
                "unit": "metre"
            },
            {
                "name": "Northing",
                "abbreviation": "N",
                "direction": "north",
                "unit": "metre"
            }
        ]
    },
    "scope": "Geodesy, topographic mapping.",
    "area": "Denmark - Bornholm onshore.",
    "bbox": {
        "south_latitude": 54.94,
        "west_longitude": 14.59,
        "north_latitude": 55.38,
        "east_longitude": 15.25
    },
    "id": {
        "authority": "EPSG",
        "code": 10262
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=lcc"
	"lat_1=56"
	"k_0=1"
	"lat_0=55"
	"lon_0=14.92775"
	"x_0=-18831.46"
	"y_0=5614.621"
	"a=6377019.27"
	"rf=300"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=lcc +lat_1=56 +k_0=1 +lat_0=55 +lon_0=14.92775 +x_0=-18831.46 +y_0=5614.621 +a=6377019.27 +rf=300 +units=m +no_defs +type=crs">
	<Layer srs="+proj=lcc +lat_1=56 +k_0=1 +lat_0=55 +lon_0=14.92775 +x_0=-18831.46 +y_0=5614.621 +a=6377019.27 +rf=300 +units=m +no_defs +type=crs">
	</Layer>
</Map>

EPSG:10262