EPSG:8675

N43 height

Attributes

Unit: metre

Geodetic CRS: N43 height

Datum: Helsinki 1943

Data source: EPSG

Information source: National Land Survey of Finland; http://www.maanmittauslaitos.fi

Revision date: 2018-05-24

Scope: Geodesy, engineering survey.

Remarks: Introduced during second national precise levelling as a temporary height system (or intended to be such). Replaced by N60 height (CRS code 5717).

Area of use: Finland - onshore mainland south of approximately 66°N.

Coordinate system: Vertical CS. Axis: height (H). Orientation: up. UoM: m.

Center coordinates
63.24 26.27

Projected bounds:
59.75 20.95
66.73 31.59

WGS84 bounds:
20.95 59.75
31.59 66.73

Finland - onshore mainland south of approximately 66°N.
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Definition: OGC Well Known Text

VERT_CS["N43 height",
    VERT_DATUM["Helsinki 1943",2005,
        AUTHORITY["EPSG","1213"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","8675"]]

Definition: OGC Well Known Text 2 (2019)

VERTCRS["N43 height",
    VDATUM["Helsinki 1943"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey."],
        AREA["Finland - onshore mainland south of approximately 66°N."],
        BBOX[59.75,20.95,66.73,31.59]],
    ID["EPSG",8675]]

Definition: ESRI Well Known Text

VERTCS["N43_height",
    VDATUM["Helsinki_1943"],
    PARAMETER["Vertical_Shift",0.0],
    PARAMETER["Direction",1.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+vunits=m +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:8675","+vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "VerticalCRS",
    "name": "N43 height",
    "datum": {
        "type": "VerticalReferenceFrame",
        "name": "Helsinki 1943"
    },
    "coordinate_system": {
        "subtype": "vertical",
        "axis": [
            {
                "name": "Gravity-related height",
                "abbreviation": "H",
                "direction": "up",
                "unit": "metre"
            }
        ]
    },
    "scope": "Geodesy, engineering survey.",
    "area": "Finland - onshore mainland south of approximately 66°N.",
    "bbox": {
        "south_latitude": 59.75,
        "west_longitude": 20.95,
        "north_latitude": 66.73,
        "east_longitude": 31.59
    },
    "id": {
        "authority": "EPSG",
        "code": 8675
    }
}

Definition: GeoServer

8675=VERT_CS["N43 height",VERT_DATUM["Helsinki 1943",2005,AUTHORITY["EPSG","1213"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","8675"]]

Definition: MapServer - MAPfile

PROJECTION
	"vunits=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+vunits=m +no_defs +type=crs">
	<Layer srs="+vunits=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 8675, 'EPSG', 8675, '+vunits=m +no_defs +type=crs', 'VERT_CS["N43 height",VERT_DATUM["Helsinki 1943",2005,AUTHORITY["EPSG","1213"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","8675"]]');