metre
EPSG
National Land Survey of Finland; http://www.maanmittauslaitos.fi
2018-05-24
Geodesy, engineering survey.
Introduced during second national precise levelling as a temporary height system (or intended to be such). Replaced by N60 height (CRS code 5717).
63.24 26.27
59.75 20.95
66.73 31.59
20.95 59.75
31.59 66.73
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: 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: 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"]]');