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Geodetic CRS: N60 height
Datum: Helsinki 1960
Data source: EPSG
Information source: Land Survey of Finland; http://www.maanmittauslaitos.fi
Revision date: 2025-03-16
Scope: Change of height to a different vertical reference surface.
Remarks: Recommended method for N60<>N2000 transformations, as more accurate than concatenating geoid models.
Method: Vertical Offset by TIN Interpolation (JSON)
Area of use: Finland - onshore.
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["N60 height to N2000 height (1)", VERSION["NLS-Fin TINshift"], SOURCECRS[ VERTCRS["N60 height", VDATUM["Helsinki 1960"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], ID["EPSG",5717]]], TARGETCRS[ VERTCRS["N2000 height", VDATUM["N2000"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], ID["EPSG",3900]]], METHOD["Vertical Offset by TIN Interpolation (JSON)", ID["EPSG",1137]], PARAMETERFILE["TIN offset file","fi_nls_n60_n2000.json"], INTERPOLATIONCRS[ PROJCRS["KKJ / Finland Uniform Coordinate System", BASEGEOGCRS["KKJ", DATUM["Kartastokoordinaattijarjestelma (1966)", ELLIPSOID["International 1924",6378388,297, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4123]], CONVERSION["Finland Uniform Coordinate System", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",27, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",3500000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["northing (X)",north, ORDER[1], LENGTHUNIT["metre",1]], AXIS["easting (Y)",east, ORDER[2], LENGTHUNIT["metre",1]]]], OPERATIONACCURACY[0.005], USAGE[ SCOPE["Change of height to a different vertical reference surface."], AREA["Finland - onshore."], BBOX[59.75,19.24,70.09,31.59]], ID["EPSG",10705], REMARK["Recommended method for N60<>N2000 trasformations, as more accurate than concatenating geoid models."]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "N60 height to N2000 height (1)", "source_crs": { "type": "VerticalCRS", "name": "N60 height", "datum": { "type": "VerticalReferenceFrame", "name": "Helsinki 1960" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5717 } }, "target_crs": { "type": "VerticalCRS", "name": "N2000 height", "datum": { "type": "VerticalReferenceFrame", "name": "N2000" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 3900 } }, "interpolation_crs": { "type": "ProjectedCRS", "name": "KKJ / Finland Uniform Coordinate System", "base_crs": { "type": "GeographicCRS", "name": "KKJ", "datum": { "type": "GeodeticReferenceFrame", "name": "Kartastokoordinaattijarjestelma (1966)", "ellipsoid": { "name": "International 1924", "semi_major_axis": 6378388, "inverse_flattening": 297 } }, "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": 4123 } }, "conversion": { "name": "Finland Uniform Coordinate System", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 27, "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": 3500000, "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": "Northing", "abbreviation": "X", "direction": "north", "unit": "metre" }, { "name": "Easting", "abbreviation": "Y", "direction": "east", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 2393 } }, "method": { "name": "Vertical Offset by TIN Interpolation (JSON)", "id": { "authority": "EPSG", "code": 1137 } }, "parameters": [ { "name": "TIN offset file", "value": "fi_nls_n60_n2000.json", "id": { "authority": "EPSG", "code": 1064 } } ], "accuracy": "0.005", "scope": "Change of height to a different vertical reference surface.", "area": "Finland - onshore.", "bbox": { "south_latitude": 59.75, "west_longitude": 19.24, "north_latitude": 70.09, "east_longitude": 31.59 }, "id": { "authority": "EPSG", "code": 10705 }, "remarks": "Recommended method for N60<>N2000 trasformations, as more accurate than concatenating geoid models." }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tinshift +file=fi_nls_n60_n2000.json"> <Layer srs="+proj=tinshift +file=fi_nls_n60_n2000.json"> </Layer> </Map>
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