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Name: KKJ to EUREF-FIN (3)
Grid Files: fi_nls_ykj_etrs35fin.json
Remarks: Recommended transformation between KKJ and EUREF-FIN. Use this in preference to transformation KKJ to EUREF-FIN (2) (code 10098).
Information source: National Land Survey of Finland; http://www.maanmittauslaitos.fi
Revision date: 2025-01-21
Unit: metre
Geodetic CRS: KKJ
Datum: Kartastokoordinaattijarjestelma (1966)
Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: EPSG
Information source: National Land Survey of Finland; http://www.maanmittauslaitos.fi
Revision date: 2012-02-13
Scope: Engineering survey, topographic mapping.
Area of use: Finland - onshore west of 19°30'E.
Coordinate system: Cartesian 2D CS. Axes: northing, easting (X,Y). Orientations: north, east. UoM: m.
&stroke=red&width=2&path=59.75,19.24|70.09,19.24|70.09,31.59|59.75,31.59|59.75,19.24)
Center coordinates
850421.99 7223143.7
Projected bounds:
547342.94 6627030.39
1260658.29 7836715.81
WGS84 bounds:
19.24 59.75
31.59 70.09
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["KKJ / Finland zone 0", 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 zone 0", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",18, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",500000, 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]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["Finland - onshore west of 19°30'E."], BBOX[60.08,19.24,60.34,19.5]], ID["EPSG",3386]]], TARGETCRS[ PROJCRS["EUREF-FIN / TM35FIN(E,N)", BASEGEOGCRS["EUREF-FIN", DATUM["EUREF-FIN", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ANCHOREPOCH[1997]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",10690]], CONVERSION["TM35FIN", 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",0.9996, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",500000, 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["Engineering survey, topographic mapping."], AREA["Finland - onshore and offshore."], BBOX[58.84,19.08,70.09,31.59]], USAGE[ SCOPE["Pan-European conformal mapping at scales larger than 1:500,000."], AREA["Finland - between 24°E and 30°E, onshore and offshore."], BBOX[59.64,23.99,70.09,30]], ID["EPSG",3067]]], ABRIDGEDTRANSFORMATION["KKJ / Finland Uniform Coordinate System to EUREF-FIN / TM35FIN(E,N) (1)", METHOD["Cartesian Grid Offsets by TIN Interpolation (JSON)", ID["EPSG",1138]], PARAMETERFILE["TIN offset file","fi_nls_ykj_etrs35fin.json"], USAGE[ SCOPE["Transformation of coordinates at 0.03m level of accuracy."], AREA["Finland - onshore."], BBOX[59.75,19.24,70.09,31.59]], ID["EPSG",10703], REMARK["This YKJ to ETRS-TM35FIN TINshift transformation is the recommended method for KKJ to EUREF-FIN coordinate change, to be used in preference to transformation KKJ to EUREF-FIN (2) (code 10098). See concatenated operation 10778."]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "KKJ / Finland zone 0", "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 zone 0", "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": 18, "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": 500000, "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": 3386 } }, "target_crs": { "type": "ProjectedCRS", "name": "EUREF-FIN / TM35FIN(E,N)", "base_crs": { "type": "GeographicCRS", "name": "EUREF-FIN", "datum": { "type": "GeodeticReferenceFrame", "name": "EUREF-FIN", "anchor_epoch": 1997, "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "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": 10690 } }, "conversion": { "name": "TM35FIN", "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": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "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" } ] }, "id": { "authority": "EPSG", "code": 3067 } }, "transformation": { "name": "KKJ / Finland Uniform Coordinate System to EUREF-FIN / TM35FIN(E,N) (1)", "method": { "name": "Cartesian Grid Offsets by TIN Interpolation (JSON)", "id": { "authority": "EPSG", "code": 1138 } }, "parameters": [ { "name": "TIN offset file", "value": "fi_nls_ykj_etrs35fin.json", "id": { "authority": "EPSG", "code": 1064 } } ], "id": { "authority": "EPSG", "code": 10703 } } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=0 +lon_0=18 +k=1 +x_0=500000 +y_0=0 +ellps=intl +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=0 +lon_0=18 +k=1 +x_0=500000 +y_0=0 +ellps=intl +units=m +no_defs +type=crs"> </Layer> </Map>
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