TN15-ETRS89-to-AbInvA96_2020-IRF.gsb
In conjunction with AbInvA96_2020-TM map projection (code 9385) applied to AbInvA96_2020-IRF (code 9384), emulates the AbInvA96_2020 Snake projection. Applied to ETRS89 (as realized through the OSNet v2009) defines AbInvA96_2020-IRF hence is errorless.
Transport Scotland.
2020-06-16
metre
European Terrestrial Reference System 1989 ensemble
EPSG
Norwegian Mapping Authority.
2020-03-30
Engineering survey.
ETRS89 / UTM is the projected CRS for Norway recommended by the Norwegian Mapping Authority. This is an alternative when UTM scale is too far from unity, in particular for construction projects.
Norway - onshore - east of 30°E.
Cartesian 2D CS. Axes: northing, easting (N,E). Orientations: north, east. UoM: m.
-1871393.3 1445457.4
-1949881.46 1380668.04
-1793643.63 1510930.72
-4.31 57.1
-2.1 57.71
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["ETRS89 / NTM zone 30", BASEGEOGCRS["ETRS89", ENSEMBLE["European Terrestrial Reference System 1989 ensemble", MEMBER["European Terrestrial Reference Frame 1989"], MEMBER["European Terrestrial Reference Frame 1990"], MEMBER["European Terrestrial Reference Frame 1991"], MEMBER["European Terrestrial Reference Frame 1992"], MEMBER["European Terrestrial Reference Frame 1993"], MEMBER["European Terrestrial Reference Frame 1994"], MEMBER["European Terrestrial Reference Frame 1996"], MEMBER["European Terrestrial Reference Frame 1997"], MEMBER["European Terrestrial Reference Frame 2000"], MEMBER["European Terrestrial Reference Frame 2005"], MEMBER["European Terrestrial Reference Frame 2014"], ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ENSEMBLEACCURACY[0.1]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4258]], CONVERSION["Norway TM zone 30", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",58, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",30.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",100000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",1000000, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["northing (N)",north, ORDER[1], LENGTHUNIT["metre",1]], AXIS["easting (E)",east, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Engineering survey."], AREA["Norway - onshore - east of 30°E."], BBOX[69.46,30,70.77,31.32]], ID["EPSG",5130]]], TARGETCRS[ GEOGCRS["AbInvA96_2020-IRF", DATUM["AbInvA96_2020 Intermediate Reference Frame", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], USAGE[ SCOPE["Highway engineering."], AREA["United Kingdom (UK) - on or related to the A96 highway from Aberdeen to Inverness."], BBOX[57.1,-4.31,57.71,-2.1]], ID["EPSG",9384]]], ABRIDGEDTRANSFORMATION["ETRS89 to AbInvA96_2020-IRF (1)", METHOD["NTv2", ID["EPSG",9615]], PARAMETERFILE["Latitude and longitude difference file","TN15-ETRS89-to-AbInvA96_2020-IRF.gsb"], USAGE[ SCOPE["Highway engineering."], AREA["United Kingdom (UK) - on or related to the A96 highway from Aberdeen to Inverness."], BBOX[57.1,-4.31,57.71,-2.1]], ID["EPSG",9386], REMARK["In conjunction with AbInvA96_2020-TM map projection (code 9385) applied to AbInvA96_2020-IRF (code 9384), emulates the AbInvA96_2020 Snake projection. Applied to ETRS89 (as realized through the OSNet v2009) defines AbInvA96_2020-IRF hence is errorless."]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "ETRS89 / NTM zone 30", "base_crs": { "name": "ETRS89", "datum_ensemble": { "name": "European Terrestrial Reference System 1989 ensemble", "members": [ { "name": "European Terrestrial Reference Frame 1989", "id": { "authority": "EPSG", "code": 1178 } }, { "name": "European Terrestrial Reference Frame 1990", "id": { "authority": "EPSG", "code": 1179 } }, { "name": "European Terrestrial Reference Frame 1991", "id": { "authority": "EPSG", "code": 1180 } }, { "name": "European Terrestrial Reference Frame 1992", "id": { "authority": "EPSG", "code": 1181 } }, { "name": "European Terrestrial Reference Frame 1993", "id": { "authority": "EPSG", "code": 1182 } }, { "name": "European Terrestrial Reference Frame 1994", "id": { "authority": "EPSG", "code": 1183 } }, { "name": "European Terrestrial Reference Frame 1996", "id": { "authority": "EPSG", "code": 1184 } }, { "name": "European Terrestrial Reference Frame 1997", "id": { "authority": "EPSG", "code": 1185 } }, { "name": "European Terrestrial Reference Frame 2000", "id": { "authority": "EPSG", "code": 1186 } }, { "name": "European Terrestrial Reference Frame 2005", "id": { "authority": "EPSG", "code": 1204 } }, { "name": "European Terrestrial Reference Frame 2014", "id": { "authority": "EPSG", "code": 1206 } } ], "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 }, "accuracy": "0.1", "id": { "authority": "EPSG", "code": 6258 } }, "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": 4258 } }, "conversion": { "name": "Norway TM zone 30", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 58, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 30.5, "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": 100000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 1000000, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": "metre" }, { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5130 } }, "target_crs": { "type": "GeographicCRS", "name": "AbInvA96_2020-IRF", "datum": { "type": "GeodeticReferenceFrame", "name": "AbInvA96_2020 Intermediate Reference Frame", "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": 9384 } }, "transformation": { "name": "ETRS89 to AbInvA96_2020-IRF (1)", "method": { "name": "NTv2", "id": { "authority": "EPSG", "code": 9615 } }, "parameters": [ { "name": "Latitude and longitude difference file", "value": "TN15-ETRS89-to-AbInvA96_2020-IRF.gsb", "id": { "authority": "EPSG", "code": 8656 } } ], "id": { "authority": "EPSG", "code": 9386 } } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=58 +lon_0=30.5 +k=1 +x_0=100000 +y_0=1000000 +ellps=GRS80 +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=58 +lon_0=30.5 +k=1 +x_0=100000 +y_0=1000000 +ellps=GRS80 +units=m +no_defs +type=crs"> </Layer> </Map>