Method: NTv2
Grid Files: TN15-ETRS89-to-ECML14_NB-IRF.gsb
Remarks: In conjunction with the ECML14_NB-TM map projection (code 9760) applied to ECML14_NB-IRF (code 9758), emulates the ECML14_NB Snake projection. Applied to ETRS89 (as realized through the OSNet v2009 CORS) defines ECML14_NB-IRF hence is errorless.
Information source: Network Rail.
Revision date: 2021-07-16
Unit: metre
Geodetic CRS: ETRS89
Datum: European Terrestrial Reference System 1989 ensemble
Data source: EPSG
Information source: Norwegian Mapping Authority
Revision date: 2010-03-01
Scope: Engineering survey.
Remarks: ETRS89 / UTM used as official map projection. This is an official alternative for construction projects.
Area of use: Norway - onshore - between 17°E and 18°E.
Coordinate system: Cartesian 2D CS. Axes: northing, easting (N,E). Orientations: north, east. UoM: m.
Center coordinates
-1111860.58 7273774.04
Projected bounds:
-1137690.41 7243936.22
-1086226.88 7303654.21
WGS84 bounds:
-1.9 54.85
-1.3 55.3
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["ETRS89 / NTM zone 17", 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 17", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",17.5, 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 - between 17°E and 18°E."], BBOX[67.94,17,69.96,18.01]], ID["EPSG",4867]]], TARGETCRS[ GEOGCRS["ECML14_NB-IRF", DATUM["ECML14_NB 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["Engineering survey and topographic mapping for railway applications."], AREA["United Kingdom (UK) - on or related to rail routes from Newcastle Central to Ashington via Benton North Junction, and the section from Bedlington to Morpeth."], BBOX[54.85,-1.9,55.3,-1.3]], ID["EPSG",9758]]], ABRIDGEDTRANSFORMATION["ETRS89 to ECML14_NB-IRF (1)", METHOD["NTv2", ID["EPSG",9615]], PARAMETERFILE["Latitude and longitude difference file","TN15-ETRS89-to-ECML14_NB-IRF.gsb"], USAGE[ SCOPE["Engineering survey and topographic mapping for railway applications."], AREA["United Kingdom (UK) - on or related to rail routes from Newcastle Central to Ashington via Benton North Junction, and the section from Bedlington to Morpeth."], BBOX[54.85,-1.9,55.3,-1.3]], ID["EPSG",9759], REMARK["In conjunction with the ECML14_NB-TM map projection (code 9760) applied to ECML14_NB-IRF (code 9758), emulates the ECML14_NB Snake projection. Applied to ETRS89 (as realized through the OSNet v2009 CORS) defines ECML14_NB-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 17", "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 17", "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": 17.5, "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": 4867 } }, "target_crs": { "type": "GeographicCRS", "name": "ECML14_NB-IRF", "datum": { "type": "GeodeticReferenceFrame", "name": "ECML14_NB 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": 9758 } }, "transformation": { "name": "ETRS89 to ECML14_NB-IRF (1)", "method": { "name": "NTv2", "id": { "authority": "EPSG", "code": 9615 } }, "parameters": [ { "name": "Latitude and longitude difference file", "value": "TN15-ETRS89-to-ECML14_NB-IRF.gsb", "id": { "authority": "EPSG", "code": 8656 } } ], "id": { "authority": "EPSG", "code": 9759 } } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=0 +lon_0=17.5 +k=1 +x_0=100000 +y_0=1000000 +ellps=GRS80 +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=0 +lon_0=17.5 +k=1 +x_0=100000 +y_0=1000000 +ellps=GRS80 +units=m +no_defs +type=crs"> </Layer> </Map>