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Name: ETRS89 to MML07-IRF (1)
Method: NTv2
Grid Files: TN15-ETRS89-to-MML07-IRF.gsb
Remarks: In conjunction with the MML07-TM map projection (code 9370) applied to MML07-IRF (code 9372), emulates the MML07 Snake projection. Applied to ETRS89 (as realized through the OSNet v2009 CORS) defines MML07-IRF hence is errorless.
Information source: Network Rail.
Revision date: 2020-06-11
Unit: metre
Geodetic CRS: ETRS89
Datum: European Terrestrial Reference System 1989 ensemble
Data source: EPSG
Information source: http://www.geo.ut.ee/
Revision date: 2025-04-10
Scope: Topographic mapping (medium and small scale).
Remarks: Used as a common CRS for the Baltic states and for medium and small scale mapping since 1993. For large scale applications see CRS codes 3300 and 3301 (Estonia), 3059 and 10306 (Latvia), and 2600 (Lituania).
Area of use: Estonia, Latvia and Lithuania - onshore and offshore.
Coordinate system: Cartesian 2D CS. Axes: northing, easting (X,Y). Orientations: north, east. UoM: m.
&stroke=red&width=2&path=51.46,-1.89|53.42,-1.89|53.42,0.16|51.46,0.16|51.46,-1.89)
Center coordinates
-1175036.19 6106209.48
Projected bounds:
-1283016.15 5975593.41
-1069894.01 6237000.22
WGS84 bounds:
-1.89 51.46
0.16 53.42
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["ETRS89 / TM Baltic93", 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"], MEMBER["European Terrestrial Reference Frame 2020"], ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ENSEMBLEACCURACY[0.1]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4258]], CONVERSION["TM Baltic 93", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",24, 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["northing (X)",north, ORDER[1], LENGTHUNIT["metre",1]], AXIS["easting (Y)",east, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Topographic mapping (medium and small scale)."], AREA["Estonia, Latvia and Lithuania - onshore and offshore."], BBOX[53.89,19.02,60,28.24]], ID["EPSG",25884]]], TARGETCRS[ GEOGCRS["MML07-IRF", DATUM["MML07 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 the Midland Mainline rail route from Sheffield to London."], BBOX[51.46,-1.89,53.42,0.16]], ID["EPSG",9372]]], ABRIDGEDTRANSFORMATION["ETRS89 to MML07-IRF (1)", METHOD["NTv2", ID["EPSG",9615]], PARAMETERFILE["Latitude and longitude difference file","TN15-ETRS89-to-MML07-IRF.gsb"], USAGE[ SCOPE["Engineering survey and topographic mapping for railway applications."], AREA["United Kingdom (UK) - on or related to the Midland Mainline rail route from Sheffield to London."], BBOX[51.46,-1.89,53.42,0.16]], ID["EPSG",9369], REMARK["In conjunction with the MML07-TM map projection (code 9370) applied to MML07-IRF (code 9372), emulates the MML07 Snake projection. Applied to ETRS89 (as realized through the OSNet v2009 CORS) defines MML07-IRF hence is errorless."]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "ETRS89 / TM Baltic93", "base_crs": { "type": "GeographicCRS", "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 } }, { "name": "European Terrestrial Reference Frame 2020", "id": { "authority": "EPSG", "code": 1382 } } ], "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": "TM Baltic 93", "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": 24, "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": "Northing", "abbreviation": "X", "direction": "north", "unit": "metre" }, { "name": "Easting", "abbreviation": "Y", "direction": "east", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 25884 } }, "target_crs": { "type": "GeographicCRS", "name": "MML07-IRF", "datum": { "type": "GeodeticReferenceFrame", "name": "MML07 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": 9372 } }, "transformation": { "name": "ETRS89 to MML07-IRF (1)", "method": { "name": "NTv2", "id": { "authority": "EPSG", "code": 9615 } }, "parameters": [ { "name": "Latitude and longitude difference file", "value": "TN15-ETRS89-to-MML07-IRF.gsb", "id": { "authority": "EPSG", "code": 8656 } } ], "id": { "authority": "EPSG", "code": 9369 } } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=0 +lon_0=24 +k=0.9996 +x_0=500000 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=0 +lon_0=24 +k=0.9996 +x_0=500000 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crs"> </Layer> </Map>
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