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Method: Geographic2D with Height Offsets
Remarks:
Information source: http://vldb.gsi.go.jp/sokuchi/coordinates/localtrans.html (Geographical Survey Institute).
Revision date: 2005-09-29
Unit: metre
Geodetic CRS: Tokyo
Datum: Tokyo
Ellipsoid: Bessel 1841
Prime meridian: Greenwich
Data source: EPSG
Information source: Geographic Survey Institute; Japan. http://vldb.gsi.go.jp/sokuchi/datum/tokyodatum.html
Revision date: 2002-06-22
Scope: Cadastre, engineering survey, topographic mapping (large and medium scale).
Remarks: Although legally defined as Tokyo datum the accuracy of the geodetic connection to mainland Japan is low. Replaced by JGD2000 / Japan Plane Rectangular CS XIV (code 2456) from April 2002.
Area of use: Japan - onshore - Tokyo-to south of 28°N and between 140°30'E and 143°E.
Coordinate system: Cartesian 2D CS. Axes: northing, easting (X,Y). Orientations: north, east. UoM: m.
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["Tokyo / Japan Plane Rectangular CS XIV", BASEGEOGCRS["Tokyo", DATUM["Tokyo", ELLIPSOID["Bessel 1841",6377397.155,299.1528128, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4301]], CONVERSION["Japan Plane Rectangular CS zone XIV", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",26, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",142, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.9999, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",0, 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["Cadastre, engineering survey, topographic mapping (large and medium scale)."], AREA["Japan - onshore - Tokyo-to south of 28°N and between 140°30'E and 143°E."], BBOX[24.67,141.2,27.8,142.33]], ID["EPSG",30174]]], TARGETCRS[ GEOGCRS["WGS 84", ENSEMBLE["World Geodetic System 1984 ensemble", MEMBER["World Geodetic System 1984 (Transit)"], MEMBER["World Geodetic System 1984 (G730)"], MEMBER["World Geodetic System 1984 (G873)"], MEMBER["World Geodetic System 1984 (G1150)"], MEMBER["World Geodetic System 1984 (G1674)"], MEMBER["World Geodetic System 1984 (G1762)"], MEMBER["World Geodetic System 1984 (G2139)"], ELLIPSOID["WGS 84",6378137,298.257223563, LENGTHUNIT["metre",1]], ENSEMBLEACCURACY[2.0]], 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["Horizontal component of 3D system."], AREA["World."], BBOX[-90,-180,90,180]], ID["EPSG",4326]]], ABRIDGEDTRANSFORMATION["Tokyo to WGS 84 (6)", METHOD["Geographic2D with Height Offsets", ID["EPSG",9618]], PARAMETER["Latitude offset",28512, ID["EPSG",8601]], PARAMETER["Longitude offset",-13.88, ID["EPSG",8602]], PARAMETER["Geoid undulation",26.1, ID["EPSG",8604]], USAGE[ SCOPE["Medium accuracy applications."], AREA["Japan - onshore mainland 45°20'N to 46°N; 141°E to 142°E."], BBOX[45.33,141.56,45.54,142]], ID["EPSG",1335]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "Tokyo / Japan Plane Rectangular CS XIV", "base_crs": { "name": "Tokyo", "datum": { "type": "GeodeticReferenceFrame", "name": "Tokyo", "ellipsoid": { "name": "Bessel 1841", "semi_major_axis": 6377397.155, "inverse_flattening": 299.1528128 } }, "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": 4301 } }, "conversion": { "name": "Japan Plane Rectangular CS zone XIV", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 26, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 142, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9999, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 0, "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": 30174 } }, "target_crs": { "type": "GeographicCRS", "name": "WGS 84", "datum_ensemble": { "name": "World Geodetic System 1984 ensemble", "members": [ { "name": "World Geodetic System 1984 (Transit)", "id": { "authority": "EPSG", "code": 1166 } }, { "name": "World Geodetic System 1984 (G730)", "id": { "authority": "EPSG", "code": 1152 } }, { "name": "World Geodetic System 1984 (G873)", "id": { "authority": "EPSG", "code": 1153 } }, { "name": "World Geodetic System 1984 (G1150)", "id": { "authority": "EPSG", "code": 1154 } }, { "name": "World Geodetic System 1984 (G1674)", "id": { "authority": "EPSG", "code": 1155 } }, { "name": "World Geodetic System 1984 (G1762)", "id": { "authority": "EPSG", "code": 1156 } }, { "name": "World Geodetic System 1984 (G2139)", "id": { "authority": "EPSG", "code": 1309 } } ], "ellipsoid": { "name": "WGS 84", "semi_major_axis": 6378137, "inverse_flattening": 298.257223563 }, "accuracy": "2.0", "id": { "authority": "EPSG", "code": 6326 } }, "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": 4326 } }, "transformation": { "name": "Tokyo to WGS 84 (6)", "method": { "name": "Geographic2D with Height Offsets", "id": { "authority": "EPSG", "code": 9618 } }, "parameters": [ { "name": "Latitude offset", "value": 7.92, "unit": { "type": "AngularUnit", "name": "degree minute second hemisphere", "conversion_factor": 0.0174532925199433 }, "id": { "authority": "EPSG", "code": 8601 } }, { "name": "Longitude offset", "value": -13.88, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8602 } }, { "name": "Geoid undulation", "value": 26.1, "unit": "metre", "id": { "authority": "EPSG", "code": 8604 } } ], "id": { "authority": "EPSG", "code": 1335 } } }
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