EPSG:6686 JGD2011 / Japan Plane Rectangular CS XVIII
Système projeté (Transverse Mercator) en usage : Japan - zone XVIII. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:6686 |
|---|---|
| Nom | JGD2011 / Japan Plane Rectangular CS XVIII |
| Type | Système projeté — Transverse Mercator |
| Zone d'usage |
Japan - zone XVIII Japan - onshore - Tokyo-to south of 28°N and west of 140°30'E. |
| Emprise | O 136,02° · S 20,37° · E 136,16° · N 20,48° |
| Pays | Japon |
| Datum | Japanese Geodetic Datum 2011 |
| Ellipsoïde | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Système géographique de base | EPSG:6668 — JGD2011 |
| Unité | metre (X north, Y east) |
| Transformation vers WGS 84 | JGD2011 to WGS 84 (1) (EPSG:9936) — précision 1 m |
| Usage | Cadastre, engineering survey, topographic mapping (large and medium scale). |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of natural origin | 20 | degree |
| Longitude of natural origin | 136 | degree |
| Scale factor at natural origin | 0.9999 | unity |
| False easting | 0 | metre |
| False northing | 0 | metre |
Définition proj4
+proj=tmerc +lat_0=20 +lon_0=136 +k=0.9999 +x_0=0 +y_0=0 +ellps=GRS80 +units=m +towgs84=0,0,0 +no_defsÀ coller dans QGIS, proj4js, PostGIS (spatial_ref_sys) ou GDAL. +towgs84 porte la transformation EPSG vers WGS 84 ; le code officiel reste EPSG:6686.
WKT (format ESRI, contenu du .prj)
PROJCS["JGD_2011_Japan_Zone_18",GEOGCS["GCS_JGD_2011",DATUM["D_JGD_2011",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",136.0],PARAMETER["Scale_Factor",0.9999],PARAMETER["Latitude_Of_Origin",20.0],UNIT["Meter",1.0]]Autres systèmes — Japon
- EPSG:6674JGD2011 / Japan Plane Rectangular CS VI
- EPSG:6675JGD2011 / Japan Plane Rectangular CS VII
- EPSG:6676JGD2011 / Japan Plane Rectangular CS VIII
- EPSG:6677JGD2011 / Japan Plane Rectangular CS IX
- EPSG:6678JGD2011 / Japan Plane Rectangular CS X
- EPSG:6679JGD2011 / Japan Plane Rectangular CS XI
- EPSG:6680JGD2011 / Japan Plane Rectangular CS XII
- EPSG:6681JGD2011 / Japan Plane Rectangular CS XIII
- EPSG:6682JGD2011 / Japan Plane Rectangular CS XIV
- EPSG:6683JGD2011 / Japan Plane Rectangular CS XV
- EPSG:6684JGD2011 / Japan Plane Rectangular CS XVI
- EPSG:6685JGD2011 / Japan Plane Rectangular CS XVII
- EPSG:6687JGD2011 / Japan Plane Rectangular CS XIX
- EPSG:6688JGD2011 / UTM zone 51N
- EPSG:6689JGD2011 / UTM zone 52N
- EPSG:6690JGD2011 / UTM zone 53N
- EPSG:6691JGD2011 / UTM zone 54N
- EPSG:6692JGD2011 / UTM zone 55N
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.