EPSG:26972 NAD83 / Illinois West
Système projeté (Transverse Mercator) en usage : USA - Illinois - SPCS - W. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:26972 |
|---|---|
| Nom | NAD83 / Illinois West |
| Type | Système projeté — Transverse Mercator |
| Zone d'usage |
USA - Illinois - SPCS - W United States (USA) - Illinois - counties of Adams; Alexander; Bond; Brown; Bureau; Calhoun; Carroll; Cass; Christian; Clinton; Fulton; Greene; Hancock; Henderson; Henry; Jackson; Jersey; Jo Daviess; Knox; Lee; Logan; Macoupin; Madison; Marshall; Mason; McDonough; Menard; Mercer; Monroe; Montgomery; Morgan; Ogle; Peoria; Perry; Pike; Pulaski; Putnam; Randolph; Rock Island; Sangamon; Schuyler; Scott; St Clair; Stark; Stephenson; Tazewell; Union; Warren; Washington; Whiteside; Winnebago; Woodford. |
| Emprise | O -91,52° · S 36,97° · E -88,92° · N 42,51° |
| Pays | États-Unis |
| Datum | North American Datum 1983 |
| Ellipsoïde | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Système géographique de base | EPSG:4269 — NAD83 |
| Unité | metre (X east, Y north) |
| Transformation vers WGS 84 | NAD83 to WGS 84 (1) (EPSG:1188) — précision 4 m |
| Usage | Engineering survey, topographic mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of natural origin | 36.666666666666664 | degree |
| Longitude of natural origin | -90.16666666666667 | degree |
| Scale factor at natural origin | 0.999941177 | unity |
| False easting | 700000 | metre |
| False northing | 0 | metre |
Définition proj4
+proj=tmerc +lat_0=36.6666666666667 +lon_0=-90.1666666666667 +k=0.999941177 +x_0=700000 +y_0=0 +a=6378137 +rf=298.257222101 +units=m +towgs84=0,0,0 +no_defs
À coller dans QGIS, proj4js, PostGIS (spatial_ref_sys) ou GDAL. +towgs84 porte la transformation EPSG vers WGS 84 ; le code officiel reste EPSG:26972.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_StatePlane_Illinois_West_FIPS_1202",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",700000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-90.1666666666667],PARAMETER["Scale_Factor",0.999941177],PARAMETER["Latitude_Of_Origin",36.6666666666667],UNIT["Meter",1.0]]
Autres systèmes — États-Unis
- EPSG:26962NAD83 / Hawaii zone 2
- EPSG:26963NAD83 / Hawaii zone 3
- EPSG:26964NAD83 / Hawaii zone 4
- EPSG:26965NAD83 / Hawaii zone 5
- EPSG:26966NAD83 / Georgia East
- EPSG:26967NAD83 / Georgia West
- EPSG:26968NAD83 / Idaho East
- EPSG:26969NAD83 / Idaho Central
- EPSG:26970NAD83 / Idaho West
- EPSG:26971NAD83 / Illinois East
- EPSG:26973NAD83 / Indiana East
- EPSG:26974NAD83 / Indiana West
- EPSG:26975NAD83 / Iowa North
- EPSG:26976NAD83 / Iowa South
- EPSG:26977NAD83 / Kansas North
- EPSG:26978NAD83 / Kansas South
- EPSG:26980NAD83 / Kentucky South
- EPSG:26981NAD83 / Louisiana North
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.