EPSG:3443 NAD83(HARN) / Illinois East (ftUS)
Système projeté (Transverse Mercator) en usage : USA - Illinois - SPCS - E. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:3443 |
|---|---|
| Nom | NAD83(HARN) / Illinois East (ftUS) |
| Type | Système projeté — Transverse Mercator |
| Zone d'usage |
USA - Illinois - SPCS - E United States (USA) - Illinois - counties of Boone; Champaign; Clark; Clay; Coles; Cook; Crawford; Cumberland; De Kalb; De Witt; Douglas; Du Page; Edgar; Edwards; Effingham; Fayette; Ford; Franklin; Gallatin; Grundy; Hamilton; Hardin; Iroquois; Jasper; Jefferson; Johnson; Kane; Kankakee; Kendall; La Salle; Lake; Lawrence; Livingston; Macon; Marion; Massac; McHenry; McLean; Moultrie; Piatt; Pope; Richland; Saline; Shelby; Vermilion; Wabash; Wayne; White; Will; Williamson. |
| Emprise | O -89,27° · S 37,06° · E -87,02° · N 42,50° |
| Pays | États-Unis |
| Datum | NAD83 (High Accuracy Reference Network) |
| Ellipsoïde | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Système géographique de base | EPSG:4152 — NAD83(HARN) |
| Unité | US survey foot (X east, Y north) |
| Transformation vers WGS 84 | NAD83(HARN) to WGS 84 (3) (EPSG:1901) — précision 1 m |
| Usage | Engineering survey, topographic mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of natural origin | 36.666666666666664 | degree |
| Longitude of natural origin | -88.33333333333333 | degree |
| Scale factor at natural origin | 0.999975 | unity |
| False easting | 984250 | US survey foot |
| False northing | 0 | US survey foot |
Définition proj4
+proj=tmerc +lat_0=36.6666666666667 +lon_0=-88.3333333333333 +k=0.999975 +x_0=300000 +y_0=0 +ellps=GRS80 +units=us-ft +towgs84=-0.991,1.9072,0.5129,0.02579,0.00965,0.01166,0 +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:3443.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_HARN_StatePlane_Illinois_East_FIPS_1201_Feet",GEOGCS["GCS_North_American_1983_HARN",DATUM["D_North_American_1983_HARN",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",984250.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-88.3333333333333],PARAMETER["Scale_Factor",0.999975],PARAMETER["Latitude_Of_Origin",36.6666666666667],UNIT["US survey foot",0.304800609601219]]Autres systèmes — États-Unis
- EPSG:3430NAD83(HARN) / Nevada Central (ftUS)
- EPSG:3431NAD83(HARN) / Nevada West (ftUS)
- EPSG:3432NAD83(HARN) / New Jersey (ftUS)
- EPSG:3433NAD83 / Arkansas North (ftUS)
- EPSG:3434NAD83 / Arkansas South (ftUS)
- EPSG:3435NAD83 / Illinois East (ftUS)
- EPSG:3436NAD83 / Illinois West (ftUS)
- EPSG:3437NAD83 / New Hampshire (ftUS)
- EPSG:3438NAD83 / Rhode Island (ftUS)
- EPSG:3441NAD83(HARN) / Arkansas North (ftUS)
- EPSG:3442NAD83(HARN) / Arkansas South (ftUS)
- EPSG:3444NAD83(HARN) / Illinois West (ftUS)
- EPSG:3445NAD83(HARN) / New Hampshire (ftUS)
- EPSG:3446NAD83(HARN) / Rhode Island (ftUS)
- EPSG:3451NAD83 / Louisiana North (ftUS)
- EPSG:3452NAD83 / Louisiana South (ftUS)
- EPSG:3453NAD83 / Louisiana Offshore (ftUS)
- EPSG:3455NAD83 / South Dakota South (ftUS)
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.