EPSG:3418 NAD83 / Iowa South (ftUS)
Système projeté (Lambert Conic Conformal (2SP)) en usage : USA - Iowa - SPCS - S. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:3418 |
|---|---|
| Nom | NAD83 / Iowa South (ftUS) |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
USA - Iowa - SPCS - S United States (USA) - Iowa - counties of Adair; Adams; Appanoose; Audubon; Cass; Cedar; Clarke; Clinton; Dallas; Davis; Decatur; Des Moines; Fremont; Guthrie; Harrison; Henry; Iowa; Jasper; Jefferson; Johnson; Keokuk; Lee; Louisa; Lucas; Madison; Mahaska; Marion; Mills; Monroe; Montgomery; Muscatine; Page; Polk; Pottawattamie; Poweshiek; Ringgold; Scott; Shelby; Taylor; Union; Van Buren; Wapello; Warren; Washington; Wayne. |
| Emprise | O -96,14° · S 40,36° · E -90,14° · N 42,04° |
| 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 | US survey foot (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 false origin | 40 | degree |
| Longitude of false origin | -93.5 | degree |
| Latitude of 1st standard parallel | 41.78333333333333 | degree |
| Latitude of 2nd standard parallel | 40.61666666666667 | degree |
| Easting at false origin | 1640416.6667 | US survey foot |
| Northing at false origin | 0 | US survey foot |
Définition proj4
+proj=lcc +lat_0=40 +lon_0=-93.5 +lat_1=41.7833333333333 +lat_2=40.6166666666667 +x_0=500000.00001016 +y_0=0 +a=6378137 +rf=298.257222101 +units=us-ft +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:3418.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_StatePlane_Iowa_South_FIPS_1402_Feet",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["Lambert_Conformal_Conic"],PARAMETER["False_Easting",1640416.6667],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-93.5],PARAMETER["Standard_Parallel_1",41.7833333333333],PARAMETER["Standard_Parallel_2",40.6166666666667],PARAMETER["Latitude_Of_Origin",40.0],UNIT["US survey foot",0.304800609601219]]Autres systèmes — États-Unis
- EPSG:3404NAD83(HARN) / North Carolina (ftUS)
- EPSG:3417NAD83 / Iowa North (ftUS)
- EPSG:3419NAD83 / Kansas North (ftUS)
- EPSG:3420NAD83 / Kansas South (ftUS)
- EPSG:3421NAD83 / Nevada East (ftUS)
- EPSG:3422NAD83 / Nevada Central (ftUS)
- EPSG:3423NAD83 / Nevada West (ftUS)
- EPSG:3424NAD83 / New Jersey (ftUS)
- EPSG:3425NAD83(HARN) / Iowa North (ftUS)
- EPSG:3426NAD83(HARN) / Iowa South (ftUS)
- EPSG:3427NAD83(HARN) / Kansas North (ftUS)
- EPSG:3428NAD83(HARN) / Kansas South (ftUS)
- EPSG:3429NAD83(HARN) / Nevada East (ftUS)
- 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)
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.