EPSG:3417 NAD83 / Iowa North (ftUS)
Système projeté (Lambert Conic Conformal (2SP)) en usage : USA - Iowa - SPCS - N. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:3417 |
|---|---|
| Nom | NAD83 / Iowa North (ftUS) |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
USA - Iowa - SPCS - N United States (USA) - Iowa - counties of Allamakee; Benton; Black Hawk; Boone; Bremer; Buchanan; Buena Vista; Butler; Calhoun; Carroll; Cerro Gordo; Cherokee; Chickasaw; Clay; Clayton; Crawford; Delaware; Dickinson; Dubuque; Emmet; Fayette; Floyd; Franklin; Greene; Grundy; Hamilton; Hancock; Hardin; Howard; Humboldt; Ida; Jackson; Jones; Kossuth; Linn; Lyon; Marshall; Mitchell; Monona; O'Brien; Osceola; Palo Alto; Plymouth; Pocahontas; Sac; Sioux; Story; Tama; Webster; Winnebago; Winneshiek; Woodbury; Worth; Wright. |
| Emprise | O -96,65° · S 41,85° · E -90,15° · N 43,51° |
| 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 | 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 | 41.5 | degree |
| Longitude of false origin | -93.5 | degree |
| Latitude of 1st standard parallel | 43.266666666666666 | degree |
| Latitude of 2nd standard parallel | 42.06666666666667 | degree |
| Easting at false origin | 4921250 | US survey foot |
| Northing at false origin | 3280833.3333 | US survey foot |
Définition proj4
+proj=lcc +lat_0=41.5 +lon_0=-93.5 +lat_1=43.2666666666667 +lat_2=42.0666666666667 +x_0=1500000 +y_0=999999.99998984 +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:3417.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_StatePlane_Iowa_North_FIPS_1401_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",4921250.0],PARAMETER["False_Northing",3280833.3333],PARAMETER["Central_Meridian",-93.5],PARAMETER["Standard_Parallel_1",43.2666666666667],PARAMETER["Standard_Parallel_2",42.0666666666667],PARAMETER["Latitude_Of_Origin",41.5],UNIT["US survey foot",0.304800609601219]]Autres systèmes — États-Unis
- EPSG:3404NAD83(HARN) / North Carolina (ftUS)
- EPSG:3418NAD83 / Iowa South (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.