EPSG:2285 NAD83 / Washington North (ftUS)
Système projeté (Lambert Conic Conformal (2SP)) en usage : USA - Washington - SPCS83 - N. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:2285 |
|---|---|
| Nom | NAD83 / Washington North (ftUS) |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
USA - Washington - SPCS83 - N United States (USA) - Washington - counties of Chelan; Clallam; Douglas; Ferry; Grant north of approximately 47°30'N; Island; Jefferson; King; Kitsap; Lincoln; Okanogan; Pend Oreille; San Juan; Skagit; Snohomish; Spokane; Stevens; Whatcom. |
| Emprise | O -124,79° · S 47,08° · E -117,02° · N 49,05° |
| 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 | 47 | degree |
| Longitude of false origin | -120.83333333333333 | degree |
| Latitude of 1st standard parallel | 48.733333333333334 | degree |
| Latitude of 2nd standard parallel | 47.5 | degree |
| Easting at false origin | 1640416.667 | US survey foot |
| Northing at false origin | 0 | US survey foot |
Définition proj4
+proj=lcc +lat_0=47 +lon_0=-120.833333333333 +lat_1=48.7333333333333 +lat_2=47.5 +x_0=500000.0001016 +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:2285.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_StatePlane_Washington_North_FIPS_4601_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",1640416.667],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-120.833333333333],PARAMETER["Standard_Parallel_1",48.7333333333333],PARAMETER["Standard_Parallel_2",47.5],PARAMETER["Latitude_Of_Origin",47.0],UNIT["US survey foot",0.304800609601219]]Autres systèmes — États-Unis
- EPSG:2271NAD83 / Pennsylvania North (ftUS)
- EPSG:2272NAD83 / Pennsylvania South (ftUS)
- EPSG:2273NAD83 / South Carolina (ft)
- EPSG:2274NAD83 / Tennessee (ftUS)
- EPSG:2275NAD83 / Texas North (ftUS)
- EPSG:2276NAD83 / Texas North Central (ftUS)
- EPSG:2277NAD83 / Texas Central (ftUS)
- EPSG:2278NAD83 / Texas South Central (ftUS)
- EPSG:2279NAD83 / Texas South (ftUS)
- EPSG:2280NAD83 / Utah North (ft)
- EPSG:2281NAD83 / Utah Central (ft)
- EPSG:2282NAD83 / Utah South (ft)
- EPSG:2283NAD83 / Virginia North (ftUS)
- EPSG:2284NAD83 / Virginia South (ftUS)
- EPSG:2286NAD83 / Washington South (ftUS)
- EPSG:2287NAD83 / Wisconsin North (ftUS)
- EPSG:2288NAD83 / Wisconsin Central (ftUS)
- EPSG:2289NAD83 / Wisconsin South (ftUS)
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.