EPSG:3494 NAD83(NSRS2007) / California zone 3 (ftUS)
Système projeté (Lambert Conic Conformal (2SP)) en usage : USA - California - SPCS - 3. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:3494 |
|---|---|
| Nom | NAD83(NSRS2007) / California zone 3 (ftUS) |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
USA - California - SPCS - 3 United States (USA) - California - counties Alameda; Calaveras; Contra Costa; Madera; Marin; Mariposa; Merced; Mono; San Francisco; San Joaquin; San Mateo; Santa Clara; Santa Cruz; Stanislaus; Tuolumne. |
| Emprise | O -123,02° · S 36,73° · E -117,83° · N 38,71° |
| Pays | États-Unis |
| Datum | NAD83 (National Spatial Reference System 2007) |
| Ellipsoïde | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Système géographique de base | EPSG:4759 — NAD83(NSRS2007) |
| Unité | US survey foot (X east, Y north) |
| Transformation vers WGS 84 | NAD83(NSRS2007) to WGS 84 (1) (EPSG:15931) — précision 2 m |
| Usage | Engineering survey, topographic mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of false origin | 36.5 | degree |
| Longitude of false origin | -120.5 | degree |
| Latitude of 1st standard parallel | 38.43333333333333 | degree |
| Latitude of 2nd standard parallel | 37.06666666666667 | degree |
| Easting at false origin | 6561666.667 | US survey foot |
| Northing at false origin | 1640416.667 | US survey foot |
Définition proj4
+proj=lcc +lat_0=36.5 +lon_0=-120.5 +lat_1=38.4333333333333 +lat_2=37.0666666666667 +x_0=2000000.0001016 +y_0=500000.0001016 +ellps=GRS80 +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:3494.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_NSRS2007_StatePlane_California_III_FIPS_0403_Ft_US",GEOGCS["GCS_NAD_1983_NSRS2007",DATUM["D_NAD_1983_NSRS2007",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",6561666.667],PARAMETER["False_Northing",1640416.667],PARAMETER["Central_Meridian",-120.5],PARAMETER["Standard_Parallel_1",38.4333333333333],PARAMETER["Standard_Parallel_2",37.0666666666667],PARAMETER["Latitude_Of_Origin",36.5],UNIT["US survey foot",0.304800609601219]]Autres systèmes — États-Unis
- EPSG:3485NAD83(NSRS2007) / Arkansas North (ftUS)
- EPSG:3486NAD83(NSRS2007) / Arkansas South
- EPSG:3487NAD83(NSRS2007) / Arkansas South (ftUS)
- EPSG:3488NAD83(NSRS2007) / California Albers
- EPSG:3489NAD83(NSRS2007) / California zone 1
- EPSG:3490NAD83(NSRS2007) / California zone 1 (ftUS)
- EPSG:3491NAD83(NSRS2007) / California zone 2
- EPSG:3492NAD83(NSRS2007) / California zone 2 (ftUS)
- EPSG:3493NAD83(NSRS2007) / California zone 3
- EPSG:3495NAD83(NSRS2007) / California zone 4
- EPSG:3496NAD83(NSRS2007) / California zone 4 (ftUS)
- EPSG:3497NAD83(NSRS2007) / California zone 5
- EPSG:3498NAD83(NSRS2007) / California zone 5 (ftUS)
- EPSG:3499NAD83(NSRS2007) / California zone 6
- EPSG:3500NAD83(NSRS2007) / California zone 6 (ftUS)
- EPSG:3501NAD83(NSRS2007) / Colorado Central
- EPSG:3502NAD83(NSRS2007) / Colorado Central (ftUS)
- EPSG:3503NAD83(NSRS2007) / Colorado North
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.