EPSG:3309 NAD27 / California Albers
Système projeté (Albers Equal Area) en usage : USA - California. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:3309 |
|---|---|
| Nom | NAD27 / California Albers |
| Type | Système projeté — Albers Equal Area |
| Zone d'usage |
USA - California United States (USA) - California. |
| Emprise | O -124,45° · S 32,53° · E -114,12° · N 42,01° |
| Pays | États-Unis |
| Datum | North American Datum 1927 |
| Ellipsoïde | Clarke 1866 a = 6378206.4 m · 1/f = 294.978698214 |
| Système géographique de base | EPSG:4267 — NAD27 |
| Unité | metre (X east, Y north) |
| Transformation vers WGS 84 | NAD27 to WGS 84 (6) (EPSG:1175) — précision 7 m |
| Usage | State-wide spatial data management. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of false origin | 0 | degree |
| Longitude of false origin | -120 | degree |
| Latitude of 1st standard parallel | 34 | degree |
| Latitude of 2nd standard parallel | 40.5 | degree |
| Easting at false origin | 0 | metre |
| Northing at false origin | -4000000 | metre |
Définition proj4
+proj=aea +lat_0=0 +lon_0=-120 +lat_1=34 +lat_2=40.5 +x_0=0 +y_0=-4000000 +a=6378206.4000000004 +rf=294.9786982139 +units=m +towgs84=-8,159,175 +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:3309.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1927_California_Teale_Albers",GEOGCS["GCS_North_American_1927",DATUM["D_North_American_1927",SPHEROID["Clarke_1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Albers"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",-4000000.0],PARAMETER["Central_Meridian",-120.0],PARAMETER["Standard_Parallel_1",34.0],PARAMETER["Standard_Parallel_2",40.5],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]Autres systèmes — États-Unis
- EPSG:3310NAD83 / California Albers
- EPSG:3311NAD83(HARN) / California Albers
- EPSG:3338NAD83 / Alaska Albers
- EPSG:3358NAD83(HARN) / North Carolina
- EPSG:3360NAD83(HARN) / South Carolina
- EPSG:3361NAD83(HARN) / South Carolina (ft)
- EPSG:3362NAD83(HARN) / Pennsylvania North
- EPSG:3363NAD83(HARN) / Pennsylvania North (ftUS)
- EPSG:3364NAD83(HARN) / Pennsylvania South
- EPSG:3365NAD83(HARN) / Pennsylvania South (ftUS)
- EPSG:3370NAD27 / UTM zone 59N
- EPSG:3371NAD27 / UTM zone 60N
- EPSG:3372NAD83 / UTM zone 59N
- EPSG:3373NAD83 / UTM zone 60N
- EPSG:3404NAD83(HARN) / North Carolina (ftUS)
- EPSG:3417NAD83 / Iowa North (ftUS)
- EPSG:3418NAD83 / Iowa South (ftUS)
- EPSG:3419NAD83 / Kansas North (ftUS)
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.