EPSG:6356 NAD83(2011) / Alabama West
Système projeté (Transverse Mercator) en usage : USA - Alabama - SPCS - W. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:6356 |
|---|---|
| Nom | NAD83(2011) / Alabama West |
| Type | Système projeté — Transverse Mercator |
| Zone d'usage |
USA - Alabama - SPCS - W United States (USA) - Alabama west of approximately 86°37'W - counties Autauga; Baldwin; Bibb; Blount; Butler; Chilton; Choctaw; Clarke; Colbert; Conecuh; Cullman; Dallas; Escambia; Fayette; Franklin; Greene; Hale; Jefferson; Lamar; Lauderdale; Lawrence; Limestone; Lowndes; Marengo; Marion; Mobile; Monroe; Morgan; Perry; Pickens; Shelby; Sumter; Tuscaloosa; Walker; Washington; Wilcox; Winston. |
| Emprise | O -88,48° · S 30,14° · E -86,30° · N 35,02° |
| Pays | États-Unis |
| Datum | NAD83 (National Spatial Reference System 2011) |
| Ellipsoïde | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Système géographique de base | EPSG:6318 — NAD83(2011) |
| Unité | metre (X east, Y north) |
| Transformation vers WGS 84 | NAD83(2011) to WGS 84 (1) (EPSG:9774) — précision 2 m |
| Usage | Engineering survey, topographic mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of natural origin | 30 | degree |
| Longitude of natural origin | -87.5 | degree |
| Scale factor at natural origin | 0.999933333 | unity |
| False easting | 600000 | metre |
| False northing | 0 | metre |
Définition proj4
+proj=tmerc +lat_0=30 +lon_0=-87.5 +k=0.999933333 +x_0=600000 +y_0=0 +ellps=GRS80 +units=m +towgs84=0,0,0 +no_defs
À coller dans QGIS, proj4js, PostGIS (spatial_ref_sys) ou GDAL. +towgs84 porte la transformation EPSG vers WGS 84 ; le code officiel reste EPSG:6356.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_2011_StatePlane_Alabama_West_FIPS_0102",GEOGCS["GCS_NAD_1983_2011",DATUM["D_NAD_1983_2011",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",600000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-87.5],PARAMETER["Scale_Factor",0.999933333],PARAMETER["Latitude_Of_Origin",30.0],UNIT["Meter",1.0]]
Autres systèmes — États-Unis
- EPSG:6333NAD83(2011) / UTM zone 4N
- EPSG:6334NAD83(2011) / UTM zone 5N
- EPSG:6335NAD83(2011) / UTM zone 6N
- EPSG:6336NAD83(2011) / UTM zone 7N
- EPSG:6337NAD83(2011) / UTM zone 8N
- EPSG:6338NAD83(2011) / UTM zone 9N
- EPSG:6339NAD83(2011) / UTM zone 10N
- EPSG:6340NAD83(2011) / UTM zone 11N
- EPSG:6341NAD83(2011) / UTM zone 12N
- EPSG:6342NAD83(2011) / UTM zone 13N
- EPSG:6343NAD83(2011) / UTM zone 14N
- EPSG:6344NAD83(2011) / UTM zone 15N
- EPSG:6345NAD83(2011) / UTM zone 16N
- EPSG:6346NAD83(2011) / UTM zone 17N
- EPSG:6347NAD83(2011) / UTM zone 18N
- EPSG:6348NAD83(2011) / UTM zone 19N
- EPSG:6350NAD83(2011) / Conus Albers
- EPSG:6355NAD83(2011) / Alabama East
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.