EPSG:26929 NAD83 / Alabama East
Système projeté (Transverse Mercator) en usage : USA - Alabama - SPCS - E. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:26929 |
|---|---|
| Nom | NAD83 / Alabama East |
| Type | Système projeté — Transverse Mercator |
| Zone d'usage |
USA - Alabama - SPCS - E United States (USA) - Alabama east of approximately 86°37'W - counties Barbour; Bullock; Calhoun; Chambers; Cherokee; Clay; Cleburne; Coffee; Coosa; Covington; Crenshaw; Dale; De Kalb; Elmore; Etowah; Geneva; Henry; Houston; Jackson; Lee; Macon; Madison; Marshall; Montgomery; Pike; Randolph; Russell; StClair; Talladega; Tallapoosa. |
| Emprise | O -86,79° · S 30,99° · E -84,89° · N 35,00° |
| 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 | metre (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 natural origin | 30.5 | degree |
| Longitude of natural origin | -85.83333333333333 | degree |
| Scale factor at natural origin | 0.99996 | unity |
| False easting | 200000 | metre |
| False northing | 0 | metre |
Définition proj4
+proj=tmerc +lat_0=30.5 +lon_0=-85.8333333333333 +k=0.99996 +x_0=200000 +y_0=0 +a=6378137 +rf=298.257222101 +units=m +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:26929.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_StatePlane_Alabama_East_FIPS_0101",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["Transverse_Mercator"],PARAMETER["False_Easting",200000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-85.8333333333333],PARAMETER["Scale_Factor",0.99996],PARAMETER["Latitude_Of_Origin",30.5],UNIT["Meter",1.0]]Autres systèmes — États-Unis
- EPSG:26915NAD83 / UTM zone 15N
- EPSG:26916NAD83 / UTM zone 16N
- EPSG:26917NAD83 / UTM zone 17N
- EPSG:26918NAD83 / UTM zone 18N
- EPSG:26919NAD83 / UTM zone 19N
- EPSG:26930NAD83 / Alabama West
- EPSG:26931NAD83 / Alaska zone 1
- EPSG:26932NAD83 / Alaska zone 2
- EPSG:26933NAD83 / Alaska zone 3
- EPSG:26934NAD83 / Alaska zone 4
- EPSG:26935NAD83 / Alaska zone 5
- EPSG:26936NAD83 / Alaska zone 6
- EPSG:26937NAD83 / Alaska zone 7
- EPSG:26938NAD83 / Alaska zone 8
- EPSG:26939NAD83 / Alaska zone 9
- EPSG:26940NAD83 / Alaska zone 10
- EPSG:26941NAD83 / California zone 1
- EPSG:26942NAD83 / California zone 2
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.