EPSG:2277 NAD83 / Texas Central (ftUS)
Système projeté (Lambert Conic Conformal (2SP)) en usage : USA - Texas - SPCS - C. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:2277 |
|---|---|
| Nom | NAD83 / Texas Central (ftUS) |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
USA - Texas - SPCS - C United States (USA) - Texas - counties of Anderson; Angelina; Bastrop; Bell; Blanco; Bosque; Brazos; Brown; Burleson; Burnet; Cherokee; Coke; Coleman; Comanche; Concho; Coryell; Crane; Crockett; Culberson; Ector; El Paso; Falls; Freestone; Gillespie; Glasscock; Grimes; Hamilton; Hardin; Houston; Hudspeth; Irion; Jasper; Jeff Davis; Kimble; Lampasas; Lee; Leon; Liberty; Limestone; Llano; Loving; Madison; Mason; McCulloch; McLennan; Menard; Midland; Milam; Mills; Montgomery; Nacogdoches; Newton; Orange; Pecos; Polk; Reagan; Reeves; Robertson; Runnels; Sabine; San Augustine; San Jacinto; San Saba |
| Emprise | O -106,66° · S 29,78° · E -93,50° · N 32,27° |
| 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 | 29.666666666666668 | degree |
| Longitude of false origin | -100.33333333333333 | degree |
| Latitude of 1st standard parallel | 31.883333333333333 | degree |
| Latitude of 2nd standard parallel | 30.116666666666667 | degree |
| Easting at false origin | 2296583.333 | US survey foot |
| Northing at false origin | 9842500 | US survey foot |
Définition proj4
+proj=lcc +lat_0=29.6666666666667 +lon_0=-100.333333333333 +lat_1=31.8833333333333 +lat_2=30.1166666666667 +x_0=699999.9998984 +y_0=3000000 +a=6378137 +rf=298.257222101 +units=us-ft +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:2277.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_StatePlane_Texas_Central_FIPS_4203_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",2296583.333],PARAMETER["False_Northing",9842500.0],PARAMETER["Central_Meridian",-100.333333333333],PARAMETER["Standard_Parallel_1",31.8833333333333],PARAMETER["Standard_Parallel_2",30.1166666666667],PARAMETER["Latitude_Of_Origin",29.6666666666667],UNIT["US survey foot",0.304800609601219]]
Autres systèmes — États-Unis
- EPSG:2268NAD83 / Oklahoma South (ftUS)
- EPSG:2269NAD83 / Oregon North (ft)
- EPSG:2270NAD83 / Oregon South (ft)
- 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: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:2285NAD83 / Washington North (ftUS)
- EPSG:2286NAD83 / Washington South (ftUS)
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.