EPSG:2847 NAD83(HARN) / Texas South Central
Système projeté (Lambert Conic Conformal (2SP)) en usage : USA - Texas - SPCS83 - SC. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:2847 |
|---|---|
| Nom | NAD83(HARN) / Texas South Central |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
USA - Texas - SPCS83 - SC United States (USA) - Texas - counties of Aransas; Atascosa; Austin; Bandera; Bee; Bexar; Brazoria; Brewster; Caldwell; Calhoun; Chambers; Colorado; Comal; De Witt; Dimmit; Edwards; Fayette; Fort Bend; Frio; Galveston; Goliad; Gonzales; Guadalupe; Harris; Hays; Jackson; Jefferson; Karnes; Kendall; Kerr; Kinney; La Salle; Lavaca; Live Oak; Matagorda; Maverick; McMullen; Medina; Presidio; Real; Refugio; Terrell; Uvalde; Val Verde; Victoria; Waller; Wharton; Wilson; Zavala. |
| Emprise | O -105,00° · S 27,78° · E -93,76° · N 30,67° |
| Pays | États-Unis |
| Datum | NAD83 (High Accuracy Reference Network) |
| Ellipsoïde | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Système géographique de base | EPSG:4152 — NAD83(HARN) |
| Unité | metre (X east, Y north) |
| Transformation vers WGS 84 | NAD83(HARN) to WGS 84 (3) (EPSG:1901) — précision 1 m |
| Usage | Engineering survey, topographic mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of false origin | 27.833333333333332 | degree |
| Longitude of false origin | -99 | degree |
| Latitude of 1st standard parallel | 30.283333333333335 | degree |
| Latitude of 2nd standard parallel | 28.383333333333333 | degree |
| Easting at false origin | 600000 | metre |
| Northing at false origin | 4000000 | metre |
Définition proj4
+proj=lcc +lat_0=27.8333333333333 +lon_0=-99 +lat_1=30.2833333333333 +lat_2=28.3833333333333 +x_0=600000 +y_0=4000000 +ellps=GRS80 +units=m +towgs84=-0.991,1.9072,0.5129,0.02579,0.00965,0.01166,0 +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:2847.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_HARN_StatePlane_Texas_South_Central_FIPS_4204",GEOGCS["GCS_North_American_1983_HARN",DATUM["D_North_American_1983_HARN",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",600000.0],PARAMETER["False_Northing",4000000.0],PARAMETER["Central_Meridian",-99.0],PARAMETER["Standard_Parallel_1",30.2833333333333],PARAMETER["Standard_Parallel_2",28.3833333333333],PARAMETER["Latitude_Of_Origin",27.8333333333333],UNIT["Meter",1.0]]
Autres systèmes — États-Unis
- EPSG:2838NAD83(HARN) / Oregon North
- EPSG:2839NAD83(HARN) / Oregon South
- EPSG:2840NAD83(HARN) / Rhode Island
- EPSG:2841NAD83(HARN) / South Dakota North
- EPSG:2842NAD83(HARN) / South Dakota South
- EPSG:2843NAD83(HARN) / Tennessee
- EPSG:2844NAD83(HARN) / Texas North
- EPSG:2845NAD83(HARN) / Texas North Central
- EPSG:2846NAD83(HARN) / Texas Central
- EPSG:2848NAD83(HARN) / Texas South
- EPSG:2849NAD83(HARN) / Utah North
- EPSG:2850NAD83(HARN) / Utah Central
- EPSG:2851NAD83(HARN) / Utah South
- EPSG:2852NAD83(HARN) / Vermont
- EPSG:2853NAD83(HARN) / Virginia North
- EPSG:2854NAD83(HARN) / Virginia South
- EPSG:2855NAD83(HARN) / Washington North
- EPSG:2856NAD83(HARN) / Washington South
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.