EPSG:6431 NAD83(2011) / Colorado South
Système projeté (Lambert Conic Conformal (2SP)) en usage : USA - Colorado - SPCS - S. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:6431 |
|---|---|
| Nom | NAD83(2011) / Colorado South |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
USA - Colorado - SPCS - S United States (USA) - Colorado - counties Alamosa; Archuleta; Baca; Bent; Conejos; Costilla; Crowley; Custer; Dolores; Hinsdale; Huerfano; Kiowa; La Plata; Las Animas; Mineral; Montezuma; Montrose; Otero; Ouray; Prowers; Pueblo; Rio Grande; Saguache; San Juan; San Miguel. |
| Emprise | O -109,06° · S 36,98° · E -102,04° · N 38,68° |
| 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 false origin | 36.666666666666664 | degree |
| Longitude of false origin | -105.5 | degree |
| Latitude of 1st standard parallel | 38.43333333333333 | degree |
| Latitude of 2nd standard parallel | 37.233333333333334 | degree |
| Easting at false origin | 914401.8289 | metre |
| Northing at false origin | 304800.6096 | metre |
Définition proj4
+proj=lcc +lat_0=36.6666666666667 +lon_0=-105.5 +lat_1=38.4333333333333 +lat_2=37.2333333333333 +x_0=914401.8289 +y_0=304800.6096 +ellps=GRS80 +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:6431.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_2011_StatePlane_Colorado_South_FIPS_0503",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["Lambert_Conformal_Conic"],PARAMETER["False_Easting",914401.8289],PARAMETER["False_Northing",304800.6096],PARAMETER["Central_Meridian",-105.5],PARAMETER["Standard_Parallel_1",38.4333333333333],PARAMETER["Standard_Parallel_2",37.2333333333333],PARAMETER["Latitude_Of_Origin",36.6666666666667],UNIT["Meter",1.0]]Autres systèmes — États-Unis
- EPSG:6422NAD83(2011) / California zone 4 (ftUS)
- EPSG:6423NAD83(2011) / California zone 5
- EPSG:6424NAD83(2011) / California zone 5 (ftUS)
- EPSG:6425NAD83(2011) / California zone 6
- EPSG:6426NAD83(2011) / California zone 6 (ftUS)
- EPSG:6427NAD83(2011) / Colorado Central
- EPSG:6428NAD83(2011) / Colorado Central (ftUS)
- EPSG:6429NAD83(2011) / Colorado North
- EPSG:6430NAD83(2011) / Colorado North (ftUS)
- EPSG:6432NAD83(2011) / Colorado South (ftUS)
- EPSG:6433NAD83(2011) / Connecticut
- EPSG:6434NAD83(2011) / Connecticut (ftUS)
- EPSG:6435NAD83(2011) / Delaware
- EPSG:6436NAD83(2011) / Delaware (ftUS)
- EPSG:6437NAD83(2011) / Florida East
- EPSG:6438NAD83(2011) / Florida East (ftUS)
- EPSG:6439NAD83(2011) / Florida GDL Albers
- EPSG:6440NAD83(2011) / Florida North
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.