EPSG:3501 NAD83(NSRS2007) / Colorado Central
Système projeté (Lambert Conic Conformal (2SP)) en usage : USA - Colorado - SPCS - C. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:3501 |
|---|---|
| Nom | NAD83(NSRS2007) / Colorado Central |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
USA - Colorado - SPCS - C United States (USA) - Colorado - counties Arapahoe; Chaffee; Cheyenne; Clear Creek; Delta; Denver; Douglas; Eagle; El Paso; Elbert; Fremont; Garfield; Gunnison; Jefferson; Kit Carson; Lake; Lincoln; Mesa; Park; Pitkin; Summit; Teller. |
| Emprise | O -109,06° · S 38,14° · E -102,04° · N 40,09° |
| Pays | États-Unis |
| Datum | NAD83 (National Spatial Reference System 2007) |
| Ellipsoïde | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Système géographique de base | EPSG:4759 — NAD83(NSRS2007) |
| Unité | metre (X east, Y north) |
| Transformation vers WGS 84 | NAD83(NSRS2007) to WGS 84 (1) (EPSG:15931) — précision 2 m |
| Usage | Engineering survey, topographic mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of false origin | 37.833333333333336 | degree |
| Longitude of false origin | -105.5 | degree |
| Latitude of 1st standard parallel | 39.75 | degree |
| Latitude of 2nd standard parallel | 38.45 | degree |
| Easting at false origin | 914401.8289 | metre |
| Northing at false origin | 304800.6096 | metre |
Définition proj4
+proj=lcc +lat_0=37.8333333333333 +lon_0=-105.5 +lat_1=39.75 +lat_2=38.45 +x_0=914401.8289 +y_0=304800.6096 +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:3501.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_NSRS2007_StatePlane_Colorado_Central_FIPS_0502",GEOGCS["GCS_NAD_1983_NSRS2007",DATUM["D_NAD_1983_NSRS2007",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",39.75],PARAMETER["Standard_Parallel_2",38.45],PARAMETER["Latitude_Of_Origin",37.8333333333333],UNIT["Meter",1.0]]
Autres systèmes — États-Unis
- EPSG:3492NAD83(NSRS2007) / California zone 2 (ftUS)
- EPSG:3493NAD83(NSRS2007) / California zone 3
- EPSG:3494NAD83(NSRS2007) / California zone 3 (ftUS)
- EPSG:3495NAD83(NSRS2007) / California zone 4
- EPSG:3496NAD83(NSRS2007) / California zone 4 (ftUS)
- EPSG:3497NAD83(NSRS2007) / California zone 5
- EPSG:3498NAD83(NSRS2007) / California zone 5 (ftUS)
- EPSG:3499NAD83(NSRS2007) / California zone 6
- EPSG:3500NAD83(NSRS2007) / California zone 6 (ftUS)
- EPSG:3502NAD83(NSRS2007) / Colorado Central (ftUS)
- EPSG:3503NAD83(NSRS2007) / Colorado North
- EPSG:3504NAD83(NSRS2007) / Colorado North (ftUS)
- EPSG:3505NAD83(NSRS2007) / Colorado South
- EPSG:3506NAD83(NSRS2007) / Colorado South (ftUS)
- EPSG:3507NAD83(NSRS2007) / Connecticut
- EPSG:3508NAD83(NSRS2007) / Connecticut (ftUS)
- EPSG:3509NAD83(NSRS2007) / Delaware
- EPSG:3510NAD83(NSRS2007) / Delaware (ftUS)
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.