EPSG:3685 NAD83(NSRS2007) / Virginia North
Système projeté (Lambert Conic Conformal (2SP)) en usage : USA - Virginia - SPCS - N. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:3685 |
|---|---|
| Nom | NAD83(NSRS2007) / Virginia North |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
USA - Virginia - SPCS - N United States (USA) - Virginia - counties of Arlington; Augusta; Bath; Caroline; Clarke; Culpeper; Fairfax; Fauquier; Frederick; Greene; Highland; King George; Loudoun; Madison; Orange; Page; Prince William; Rappahannock; Rockingham; Shenandoah; Spotsylvania; Stafford; Warren; Westmoreland. |
| Emprise | O -80,06° · S 37,77° · E -76,51° · N 39,46° |
| 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 | 37.666666666666664 | degree |
| Longitude of false origin | -78.5 | degree |
| Latitude of 1st standard parallel | 39.2 | degree |
| Latitude of 2nd standard parallel | 38.03333333333333 | degree |
| Easting at false origin | 3500000 | metre |
| Northing at false origin | 2000000 | metre |
Définition proj4
+proj=lcc +lat_0=37.6666666666667 +lon_0=-78.5 +lat_1=39.2 +lat_2=38.0333333333333 +x_0=3500000 +y_0=2000000 +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:3685.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_NSRS2007_StatePlane_Virginia_North_FIPS_4501",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",3500000.0],PARAMETER["False_Northing",2000000.0],PARAMETER["Central_Meridian",-78.5],PARAMETER["Standard_Parallel_1",39.2],PARAMETER["Standard_Parallel_2",38.0333333333333],PARAMETER["Latitude_Of_Origin",37.6666666666667],UNIT["Meter",1.0]]Autres systèmes — États-Unis
- EPSG:3676NAD83(NSRS2007) / Utah Central (ft)
- EPSG:3677NAD83(NSRS2007) / Utah Central (ftUS)
- EPSG:3678NAD83(NSRS2007) / Utah North
- EPSG:3679NAD83(NSRS2007) / Utah North (ft)
- EPSG:3680NAD83(NSRS2007) / Utah North (ftUS)
- EPSG:3681NAD83(NSRS2007) / Utah South
- EPSG:3682NAD83(NSRS2007) / Utah South (ft)
- EPSG:3683NAD83(NSRS2007) / Utah South (ftUS)
- EPSG:3684NAD83(NSRS2007) / Vermont
- EPSG:3686NAD83(NSRS2007) / Virginia North (ftUS)
- EPSG:3687NAD83(NSRS2007) / Virginia South
- EPSG:3688NAD83(NSRS2007) / Virginia South (ftUS)
- EPSG:3689NAD83(NSRS2007) / Washington North
- EPSG:3690NAD83(NSRS2007) / Washington North (ftUS)
- EPSG:3691NAD83(NSRS2007) / Washington South
- EPSG:3692NAD83(NSRS2007) / Washington South (ftUS)
- EPSG:3693NAD83(NSRS2007) / West Virginia North
- EPSG:3694NAD83(NSRS2007) / West Virginia South
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.