EPSG:6490 NAD83(2011) / Massachusetts Island (ftUS)
Système projeté (Lambert Conic Conformal (2SP)) en usage : USA - Massachusetts - SPCS - islands. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:6490 |
|---|---|
| Nom | NAD83(2011) / Massachusetts Island (ftUS) |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
USA - Massachusetts - SPCS - islands United States (USA) - Massachusetts offshore - counties of Dukes; Nantucket. |
| Emprise | O -70,91° · S 41,19° · E -69,89° · N 41,51° |
| 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 | US survey foot (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 | 41 | degree |
| Longitude of false origin | -70.5 | degree |
| Latitude of 1st standard parallel | 41.483333333333334 | degree |
| Latitude of 2nd standard parallel | 41.28333333333333 | degree |
| Easting at false origin | 1640416.667 | US survey foot |
| Northing at false origin | 0 | US survey foot |
Définition proj4
+proj=lcc +lat_0=41 +lon_0=-70.5 +lat_1=41.4833333333333 +lat_2=41.2833333333333 +x_0=500000.0001016 +y_0=0 +ellps=GRS80 +units=us-ft +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:6490.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_2011_StatePlane_Massachusetts_Isl_FIPS_2002_FtUS",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",1640416.667],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-70.5],PARAMETER["Standard_Parallel_1",41.4833333333333],PARAMETER["Standard_Parallel_2",41.2833333333333],PARAMETER["Latitude_Of_Origin",41.0],UNIT["US survey foot",0.304800609601219]]Autres systèmes — États-Unis
- EPSG:6481NAD83(2011) / Maine CS2000 East
- EPSG:6482NAD83(2011) / Maine CS2000 West
- EPSG:6483NAD83(2011) / Maine East
- EPSG:6484NAD83(2011) / Maine East (ftUS)
- EPSG:6485NAD83(2011) / Maine West
- EPSG:6486NAD83(2011) / Maine West (ftUS)
- EPSG:6487NAD83(2011) / Maryland
- EPSG:6488NAD83(2011) / Maryland (ftUS)
- EPSG:6489NAD83(2011) / Massachusetts Island
- EPSG:6491NAD83(2011) / Massachusetts Mainland
- EPSG:6492NAD83(2011) / Massachusetts Mainland (ftUS)
- EPSG:6493NAD83(2011) / Michigan Central
- EPSG:6494NAD83(2011) / Michigan Central (ft)
- EPSG:6495NAD83(2011) / Michigan North
- EPSG:6496NAD83(2011) / Michigan North (ft)
- EPSG:6497NAD83(2011) / Michigan Oblique Mercator
- EPSG:6498NAD83(2011) / Michigan South
- EPSG:6499NAD83(2011) / Michigan South (ft)
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.