EPSG:6488 NAD83(2011) / Maryland (ftUS)
Système projeté (Lambert Conic Conformal (2SP)) en usage : USA - Maryland. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:6488 |
|---|---|
| Nom | NAD83(2011) / Maryland (ftUS) |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
USA - Maryland United States (USA) - Maryland - counties of Allegany; Anne Arundel; Baltimore; Calvert; Caroline; Carroll; Cecil; Charles; Dorchester; Frederick; Garrett; Harford; Howard; Kent; Montgomery; Prince Georges; Queen Annes; Somerset; St Marys; Talbot; Washington; Wicomico; Worcester. |
| Emprise | O -79,49° · S 37,97° · E -74,97° · N 39,73° |
| 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 | 37.666666666666664 | degree |
| Longitude of false origin | -77 | degree |
| Latitude of 1st standard parallel | 39.45 | degree |
| Latitude of 2nd standard parallel | 38.3 | degree |
| Easting at false origin | 1312333.333 | US survey foot |
| Northing at false origin | 0 | US survey foot |
Définition proj4
+proj=lcc +lat_0=37.6666666666667 +lon_0=-77 +lat_1=39.45 +lat_2=38.3 +x_0=399999.9998984 +y_0=0 +ellps=GRS80 +units=us-ft +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:6488.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_2011_StatePlane_Maryland_FIPS_1900_Ft_US",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",1312333.333],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-77.0],PARAMETER["Standard_Parallel_1",39.45],PARAMETER["Standard_Parallel_2",38.3],PARAMETER["Latitude_Of_Origin",37.6666666666667],UNIT["US survey foot",0.304800609601219]]
Autres systèmes — États-Unis
- EPSG:6479NAD83(2011) / Louisiana South (ftUS)
- EPSG:6480NAD83(2011) / Maine CS2000 Central
- 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:6489NAD83(2011) / Massachusetts Island
- EPSG:6490NAD83(2011) / Massachusetts Island (ftUS)
- 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
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.