EPSG:2893 NAD83(HARN) / 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:2893 |
|---|---|
| Nom | NAD83(HARN) / 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 (High Accuracy Reference Network) |
| Ellipsoïde | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Système géographique de base | EPSG:4152 — NAD83(HARN) |
| Unité | US survey foot (X east, Y north) |
| Transformation vers WGS 84 | NAD83(HARN) to WGS 84 (3) (EPSG:1901) — précision 1 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=-0.991,1.9072,0.5129,0.02579,0.00965,0.01166,0 +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:2893.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_HARN_StatePlane_Maryland_FIPS_1900_Feet",GEOGCS["GCS_North_American_1983_HARN",DATUM["D_North_American_1983_HARN",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:2883NAD83(HARN) / Florida North (ftUS)
- EPSG:2884NAD83(HARN) / Georgia East (ftUS)
- EPSG:2885NAD83(HARN) / Georgia West (ftUS)
- EPSG:2886NAD83(HARN) / Idaho East (ftUS)
- EPSG:2887NAD83(HARN) / Idaho Central (ftUS)
- EPSG:2888NAD83(HARN) / Idaho West (ftUS)
- EPSG:2891NAD83(HARN) / Kentucky North (ftUS)
- EPSG:2892NAD83(HARN) / Kentucky South (ftUS)
- EPSG:2894NAD83(HARN) / Massachusetts Mainland (ftUS)
- EPSG:2895NAD83(HARN) / Massachusetts Island (ftUS)
- EPSG:2896NAD83(HARN) / Michigan North (ft)
- EPSG:2897NAD83(HARN) / Michigan Central (ft)
- EPSG:2898NAD83(HARN) / Michigan South (ft)
- EPSG:2899NAD83(HARN) / Mississippi East (ftUS)
- EPSG:2900NAD83(HARN) / Mississippi West (ftUS)
- EPSG:2901NAD83(HARN) / Montana (ft)
- EPSG:2902NAD83(HARN) / New Mexico East (ftUS)
- EPSG:2903NAD83(HARN) / New Mexico Central (ftUS)
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.