EPSG:26985 NAD83 / Maryland
Système projeté (Lambert Conic Conformal (2SP)) en usage : USA - Maryland. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:26985 |
|---|---|
| Nom | NAD83 / Maryland |
| 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 | North American Datum 1983 |
| Ellipsoïde | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Système géographique de base | EPSG:4269 — NAD83 |
| Unité | metre (X east, Y north) |
| Transformation vers WGS 84 | NAD83 to WGS 84 (1) (EPSG:1188) — précision 4 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 | 400000 | metre |
| Northing at false origin | 0 | metre |
Définition proj4
+proj=lcc +lat_0=37.6666666666667 +lon_0=-77 +lat_1=39.45 +lat_2=38.3 +x_0=400000 +y_0=0 +a=6378137 +rf=298.257222101 +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:26985.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_StatePlane_Maryland_FIPS_1900",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",400000.0],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["Meter",1.0]]Autres systèmes — États-Unis
- EPSG:26975NAD83 / Iowa North
- EPSG:26976NAD83 / Iowa South
- EPSG:26977NAD83 / Kansas North
- EPSG:26978NAD83 / Kansas South
- EPSG:26980NAD83 / Kentucky South
- EPSG:26981NAD83 / Louisiana North
- EPSG:26982NAD83 / Louisiana South
- EPSG:26983NAD83 / Maine East
- EPSG:26984NAD83 / Maine West
- EPSG:26986NAD83 / Massachusetts Mainland
- EPSG:26987NAD83 / Massachusetts Island
- EPSG:26988NAD83 / Michigan North
- EPSG:26989NAD83 / Michigan Central
- EPSG:26990NAD83 / Michigan South
- EPSG:26991NAD83 / Minnesota North
- EPSG:26992NAD83 / Minnesota Central
- EPSG:26993NAD83 / Minnesota South
- EPSG:26994NAD83 / Mississippi East
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.