EPSG:26785 NAD27 / Maryland
Système projeté (Lambert Conic Conformal (2SP)) en usage : USA - Maryland. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:26785 |
|---|---|
| Nom | NAD27 / 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 1927 |
| Ellipsoïde | Clarke 1866 a = 6378206.4 m · 1/f = 294.978698214 |
| Système géographique de base | EPSG:4267 — NAD27 |
| Unité | US survey foot (X east, Y north) |
| Transformation vers WGS 84 | NAD27 to WGS 84 (4) (EPSG:1173) — précision 10 m |
| Usage | Engineering survey, topographic mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of false origin | 37.833333333333336 | degree |
| Longitude of false origin | -77 | degree |
| Latitude of 1st standard parallel | 38.3 | degree |
| Latitude of 2nd standard parallel | 39.45 | degree |
| Easting at false origin | 800000 | US survey foot |
| Northing at false origin | 0 | US survey foot |
Définition proj4
+proj=lcc +lat_0=37.8333333333333 +lon_0=-77 +lat_1=38.3 +lat_2=39.45 +x_0=243840.487680975 +y_0=0 +a=6378206.4000000004 +rf=294.9786982139 +units=us-ft +towgs84=-8,160,176 +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:26785.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1927_StatePlane_Maryland_FIPS_1900",GEOGCS["GCS_North_American_1927",DATUM["D_North_American_1927",SPHEROID["Clarke_1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",800000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-77.0],PARAMETER["Standard_Parallel_1",38.3],PARAMETER["Standard_Parallel_2",39.45],PARAMETER["Latitude_Of_Origin",37.8333333333333],UNIT["US survey foot",0.304800609601219]]Autres systèmes — États-Unis
- EPSG:26774NAD27 / Indiana West
- EPSG:26775NAD27 / Iowa North
- EPSG:26776NAD27 / Iowa South
- EPSG:26777NAD27 / Kansas North
- EPSG:26778NAD27 / Kansas South
- EPSG:26779NAD27 / Kentucky North
- EPSG:26780NAD27 / Kentucky South
- EPSG:26781NAD27 / Louisiana North
- EPSG:26782NAD27 / Louisiana South
- EPSG:26783NAD27 / Maine East
- EPSG:26784NAD27 / Maine West
- EPSG:26786NAD27 / Massachusetts Mainland
- EPSG:26787NAD27 / Massachusetts Island
- EPSG:26791NAD27 / Minnesota North
- EPSG:26792NAD27 / Minnesota Central
- EPSG:26793NAD27 / Minnesota South
- EPSG:26794NAD27 / Mississippi East
- EPSG:26795NAD27 / Mississippi West
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.