EPSG:2256 NAD83 / Montana (ft)
Système projeté (Lambert Conic Conformal (2SP)) en usage : USA - Montana. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:2256 |
|---|---|
| Nom | NAD83 / Montana (ft) |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
USA - Montana United States (USA) - Montana - counties of Beaverhead; Big Horn; Blaine; Broadwater; Carbon; Carter; Cascade; Chouteau; Custer; Daniels; Dawson; Deer Lodge; Fallon; Fergus; Flathead; Gallatin; Garfield; Glacier; Golden Valley; Granite; Hill; Jefferson; Judith Basin; Lake; Lewis and Clark; Liberty; Lincoln; Madison; McCone; Meagher; Mineral; Missoula; Musselshell; Park; Petroleum; Phillips; Pondera; Powder River; Powell; Prairie; Ravalli; Richland; Roosevelt; Rosebud; Sanders; Sheridan; Silver Bow; Stillwater; Sweet Grass; Teton; Toole; Treasure; Valley; Wheatland; Wibaux; Yellowstone. |
| Emprise | O -116,07° · S 44,35° · E -104,04° · N 49,01° |
| 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 | foot (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 | 44.25 | degree |
| Longitude of false origin | -109.5 | degree |
| Latitude of 1st standard parallel | 49 | degree |
| Latitude of 2nd standard parallel | 45 | degree |
| Easting at false origin | 1968503.937 | foot |
| Northing at false origin | 0 | foot |
Définition proj4
+proj=lcc +lat_0=44.25 +lon_0=-109.5 +lat_1=49 +lat_2=45 +x_0=599999.9999976 +y_0=0 +a=6378137 +rf=298.257222101 +units=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:2256.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_StatePlane_Montana_FIPS_2500_Feet_Intl",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",1968503.937],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-109.5],PARAMETER["Standard_Parallel_1",49.0],PARAMETER["Standard_Parallel_2",45.0],PARAMETER["Latitude_Of_Origin",44.25],UNIT["foot",0.3048]]Autres systèmes — États-Unis
- EPSG:2247NAD83 / Kentucky South (ftUS)
- EPSG:2248NAD83 / Maryland (ftUS)
- EPSG:2249NAD83 / Massachusetts Mainland (ftUS)
- EPSG:2250NAD83 / Massachusetts Island (ftUS)
- EPSG:2251NAD83 / Michigan North (ft)
- EPSG:2252NAD83 / Michigan Central (ft)
- EPSG:2253NAD83 / Michigan South (ft)
- EPSG:2254NAD83 / Mississippi East (ftUS)
- EPSG:2255NAD83 / Mississippi West (ftUS)
- EPSG:2257NAD83 / New Mexico East (ftUS)
- EPSG:2258NAD83 / New Mexico Central (ftUS)
- EPSG:2259NAD83 / New Mexico West (ftUS)
- EPSG:2260NAD83 / New York East (ftUS)
- EPSG:2261NAD83 / New York Central (ftUS)
- EPSG:2262NAD83 / New York West (ftUS)
- EPSG:2263NAD83 / New York Long Island (ftUS)
- EPSG:2264NAD83 / North Carolina (ftUS)
- EPSG:2265NAD83 / North Dakota North (ft)
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.