EPSG:2803 NAD83(HARN) / Maine West
Système projeté (Transverse Mercator) en usage : USA - Maine - SPCS - W. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:2803 |
|---|---|
| Nom | NAD83(HARN) / Maine West |
| Type | Système projeté — Transverse Mercator |
| Zone d'usage |
USA - Maine - SPCS - W United States (USA) - Maine - counties of Androscoggin; Cumberland; Franklin; Kennebec; Lincoln; Oxford; Sagadahoc; Somerset; York. |
| Emprise | O -71,09° · S 43,04° · E -69,26° · N 46,58° |
| 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 | metre (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 natural origin | 42.833333333333336 | degree |
| Longitude of natural origin | -70.16666666666667 | degree |
| Scale factor at natural origin | 0.999966667 | unity |
| False easting | 900000 | metre |
| False northing | 0 | metre |
Définition proj4
+proj=tmerc +lat_0=42.8333333333333 +lon_0=-70.1666666666667 +k=0.999966667 +x_0=900000 +y_0=0 +ellps=GRS80 +units=m +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:2803.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_HARN_StatePlane_Maine_West_FIPS_1802",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["Transverse_Mercator"],PARAMETER["False_Easting",900000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-70.1666666666667],PARAMETER["Scale_Factor",0.999966667],PARAMETER["Latitude_Of_Origin",42.8333333333333],UNIT["Meter",1.0]]Autres systèmes — États-Unis
- EPSG:2794NAD83(HARN) / Iowa North
- EPSG:2795NAD83(HARN) / Iowa South
- EPSG:2796NAD83(HARN) / Kansas North
- EPSG:2797NAD83(HARN) / Kansas South
- EPSG:2798NAD83(HARN) / Kentucky North
- EPSG:2799NAD83(HARN) / Kentucky South
- EPSG:2800NAD83(HARN) / Louisiana North
- EPSG:2801NAD83(HARN) / Louisiana South
- EPSG:2802NAD83(HARN) / Maine East
- EPSG:2804NAD83(HARN) / Maryland
- EPSG:2805NAD83(HARN) / Massachusetts Mainland
- EPSG:2806NAD83(HARN) / Massachusetts Island
- EPSG:2807NAD83(HARN) / Michigan North
- EPSG:2808NAD83(HARN) / Michigan Central
- EPSG:2809NAD83(HARN) / Michigan South
- EPSG:2810NAD83(HARN) / Minnesota North
- EPSG:2811NAD83(HARN) / Minnesota Central
- EPSG:2812NAD83(HARN) / Minnesota South
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.