EPSG:2831 NAD83(HARN) / New York Long Island
Système projeté (Lambert Conic Conformal (2SP)) en usage : USA - New York - SPCS - Long Island. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:2831 |
|---|---|
| Nom | NAD83(HARN) / New York Long Island |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
USA - New York - SPCS - Long Island United States (USA) - New York - counties of Bronx; Kings; Nassau; New York; Queens; Richmond; Suffolk. |
| Emprise | O -74,26° · S 40,47° · E -71,80° · N 41,30° |
| 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 false origin | 40.166666666666664 | degree |
| Longitude of false origin | -74 | degree |
| Latitude of 1st standard parallel | 41.03333333333333 | degree |
| Latitude of 2nd standard parallel | 40.666666666666664 | degree |
| Easting at false origin | 300000 | metre |
| Northing at false origin | 0 | metre |
Définition proj4
+proj=lcc +lat_0=40.1666666666667 +lon_0=-74 +lat_1=41.0333333333333 +lat_2=40.6666666666667 +x_0=300000 +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:2831.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_HARN_StatePlane_New_York_Long_Island_FIPS_3104",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",300000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-74.0],PARAMETER["Standard_Parallel_1",41.0333333333333],PARAMETER["Standard_Parallel_2",40.6666666666667],PARAMETER["Latitude_Of_Origin",40.1666666666667],UNIT["Meter",1.0]]Autres systèmes — États-Unis
- EPSG:2822NAD83(HARN) / Nevada West
- EPSG:2823NAD83(HARN) / New Hampshire
- EPSG:2824NAD83(HARN) / New Jersey
- EPSG:2825NAD83(HARN) / New Mexico East
- EPSG:2826NAD83(HARN) / New Mexico Central
- EPSG:2827NAD83(HARN) / New Mexico West
- EPSG:2828NAD83(HARN) / New York East
- EPSG:2829NAD83(HARN) / New York Central
- EPSG:2830NAD83(HARN) / New York West
- EPSG:2832NAD83(HARN) / North Dakota North
- EPSG:2833NAD83(HARN) / North Dakota South
- EPSG:2834NAD83(HARN) / Ohio North
- EPSG:2835NAD83(HARN) / Ohio South
- EPSG:2836NAD83(HARN) / Oklahoma North
- EPSG:2837NAD83(HARN) / Oklahoma South
- EPSG:2838NAD83(HARN) / Oregon North
- EPSG:2839NAD83(HARN) / Oregon South
- EPSG:2840NAD83(HARN) / Rhode Island
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.