EPSG:2917 NAD83(HARN) / Texas North Central (ftUS)
Système projeté (Lambert Conic Conformal (2SP)) en usage : USA - Texas - SPCS - NC. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:2917 |
|---|---|
| Nom | NAD83(HARN) / Texas North Central (ftUS) |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage |
USA - Texas - SPCS - NC United States (USA) - Texas - counties of: Andrews; Archer; Bailey; Baylor; Borden; Bowie; Callahan; Camp; Cass; Clay; Cochran; Collin; Cooke; Cottle; Crosby; Dallas; Dawson; Delta; Denton; Dickens; Eastland; Ellis; Erath; Fannin; Fisher; Floyd; Foard; Franklin; Gaines; Garza; Grayson; Gregg; Hale; Hardeman; Harrison; Haskell; Henderson; Hill; Hockley; Hood; Hopkins; Howard; Hunt; Jack; Johnson; Jones; Kaufman; Kent; King; Knox; Lamar; Lamb; Lubbock; Lynn; Marion; Martin; Mitchell; Montague; Morris; Motley; Navarro; Nolan; Palo Pinto; Panola; Parker; Rains; Red River; Rockwall; Rusk; Scurry; S |
| Emprise | O -103,07° · S 31,72° · E -94,00° · N 34,58° |
| 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 | US survey foot (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 | 31.666666666666668 | degree |
| Longitude of false origin | -98.5 | degree |
| Latitude of 1st standard parallel | 33.96666666666667 | degree |
| Latitude of 2nd standard parallel | 32.13333333333333 | degree |
| Easting at false origin | 1968500 | US survey foot |
| Northing at false origin | 6561666.667 | US survey foot |
Définition proj4
+proj=lcc +lat_0=31.6666666666667 +lon_0=-98.5 +lat_1=33.9666666666667 +lat_2=32.1333333333333 +x_0=600000 +y_0=2000000.0001016 +ellps=GRS80 +units=us-ft +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:2917.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_HARN_StatePlane_Texas_North_Central_FIPS_4202_Feet",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",1968500.0],PARAMETER["False_Northing",6561666.667],PARAMETER["Central_Meridian",-98.5],PARAMETER["Standard_Parallel_1",33.9666666666667],PARAMETER["Standard_Parallel_2",32.1333333333333],PARAMETER["Latitude_Of_Origin",31.6666666666667],UNIT["US survey foot",0.304800609601219]]Autres systèmes — États-Unis
- EPSG:2908NAD83(HARN) / New York Long Island (ftUS)
- EPSG:2909NAD83(HARN) / North Dakota North (ft)
- EPSG:2910NAD83(HARN) / North Dakota South (ft)
- EPSG:2911NAD83(HARN) / Oklahoma North (ftUS)
- EPSG:2912NAD83(HARN) / Oklahoma South (ftUS)
- EPSG:2913NAD83(HARN) / Oregon North (ft)
- EPSG:2914NAD83(HARN) / Oregon South (ft)
- EPSG:2915NAD83(HARN) / Tennessee (ftUS)
- EPSG:2916NAD83(HARN) / Texas North (ftUS)
- EPSG:2918NAD83(HARN) / Texas Central (ftUS)
- EPSG:2919NAD83(HARN) / Texas South Central (ftUS)
- EPSG:2920NAD83(HARN) / Texas South (ftUS)
- EPSG:2921NAD83(HARN) / Utah North (ft)
- EPSG:2922NAD83(HARN) / Utah Central (ft)
- EPSG:2923NAD83(HARN) / Utah South (ft)
- EPSG:2924NAD83(HARN) / Virginia North (ftUS)
- EPSG:2925NAD83(HARN) / Virginia South (ftUS)
- EPSG:2926NAD83(HARN) / Washington North (ftUS)
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.