EPSG:2959 NAD83(CSRS) / UTM zone 18N
Système projeté (Transverse Mercator) en usage : Canada - 78°W to 72°W. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:2959 |
|---|---|
| Nom | NAD83(CSRS) / UTM zone 18N |
| Type | Système projeté — Transverse Mercator |
| Zone d'usage |
Canada - 78°W to 72°W Canada between 78°W and 72°W, onshore and offshore south of 84°N - Nunavut, Ontario and Quebec. |
| Emprise | O -78,00° · S 43,63° · E -72,00° · N 84,00° |
| Pays | Canada |
| Datum | NAD83 Canadian Spatial Reference System |
| Ellipsoïde | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Système géographique de base | EPSG:4617 — NAD83(CSRS) |
| Unité | metre (E east, N north) |
| Transformation vers WGS 84 | NAD83(CSRS) to WGS 84 (2) (EPSG:1946) — précision 1 m |
| Usage | Engineering survey, topographic mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | -75 | degree |
| Scale factor at natural origin | 0.9996 | unity |
| False easting | 500000 | metre |
| False northing | 0 | metre |
Définition proj4
+proj=utm +zone=18 +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:2959.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_CSRS_UTM_Zone_18N",GEOGCS["GCS_North_American_1983_CSRS",DATUM["D_North_American_1983_CSRS",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-75.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]Autres systèmes — Canada
- EPSG:2945NAD83(CSRS) / MTM zone 3
- EPSG:2946NAD83(CSRS) / MTM zone 4
- EPSG:2947NAD83(CSRS) / MTM zone 5
- EPSG:2948NAD83(CSRS) / MTM zone 6
- EPSG:2949NAD83(CSRS) / MTM zone 7
- EPSG:2950NAD83(CSRS) / MTM zone 8
- EPSG:2951NAD83(CSRS) / MTM zone 9
- EPSG:2952NAD83(CSRS) / MTM zone 10
- EPSG:2953NAD83(CSRS) / New Brunswick Stereographic
- EPSG:2954NAD83(CSRS) / Prince Edward Isl. Stereographic (NAD83)
- EPSG:2955NAD83(CSRS) / UTM zone 11N
- EPSG:2956NAD83(CSRS) / UTM zone 12N
- EPSG:2957NAD83(CSRS) / UTM zone 13N
- EPSG:2958NAD83(CSRS) / UTM zone 17N
- EPSG:2960NAD83(CSRS) / UTM zone 19N
- EPSG:2961NAD83(CSRS) / UTM zone 20N
- EPSG:2962NAD83(CSRS) / UTM zone 21N
- EPSG:3005NAD83 / BC Albers
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.