EPSG:3799 NAD83(CSRS) / MTQ Lambert
Système projeté (Lambert Conic Conformal (2SP)) en usage : Canada - Quebec. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:3799 |
|---|---|
| Nom | NAD83(CSRS) / MTQ Lambert |
| Type | Système projeté — Lambert Conic Conformal (2SP) |
| Zone d'usage | Canada - Quebec |
| Emprise | O -79,85° · S 44,99° · E -57,10° · N 62,62° |
| 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 (X east, Y north) |
| Transformation vers WGS 84 | NAD83(CSRS) to WGS 84 (2) (EPSG:1946) — précision 1 m |
| Usage | Province-wide spatial data management. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of false origin | 44 | degree |
| Longitude of false origin | -70 | degree |
| Latitude of 1st standard parallel | 50 | degree |
| Latitude of 2nd standard parallel | 46 | degree |
| Easting at false origin | 800000 | metre |
| Northing at false origin | 0 | metre |
Définition proj4
+proj=lcc +lat_0=44 +lon_0=-70 +lat_1=50 +lat_2=46 +x_0=800000 +y_0=0 +ellps=GRS80 +units=m +towgs84=-0.991,1.9072,0.5129,0.02579,0.00965,0.01166,0 +no_defs
À coller dans QGIS, proj4js, PostGIS (spatial_ref_sys) ou GDAL. +towgs84 porte la transformation EPSG vers WGS 84 ; le code officiel reste EPSG:3799.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_CSRS_MTQ_Lambert",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["Lambert_Conformal_Conic"],PARAMETER["False_Easting",800000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-70.0],PARAMETER["Standard_Parallel_1",50.0],PARAMETER["Standard_Parallel_2",46.0],PARAMETER["Latitude_Of_Origin",44.0],UNIT["Meter",1.0]]
Autres systèmes — Canada
- EPSG:3581NAD83(CSRS) / NWT Lambert
- EPSG:3761NAD83(CSRS) / UTM zone 22N
- EPSG:3771NAD27 / Alberta 3TM ref merid 111 W
- EPSG:3772NAD27 / Alberta 3TM ref merid 114 W
- EPSG:3773NAD27 / Alberta 3TM ref merid 117 W
- EPSG:3775NAD83 / Alberta 3TM ref merid 111 W
- EPSG:3776NAD83 / Alberta 3TM ref merid 114 W
- EPSG:3777NAD83 / Alberta 3TM ref merid 117 W
- EPSG:3779NAD83(CSRS) / Alberta 3TM ref merid 111 W
- EPSG:3780NAD83(CSRS) / Alberta 3TM ref merid 114 W
- EPSG:3781NAD83(CSRS) / Alberta 3TM ref merid 117 W
- EPSG:3797NAD27 / MTQ Lambert
- EPSG:3798NAD83 / MTQ Lambert
- EPSG:3800NAD27 / Alberta 3TM ref merid 120 W
- EPSG:3801NAD83 / Alberta 3TM ref merid 120 W
- EPSG:3802NAD83(CSRS) / Alberta 3TM ref merid 120 W
- EPSG:3978NAD83 / Canada Atlas Lambert
- EPSG:3979NAD83(CSRS) / Canada Atlas Lambert
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.