EPSG:6966 NAD27 / Michigan North
Système projeté (Lambert Conic Conformal (2SP Michigan)) en usage : USA - Michigan - SPCS - N. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:6966 |
|---|---|
| Nom | NAD27 / Michigan North |
| Type | Système projeté — Lambert Conic Conformal (2SP Michigan) |
| Zone d'usage |
USA - Michigan - SPCS - N United States (USA) - Michigan north of approximately 45°45'N - counties of Alger; Baraga; Chippewa; Delta; Dickinson; Gogebic; Houghton; Iron; Keweenaw; Luce; Mackinac; Marquette; Menominee; Ontonagon; Schoolcraft. |
| Emprise | O -90,42° · S 45,08° · E -83,44° · N 48,32° |
| Pays | États-Unis |
| Datum | North American Datum 1927 |
| Ellipsoïde | Clarke 1866 a = 6378206.4 m · 1/f = 294.978698214 |
| Système géographique de base | EPSG:4267 — NAD27 |
| Unité | US survey foot (X east, Y north) |
| Transformation vers WGS 84 | NAD27 to WGS 84 (4) (EPSG:1173) — précision 10 m |
| Usage | Engineering survey, topographic mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of false origin | 44.78333333333333 | degree |
| Longitude of false origin | -87 | degree |
| Latitude of 1st standard parallel | 45.483333333333334 | degree |
| Latitude of 2nd standard parallel | 47.083333333333336 | degree |
| Easting at false origin | 2000000 | US survey foot |
| Northing at false origin | 0 | US survey foot |
| Ellipsoid scaling factor | 1.0000382 | unity |
Définition proj4
+proj=lcc +lat_0=44.7833333333333 +lon_0=-87 +lat_1=45.4833333333333 +lat_2=47.0833333333333 +x_0=609601.219202438 +y_0=0 +k_0=1.0000382 +a=6378206.4000000004 +rf=294.9786982139 +units=us-ft +towgs84=-8,160,176 +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:6966.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD27_Michigan_North",GEOGCS["GCS_North_American_1927",DATUM["D_North_American_1927",SPHEROID["Clarke_1866",6378206.4,294.978698213898]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",2000000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-87.0],PARAMETER["Standard_Parallel_1",45.4833333333333],PARAMETER["Standard_Parallel_2",47.0833333333333],PARAMETER["Scale_Factor",1.0000382],PARAMETER["Latitude_Of_Origin",44.7833333333333],UNIT["US survey foot",0.304800609601219]]Autres systèmes — États-Unis
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- EPSG:6879NAD83(2011) / Wisconsin Central
- EPSG:6880NAD83(2011) / Nebraska (ftUS)
- EPSG:6884NAD83(CORS96) / Oregon North
- EPSG:6885NAD83(CORS96) / Oregon North (ft)
- EPSG:6886NAD83(CORS96) / Oregon South
- EPSG:6887NAD83(CORS96) / Oregon South (ft)
- EPSG:6922NAD83 / Kansas LCC
- EPSG:6923NAD83 / Kansas LCC (ftUS)
- EPSG:6924NAD83(2011) / Kansas LCC
- EPSG:6925NAD83(2011) / Kansas LCC (ftUS)
- EPSG:7057NAD83(2011) / IaRCS zone 1
- EPSG:7058NAD83(2011) / IaRCS zone 2
- EPSG:7059NAD83(2011) / IaRCS zone 3
- EPSG:7060NAD83(2011) / IaRCS zone 4
- EPSG:7061NAD83(2011) / IaRCS zone 5
- EPSG:7062NAD83(2011) / IaRCS zone 6
- EPSG:7063NAD83(2011) / IaRCS zone 7
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.