EPSG:3078 NAD83 / Michigan Oblique Mercator
Système projeté (Hotine Oblique Mercator (variant A)) en usage : USA - Michigan. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:3078 |
|---|---|
| Nom | NAD83 / Michigan Oblique Mercator |
| Type | Système projeté — Hotine Oblique Mercator (variant A) |
| Zone d'usage |
USA - Michigan United States (USA) - Michigan. |
| Emprise | O -90,42° · S 41,69° · E -82,13° · N 48,32° |
| Pays | États-Unis |
| Datum | North American Datum 1983 |
| Ellipsoïde | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Système géographique de base | EPSG:4269 — NAD83 |
| Unité | metre (X east, Y north) |
| Transformation vers WGS 84 | NAD83 to WGS 84 (1) (EPSG:1188) — précision 4 m |
| Usage | State-wide spatial data management. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of projection centre | 45.30916666666666 | degree |
| Longitude of projection centre | -86 | degree |
| Azimuth at projection centre | 337.25556 | degree |
| Angle from Rectified to Skew Grid | 337.25556 | degree |
| Scale factor at projection centre | 0.9996 | unity |
| False easting | 2546731.496 | metre |
| False northing | -4354009.816 | metre |
Définition proj4
+proj=omerc +no_uoff +lat_0=45.3091666666667 +lonc=-86 +alpha=337.25556 +gamma=337.25556 +k=0.9996 +x_0=2546731.496 +y_0=-4354009.816 +a=6378137 +rf=298.257222101 +units=m +towgs84=0,0,0 +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:3078.
WKT (format ESRI, contenu du .prj)
PROJCS["NAD_1983_Michigan_GeoRef_Meters",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Hotine_Oblique_Mercator_Azimuth_Natural_Origin"],PARAMETER["False_Easting",2546731.496],PARAMETER["False_Northing",-4354009.816],PARAMETER["Scale_Factor",0.9996],PARAMETER["Azimuth",-22.74444],PARAMETER["Longitude_Of_Center",-86.0],PARAMETER["Latitude_Of_Center",45.3091666666667],UNIT["Meter",1.0]]
Autres systèmes — États-Unis
- EPSG:3069NAD27 / Wisconsin Transverse Mercator
- EPSG:3070NAD83 / Wisconsin Transverse Mercator
- EPSG:3071NAD83(HARN) / Wisconsin Transverse Mercator
- EPSG:3072NAD83 / Maine CS2000 East
- EPSG:3074NAD83 / Maine CS2000 West
- EPSG:3075NAD83(HARN) / Maine CS2000 East
- EPSG:3077NAD83(HARN) / Maine CS2000 West
- EPSG:3079NAD83(HARN) / Michigan Oblique Mercator
- EPSG:3080NAD27 / Shackleford
- EPSG:3081NAD83 / Texas State Mapping System
- EPSG:3082NAD83 / Texas Centric Lambert Conformal
- EPSG:3083NAD83 / Texas Centric Albers Equal Area
- EPSG:3084NAD83(HARN) / Texas Centric Lambert Conformal
- EPSG:3085NAD83(HARN) / Texas Centric Albers Equal Area
- EPSG:3086NAD83 / Florida GDL Albers
- EPSG:3087NAD83(HARN) / Florida GDL Albers
- EPSG:3088NAD83 / Kentucky Single Zone
- EPSG:3089NAD83 / Kentucky Single Zone (ftUS)
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.