EPSG:3021 RT90 2.5 gon V
Système projeté (Transverse Mercator) en usage : Sweden - 2.5 gon W. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:3021 |
|---|---|
| Nom | RT90 2.5 gon V |
| Type | Système projeté — Transverse Mercator |
| Zone d'usage |
Sweden - 2.5 gon W Sweden - communes between approximately 14°40'E and 16°55'E. See information source for map. Sweden - onshore |
| Emprise | O 13,66° · S 55,95° · E 17,73° · N 67,18° |
| Pays | Suède |
| Datum | Rikets koordinatsystem 1990 |
| Ellipsoïde | Bessel 1841 a = 6377397.155 m · 1/f = 299.1528128 |
| Système géographique de base | EPSG:4124 — RT90 |
| Unité | metre (X north, Y east) |
| Transformation vers WGS 84 | RT90 to WGS 84 (2) (EPSG:1896) — précision 1 m |
| Usage | Cadastre, engineering survey, topographic mapping (large scale).; Topographic mapping (medium and small scale). |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | 15.808277777777779 | degree |
| Scale factor at natural origin | 1 | unity |
| False easting | 1500000 | metre |
| False northing | 0 | metre |
Définition proj4
+proj=tmerc +lat_0=0 +lon_0=15.8082777777778 +k=1 +x_0=1500000 +y_0=0 +ellps=bessel +units=m +towgs84=414.1,41.3,603.1,-0.855,2.141,-7.023,0 +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:3021.
WKT (format ESRI, contenu du .prj)
PROJCS["RT90_25_gon_V",GEOGCS["GCS_RT_1990",DATUM["D_RT_1990",SPHEROID["Bessel_1841",6377397.155,299.1528128]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",1500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",15.8082777777778],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]Autres systèmes — Suède
- EPSG:3012SWEREF99 14 15
- EPSG:3013SWEREF99 15 45
- EPSG:3014SWEREF99 17 15
- EPSG:3015SWEREF99 18 45
- EPSG:3016SWEREF99 20 15
- EPSG:3017SWEREF99 21 45
- EPSG:3018SWEREF99 23 15
- EPSG:3019RT90 7.5 gon V
- EPSG:3020RT90 5 gon V
- EPSG:3022RT90 0 gon
- EPSG:3023RT90 2.5 gon O
- EPSG:3024RT90 5 gon O
- EPSG:3025RT38 7.5 gon V
- EPSG:3026RT38 5 gon V
- EPSG:3027RT38 2.5 gon V
- EPSG:3028RT38 0 gon
- EPSG:3029RT38 2.5 gon O
- EPSG:3030RT38 5 gon O
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.