EPSG:29874 Timbalai 1948 / RSO Sarawak LSD (m)
Système projeté (Hotine Oblique Mercator (variant A)) en usage : Malaysia - East Malaysia - Sarawak onshore. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:29874 |
|---|---|
| Nom | Timbalai 1948 / RSO Sarawak LSD (m) |
| Type | Système projeté — Hotine Oblique Mercator (variant A) |
| Zone d'usage | Malaysia - East Malaysia - Sarawak onshore |
| Emprise | O 109,54° · S 0,85° · E 115,69° · N 5,03° |
| Pays | Malaisie |
| Datum | Timbalai 1948 |
| Ellipsoïde | Everest 1830 (1967 Definition) a = 6377298.556 m · 1/f = 300.8017 |
| Système géographique de base | EPSG:4298 — Timbalai 1948 |
| Unité | metre (E east, N north) |
| Transformation vers WGS 84 | Timbalai 1948 to WGS 84 (1) (EPSG:1228) — précision 19 m |
| Usage | Engineering survey, topographic mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of projection centre | 4 | degree |
| Longitude of projection centre | 115 | degree |
| Azimuth at projection centre | 53.31582047222222 | degree |
| Angle from Rectified to Skew Grid | 53.13010236111111 | degree |
| Scale factor at projection centre | 0.99984 | unity |
| False easting | 2000000 | metre |
| False northing | 5000000 | metre |
Définition proj4
+proj=omerc +no_uoff +lat_0=4 +lonc=115 +alpha=53.3158204722222 +gamma=53.1301023611111 +k=0.99984 +x_0=2000000 +y_0=5000000 +ellps=evrstSS +units=m +towgs84=-679,669,-48 +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:29874.
WKT (format ESRI, contenu du .prj)
PROJCS["Timbalai_1948_RSO_Sarawak_LSD_(m)",GEOGCS["GCS_Timbalai_1948",DATUM["D_Timbalai_1948",SPHEROID["Everest_Definition_1967",6377298.556,300.8017]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Rectified_Skew_Orthomorphic_Natural_Origin"],PARAMETER["False_Easting",2000000.0],PARAMETER["False_Northing",5000000.0],PARAMETER["Scale_Factor",0.99984],PARAMETER["Azimuth",53.3158204722222],PARAMETER["Longitude_Of_Center",115.0],PARAMETER["Latitude_Of_Center",4.0],PARAMETER["XY_Plane_Rotation",53.1301023611111],UNIT["Meter",1.0]]Autres systèmes — Malaisie
- EPSG:4390Kertau 1968 / Johor Grid
- EPSG:4391Kertau 1968 / Sembilan and Melaka Grid
- EPSG:4392Kertau 1968 / Pahang Grid
- EPSG:4393Kertau 1968 / Selangor Grid
- EPSG:4394Kertau 1968 / Terengganu Grid
- EPSG:4395Kertau 1968 / Pinang Grid
- EPSG:4396Kertau 1968 / Kedah and Perlis Grid
- EPSG:4397Kertau 1968 / Perak Revised Grid
- EPSG:4398Kertau 1968 / Kelantan Grid
- EPSG:4742GDM2000
- EPSG:4751Kertau (RSO)
- EPSG:24547Kertau 1968 / UTM zone 47N
- EPSG:24548Kertau 1968 / UTM zone 48N
- EPSG:29849Timbalai 1948 / UTM zone 49N
- EPSG:29850Timbalai 1948 / UTM zone 50N
- EPSG:29871Timbalai 1948 / RSO Borneo (ch)
- EPSG:29872Timbalai 1948 / RSO Borneo (ftSe)
- EPSG:29873Timbalai 1948 / RSO Borneo (m)
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.