EPSG systems

EPSG:3375 GDM2000 / Peninsula RSO

Projected system (Hotine Oblique Mercator (variant A)) in use: Malaysia - West Malaysia. The full definition below, and conversion in one click.

System record
CodeEPSG:3375
NameGDM2000 / Peninsula RSO
TypeProjected system — Hotine Oblique Mercator (variant A)
Area of use Malaysia - West Malaysia
Malaysia - West Malaysia onshore and offshore.
Bounds W 98,02° · S 1,13° · E 105,82° · N 7,81°
Countries Malaysia
DatumGeodetic Datum of Malaysia 2000
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:4742 — GDM2000
Unit metre (E east, N north)
Transformation to WGS 84 GDM2000 to WGS 84 (1) (EPSG:10543) — accuracy 1 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of projection centre4degree
Longitude of projection centre102.25degree
Azimuth at projection centre323.02579646666663degree
Angle from Rectified to Skew Grid323.13010236111114degree
Scale factor at projection centre0.99984unity
False easting804671metre
False northing0metre

proj4 definition

+proj=omerc +no_uoff +lat_0=4 +lonc=102.25 +alpha=323.025796466667 +gamma=323.130102361111 +k=0.99984 +x_0=804671 +y_0=0 +ellps=GRS80 +units=m +towgs84=0,0,0 +no_defs

Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:3375.

WKT (ESRI format, the .prj content)

PROJCS["GDM_2000_MRSO_Peninsular_Malaysia",GEOGCS["GCS_GDM_2000",DATUM["D_GDM_2000",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Rectified_Skew_Orthomorphic_Natural_Origin"],PARAMETER["False_Easting",804671.0],PARAMETER["False_Northing",0.0],PARAMETER["Scale_Factor",0.99984],PARAMETER["Azimuth",-36.9742035333334],PARAMETER["Longitude_Of_Center",102.25],PARAMETER["Latitude_Of_Center",4.0],PARAMETER["XY_Plane_Rotation",-36.8698976388889],UNIT["Meter",1.0]]

All systems — Malaysia

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.