EPSG systems

EPSG:3384 GDM2000 / Perak Grid

Projected system (Cassini-Soldner) in use: Malaysia - West Malaysia - Perak. The full definition below, and conversion in one click.

System record
CodeEPSG:3384
NameGDM2000 / Perak Grid
TypeProjected system — Cassini-Soldner
Area of use Malaysia - West Malaysia - Perak
Bounds W 100,07° · S 3,66° · E 102,00° · N 5,92°
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
ScopeCadastre.

Projection parameters

ParameterValueUnit
Latitude of natural origin4.859063022222222degree
Longitude of natural origin100.81541058611111degree
False easting-1.769metre
False northing133454.779metre

proj4 definition

+proj=cass +lat_0=4.85906302222222 +lon_0=100.815410586111 +x_0=-1.769 +y_0=133454.779 +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:3384.

WKT (ESRI format, the .prj content)

PROJCS["GDM_2000_State_Cassini_Perak",GEOGCS["GCS_GDM_2000",DATUM["D_GDM_2000",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Cassini"],PARAMETER["False_Easting",-1.769],PARAMETER["False_Northing",133454.779],PARAMETER["Central_Meridian",100.815410586111],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",4.85906302222222],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.