EPSG:5235 SLD99 / Sri Lanka Grid 1999
Projected system (Transverse Mercator) in use: Sri Lanka - onshore. The full definition below, and conversion in one click.
| Code | EPSG:5235 |
|---|---|
| Name | SLD99 / Sri Lanka Grid 1999 |
| Type | Projected system — Transverse Mercator |
| Area of use | Sri Lanka - onshore |
| Bounds | W 79,64° · S 5,86° · E 81,95° · N 9,88° |
| Countries | Sri Lanka |
| Datum | Sri Lanka Datum 1999 |
| Ellipsoid | Everest 1830 (1937 Adjustment) a = 6377276.345 m · 1/f = 300.8017 |
| Base geographic system | EPSG:5233 — SLD99 |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | SLD99 to WGS 84 (1) (EPSG:5236) — accuracy 14 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 7.000471527777778 | degree |
| Longitude of natural origin | 80.77171308333334 | degree |
| Scale factor at natural origin | 0.9999238418 | unity |
| False easting | 500000 | metre |
| False northing | 500000 | metre |
proj4 definition
+proj=tmerc +lat_0=7.00047152777778 +lon_0=80.7717130833333 +k=0.9999238418 +x_0=500000 +y_0=500000 +ellps=evrst30 +units=m +towgs84=-0.293,766.95,87.713,0.195704,1.695068,3.473016,-0.039338 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:5235.
WKT (ESRI format, the .prj content)
PROJCS["SLD99_Sri_Lanka_Grid_1999",GEOGCS["GCS_SLD99",DATUM["D_Sri_Lanka_Datum_1999",SPHEROID["Everest_Adjustment_1937",6377276.345,300.8017]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",500000.0],PARAMETER["Central_Meridian",80.7717130833333],PARAMETER["Scale_Factor",0.9999238418],PARAMETER["Latitude_Of_Origin",7.00047152777778],UNIT["Meter",1.0]]Other systems — Sri Lanka
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.