Coordinate Frame rotation (geog2D domain)
Derived at 58 stations.
Abeyratne, Featherstone and Tantrigoda in Survey Review vol. 42 no. 317 (July 2010).
2020-03-14
metre
Everest 1830 (1937 Adjustment)
EPSG
Abeyratne, Featherstone and Tantrigoda in Survey Review vol. 42 no. 317 (July 2010).
2010-08-07
Engineering survey, topographic mapping.
Used in parallel with Kandawala / Sri Lanka Grid (CRS code 5234).
Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: m.
502543.72 596113.45
374653.87 373847.32
630460.79 818630.19
79.64 5.86
81.95 9.88
Definition: OGC Well Known Text
PROJCS["SLD99 / Sri Lanka Grid 1999", GEOGCS["SLD99", DATUM["Sri_Lanka_Datum_1999", SPHEROID["Everest 1830 (1937 Adjustment)",6377276.345,300.8017], TOWGS84[-0.293,766.95,87.713,-0.195704,-1.695068,-3.473016,-0.039338]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","5233"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",7.00047152777778], PARAMETER["central_meridian",80.7717130833333], PARAMETER["scale_factor",0.9999238418], PARAMETER["false_easting",500000], PARAMETER["false_northing",500000], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","5235"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["SLD99 / Sri Lanka Grid 1999", BASEGEOGCRS["SLD99", DATUM["Sri Lanka Datum 1999", ELLIPSOID["Everest 1830 (1937 Adjustment)",6377276.345,300.8017, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",5233]], CONVERSION["Sri Lanka Grid 1999", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",7.00047152777778, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",80.7717130833333, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.9999238418, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",500000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",500000, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["Sri Lanka - onshore."], BBOX[5.86,79.64,9.88,81.95]], ID["EPSG",5235]]
Definition: ESRI Well Known Text
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]]
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:5235","+proj=tmerc +lat_0=7.00047152777778 +lon_0=80.7717130833333 +k=0.9999238418 +x_0=500000 +y_0=500000 +ellps=evrst30 +towgs84=-0.293,766.95,87.713,-0.195704,-1.695068,-3.473016,-0.039338 +units=m +no_defs +type=crs");
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "SLD99 / Sri Lanka Grid 1999", "base_crs": { "name": "SLD99", "datum": { "type": "GeodeticReferenceFrame", "name": "Sri Lanka Datum 1999", "ellipsoid": { "name": "Everest 1830 (1937 Adjustment)", "semi_major_axis": 6377276.345, "inverse_flattening": 300.8017 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 5233 } }, "conversion": { "name": "Sri Lanka Grid 1999", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 7.00047152777778, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 80.7717130833333, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.9999238418, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": "metre" } ] }, "scope": "Engineering survey, topographic mapping.", "area": "Sri Lanka - onshore.", "bbox": { "south_latitude": 5.86, "west_longitude": 79.64, "north_latitude": 9.88, "east_longitude": 81.95 }, "id": { "authority": "EPSG", "code": 5235 } }
Definition: GeoServer
5235=PROJCS["SLD99 / Sri Lanka Grid 1999",GEOGCS["SLD99",DATUM["Sri_Lanka_Datum_1999",SPHEROID["Everest 1830 (1937 Adjustment)",6377276.345,300.8017],TOWGS84[-0.293,766.95,87.713,-0.195704,-1.695068,-3.473016,-0.039338]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","5233"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",7.00047152777778],PARAMETER["central_meridian",80.7717130833333],PARAMETER["scale_factor",0.9999238418],PARAMETER["false_easting",500000],PARAMETER["false_northing",500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","5235"]]
Definition: MapServer - MAPfile
PROJECTION "proj=tmerc" "lat_0=7.00047152777778" "lon_0=80.7717130833333" "k=0.9999238418" "x_0=500000" "y_0=500000" "ellps=evrst30" "towgs84=-0.293,766.95,87.713,-0.195704,-1.695068,-3.473016,-0.039338" "units=m" "no_defs" "type=crs" END
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=7.00047152777778 +lon_0=80.7717130833333 +k=0.9999238418 +x_0=500000 +y_0=500000 +ellps=evrst30 +towgs84=-0.293,766.95,87.713,-0.195704,-1.695068,-3.473016,-0.039338 +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=7.00047152777778 +lon_0=80.7717130833333 +k=0.9999238418 +x_0=500000 +y_0=500000 +ellps=evrst30 +towgs84=-0.293,766.95,87.713,-0.195704,-1.695068,-3.473016,-0.039338 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 5235, 'EPSG', 5235, '+proj=tmerc +lat_0=7.00047152777778 +lon_0=80.7717130833333 +k=0.9999238418 +x_0=500000 +y_0=500000 +ellps=evrst30 +towgs84=-0.293,766.95,87.713,-0.195704,-1.695068,-3.473016,-0.039338 +units=m +no_defs +type=crs', 'PROJCS["SLD99 / Sri Lanka Grid 1999",GEOGCS["SLD99",DATUM["Sri_Lanka_Datum_1999",SPHEROID["Everest 1830 (1937 Adjustment)",6377276.345,300.8017],TOWGS84[-0.293,766.95,87.713,-0.195704,-1.695068,-3.473016,-0.039338]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","5233"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",7.00047152777778],PARAMETER["central_meridian",80.7717130833333],PARAMETER["scale_factor",0.9999238418],PARAMETER["false_easting",500000],PARAMETER["false_northing",500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","5235"]]');