EPSG:6927

SVY21 / Singapore TM + SHD height

Attributes

Geodetic CRS: SVY21 / Singapore TM + SHD height

Data source: EPSG

Information source: Singapore Land Authority, Lands Department.

Revision date: 2014-08-04

Scope: Engineering survey, GIS, topographic mapping.

Area of use: Singapore - onshore and offshore.

Center coordinates
27630.67 31372.91

Projected bounds:
919.05 12576.34
54338.72 50172.05

WGS84 bounds:
103.59 1.13
104.07 1.47

Singapore - onshore and offshore.
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Definition: Well Known Text (WKT)

COMPD_CS["SVY21 / Singapore TM + SHD height",
    PROJCS["SVY21 / Singapore TM",
        GEOGCS["SVY21",
            DATUM["SVY21",
                SPHEROID["WGS 84",6378137,298.257223563]],
            PRIMEM["Greenwich",0],
            UNIT["degree",0.0174532925199433,
                AUTHORITY["EPSG","9122"]],
            AUTHORITY["EPSG","4757"]],
        PROJECTION["Transverse_Mercator"],
        PARAMETER["latitude_of_origin",1.36666666666667],
        PARAMETER["central_meridian",103.833333333333],
        PARAMETER["scale_factor",1],
        PARAMETER["false_easting",28001.642],
        PARAMETER["false_northing",38744.572],
        UNIT["metre",1]],
    VERT_CS["SHD height",
        VERT_DATUM["Singapore Height Datum",2005],
        UNIT["metre",1],
        AXIS["Gravity-related height",UP]],
    AUTHORITY["EPSG","6927"]]

Definition: ESRI WKT

PROJCS["SVY21_Singapore_TM",GEOGCS["GCS_SVY21",DATUM["D_SVY21",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",28001.642],PARAMETER["False_Northing",38744.572],PARAMETER["Central_Meridian",103.833333333333],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",1.36666666666667],UNIT["Meter",1.0]],VERTCS["SHD_height",VDATUM["Singapore_Height_Datum"],PARAMETER["Vertical_Shift",0.0],PARAMETER["Direction",1.0],UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=tmerc +lat_0=1.36666666666667 +lon_0=103.833333333333 +k=1 +x_0=28001.642 +y_0=38744.572 +ellps=WGS84 +units=m +vunits=m +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:6927","+proj=tmerc +lat_0=1.36666666666667 +lon_0=103.833333333333 +k=1 +x_0=28001.642 +y_0=38744.572 +ellps=WGS84 +units=m +vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "CompoundCRS",
    "name": "SVY21 / Singapore TM + SHD height",
    "components": [
        {
            "type": "ProjectedCRS",
            "name": "SVY21 / Singapore TM",
            "base_crs": {
                "name": "SVY21",
                "datum": {
                    "type": "GeodeticReferenceFrame",
                    "name": "SVY21",
                    "ellipsoid": {
                        "name": "WGS 84",
                        "semi_major_axis": 6378137,
                        "inverse_flattening": 298.257223563
                    }
                },
                "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": 4757
                }
            },
            "conversion": {
                "name": "Singapore Transverse Mercator",
                "method": {
                    "name": "Transverse Mercator",
                    "id": {
                        "authority": "EPSG",
                        "code": 9807
                    }
                },
                "parameters": [
                    {
                        "name": "Latitude of natural origin",
                        "value": 1.36666666666667,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8801
                        }
                    },
                    {
                        "name": "Longitude of natural origin",
                        "value": 103.833333333333,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8802
                        }
                    },
                    {
                        "name": "Scale factor at natural origin",
                        "value": 1,
                        "unit": "unity",
                        "id": {
                            "authority": "EPSG",
                            "code": 8805
                        }
                    },
                    {
                        "name": "False easting",
                        "value": 28001.642,
                        "unit": "metre",
                        "id": {
                            "authority": "EPSG",
                            "code": 8806
                        }
                    },
                    {
                        "name": "False northing",
                        "value": 38744.572,
                        "unit": "metre",
                        "id": {
                            "authority": "EPSG",
                            "code": 8807
                        }
                    }
                ]
            },
            "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
                    {
                        "name": "Northing",
                        "abbreviation": "N",
                        "direction": "north",
                        "unit": "metre"
                    },
                    {
                        "name": "Easting",
                        "abbreviation": "E",
                        "direction": "east",
                        "unit": "metre"
                    }
                ]
            }
        },
        {
            "type": "VerticalCRS",
            "name": "SHD height",
            "datum": {
                "type": "VerticalReferenceFrame",
                "name": "Singapore Height Datum"
            },
            "coordinate_system": {
                "subtype": "vertical",
                "axis": [
                    {
                        "name": "Gravity-related height",
                        "abbreviation": "H",
                        "direction": "up",
                        "unit": "metre"
                    }
                ]
            }
        }
    ],
    "scope": "Engineering survey, GIS, topographic mapping.",
    "area": "Singapore - onshore and offshore.",
    "bbox": {
        "south_latitude": 1.13,
        "west_longitude": 103.59,
        "north_latitude": 1.47,
        "east_longitude": 104.07
    },
    "id": {
        "authority": "EPSG",
        "code": 6927
    }
}

Definition: GeoServer

6927=COMPD_CS["SVY21 / Singapore TM + SHD height",PROJCS["SVY21 / Singapore TM",GEOGCS["SVY21",DATUM["SVY21",SPHEROID["WGS 84",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4757"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",1.36666666666667],PARAMETER["central_meridian",103.833333333333],PARAMETER["scale_factor",1],PARAMETER["false_easting",28001.642],PARAMETER["false_northing",38744.572],UNIT["metre",1]],VERT_CS["SHD height",VERT_DATUM["Singapore Height Datum",2005],UNIT["metre",1],AXIS["Gravity-related height",UP]],AUTHORITY["EPSG","6927"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=1.36666666666667"
	"lon_0=103.833333333333"
	"k=1"
	"x_0=28001.642"
	"y_0=38744.572"
	"ellps=WGS84"
	"units=m"
	"vunits=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=1.36666666666667 +lon_0=103.833333333333 +k=1 +x_0=28001.642 +y_0=38744.572 +ellps=WGS84 +units=m +vunits=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=1.36666666666667 +lon_0=103.833333333333 +k=1 +x_0=28001.642 +y_0=38744.572 +ellps=WGS84 +units=m +vunits=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 6927, 'EPSG', 6927, '+proj=tmerc +lat_0=1.36666666666667 +lon_0=103.833333333333 +k=1 +x_0=28001.642 +y_0=38744.572 +ellps=WGS84 +units=m +vunits=m +no_defs +type=crs', 'COMPD_CS["SVY21 / Singapore TM + SHD height",PROJCS["SVY21 / Singapore TM",GEOGCS["SVY21",DATUM["SVY21",SPHEROID["WGS 84",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4757"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",1.36666666666667],PARAMETER["central_meridian",103.833333333333],PARAMETER["scale_factor",1],PARAMETER["false_easting",28001.642],PARAMETER["false_northing",38744.572],UNIT["metre",1]],VERT_CS["SHD height",VERT_DATUM["Singapore Height Datum",2005],UNIT["metre",1],AXIS["Gravity-related height",UP]],AUTHORITY["EPSG","6927"]]');

Definition: OGC WKT

COMPD_CS["SVY21 / Singapore TM + SHD height",PROJCS["SVY21 / Singapore TM",GEOGCS["SVY21",DATUM["SVY21",SPHEROID["WGS 84",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4757"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",1.36666666666667],PARAMETER["central_meridian",103.833333333333],PARAMETER["scale_factor",1],PARAMETER["false_easting",28001.642],PARAMETER["false_northing",38744.572],UNIT["metre",1]],VERT_CS["SHD height",VERT_DATUM["Singapore Height Datum",2005],UNIT["metre",1],AXIS["Gravity-related height",UP]],AUTHORITY["EPSG","6927"]]

Definition: OGC WKT 2 (2019)

COMPOUNDCRS["SVY21 / Singapore TM + SHD height",PROJCRS["SVY21 / Singapore TM",BASEGEOGCRS["SVY21",DATUM["SVY21",ELLIPSOID["WGS 84",6378137,298.257223563,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4757]],CONVERSION["Singapore Transverse Mercator",METHOD["Transverse Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural origin",1.36666666666667,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",103.833333333333,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",1,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False easting",28001.642,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False northing",38744.572,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["northing (N)",north,ORDER[1],LENGTHUNIT["metre",1]],AXIS["easting (E)",east,ORDER[2],LENGTHUNIT["metre",1]]],VERTCRS["SHD height",VDATUM["Singapore Height Datum"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]]],USAGE[SCOPE["Engineering survey, GIS, topographic mapping."],AREA["Singapore - onshore and offshore."],BBOX[1.13,103.59,1.47,104.07]],ID["EPSG",6927]]