EPSG:6917 — SVY21 + SHD height

Compound · Singapore

Export Formats

OGC WKT

COMPD_CS[
    "SVY21 + SHD height",
    GEOGCS[
        "SVY21",
        DATUM[
            "SVY21",
            SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],
            AUTHORITY["EPSG","6757"]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4757"]
    ],
    VERT_CS[
        "SHD height",
        VERT_DATUM["Singapore Height Datum",2005,AUTHORITY["EPSG","1140"]],
        UNIT["metre",1,AUTHORITY["EPSG","9001"]],
        AXIS["Gravity-related height",UP],
        AUTHORITY["EPSG","6916"]
    ],
    AUTHORITY["EPSG","6917"]
]

WKT2

COMPOUNDCRS[
    "SVY21 + SHD height",
    GEOGCRS[
        "SVY21",
        DATUM[
            "SVY21",
            ELLIPSOID[
                "WGS 84",
                6378137,
                298.257223563,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7030]
            ],
            ID["EPSG",6757]
        ],
        CS[ellipsoidal,2,ID["EPSG",6422]],
        AXIS["Geodetic latitude (Lat)",north],
        AXIS["Geodetic longitude (Lon)",east],
        ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
        ID["EPSG",4757]
    ],
    VERTCRS[
        "SHD height",
        VDATUM["Singapore Height Datum",ID["EPSG",1140]],
        CS[vertical,1,ID["EPSG",6499]],
        AXIS["Gravity-related height (H)",up],
        LENGTHUNIT["metre",1,ID["EPSG",9001]],
        ID["EPSG",6916]
    ],
    ID["EPSG",6917]
]

PROJ.4

+proj=longlat +ellps=WGS84 +vunits=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:6917", "+proj=longlat +ellps=WGS84 +vunits=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 6917,
  "name": "SVY21 + SHD height",
  "kind": "compound",
  "area": "Singapore",
  "unit": null,
  "bbox": [
    1.13,
    103.59,
    1.47,
    104.07
  ],
  "proj4": "+proj=longlat +ellps=WGS84 +vunits=m +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (6917, 'EPSG', 6917, '+proj=longlat +ellps=WGS84 +vunits=m +no_defs +type=crs', 'COMPD_CS["SVY21 + SHD height",GEOGCS["SVY21",DATUM["SVY21",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6757"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4757"]],VERT_CS["SHD height",VERT_DATUM["Singapore Height Datum",2005,AUTHORITY["EPSG","1140"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6916"]],AUTHORITY["EPSG","6917"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=longlat"
  "+ellps=WGS84"
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

6917=COMPD_CS["SVY21 + SHD height",GEOGCS["SVY21",DATUM["SVY21",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6757"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4757"]],VERT_CS["SHD height",VERT_DATUM["Singapore Height Datum",2005,AUTHORITY["EPSG","1140"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6916"]],AUTHORITY["EPSG","6917"]]

Other CRS for SG

Frequently Asked Questions

How do I add EPSG:6917 to GeoServer?

Add the following definition to your GeoServer configuration:

6917=COMPD_CS["SVY21 + SHD height",GEOGCS["SVY21",DATUM["SVY21",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6757"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4757"]],VERT_CS["SHD height",VERT_DATUM["Singapore Height Datum",2005,AUTHORITY["EPSG","1140"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6916"]],AUTHORITY["EPSG","6917"]]

Read the full GeoServer guide →

How do I add EPSG:6917 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (6917, 'EPSG', 6917, '+proj=longlat +ellps=WGS84 +vunits=m +no_defs +type=crs', 'COMPD_CS["SVY21 + SHD height",GEOGCS["SVY21",DATUM["SVY21",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6757"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4757"]],VERT_CS["SHD height",VERT_DATUM["Singapore Height Datum",2005,AUTHORITY["EPSG","1140"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6916"]],AUTHORITY["EPSG","6917"]]');

Read the full PostGIS guide →

How do I add EPSG:6917 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=longlat"
  "+ellps=WGS84"
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:6917 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:6917", "+proj=longlat +ellps=WGS84 +vunits=m +no_defs +type=crs");

Read the full Proj4js guide →