EPSG:7889

St. Helena Tritan 2011 height

Attributes

Unit: metre

Geodetic CRS: St. Helena Tritan 2011 height

Datum: St. Helena Tritan Vertical Datum 2011

Data source: EPSG

Information source: St. Helena Government, Environment and Natural Resources Directorate (ENRD).

Revision date: 2016-11-24

Scope: Engineering survey 2011 to 2015.

Remarks: Replaced by SHVD2016 (CRS code 7890) from 2016.

Area of use: St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.

Coordinate system: Vertical CS. Axis: height (H). Orientation: up. UoM: m.

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SimpleMap

Center coordinates
-15.96 -5.72

Projected bounds:
-16.08 -5.85
-15.85 -5.59

WGS84 bounds:
-5.85 -16.08
-5.59 -15.85

St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.
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Definition: OGC Well Known Text

VERT_CS["St. Helena Tritan 2011 height",
    VERT_DATUM["St. Helena Tritan Vertical Datum 2011",2005,
        AUTHORITY["EPSG","1176"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","7889"]]

Definition: OGC Well Known Text 2 (2019)

VERTCRS["St. Helena Tritan 2011 height",
    VDATUM["St. Helena Tritan Vertical Datum 2011"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Engineering survey 2011 to 2015."],
        AREA["St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore."],
        BBOX[-16.08,-5.85,-15.85,-5.59]],
    ID["EPSG",7889]]

Definition: ESRI Well Known Text

VERTCS["St_Helena_Tritan_2011_height",
    VDATUM["St_Helena_Tritan_Vertical_Datum_2011"],
    PARAMETER["Vertical_Shift",0.0],
    PARAMETER["Direction",1.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+vunits=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:7889","+vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "VerticalCRS",
    "name": "St. Helena Tritan 2011 height",
    "datum": {
        "type": "VerticalReferenceFrame",
        "name": "St. Helena Tritan Vertical Datum 2011"
    },
    "coordinate_system": {
        "subtype": "vertical",
        "axis": [
            {
                "name": "Gravity-related height",
                "abbreviation": "H",
                "direction": "up",
                "unit": "metre"
            }
        ]
    },
    "scope": "Engineering survey 2011 to 2015.",
    "area": "St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.",
    "bbox": {
        "south_latitude": -16.08,
        "west_longitude": -5.85,
        "north_latitude": -15.85,
        "east_longitude": -5.59
    },
    "id": {
        "authority": "EPSG",
        "code": 7889
    }
}

Definition: GeoServer

7889=VERT_CS["St. Helena Tritan 2011 height",VERT_DATUM["St. Helena Tritan Vertical Datum 2011",2005,AUTHORITY["EPSG","1176"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","7889"]]

Definition: MapServer - MAPfile

PROJECTION
	"vunits=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+vunits=m +no_defs +type=crs">
	<Layer srs="+vunits=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 7889, 'EPSG', 7889, '+vunits=m +no_defs +type=crs', 'VERT_CS["St. Helena Tritan 2011 height",VERT_DATUM["St. Helena Tritan Vertical Datum 2011",2005,AUTHORITY["EPSG","1176"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","7889"]]');