EPSG:9401

El Hierro height

Attributes

Unit: metre

Geodetic CRS: El Hierro height

Datum: El Hierro

Data source: EPSG

Information source: National Geographic Institute of Spain (IGN), http://www.ign.es

Revision date: 2020-06-27

Scope: Geodesy, engineering survey, topographic mapping.

Area of use: Spain - Canary Islands - El Hierro onshore.

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

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SimpleMap

Center coordinates
27.74 -18.02

Projected bounds:
27.58 -18.22
27.9 -17.83

WGS84 bounds:
-18.22 27.58
-17.83 27.9

Spain - Canary Islands - El Hierro onshore.
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Definition: OGC Well Known Text

VERT_CS["El Hierro height",
    VERT_DATUM["El Hierro",2005,
        AUTHORITY["EPSG","1284"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","9401"]]

Definition: OGC Well Known Text 2 (2019)

VERTCRS["El Hierro height",
    VDATUM["El Hierro"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey, topographic mapping."],
        AREA["Spain - Canary Islands - El Hierro onshore."],
        BBOX[27.58,-18.22,27.9,-17.83]],
    ID["EPSG",9401]]

Definition: ESRI Well Known Text

VERTCS["El_Hierro_height",
    VDATUM["El_Hierro"],
    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:9401","+vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "VerticalCRS",
    "name": "El Hierro height",
    "datum": {
        "type": "VerticalReferenceFrame",
        "name": "El Hierro"
    },
    "coordinate_system": {
        "subtype": "vertical",
        "axis": [
            {
                "name": "Gravity-related height",
                "abbreviation": "H",
                "direction": "up",
                "unit": "metre"
            }
        ]
    },
    "scope": "Geodesy, engineering survey, topographic mapping.",
    "area": "Spain - Canary Islands - El Hierro onshore.",
    "bbox": {
        "south_latitude": 27.58,
        "west_longitude": -18.22,
        "north_latitude": 27.9,
        "east_longitude": -17.83
    },
    "id": {
        "authority": "EPSG",
        "code": 9401
    }
}

Definition: GeoServer

9401=VERT_CS["El Hierro height",VERT_DATUM["El Hierro",2005,AUTHORITY["EPSG","1284"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9401"]]

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 ( 9401, 'EPSG', 9401, '+vunits=m +no_defs +type=crs', 'VERT_CS["El Hierro height",VERT_DATUM["El Hierro",2005,AUTHORITY["EPSG","1284"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9401"]]');