EPSG:5798

EGM84 height

Attributes

Unit: metre

Geodetic CRS: EGM84 height

Datum: EGM84 geoid

Data source: EPSG

Information source: US National Geospatial-Intelligence Agency (NGA); https://earth-info.nga.mil/GandG/update/index.php

Revision date: 2019-07-17

Scope: Geodesy.

Remarks: Zero-height surface resulting from the application of the EGM84 geoid model to the WGS 84 ellipsoid. Replaced by EGM96 height (CRS code 5773).

Area of use: World.

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

Center coordinates
0.0 0.0

Projected bounds:
-90.0 -180.0
90.0 180.0

WGS84 bounds:
-180.0 -90.0
180.0 90.0

World.
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Definition: OGC Well Known Text

VERT_CS["EGM84 height",
    VERT_DATUM["EGM84 geoid",2005,
        AUTHORITY["EPSG","5203"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","5798"]]

Definition: OGC Well Known Text 2 (2019)

VERTCRS["EGM84 height",
    VDATUM["EGM84 geoid"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy."],
        AREA["World."],
        BBOX[-90,-180,90,180]],
    ID["EPSG",5798]]

Definition: ESRI Well Known Text

VERTCS["EGM84_Geoid",
    VDATUM["EGM84_Geoid"],
    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:5798","+vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "VerticalCRS",
    "name": "EGM84 height",
    "datum": {
        "type": "VerticalReferenceFrame",
        "name": "EGM84 geoid"
    },
    "coordinate_system": {
        "subtype": "vertical",
        "axis": [
            {
                "name": "Gravity-related height",
                "abbreviation": "H",
                "direction": "up",
                "unit": "metre"
            }
        ]
    },
    "scope": "Geodesy.",
    "area": "World.",
    "bbox": {
        "south_latitude": -90,
        "west_longitude": -180,
        "north_latitude": 90,
        "east_longitude": 180
    },
    "id": {
        "authority": "EPSG",
        "code": 5798
    }
}

Definition: GeoServer

5798=VERT_CS["EGM84 height",VERT_DATUM["EGM84 geoid",2005,AUTHORITY["EPSG","5203"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5798"]]

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 ( 5798, 'EPSG', 5798, '+vunits=m +no_defs +type=crs', 'VERT_CS["EGM84 height",VERT_DATUM["EGM84 geoid",2005,AUTHORITY["EPSG","5203"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5798"]]');