EPSG:5709

NAP height

Attributes

Unit: metre

Geodetic CRS: NAP height

Datum: Normaal Amsterdams Peil

Data source: EPSG

Information source: NSGI: Netherlands Partnership of Kadaster, Rijkswaterstaat and Hydrographic Servicehttp://www.nsgi.nl/.

Revision date: 2020-08-31

Scope: Geodesy, engineering survey.

Remarks: Use has been extended from Netherlands onshore to Netherlands onshore and offshore from 2018.

Area of use: Netherlands - onshore and offshore.

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

Center coordinates
53.26 4.88

Projected bounds:
50.75 2.53
55.77 7.22

WGS84 bounds:
2.53 50.75
7.22 55.77

Netherlands - onshore and offshore.
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Definition: OGC Well Known Text

VERT_CS["NAP height",
    VERT_DATUM["Normaal Amsterdams Peil",2005,
        AUTHORITY["EPSG","5109"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","5709"]]

Definition: OGC Well Known Text 2 (2019)

VERTCRS["NAP height",
    VDATUM["Normaal Amsterdams Peil"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey."],
        AREA["Netherlands - onshore and offshore."],
        BBOX[50.75,2.53,55.77,7.22]],
    ID["EPSG",5709]]

Definition: ESRI Well Known Text

VERTCS["NAP",
    VDATUM["Normaal_Amsterdams_Peil"],
    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:5709","+vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "VerticalCRS",
    "name": "NAP height",
    "datum": {
        "type": "VerticalReferenceFrame",
        "name": "Normaal Amsterdams Peil"
    },
    "coordinate_system": {
        "subtype": "vertical",
        "axis": [
            {
                "name": "Gravity-related height",
                "abbreviation": "H",
                "direction": "up",
                "unit": "metre"
            }
        ]
    },
    "scope": "Geodesy, engineering survey.",
    "area": "Netherlands - onshore and offshore.",
    "bbox": {
        "south_latitude": 50.75,
        "west_longitude": 2.53,
        "north_latitude": 55.77,
        "east_longitude": 7.22
    },
    "id": {
        "authority": "EPSG",
        "code": 5709
    }
}

Definition: GeoServer

5709=VERT_CS["NAP height",VERT_DATUM["Normaal Amsterdams Peil",2005,AUTHORITY["EPSG","5109"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5709"]]

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 ( 5709, 'EPSG', 5709, '+vunits=m +no_defs +type=crs', 'VERT_CS["NAP height",VERT_DATUM["Normaal Amsterdams Peil",2005,AUTHORITY["EPSG","5109"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5709"]]');