EPSG:5771

Chatham Island 1959 height

Attributes

Unit: metre

Geodetic CRS: Chatham Island 1959 height

Datum: Waitangi (Chatham Island) 1959

Data source: EPSG

Information source: Interim Report GEO/T1/19/51 for LINZ by John Hannah, "An Assessment of New Zealand's Height Systems and Options for a Future Height System", January 2001.

Revision date: 2011-06-20

Scope: Geodesy, engineering survey, topographic mapping.

Area of use: New Zealand - Chatham Island - onshore.

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

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SimpleMap

Center coordinates
-43.92 -176.56

Projected bounds:
-44.18 -176.92
-43.67 -176.2

WGS84 bounds:
-176.92 -44.18
-176.2 -43.67

New Zealand - Chatham Island - onshore.
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Definition: OGC Well Known Text

VERT_CS["Chatham Island 1959 height",
    VERT_DATUM["Waitangi (Chatham Island) 1959",2005,
        AUTHORITY["EPSG","5169"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","5771"]]

Definition: OGC Well Known Text 2 (2019)

VERTCRS["Chatham Island 1959 height",
    VDATUM["Waitangi (Chatham Island) 1959"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey, topographic mapping."],
        AREA["New Zealand - Chatham Island - onshore."],
        BBOX[-44.18,-176.92,-43.67,-176.2]],
    ID["EPSG",5771]]

Definition: ESRI Well Known Text

VERTCS["Chatham_Island",
    VDATUM["Chatham_Island"],
    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:5771","+vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "VerticalCRS",
    "name": "Chatham Island 1959 height",
    "datum": {
        "type": "VerticalReferenceFrame",
        "name": "Waitangi (Chatham Island) 1959"
    },
    "coordinate_system": {
        "subtype": "vertical",
        "axis": [
            {
                "name": "Gravity-related height",
                "abbreviation": "H",
                "direction": "up",
                "unit": "metre"
            }
        ]
    },
    "scope": "Geodesy, engineering survey, topographic mapping.",
    "area": "New Zealand - Chatham Island - onshore.",
    "bbox": {
        "south_latitude": -44.18,
        "west_longitude": -176.92,
        "north_latitude": -43.67,
        "east_longitude": -176.2
    },
    "id": {
        "authority": "EPSG",
        "code": 5771
    }
}

Definition: GeoServer

5771=VERT_CS["Chatham Island 1959 height",VERT_DATUM["Waitangi (Chatham Island) 1959",2005,AUTHORITY["EPSG","5169"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5771"]]

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 ( 5771, 'EPSG', 5771, '+vunits=m +no_defs +type=crs', 'VERT_CS["Chatham Island 1959 height",VERT_DATUM["Waitangi (Chatham Island) 1959",2005,AUTHORITY["EPSG","5169"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5771"]]');