EPSG:9721

Catania 1965 height

Attributes

Unit: metre

Geodetic CRS: Catania 1965 height

Datum: Catania 1965

Data source: EPSG

Information source: Istituto Geografico Militare (IGM), www.igmi.org

Revision date: 2021-05-13

Scope: Geodesy, engineering survey, topographic mapping.

Area of use: Italy - Sicily onshore.

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

Center coordinates
37.47 14.04

Projected bounds:
36.59 12.36
38.35 15.71

WGS84 bounds:
12.36 36.59
15.71 38.35

Italy - Sicily onshore.
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Definition: OGC Well Known Text

VERT_CS["Catania 1965 height",
    VERT_DATUM["Catania 1965",2005,
        AUTHORITY["EPSG","1306"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","9721"]]

Definition: OGC Well Known Text 2 (2019)

VERTCRS["Catania 1965 height",
    VDATUM["Catania 1965"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey, topographic mapping."],
        AREA["Italy - Sicily onshore."],
        BBOX[36.59,12.36,38.35,15.71]],
    ID["EPSG",9721]]

Definition: ESRI Well Known Text

VERTCS["Catania_1965_height",
    VDATUM["Catania_1965"],
    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:9721","+vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "VerticalCRS",
    "name": "Catania 1965 height",
    "datum": {
        "type": "VerticalReferenceFrame",
        "name": "Catania 1965"
    },
    "coordinate_system": {
        "subtype": "vertical",
        "axis": [
            {
                "name": "Gravity-related height",
                "abbreviation": "H",
                "direction": "up",
                "unit": "metre"
            }
        ]
    },
    "scope": "Geodesy, engineering survey, topographic mapping.",
    "area": "Italy - Sicily onshore.",
    "bbox": {
        "south_latitude": 36.59,
        "west_longitude": 12.36,
        "north_latitude": 38.35,
        "east_longitude": 15.71
    },
    "id": {
        "authority": "EPSG",
        "code": 9721
    }
}

Definition: GeoServer

9721=VERT_CS["Catania 1965 height",VERT_DATUM["Catania 1965",2005,AUTHORITY["EPSG","1306"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9721"]]

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 ( 9721, 'EPSG', 9721, '+vunits=m +no_defs +type=crs', 'VERT_CS["Catania 1965 height",VERT_DATUM["Catania 1965",2005,AUTHORITY["EPSG","1306"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9721"]]');