EPSG:9726

Genoa 1942 height to Catania 1965 height (1)

Attributes

Geodetic CRS: Genoa 1942 height

Datum: Genoa 1942

Data source: EPSG

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

Revision date: 2021-05-13

Scope: Geodesy, cadastre, engineering survey.

Method: Vertical Offset

Area of use: Italy - Sicily onshore.

Description: (0,)

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Italy - Sicily onshore.

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Definition: OGC Well Known Text 2 (2019)

COORDINATEOPERATION["Genoa 1942 height to Catania 1965 height (1)",
    VERSION["IGMI-Ita Sicily"],
    SOURCECRS[
        VERTCRS["Genoa 1942 height",
            VDATUM["Genoa 1942"],
            CS[vertical,1],
                AXIS["gravity-related height (H)",up,
                    LENGTHUNIT["metre",1]],
            ID["EPSG",5214]]],
    TARGETCRS[
        VERTCRS["Catania 1965 height",
            VDATUM["Catania 1965"],
            CS[vertical,1],
                AXIS["gravity-related height (H)",up,
                    LENGTHUNIT["metre",1]],
            ID["EPSG",9721]]],
    METHOD["Vertical Offset",
        ID["EPSG",9616]],
    PARAMETER["Vertical Offset",0.141,
        LENGTHUNIT["metre",1],
        ID["EPSG",8603]],
    OPERATIONACCURACY[0.01],
    USAGE[
        SCOPE["Geodesy, cadastre, engineering survey."],
        AREA["Italy - Sicily onshore."],
        BBOX[36.59,12.36,38.35,15.71]],
    ID["EPSG",9726]]

Definition: PROJ.4

+proj=geogoffset +dh=0.141

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:9726","+proj=geogoffset +dh=0.141");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Transformation",
    "name": "Genoa 1942 height to Catania 1965 height (1)",
    "source_crs": {
        "type": "VerticalCRS",
        "name": "Genoa 1942 height",
        "datum": {
            "type": "VerticalReferenceFrame",
            "name": "Genoa 1942"
        },
        "coordinate_system": {
            "subtype": "vertical",
            "axis": [
                {
                    "name": "Gravity-related height",
                    "abbreviation": "H",
                    "direction": "up",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 5214
        }
    },
    "target_crs": {
        "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"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 9721
        }
    },
    "method": {
        "name": "Vertical Offset",
        "id": {
            "authority": "EPSG",
            "code": 9616
        }
    },
    "parameters": [
        {
            "name": "Vertical Offset",
            "value": 0.141,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8603
            }
        }
    ],
    "accuracy": "0.01",
    "scope": "Geodesy, cadastre, engineering survey.",
    "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": 9726
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=geogoffset"
	"dh=0.141"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=geogoffset +dh=0.141">
	<Layer srs="+proj=geogoffset +dh=0.141">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 9726, 'EPSG', 9726, '+proj=geogoffset +dh=0.141', 'None');