EPSG:10393

Cascais height to ZH Portugal depth (2)

Attributes

Geodetic CRS: Cascais height

Datum: Cascais

Data source: EPSG

Information source: Instituto Hidrográfico, https://www.hidrografico.pt/

Revision date: 2023-08-07

Steps of transformation: 7812 10381

Scope: Hydrography and nautical charting.

Remarks: The Zero Hidrografico surface is defined to be 2.08 metres below the Cascais vertical reference surface in the Tagus estuary off Lisbon and 2.0m below the Cascais vertical reference surface offshore mainland Portugal (see CT 10392).

Area of use: Portugal - mainland - nearshore - Tagus estuary.

Description: (0,)

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Portugal - mainland - nearshore - Tagus estuary.

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Definition: OGC Well Known Text 2 (2019)

CONCATENATEDOPERATION["Cascais height to ZH Portugal depth (2)",
    VERSION["IH-Por Tagus"],
    SOURCECRS[
        VERTCRS["Cascais height",
            VDATUM["Cascais"],
            CS[vertical,1],
                AXIS["gravity-related height (H)",up,
                    LENGTHUNIT["metre",1]],
            ID["EPSG",5780]]],
    TARGETCRS[
        VERTCRS["ZH Portugal depth",
            VDATUM["Chart Datum Portugal "],
            CS[vertical,1],
                AXIS["depth (D)",down,
                    LENGTHUNIT["metre",1]],
            ID["EPSG",10349]]],
    STEP[
        CONVERSION["Height <> Depth Conversion",
            METHOD["Height Depth Reversal",
                ID["EPSG",1068]],
            ID["EPSG",7812]]],
    STEP[
        COORDINATEOPERATION["Cascais depth to ZH Portugal depth (2)",
            VERSION["IH-Por Tagus"],
            SOURCECRS[
                VERTCRS["Cascais depth",
                    VDATUM["Cascais"],
                    CS[vertical,1],
                        AXIS["depth (D)",down,
                            LENGTHUNIT["metre",1]],
                    ID["EPSG",10364]]],
            TARGETCRS[
                VERTCRS["ZH Portugal depth",
                    VDATUM["Chart Datum Portugal "],
                    CS[vertical,1],
                        AXIS["depth (D)",down,
                            LENGTHUNIT["metre",1]],
                    ID["EPSG",10349]]],
            METHOD["Vertical Offset",
                ID["EPSG",9616]],
            PARAMETER["Vertical Offset",-2.08,
                LENGTHUNIT["metre",1],
                ID["EPSG",8603]],
            OPERATIONACCURACY[0.0],
            ID["EPSG",10381],
            REMARK["The Zero Hidrografico surface is defined to be 2.08 metres below the Cascais vertical reference surface in the Tagus estuary off Lisbon and 2.0m below the Cascais vertical reference surface offshore mainland Portugal (see CT 10380). "]]],
    OPERATIONACCURACY[0.0],
    USAGE[
        SCOPE["Hydrography and nautical charting."],
        AREA["Portugal - mainland - nearshore - Tagus estuary."],
        BBOX[38.58,-9.46,38.96,-8.92]],
    ID["EPSG",10393],
    REMARK["The Zero Hidrografico surface is defined to be 2.08 metres below the Cascais vertical reference surface in the Tagus estuary off Lisbon and 2.0m below the Cascais vertical reference surface offshore mainland Portugal (see CT 10392)."]]

Definition: PROJ.4

+proj=pipeline +step +proj=axisswap +order=1,2,-3 +step +proj=geogoffset +dh=-2.08

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:10393","+proj=pipeline +step +proj=axisswap +order=1,2,-3 +step +proj=geogoffset +dh=-2.08");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ConcatenatedOperation",
    "name": "Cascais height to ZH Portugal depth (2)",
    "source_crs": {
        "type": "VerticalCRS",
        "name": "Cascais height",
        "datum": {
            "type": "VerticalReferenceFrame",
            "name": "Cascais"
        },
        "coordinate_system": {
            "subtype": "vertical",
            "axis": [
                {
                    "name": "Gravity-related height",
                    "abbreviation": "H",
                    "direction": "up",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 5780
        }
    },
    "target_crs": {
        "type": "VerticalCRS",
        "name": "ZH Portugal depth",
        "datum": {
            "type": "VerticalReferenceFrame",
            "name": "Chart Datum Portugal "
        },
        "coordinate_system": {
            "subtype": "vertical",
            "axis": [
                {
                    "name": "Depth",
                    "abbreviation": "D",
                    "direction": "down",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 10349
        }
    },
    "steps": [
        {
            "type": "Conversion",
            "name": "Height <> Depth Conversion",
            "method": {
                "name": "Height Depth Reversal",
                "id": {
                    "authority": "EPSG",
                    "code": 1068
                }
            },
            "id": {
                "authority": "EPSG",
                "code": 7812
            }
        },
        {
            "type": "Transformation",
            "name": "Cascais depth to ZH Portugal depth (2)",
            "source_crs": {
                "type": "VerticalCRS",
                "name": "Cascais depth",
                "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Cascais"
                },
                "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                        {
                            "name": "Depth",
                            "abbreviation": "D",
                            "direction": "down",
                            "unit": "metre"
                        }
                    ]
                },
                "id": {
                    "authority": "EPSG",
                    "code": 10364
                }
            },
            "target_crs": {
                "type": "VerticalCRS",
                "name": "ZH Portugal depth",
                "datum": {
                    "type": "VerticalReferenceFrame",
                    "name": "Chart Datum Portugal "
                },
                "coordinate_system": {
                    "subtype": "vertical",
                    "axis": [
                        {
                            "name": "Depth",
                            "abbreviation": "D",
                            "direction": "down",
                            "unit": "metre"
                        }
                    ]
                },
                "id": {
                    "authority": "EPSG",
                    "code": 10349
                }
            },
            "method": {
                "name": "Vertical Offset",
                "id": {
                    "authority": "EPSG",
                    "code": 9616
                }
            },
            "parameters": [
                {
                    "name": "Vertical Offset",
                    "value": -2.08,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8603
                    }
                }
            ],
            "accuracy": "0.0",
            "id": {
                "authority": "EPSG",
                "code": 10381
            },
            "remarks": "The Zero Hidrografico surface is defined to be 2.08 metres below the Cascais vertical reference surface in the Tagus estuary off Lisbon and 2.0m below the Cascais vertical reference surface offshore mainland Portugal (see CT 10380). "
        }
    ],
    "accuracy": "0.0",
    "scope": "Hydrography and nautical charting.",
    "area": "Portugal - mainland - nearshore - Tagus estuary.",
    "bbox": {
        "south_latitude": 38.58,
        "west_longitude": -9.46,
        "north_latitude": 38.96,
        "east_longitude": -8.92
    },
    "id": {
        "authority": "EPSG",
        "code": 10393
    },
    "remarks": "The Zero Hidrografico surface is defined to be 2.08 metres below the Cascais vertical reference surface in the Tagus estuary off Lisbon and 2.0m below the Cascais vertical reference surface offshore mainland Portugal (see CT 10392)."
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=pipeline"
	"step"
	"proj=axisswap"
	"order=1,2,-3"
	"step"
	"proj=geogoffset"
	"dh=-2.08"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=pipeline +step +proj=axisswap +order=1,2,-3 +step +proj=geogoffset +dh=-2.08">
	<Layer srs="+proj=pipeline +step +proj=axisswap +order=1,2,-3 +step +proj=geogoffset +dh=-2.08">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 10393, 'EPSG', 10393, '+proj=pipeline +step +proj=axisswap +order=1,2,-3 +step +proj=geogoffset +dh=-2.08', 'None');