EPSG:6643

ASVD02 height

Attributes

Unit: metre

Geodetic CRS: ASVD02 height

Datum: American Samoa Vertical Datum of 2002

Data source: EPSG

Information source: National Geodetic Survey, http://www.ngs.noaa.gov

Revision date: 2020-12-14

Scope: Geodesy, engineering survey, topographic mapping.

Remarks: Replaces Tutuila 1962 height (CRS code 6638). Replaced by Pago Pago 2020 height after ASVD02 benchmarks destroyed by earthquake activity.

Area of use: American Samoa - Tutuila island.

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

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Definition: OGC Well Known Text

VERT_CS["ASVD02 height",
    VERT_DATUM["American Samoa Vertical Datum of 2002",2005,
        AUTHORITY["EPSG","1125"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","6643"]]

Definition: OGC Well Known Text 2 (2019)

VERTCRS["ASVD02 height",
    VDATUM["American Samoa Vertical Datum of 2002"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey, topographic mapping."],
        AREA["American Samoa - Tutuila island."],
        BBOX[-14.43,-170.88,-14.2,-170.51]],
    ID["EPSG",6643]]

Definition: ESRI Well Known Text

VERTCS["ASVD02_height",
    VDATUM["American_Samoa_Vertical_Datum_of_2002"],
    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:6643","+vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "VerticalCRS",
    "name": "ASVD02 height",
    "datum": {
        "type": "VerticalReferenceFrame",
        "name": "American Samoa Vertical Datum of 2002"
    },
    "coordinate_system": {
        "subtype": "vertical",
        "axis": [
            {
                "name": "Gravity-related height",
                "abbreviation": "H",
                "direction": "up",
                "unit": "metre"
            }
        ]
    },
    "scope": "Geodesy, engineering survey, topographic mapping.",
    "area": "American Samoa - Tutuila island.",
    "bbox": {
        "south_latitude": -14.43,
        "west_longitude": -170.88,
        "north_latitude": -14.2,
        "east_longitude": -170.51
    },
    "id": {
        "authority": "EPSG",
        "code": 6643
    }
}

Definition: GeoServer

6643=VERT_CS["ASVD02 height",VERT_DATUM["American Samoa Vertical Datum of 2002",2005,AUTHORITY["EPSG","1125"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6643"]]

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 ( 6643, 'EPSG', 6643, '+vunits=m +no_defs +type=crs', 'VERT_CS["ASVD02 height",VERT_DATUM["American Samoa Vertical Datum of 2002",2005,AUTHORITY["EPSG","1125"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6643"]]');