EPSG:6693

JSLD72 height

Attributes

Unit: metre

Geodetic CRS: JSLD72 height

Datum: Japanese Standard Levelling Datum 1972

Data source: EPSG

Information source: Geospatial Information Authority of Japan (GSI) bulletin volume 51 of March 2004.

Revision date: 2013-12-16

Scope: Geodesy, engineering survey.

Remarks: Replaced by JGD2000 (vertical) (CRS code 6694) with effect from April 2002.

Area of use: Japan - onshore mainland - Hokkaido.

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

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SimpleMap

Center coordinates
43.44 142.78

Projected bounds:
41.34 139.7
45.54 145.87

WGS84 bounds:
139.7 41.34
145.87 45.54

Japan - onshore mainland - Hokkaido.
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Definition: OGC Well Known Text

VERT_CS["JSLD72 height",
    VERT_DATUM["Japanese Standard Levelling Datum 1972",2005,
        AUTHORITY["EPSG","1129"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","6693"]]

Definition: OGC Well Known Text 2 (2019)

VERTCRS["JSLD72 height",
    VDATUM["Japanese Standard Levelling Datum 1972"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey."],
        AREA["Japan - onshore mainland - Hokkaido."],
        BBOX[41.34,139.7,45.54,145.87]],
    ID["EPSG",6693]]

Definition: ESRI Well Known Text

VERTCS["JSLD72_height",
    VDATUM["Japanese_Standard_Levelling_Datum_1972"],
    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:6693","+vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "VerticalCRS",
    "name": "JSLD72 height",
    "datum": {
        "type": "VerticalReferenceFrame",
        "name": "Japanese Standard Levelling Datum 1972"
    },
    "coordinate_system": {
        "subtype": "vertical",
        "axis": [
            {
                "name": "Gravity-related height",
                "abbreviation": "H",
                "direction": "up",
                "unit": "metre"
            }
        ]
    },
    "scope": "Geodesy, engineering survey.",
    "area": "Japan - onshore mainland - Hokkaido.",
    "bbox": {
        "south_latitude": 41.34,
        "west_longitude": 139.7,
        "north_latitude": 45.54,
        "east_longitude": 145.87
    },
    "id": {
        "authority": "EPSG",
        "code": 6693
    }
}

Definition: GeoServer

6693=VERT_CS["JSLD72 height",VERT_DATUM["Japanese Standard Levelling Datum 1972",2005,AUTHORITY["EPSG","1129"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6693"]]

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 ( 6693, 'EPSG', 6693, '+vunits=m +no_defs +type=crs', 'VERT_CS["JSLD72 height",VERT_DATUM["Japanese Standard Levelling Datum 1972",2005,AUTHORITY["EPSG","1129"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6693"]]');