metre
Japanese Standard Levelling Datum 1969
EPSG
Geospatial Information Authority of Japan (GSI) bulletin volume 51 of March 2004.
2014-05-01
Geodesy, engineering survey.
Replaces JSLD49. Replaced by JGD2000 (vertical) (CRS code 6694) with effect from April 2002.
36.26 135.72
30.94 129.3
41.58 142.14
129.3 30.94
142.14 41.58
Definition: OGC Well Known Text 2 (2019)
VERTCRS["JSLD69 height", VDATUM["Japanese Standard Levelling Datum 1969"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy, engineering survey."], AREA["Japan - onshore mainland - Honshu, Shikoku, Kyushu."], BBOX[30.94,129.3,41.58,142.14]], ID["EPSG",5723]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "JSLD69 height", "datum": { "type": "VerticalReferenceFrame", "name": "Japanese Standard Levelling Datum 1969" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Geodesy, engineering survey.", "area": "Japan - onshore mainland - Honshu, Shikoku, Kyushu.", "bbox": { "south_latitude": 30.94, "west_longitude": 129.3, "north_latitude": 41.58, "east_longitude": 142.14 }, "id": { "authority": "EPSG", "code": 5723 } }
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 ( 5723, 'EPSG', 5723, '+vunits=m +no_defs +type=crs', 'VERT_CS["JSLD69 height",VERT_DATUM["Japanese Standard Levelling Datum 1969",2005,AUTHORITY["EPSG","5122"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5723"]]');