metre
Tutuila Vertical Datum of 1962
EPSG
National Geodetic Survey, http://www.ngs.noaa.gov
2013-10-21
Geodesy, engineering survey, topographic mapping.
Replaced by ASVD02 height (CRS code 6643).
-14.31 -170.69
-14.43 -170.88
-14.2 -170.51
-170.88 -14.43
-170.51 -14.2
Definition: OGC Well Known Text 2 (2019)
VERTCRS["Tutuila 1962 height", VDATUM["Tutuila Vertical Datum of 1962"], 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",6638]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "Tutuila 1962 height", "datum": { "type": "VerticalReferenceFrame", "name": "Tutuila Vertical Datum of 1962" }, "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": 6638 } }
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 ( 6638, 'EPSG', 6638, '+vunits=m +no_defs +type=crs', 'VERT_CS["Tutuila 1962 height",VERT_DATUM["Tutuila Vertical Datum of 1962",2005,AUTHORITY["EPSG","1121"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6638"]]');