metre
Deutsches Haupthoehennetz 1912
EPSG
Landesamt für Digitalisierung, Breitband und Vermessung of Bavaria.
2015-12-20
Geodesy, engineering survey, topographic mapping.
Replaced by SNN56 and then SNN76 in East Germany and by DHHN85 in West Germany.
51.18 10.45
47.27 5.86
55.09 15.04
5.86 47.27
15.04 55.09
Definition: OGC Well Known Text 2 (2019)
VERTCRS["DHHN12 height", VDATUM["Deutsches Haupthoehennetz 1912"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy, engineering survey, topographic mapping."], AREA["Germany - onshore - states of Baden-Wurtemberg, Bayern, Berlin, Brandenburg, Bremen, Hamburg, Hessen, Mecklenburg-Vorpommern, Niedersachsen, Nordrhein-Westfalen, Rheinland-Pfalz, Saarland, Sachsen, Sachsen-Anhalt, Schleswig-Holstein, Thuringen."], BBOX[47.27,5.86,55.09,15.04]], ID["EPSG",7699]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "DHHN12 height", "datum": { "type": "VerticalReferenceFrame", "name": "Deutsches Haupthoehennetz 1912" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Germany - onshore - states of Baden-Wurtemberg, Bayern, Berlin, Brandenburg, Bremen, Hamburg, Hessen, Mecklenburg-Vorpommern, Niedersachsen, Nordrhein-Westfalen, Rheinland-Pfalz, Saarland, Sachsen, Sachsen-Anhalt, Schleswig-Holstein, Thuringen.", "bbox": { "south_latitude": 47.27, "west_longitude": 5.86, "north_latitude": 55.09, "east_longitude": 15.04 }, "id": { "authority": "EPSG", "code": 7699 } }
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 ( 7699, 'EPSG', 7699, '+vunits=m +no_defs +type=crs', 'VERT_CS["DHHN12 height",VERT_DATUM["Deutsches Haupthoehennetz 1912",2005,AUTHORITY["EPSG","1161"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","7699"]]');