EPSG:9927

GNTRANS2016 height

Attributes

Unit: metre

Geodetic CRS: GNTRANS2016 height

Datum: GNTRANS2016

Data source: EPSG

Information source: Deutsche Bahn AG via Geo++, www.geopp.de

Revision date: 2021-12-30

Scope: Engineering survey and topographic mapping for railway applications.

Remarks: Replaces GNTRANS height [also called GNTRANS2003 height] (CRS code 9923). Approximates national DHHN2016 height system (CRS code 7837) to around 1cm in lowlands and 2cm in high mountains.

Area of use: 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.

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

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Center coordinates
51.18 10.45

Projected bounds:
47.27 5.86
55.09 15.04

WGS84 bounds:
5.86 47.27
15.04 55.09

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.
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Definition: OGC Well Known Text

VERT_CS["GNTRANS2016 height",
    VERT_DATUM["GNTRANS2016",2005,
        AUTHORITY["EPSG","1318"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","9927"]]

Definition: OGC Well Known Text 2 (2019)

VERTCRS["GNTRANS2016 height",
    VDATUM["GNTRANS2016"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Engineering survey and topographic mapping for railway applications."],
        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",9927]]

Definition: ESRI Well Known Text

VERTCS["GNTRANS2016_height",
    VDATUM["GNTRANS2016"],
    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:9927","+vunits=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "VerticalCRS",
    "name": "GNTRANS2016 height",
    "datum": {
        "type": "VerticalReferenceFrame",
        "name": "GNTRANS2016"
    },
    "coordinate_system": {
        "subtype": "vertical",
        "axis": [
            {
                "name": "Gravity-related height",
                "abbreviation": "H",
                "direction": "up",
                "unit": "metre"
            }
        ]
    },
    "scope": "Engineering survey and topographic mapping for railway applications.",
    "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": 9927
    }
}

Definition: GeoServer

9927=VERT_CS["GNTRANS2016 height",VERT_DATUM["GNTRANS2016",2005,AUTHORITY["EPSG","1318"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9927"]]

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 ( 9927, 'EPSG', 9927, '+vunits=m +no_defs +type=crs', 'VERT_CS["GNTRANS2016 height",VERT_DATUM["GNTRANS2016",2005,AUTHORITY["EPSG","1318"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9927"]]');