EPSG:CODE

EPSG:9923 — GNTRANS height

Vertical · Germany - onshore

Export Formats

OGC WKT
VERT_CS[
    "GNTRANS height",
    VERT_DATUM["GNTRANS",2005,AUTHORITY["EPSG","1316"]],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","9923"]
]

Frequently Asked Questions

How do I add EPSG:9923 to GeoServer?

Add the following definition to your GeoServer configuration: 

9923=VERT_CS["GNTRANS height",VERT_DATUM["GNTRANS",2005,AUTHORITY["EPSG","1316"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9923"]]
Read the full GeoServer guide →

How do I add EPSG:9923 to PostGIS?

Add the following definition to your PostGIS configuration: 

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (9923, 'EPSG', 9923, '+vunits=m +no_defs +type=crs', 'VERT_CS["GNTRANS height",VERT_DATUM["GNTRANS",2005,AUTHORITY["EPSG","1316"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9923"]]');
Read the full PostGIS guide →

How do I add EPSG:9923 to MapServer?

Add the following definition to your MapServer configuration: 

PROJECTION
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END
Read the full MapServer guide →

How do I use EPSG:9923 with Proj4js?

Add the following definition to your Proj4js configuration: 

proj4.defs("EPSG:9923", "+vunits=m +no_defs +type=crs");
Read the full Proj4js guide →