EPSG:CODE

EPSG:9721 Catania 1965 height

Vertical · Italy - Sicily onshore

Export Formats

OGC WKT
VERT_CS[
    "Catania 1965 height",
    VERT_DATUM["Catania 1965",2005,AUTHORITY["EPSG","1306"]],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","9721"]
]

Related Coordinate Systems

Available Transformations (2)

Transformation Source → Target Accuracy (m)
5214 9721 0.01
6705 9721 0.035

Frequently Asked Questions

How do I add EPSG:9721 to GeoServer?

Add the following definition to your GeoServer configuration:

9721=VERT_CS["Catania 1965 height",VERT_DATUM["Catania 1965",2005,AUTHORITY["EPSG","1306"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9721"]]
Read the full GeoServer guide →

How do I add EPSG:9721 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (9721, 'EPSG', 9721, '+vunits=m +no_defs +type=crs', 'VERT_CS["Catania 1965 height",VERT_DATUM["Catania 1965",2005,AUTHORITY["EPSG","1306"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9721"]]');
Read the full PostGIS guide →

How do I add EPSG:9721 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:9721 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:9721", "+vunits=m +no_defs +type=crs");
Read the full Proj4js guide →