EPSG:6181 — Horta height

Vertical · Portugal - Azores C - Faial onshore

Export Formats

OGC WKT

VERT_CS[
    "Horta height",
    VERT_DATUM["Horta",2005,AUTHORITY["EPSG","1104"]],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Gravity-related height",UP],
    AUTHORITY["EPSG","6181"]
]

WKT2

VERTCRS[
    "Horta height",
    VDATUM["Horta",ID["EPSG",1104]],
    CS[vertical,1,ID["EPSG",6499]],
    AXIS["Gravity-related height (H)",up],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",6181]
]

PROJ.4

+vunits=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:6181", "+vunits=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 6181,
  "name": "Horta height",
  "kind": "vertical",
  "area": "Portugal - Azores C - Faial onshore",
  "unit": "metre",
  "bbox": [
    38.46,
    -28.9,
    38.7,
    -28.54
  ],
  "proj4": "+vunits=m +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (6181, 'EPSG', 6181, '+vunits=m +no_defs +type=crs', 'VERT_CS["Horta height",VERT_DATUM["Horta",2005,AUTHORITY["EPSG","1104"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6181"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

6181=VERT_CS["Horta height",VERT_DATUM["Horta",2005,AUTHORITY["EPSG","1104"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6181"]]

Related Coordinate Systems

Available Transformations (1)

Transformation	Source → Target	Accuracy (m)
Horta height to ZH Portugal depth (1)	6181 → 10349	0

Other CRS using Horta

Frequently Asked Questions

How do I add EPSG:6181 to GeoServer?

Add the following definition to your GeoServer configuration:

6181=VERT_CS["Horta height",VERT_DATUM["Horta",2005,AUTHORITY["EPSG","1104"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6181"]]

Read the full GeoServer guide →

How do I add EPSG:6181 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (6181, 'EPSG', 6181, '+vunits=m +no_defs +type=crs', 'VERT_CS["Horta height",VERT_DATUM["Horta",2005,AUTHORITY["EPSG","1104"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6181"]]');

Read the full PostGIS guide →

How do I add EPSG:6181 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:6181 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:6181", "+vunits=m +no_defs +type=crs");

Read the full Proj4js guide →