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Template:Coord - Wikipedia

This template is used on approximately 1,370,000 pages, or roughly 2% of all pages.
To avoid major disruption and server load, any changes should be tested in the template's /sandbox or /testcases subpages, or in your own user subpage. The tested changes can be added to this page in a single edit. Consider discussing changes on the talk page before implementing them.

When this template is used with display=title, the template is not displayed on mobile. Templates using the classes class=navbox ({{navbox}}) or class=nomobile ({{sidebar}}) are not displayed in article space on the mobile web site of English Wikipedia. Mobile page views account for approximately 68% of all page views (90-day average as of September 2024[update]). Briefly, these templates are not included in articles because 1) they are not well designed for mobile, and 2) they significantly increase page sizes—bad for mobile downloads—in a way that is not useful for the mobile use case. You can review/watch phab:T124168 for further discussion. This template is still displayed on mobile when used with display=inline, e.g. in infoboxes.

Quick guide

To add 44°06′45″N 87°54′47″W / 44.1124°N 87.9130°W / 44.1124; -87.9130 to the top of an article, use either

{{Coord|44.1124|N|87.9130|W|display=title}}

(which does not require minutes or seconds but does require the user to specify north/ south and east/west) or

{{Coord|44.1124|-87.9130|display=title}}

(in which the north and east are presumed by positive values while the south and west are negative ones). These coordinates are in decimal degrees.

Optional coordinate parameters follow the longitude and are separated by an underscore ("_"):

Other optional parameters are separated by a pipe ("|"):

Thus: {{Coord|44.1172|-87.9135|dim:30_region:US-WI_type:event

|display=inline,title|name=accident site}}

Use |display=title (or |display=inline,title) once per article, for the subject of the article, where appropriate.

Purpose

{{Coord}} provides a standard notation for encoding locations by their latitude and longitude coordinates. It is primarily for specifying the WGS84 geographic coordinates of locations on Earth, at the same time emitting a machine-readable Geo microformat. However, it can also encode locations on natural satellites, dwarf planets, and planets other than Earth.

See also: Wikipedia:WikiProject Geographical coordinates.

Features

Latitude and longitude may be specified (with appropriate precision) either in decimal notation or as degrees/minutes/seconds. By default, coordinates appear in the format used to specify them. However, the format= parameter can be used to force display in a particular format. The template also accepts and displays coordinates formatted as degrees and decimal minutes as found on charts and maritime references.

The template displays the formatted coordinates with a hyperlink to GeoHack. GeoHack displays information customized to the location, including links to external mapping services.

For terrestrial locations, a blue globe () appears to the left of the hyperlink. Clicking on the globe activates the WikiMiniAtlas (requires JavaScript).

By default, coordinates appear "in line" with the adjacent text. However, the display= parameter can be used to move the coordinates up near the page title (in desktop view only; title coordinates do not display in mobile view)—or display them in both places at once.

The template outputs coordinates in three formats:

Additional features

Caveats

The template must not be modified without prior discussion. External tools can depend on the format of both the wikitext and/or the generated html.

Pages with many inline coordinates may come close to or exceed Wikipedia's Post-expand include size limit. In these cases, consider using {{#invoke:Coordinates|coord}} instead:

Usage

{{coord|latitude|longitude|coordinate parameters|template parameters}}
{{coord|dd|N/S|dd|E/W|coordinate parameters|template parameters}}
{{coord|dd|mm|N/S|dd|mm|E/W|coordinate parameters|template parameters}}
{{coord|dd|mm|ss|N/S|dd|mm|ss|E/W|coordinate parameters|template parameters}}

The hemisphere identifiers (N/S) and (E/W), if used, must be adjacent to the enclosing pipe "|" characters, and cannot be preceded or succeeded by spaces.

There are two kinds of parameters, all optional:

  • display=inline – Display the coordinate inline (default)
  • display=title – Display the coordinate at the top of the article, beside the article's title (replaces {{coor title dms}} family; coordinates are displayed in desktop view only; title coordinates do not display in mobile view)
    • shortcut: display=t
  • display=inline,title – Display the coordinate both inline and beside the article's title (replaces {{coor at dms}} family)
    • shortcut: display=it
  • display=title,inline has the same effect as display=inline,title
Note: the title attribute indicates that the coordinates apply to the entire article, and not just one of (perhaps many) places mentioned in it—so it should only be omitted in the latter case. Additionally the title option will mark the coordinates as the primary coordinates for the page (and topic of the page) in the geosearch API.
  • format=dec reformats the coordinates to decimal degrees format.
  • format=dms reformats the coordinates to degrees | minutes | seconds format.
Note: a name= parameter causes {{Coord}} to emit an hCard microformat using that name, even if used within an existing hCard. Do not use when the name is that of a person (e.g for a gravesite), as the generated hCard would be invalid. Also, do not use square brackets in names.

Helper functions

Helper functions are available to manipulate the output from {{Coord}} when it appears in a container template such as an infobox.

Use:

{{#invoke:coordinates|coord2text|{{Coord|57|18|22|N|4|27|32|E}}|lat}} → 57.30611

and similarly to extract the longitude, use:

{{#invoke:coordinates|coord2text|{{Coord|57|18|22|N|4|27|32|E}}|long}} → 4.45889

Note: this method removes the microformat markup, and should not be used inside templates which emit parent microformats, such as infoboxes or table-row templates.

Displaying all coordinate links on one map

The templates {{GeoGroup}} and {{Maplink}} can be used in an article with coordinates. {{GeoGroup}} creates links to a mapping service, which will display all the coordinates on a single map, and to other services which allow the coordinates to be used or downloaded as KML or GPX format. {{Maplink}} adds either a link or an embedded mapframe, which can display all named coordinates from a page or section ({{coord}} templates using the |name= parameter).

Examples

For the guideline on coordinate precision, see

WP:OPCOORD

.

References

Coordinate parameters

The first unnamed parameter following the longitude is an optional string of coordinate parameters, separated by underscores. These parameters help GeoHack select suitable map resources, and they will become more important when Wikimaps becomes fully functional.

type:T

The type: parameter specifies the type of location for reverse mapping (for instance, to select a marker icon in the WikiMiniAtlas).

It also sets the map scale, which can however be overridden by dim: or scale:.

Valid types are:

T Description Map scale adm1st Administrative unit of country, 1st level (province, state), see table, e.g. U.S. states 1:1,000,000 adm2nd Administrative unit of country, 2nd level, see table, e.g. county (United States) 1:300,000 adm3rd Administrative unit of country, 3rd level, see table 1:100,000 airport airports and airbases 1:30,000 city(pop) cities, towns, villages, hamlets, suburbs, subdivisions, neighborhoods, and other human settlements (including unincorporated and/or abandoned ones) with known population
Please replace pop with a number. Commas in pop will be ignored. There should be no blanks. 1:30,000 ... 1:300,000 city cities, towns, villages, hamlets, suburbs, subdivisions, neighborhoods, and other human settlements (including unincorporated and/or abandoned ones) with unspecified population
These are treated as minor cities. 1:100,000 country (e.g. "type:country") 1:10,000,000 edu schools, colleges, and universities 1:10,000 event one-time or regular events and incidents that occurred at a specific location, including battles, earthquakes, festivals, and shipwrecks 1:50,000 forest forests and woodlands 1:50,000 glacier glaciers and icecaps 1:50,000 isle islands and isles 1:100,000 landmark buildings (including churches, factories, museums, theatres, and power plants but excluding schools and railway stations), caves, cemeteries, cultural landmarks, geologic faults, headlands, intersections, mines, ranches, roads, structures (including antennas, bridges, castles, dams, lighthouses, monuments, and stadiums), tourist attractions, valleys, and other points of interest 1:10,000 mountain peaks, mountain ranges, hills, submerged reefs, and seamounts 1:100,000 pass mountain passes 1:10,000 railwaystation stations, stops, and maintenance areas of railways and trains, including railroad, metro, rapid transit, underground, subway, elevated railway, etc. 1:10,000 river rivers, canals, creeks, brooks, and streams, including intermittent ones 1:100,000 satellite geo-stationary satellites 1:10,000,000 waterbody bays, fjords, lakes, reservoirs, ponds, lochs, loughs, meres, lagoons, estuaries, inland seas, and waterfalls 1:100,000 camera To indicate the location of where a specific image was taken. This type is used by coordinate templates on File pages. 1:10,000 Default scale: if no type is used or the type is not defined in the GeoHack extension 1:300,000

scale:N

The scale: parameter specifies the desired map scale as 1:N, overriding the scale implied by any type: parameter.

GeoHack uses scale: to select a map scale for a 72 dpi computer monitor. If no dim:, type:, or scale: parameters are provided, GeoHack uses its default scale of 1:300,000.

dim:D

The dim: parameter defines the diameter of a viewing circle centered on the coordinate. While the default unit of measurement is metres, the km suffix may be appended to indicate kilometres.

GeoHack uses dim: to select a map scale such that the viewing circle appears roughly 10 centimetres (4 in) in diameter on a 72 dpi computer monitor. If no dim:, type:, or scale: parameters are provided, GeoHack uses its default viewing circle of 30 kilometres (19 mi).

region:R

The region: parameter specifies the political region for terrestrial coordinates. It is used to select appropriate map resources. If no region: parameter is provided, GeoHack attempts to determine the region from the coordinates.

The region should be supplied as either a two character ISO 3166-1 alpha-2 country code or an ISO 3166-2 region code.

Examples of ISO 3166-1 alpha-2 codes:

Examples of ISO 3166-2 region codes:

The oceans have the following Wiki assigned code elements per de:Vorlage:Coordinate#Ozeane.

In addition, two Wiki assigned code elements can be used with {{coord}}:

globe:G

The globe: parameter specifies the planet, dwarf planet, asteroid, or natural satellite upon which the coordinates reside. Apart from earth (the default), recognized values are: mercury, venus, moon, mars, phobos, deimos, ceres, vesta, jupiter, ganymede, callisto, io, europa, mimas, enceladus, tethys, dione, rhea, titan, hyperion, iapetus, phoebe, miranda, ariel, umbriel, titania, oberon, triton, pluto, and charon.

Very rough mapping is provided on geohack for almost all supported globes. The pop-out WikiMiniAtlas system provides limited mapping for Moon, Mars, Mercury, Venus, Io, and Titan, as of February 2021[update].

The maps roughly implies a coordinate reference system, but does not clearly specify one (unlike Earth's WGS84). Since the template defaults to east longitude, the |W| direction must be specified for globes that measure longitude westward. For celestial coordinates, use {{Sky}} instead.

source:S

Specifies, where present, the data source and data source format/datum, and optionally, the original data, presented in parentheses. This is initially primarily intended for use by geotagging robots, so that data is not blindly repeatedly copied from format to format and Wikipedia to Wikipedia, with progressive loss of precision and attributability.

Examples:

Per-user display customization

To always display coordinates as DMS values, add this to your common.css:

.geo-default { display: inline }
.geo-nondefault { display: inline }
.geo-dec { display: none }
.geo-dms { display: inline }

To always display coordinates as decimal values, add this to your common.css:

.geo-default { display: inline }
.geo-nondefault { display: inline }
.geo-dec { display: inline }
.geo-dms { display: none }

To display coordinates in both formats, add this to your common.css:

.geo-default { display: inline }
.geo-nondefault { display: inline }
.geo-dec { display: inline }
.geo-dms { display: inline }
.geo-multi-punct { display: inline }

If CSS is disabled, or you have an old copy of MediaWiki:Common.css cached, you will see both formats. (You can either clear your cache or manually refresh this URL: [1].)

To disable display of the blue globe adjacent to coordinates, add this to your common.js:

var wma_settings = {enabled:false}

Note that this will disable WikiMiniAtlas.

See also: Wikipedia:Manual of Style/Dates and numbers § Geographical coordinates.

Incorrect uses and maintenance categories

The template has some input checks built in. Most errors display a bold, red message inline and categorize the article in the hidden maintenance category Pages with malformed coordinate tags. There are currently 41 pages in that category. See the category description for further instructions.

A more thorough daily report of coordinates needing repair is at tools:~dispenser/view/File viewer#log:coord-enwiki.log[dead link].

See also: WT:GEO#To do

Internals

This template is completely powered by the Lua Module:Coordinates.

Class names

The class names geo, latitude and longitude are used to generate the microformat and MUST NOT be changed.

History

This template used to use a lot of sub templates but these have all been replaced by {{Coordinates}}.

Template Data

This template uses overloading which does not work well with the VisualEditor/TemplateData. Consider using "Edit source" instead of the visual editor until this defect is corrected. To facilitate visual editing in the meantime, consider using {{coordDec}} for signed decimal degrees, {{coordDMS}} when degrees minutes and seconds are specified, and {{coordDM}} when just degrees and minutes are given.

Encodes the latitude and longitude coordinates of a location, provides a link to map of the location. This template does not work well with the Visual Editor, consider using {{coordDec}} for signed decimal degrees, {{coordDMS}} when degrees minutes and seconds are specified {{coordDM}} when only degrees and minutes are specified. To use this template you will need to use positional parameter following one of these schemes: {{coord | D | M | S | NS | D | M | S | EW | geo | opts}}, {{coord | D | M | NS | D | M | EW | geo | opts}}, {{coord | D| NS | D| EW | geo | opts}} {{coord | sD | sD | geo | opts}} where D is degrees, M is minutes, S seconds, sD signed decimal degrees, NS is N or S, EW is E or W, opts are named parameter and geo are the coordinate parameters described on the main doc page.

Template parameters[Edit template data]

Parameter Description Type Status 1 1

Either degrees latitude or a signed decimal degrees latitude

Number suggested 2 2

Either: minutes latitude, signed decimal degrees longitude or 'N' or 'S'.

String suggested 3 3

Either: second latitude, degrees longitude, 'N' or 'S' or GeoHack parameters

String optional 4 4

Either: degrees longitude, 'N', 'S', 'E' or 'W' or GeoHack parameters

String optional 5 5

Either: degrees longitude, minutes longitude or GeoHack parameters

String optional 6 6

Either: minutes longitude, 'E' or 'W' or GeoHack parameters

String optional 7 7

Either second longitude, or GeoHack parameters

String optional 8 8

'E' or 'W'.

String optional 9 9

GeoHack parameters. Example: dim:30_region:US-WI_type:event

String optional Wikidata item qid

Retrieve coordinates from a WikiData entry instead of from this template's parameters

Example
Q513
Line optional Display display

Where it is displayed. Can be one of: 'inline' in the body of the article, 'title' at the top of the article or 'inline,title' both

Suggested values
inline title inline,title
Default
inline
Line suggested Name name

a label to place on maps (default is PAGENAME)

String optional Notes notes

text displayed immediately following the coordinates

String optional Format format

How the coordinates are displayed, either 'dec' or 'dms'

Suggested values
dec dms
Line optional Geosearch nosave

Set to 'true' if you want to avoid this coordinate to be registered in the geosearch API.

String optional

See also


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