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A Geo "microformat, detected on the Wikipedia page for "Great Barr, by "Firefox's Operator extension. Users may add alternative mapping sources to those shown, which are included by default.

Geo is a "microformat used for marking up "WGS84 geographical coordinates ("latitude;"longitude) in "(X)HTML.[1] Although termed a "draft" specification, this is a formality, and the format is stable and in widespread use;[2] not least as a sub-set of the published "hCalendar[3] and "hCard[4] microformat specifications, neither of which is still a draft.[3][4]

Use of Geo allows parsing tools (for example other websites, or "Firefox's "Operator extension) to extract the locations, and display them using some other website or "mapping tool, or to load them into a "GPS device, index or aggregate them, or convert them into an alternative format.

Contents

Usage[edit]

The Geo microformat is applied using three "HTML classes. For example, the marked-up text:

<div>Belvide: 52.686; -2.193</div>

becomes:

<div class="geo">Belvide: <span class="latitude">52.686</span>; <span class="longitude">-2.193</span></div>

by adding the class-attribute values "geo", "latitude" and "longitude".

This will display

Belvide: 52.686; -2.193

and a geo microformat for that location, "Belvide Reservoir, which will be detected, on this page, by microformat parsing tools.

hCard[edit]

Each Geo microformat may be wrapped in an "hCard microformat, allowing for the inclusion of personal, organisational or venue names, postal addresses, telephone contacts, "URLs, pictures, etc.

Extensions[edit]

There are three active proposals, none mutually-exclusive, to extend the geo microformat:

Users[edit]

Organisations and websites using Geo include:

Many["which?] of the organisations publishing hCard include a geo as part of that.

See also[edit]

Notes[edit]

  1. ^ Must and should are used per the "IETF document "RFC 2119

References[edit]

  1. ^ "Geo Spec". microformats community. Retrieved 17 August 2010. 
  2. ^ "Extending HTML5 — Microformats". HTML5 Doctor. Retrieved 19 August 2010. 
  3. ^ a b "hCalendar 1.0 Spec". Microformats community. Retrieved 17 August 2010. 
  4. ^ a b "hCard 1.0 Spec". Microformats Community. Retrieved 17 August 2010. 
  5. ^ "Microformats in Google Maps". Retrieved 30 April 2016. 

External links[edit]

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