geo-cheatsheet

From Microformats

geo cheatsheet

geo properties and how to use them.

Table of contents
1 Properties (Class Names)

1.1 Key
1.2 Notes

2 Related pages
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Properties (Class Names)

  • geo {1}
    • latitude?
    • longitude?
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Key

Based on Perl's standard quantifiers (http://www.perl.com/doc/manual/html/pod/perlre.html):

bold {1} MUST be present exactly once
italic* OPTIONAL, and MAY occur more than once
+ MUST be present, and MAY occur more than once
 ? OPTIONAL, but MUST NOT occur more than once
[square brackets] list of common values
(parentheses) data format
# comment
 ! awaiting documentation
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Notes

  • The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119.
  • Coordinates MUST use the datum of WGS84 (http://en.wikipedia.org/wiki/World_Geodetic_System).
  • If latitude is present, so MUST be longitude, and vice versa.
  • Coordinates MAY be combined a single <abbr> element; then the latitude and longitude MUST be separated by a semicolon in the title attribute and latitude MUST be first:
<abbr class="geo" title="37.386013;-122.082932">home</abbr>
  • Best practice is that the same number of decimal places SHOULD be used in each value, with trailing zeroes if applicable.
  • Some sources for latitude/ longitude coordinates (http://wikitravel.org/en/Wikitravel:Geocoding#Sources_for_lat.2Flongs)
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Related pages

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