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Overview

Location is specified using Atom 1.0's official extension mechanism (see Extending Atom).

Simple

  • point <georss:point>
  • line <georss:line>
  • polygon <georss:polygon>
  • box <georss:box>

GML

We add a <georss:where> element as a child of the <entry> element. Within <georss:where> you may specify geography.

  • point <gml:Point>
  • line <gml:LineString>
  • polygon <gml:Polygon>
  • box <gml:Envelope>

Atom processing software is required to either read or ignore this type of "foreign markup"--not fail, so there is no danger of breaking someone's RSS reader (or publisher) by including this <where> element in your feed.

note: GML allows you to specify a coordinate reference system (CRS) other than WGS84 decimal degrees (think lat/long). If you have a need to express geography in a CRS other than this, we recommend that you specify the geographic object multiple times, one in WGS84 and the others in your other desired CRSes.

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