Difference between revisions of "geo-extension-waypoints"

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= Geo Waypoints =
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= Geo Waypoint Trails =
An exploration of adding waypoint information to Geo data.
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An exploration of adding trail or boundary information to Geo data.
  
[http://en.wikipedia.org/wiki/Waypoint Waypoints] are geographic points, presented sequentially, describing routes (which may or may not have been traversed at specific times) or boundaries (which may be on any scale, from a small garden to a continent).
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[http://en.wikipedia.org/wiki/Waypoint Waypoints] are geographic points, as currenty published using the [[geo]] microformat.
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Presented sequentially, they can describe trails or routes (which may or may not have been traversed at specific times) or boundaries (which may be on any scale, from a small garden to a continent).
  
 
== The Problem ==
 
== The Problem ==
To allow the publishing of waypoints in such a way that they are downloadable and parsable.
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To allow the publishing of series of waypoints in such a way that they are downloadable and parsable.
  
 
== Participants ==
 
== Participants ==
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===Typical mandatory attributes===
 
===Typical mandatory attributes===
*Latitude (WSG84, decimal or Degrees-minutes-seconds)
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*Latitude (WSG84, using decimal or degrees-minutes-seconds values)
 
*Longitude (ditto)
 
*Longitude (ditto)
 
*text label
 
*text label
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==Issues==
 
==Issues==
*How to differentiate between a route (for example in the shape of a letter "U") and a boundary - in other words, to say whether or not, after the last point, the line returns to the first.
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*How to differentiate between a trail (for example in the shape of a letter "U") and a boundary - in other words, to say whether or not, after the last point, the line returns to the first.
 
*How to sequence/ timestamp waypoints
 
*How to sequence/ timestamp waypoints
 
**Perhaps using [[hatom|hAtom]] and/ or [[hcalendar|hCalendar]]?
 
**Perhaps using [[hatom|hAtom]] and/ or [[hcalendar|hCalendar]]?

Revision as of 15:41, 23 March 2007

Geo Waypoint Trails

An exploration of adding trail or boundary information to Geo data.

Waypoints are geographic points, as currenty published using the Geo microformat.

Presented sequentially, they can describe trails or routes (which may or may not have been traversed at specific times) or boundaries (which may be on any scale, from a small garden to a continent).

The Problem

To allow the publishing of series of waypoints in such a way that they are downloadable and parsable.

Participants

Real-World Examples

Collections

Typical mandatory attributes

  • Latitude (WSG84, using decimal or degrees-minutes-seconds values)
  • Longitude (ditto)
  • text label

Typical optional attributes

  • elevation
  • image
  • note ?
  • url ?

Issues

  • How to differentiate between a trail (for example in the shape of a letter "U") and a boundary - in other words, to say whether or not, after the last point, the line returns to the first.
  • How to sequence/ timestamp waypoints

See Also