[OSM-dev] Sanity check please - ignore GPS-point duplicates in track data

Tom Hughes tom at compton.nu
Fri Jun 15 00:24:50 BST 2007

In message <794714112 at web.de>
          michael_j at email.de wrote:

> In order to reduce the download time and the amount of memory needed
> by JOSM, it seems to be appropriate to consider:
> 1. dropping following duplicate GPS-points during upload to the OSM
>    database or

I believe it is deliberate policy to keep all the data, although I guess
exact duplication is an interesting case.

> 2. dropping those at the OSM database during download or

I guess this would be possible.

> 3. including the repeat  information as optional parameter into
>    the GPS-point  during download:
>    E.g.: <trkpt lat="51.71124" lon="8.336345"/ repeat="546"/>

Presumably that would violate the GPX schema, and hence be a bad idea.


Tom Hughes (tom at compton.nu)

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