[Talk-ca] Best way to keep OSM data "up to date" locally...

[Richard Weait]

On Tue, Jun 15, 2010 at 9:15 AM, Tyler Gunn <tyler at egunn.com> wrote:
>
> After accidentally not including the talk-ca list in my discussions, I'll
> start this off again. :)
>
> I'd like to keep a Garmin map of Winnipeg up to date.  Easy enough to do
> with a script to run mkgmap on my linux box.  However, I'm just curious
> what the easiest way is to keep an up to date copy of the date for Winnipeg
> on my machine?
>
> I realize I could get a planet.osm and apply the diff files to keep it up
> to date.  However since my interest is in a small area I would assume that
> this is not the most effective.  I searched around and the best I can come
> up with is to run a query on the XAPI servers every couple of days
> (http://wiki.openstreetmap.org/wiki/XAPI).  Does this correspond to your
> experiences?

That could work.  Is "every couple of days" close enough to "up to
date" for you?

As I understand it you can apply diff files to an extract as well as
to the entire planet.  So you could have a local extract and keep it
right up to date, then generate your Garmin files on your schedule.