[Loadstone] Route Question

Shawn Kirkpatrick shawn at odyssey.cm.nu
Fri Jan 19 02:44:34 GMT 2007

The last_position file is updated when the gps is connected so it will be 
changed the next time you connect your gps receiver. This has no effect on 
any loaded databases so you don't have to worry about the default database. 
The only effect this may have is it may take a couple seconds to find a 
point in your default database if the last positionis far away from anything 
in that file. If the default database is farely small then this won't be a 

On Thu, 18 Jan 2007, Michael O. Hanson wrote:

> Dear Fellow Loadstone Users:
> I finally have center line and shelter data for the Appalachian Trail loaded
> on my phone.  Thanks to rob and other loadstone developers for being more
> patient and letting less of their frustration with some of my more stupid
> mistakes show than I deserved.  Needless to say, I have these files backed
> up in several places.
> I am planning to lay out a route now.  I will probably edit the last
> position file to make Loadstone think I am at various points along the AT
> and check points of interest, such as shelter locations and center points
> near shelters.  I plan to leave my GPS receiver off while laying out this
> route to prevent Loadstone confusing my current position with where I want
> it to think I am.  I hope that will allow my phone to work more quickly and
> process data more efficiently than if I work from Minneapolis and try to lay
> out a route, for example, in Georgia.  I will set a small enough search
> radius to allow Loadstone to process relatively small numbers of points.  I
> am considering something between ten and one hundred kilometers (six and
> sixty miles or so).  I have over sixteen thousand points covering just over
> two thousand miles to work with.  Asking Loadstone or any other adapted GPS
> program I know of to work with files that large over such distances does not
> seem particularly efficient.
> I have three questions before I try this idea.  First, when I turn Loadstone
> on and connect my GPS receiver, is the last position file updated to reflect
> my current position?  I assume it is but would rather double check.
> Second, should I do anything about the default database when I edit the last
> position file?  If so, what?  My default database is for the Twin Cities in
> Minnesota.  It is also backed up.
> Thanks,
> Mike Hanson
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