[Loadstone] Extracting points from current database

Shawn Kirkpatrick shawn at loadstone-gps.com
Tue Apr 1 01:05:07 BST 2008


Having some kind of export criteria could probably be put in at some point.
I don't think the gps time gets anymore accurate with more satellites, the 
receiver gets a time signal from the satellites and I think they all have to 
be in sync.

On Mon, 31 Mar 2008, Ari Moisio wrote:

> Hi
>
>  I do not consider this very versatile. Usually i would like to extract
> for example points inside given area or outside of given area. Also
> ability to extract points with some keyword would be useful, for example
> all points containing string 'test'. After selecting ability to export or
> delete a group of points will be useful.
>
>
>
>  I do not quite understand the comment about receiver having accurate time
> only at first fix. AFAIK receiver calculates the time on satellite signals
> and the more satellites the more accurate time. Of course this  is not an
> issue  with bluetooth receivers, bt  delays will ruin any time accuracy. I
> just wondered why LS does not always sync the clock. This is not a big
> issue, there is always the manual sync option available.
>
>
>
>
> You can still escape from the Gates of hell: Use Linux!
> -- 
> mr. M01510
>
>
> On Mon, 31 Mar 2008, monty at loadstone-gps.com wrote:
>
>> Hi Ari,
>>
>> You can export a subset of points in terms of "all" or "personal".
>> Exporting personal points will export every point created  on your phone
>> or containing that user-id.  Perhaps allowing a user to export specific
>> user-id's might be something worth considering on the ToDO list.
>>
>> As for time ssync.  LS will attempt to sync once after your GPS has a
>> signal.  That is the only way you can be sure the time on your receiver is
>> accurate.  Most phones do not have so much time drift that it is an issue
>> for most people.
>>
>> Best regards,
>>   Monty
>>
>>
>> On Mon, 31 Mar 2008 arimo at iki.fi wrote:
>>
>>> Hi
>>>
>>>  Is there any way to  export only subset of current database. I though
>>> checking relevant points and setting use checkpoints only will work but
>>> export exported all points, not just checked.
>>>
>>>  Another issue about time syncing: when LS actually sets phone's clock. I
>>> have time sync enabled but it apparently sync the time when connecting and
>>> there is not always satellite coverage enough to get even the gps time.
>>>
>>>
>>>
>>> You can still escape from the Gates of hell: Use Linux!
>>>
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>>
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