[Loadstone] Points and Checkpoints

Shawn Kirkpatrick shawn at loadstone-gps.com
Mon Nov 3 07:55:42 GMT 2008


No, the coordinates are not matched, only the id and userid are used for 
matching. This allows a point's coordinates to be updated in the database.

On Wed, 29 Oct 2008, Miko³aj Rotnicki wrote:

> Hello,
>
> Thanks for the answer.
> But are the points in the database and checkpointlist still matched by
> the coordinates only?
>
> Mikolaj
>
> 2008/10/29 Shawn Kirkpatrick <shawn at loadstone-gps.com>:
>> A point's id and userid are used to relate it to the database. When a
>> checkpoints file is loaded the currently loaded database is checked to see
>> if any of the checkpoint data is out of date. If so, then the information
>> about the point from the database is used. If the checkpoint isn't found in
>> the current database then the information is used as supplied. If you update
>> a point's information and you have that point marked as a checkpoint then
>> you should probably resave your checkpoints file to make sure all
>> information is up to date. If you only ever use a single database then you
>> don't have to worry about this as much.
>>
>> On Tue, 28 Oct 2008, Miko³aj Rotnicki wrote:
>>
>>> Hello,
>>>
>>> Which "fields" associate (link) a point to a checkpoint (in the
>>> checkpoint list)?
>>> As for versions prior to 0.70, I believe, a checkpoint data consisted
>>> only of latitude and longitude
>>> for example a checkpiont data was:
>>> 52.0543951  16.4325653
>>>
>>> which anabled the association (link) to a point:
>>> "Point name",520543951,164325653,1,0,0,1,1225189128
>>>
>>> Since 0.70, checkpoint data are almost the same as point data.
>>> Sometimes extended with a comment "field".
>>>
>>> So which "fields" do the linking now?
>>>
>>> What is the synchronnization between the point and checkpoint data?
>>> Please explain in details if possible.
>>> What will happen to the checkpoints data when I update the point's name?
>>>
>>> Hope my questions are clear.
>>>
>>> Mikolaj Rotnicki
>>> _______________________________________________
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>>> Loadstone at loadstone-gps.com
>>> http://www.loadstone-gps.com/mailman/listinfo/loadstone
>>
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