[Qgis-user] Tracking data in QGIS

[Anita Graser]

Hi Hans,

If you have lots of data, it's indeed best to load them into PostGIS and
create an index on the timestamp column to speed up TimeManager's queries.

Best wishes,
Anita


On Tue, Jun 18, 2013 at 9:34 AM, Hans Skov-Petersen <hsp at life.ku.dk> wrote:

>  Great community, this one. Thanks.
>
> So, considering a massive amount of point-based tracking data – including
> sub-second temporal resolution - could be handled in QGIS/TimeManager. May
> I assume that data optimally should be loaded into a PostGIS/PostGress DB
> ‘behind’ QGIS?
>
> Cheers
>
> Hans
>
>
>
> *From:* qgis-user-bounces at lists.osgeo.org [mailto:
> qgis-user-bounces at lists.osgeo.org] *On Behalf Of *Anita Graser
> *Sent:* 18. juni 2013 07:46
> *To:* qgis-user at lists.osgeo.org
> *Subject:* Re: [Qgis-user] Tracking data in QGIS
>
>
>
> Hi,
>
> On Tue, Jun 18, 2013 at 12:16 AM, . <digitalmaps at cox.net> wrote:
>
> however it seems that gradually the project file gets corrupted and all
> the Time Manager layers have to be reloaded. Sometimes the layer
> definitions need to be reloaded from the data base to make it work again.
>
>
>
>
>
> Mhm, I thought that was fixed ...
>
> The problem there is most likely that the filter/query (which you can see
> in Layer Properties | General | Subset) becomes permanent for some reason.
> You can try to delete it from there before you resort to removing the
> layers.
>
> Also, use Style | Save Style as Default before you remove the layer. This
> way, at least the style will be restored automatically when you reload the
> layer.
>
>
>
> Please let me know of any problems on the TimeManager Github page
>
>
> https://github.com/anitagraser/TimeManager/issues?direction=desc&sort=created&state=open
>
>
>
> Best wishes,
>
> Anita
>
>
>
>
>
>
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