[QGIS-Developer] Model for Temporal Measurement (vector) Datasets ?

[Anita Graser]

Hi Richard, Hi Tim,

Here's what I could come up with:
https://anitagraser.com/2022/10/01/visualizing-iot-time-series-with-qgis-mobilitydb/

I think it's promising but lacks GUI support.

Regards,

Anita


On 05.09.2022 01:34, Tim Sutton wrote:
> Hi Richard
>
> Thanks for clarifying your ideas. Could we not implement something
> similar to how WMS-T works in that we have a PostgreSQL-T provider
> extension for example that passes a time filter to the underlying data
> base request. In another system we are build for a client we have some
> logic to fetch min/max/mean/sum/etc from a time slice so we could have
> something similar such that each point has only one value for the
> current time slice.
>
> Not sure if I make myself clear or not...
>
>
> Regards
>
> Tim
>
> On Sun, Sep 4, 2022 at 4:22 PM Anita Graser via QGIS-Developer
> <qgis-developer at lists.osgeo.org> wrote:
>
>     Hi Richard,
>
>     On 02.09.2022 13:07, Richard Duivenvoorde wrote:
>     > Anybody is aware of a model in which data owns a location, but THAT
>     > location has a (growing) set of [timestamp, value] observation
>     data to
>     > it....
>
>     MobilityDB has temporal temporal bools, ints, floats, texts, and
>     geometries: https://docs.mobilitydb.com/MobilityDB/develop/ch03.html
>
>     So that would cover the storage question but the visualization issue
>     remains until we implement support for these types in Temporal
>     Controller.
>
>     Regards,
>
>     Anita
>
>
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> Tim Sutton
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