[Qgis-user] Calculate GPS distance days daily with end of weeks

[Anita Graser]

The code is ready
https://anitagraser.com/2019/01/26/movement-data-in-gis-19-splitting-trajectories-by-date/,
I just need to try it on the dataset.

Regards,
Anita

http://anitagraser.com

On Sun, Jan 27, 2019, 03:31 Nicolas Cadieux <nicolas.cadieux at archeotec.ca
wrote:

> Hi,
> The general idea is probably to convert all the point for each day into
> line.  Then, you can use the vector field calculator to measure the
> distance.
>
> Something like this would help.
> https://gis.stackexchange.com/questions/92751/draw-lines-from-points-in-qgis
> Nicolas
>
> Le 26 janv. 2019 à 21:16, Mike Flannigan <mikeflan at att.net> a écrit :
>
>
> I too am interested in how best to do this in
> QGIS, but if you want to do it outside of QGIS,
> this may help:
> http://bluemm.blogspot.com/2007/01/excel-formula-to-calculate-distance.html
>
>
> Mike
>
>
> On 1/25/2019 4:49 AM, qgis-user-request at lists.osgeo.org wrote:
>
> Dear colleagues,
>
>
> I ask for help: I have a layer of points with positions of birds marked
>
> with GPS. One of the columns is the value of the date. The analysis I would
>
> like to make is to empirically verify that individuals move from the area
>
> where they usually live on newspaper days, during weekends, due to hunting
>
> in the area.
>
> My idea is to calculate distance to points, for example, distance of all
>
> points of the week to the average GPS value of the diary days of that week.
>
> In theory, if the bird moves during the weekend by hunting, the distances
>
> of the days Saturday and Sunday should be greater than those of Monday,
>
> Tuesday, Wednesday, Thursday and Friday.
>
> How do you come up with this? Any other alternative?
>
>
> Thank you very much in advance
>
>
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