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

[C Hamilton]

The Shape Tools  plugin may
have several tools to help. The plugin is installed in the Vector menu and
as a processing toolbox. The first tool is "Geodesic Measurement Layer"
This automatically creates a layer from a line layer that geodesically
measures all the distances between line nodes and outputs that as a new
attribute in the output table.

The second tool is an XY to line tool which expects two X,Y coordinates in
each record of a layer and creates an output line layer with the line drawn
between the two point.

Calvin

On Sat, Jan 26, 2019 at 9:31 PM Nicolas Cadieux <
nicolas.cadi...@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  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-requ...@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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Re: [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  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  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-requ...@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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> Qgis-user@lists.osgeo.org
> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
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>
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Re: [Qgis-user] Calculate GPS distance days daily with end of weeks

[Nicolas Cadieux]

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  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-requ...@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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Re: [Qgis-user] Calculate GPS distance days daily with end of weeks

[Mike Flannigan]

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-requ...@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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Re: [Qgis-user] Calculate GPS distance days daily with end of weeks

[Anita Graser]

Hi Alejandro,

I'm currently working on movement data analysis tools for QGIS (
https://github.com/anitagraser/qgis-processing-trajectory?files=1). If you
can share your data, I'll try to help.

Regards,
Anita

http://anitagraser.com

On Fri, Jan 25, 2019, 09:43 Alejandro Chamizo de Castro <
alecham...@gmail.com 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
>
> --
> Alejandro Chamizo de Castro
> +34 653681823
> www.gisland.es
>
>
> [image: Mailtrack]
> 
>  Remitente
> notificado con
> Mailtrack
> 
>  25/01/19
> 9:41:35
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[Qgis-user] Calculate GPS distance days daily with end of weeks

[Alejandro Chamizo de Castro]

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

-- 
Alejandro Chamizo de Castro
+34 653681823
www.gisland.es


[image: Mailtrack]

Remitente
notificado con
Mailtrack

25/01/19
9:41:35
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