[Qgis-user] Sampling points, keeping order

Richard McDonnell richard.mcdonnell at opw.ie
Mon Sep 12 02:29:34 PDT 2016


Add an ID column, I assume the order they appear in the table is the 
order they where entered in, therefore using an ID column should sort 
out your problem.
Regards,

Richard.


On 12/09/2016 02:10, Carlos Cerdán wrote:
> Yes, it is!
>
> Thank you very much Nicolas, that was I was looking for, "add raster 
> values to points" keeps ordered the attribute table of my sampling 
> point collection.
>
> Greetings from Perú.
>
> Carlos
>
> 2016-09-11 14:36 GMT-05:00 Nicolas Cadieux 
> <nicolas.cadieux at archeotec.ca <mailto:nicolas.cadieux at archeotec.ca>>:
>
>     Hi
>     Perhaps this could help.  It uses the processing toolbox.
>
>     https://pvanb.wordpress.com/2014/07/01/sampling-raster-values-at-point-locations-in-qgis-an-update/
>     <https://pvanb.wordpress.com/2014/07/01/sampling-raster-values-at-point-locations-in-qgis-an-update/>
>
>     Envoyé de mon iPad
>
>     Le 8 sept. 2016 à 18:10, Carlos Cerdán [via OSGeo.org
>     <http://osgeo.org>] <[hidden email]
>     <http:///user/SendEmail.jtp?type=node&node=5285189&i=0>> a écrit :
>
>>     Hi list:
>>
>>     I have got a rasters set for montly precipitation, between 1981
>>     and 2015, with names 1981-01; 1981-02; etc. so, in a files
>>     browser, 420 files (36 years x 12 months) are showed, ordered.
>>
>>     I also have a shape of points where I want to sampling points
>>     whit such plugin, but when I use it, fields are ordered randomly,
>>     so I'll have to use table manager plugin to order fields.
>>
>>     Some advice about how to make it directly, keeping order? Does
>>     "point sampling tool" plugin keep order with some way to order
>>     layers in QGIS panel?
>>
>>     As a shape file has limitations about the number of fields (255?)
>>     I have to do it in parts of 10 years. After it, i hope to join
>>     these parts in Spatialite. Is there some way to do it directly in
>>     Spatialite?
>>
>>     Greetings
>>
>>     Carlos Cerdán
>>
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-- 
*_Richard McDonnell_*
*GIS Specialist PgD GIS AssocSCSI*
*OPW FRM Data Management*
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