@lists.osgeo.org
Subject: Re: [Qgis-user] Dissolve and sum of merged attributes?
Whenever I encounter an aggregation problem like this, my inclination is to
move to the realm of the database. In this case, you can take advantage of
Spatialite with its full SQL support to get what you want
From:
Micha Silver [mailto:mi...@arava.co.il]
Sent: den 27 mars 2012 8:10
To: Florn, Fredrik C.
Cc: qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] Dissolve and sum
Subject: Re: [Qgis-user] Dissolve and sum of merged attributes?
On 28/03/2012 09:40,
fredrik.flo...@teliasonera.commailto:fredrik.flo...@teliasonera.com wrote:
Micha, thank you for your very comprehensive reply. As I understand it
Spatialite is only concerned with the attribute table
Whenever I encounter an aggregation problem like this, my
inclination is to move to the realm of the database. In this case,
you can take advantage of Spatialite with its full SQL support to
get what you want.
In order to try out the process, I downloaded a
In a layer I have, e.g., a map of a number of areas of a country. Each area
has a row in the attribute table and a associated polygon. Each area also
has a number of fields with numerical values. Is there a way to merge the
areas based on a field value and sum the respective values of another
