[Qgis-user] Attributes when using Dissolve on a polygon layer

[magerlin]

In Qgis you can dissolve a polygon layer by the Geoprocessing tools.

But as far as I can see you can not control what happens to the attribute
data?

It would be nice to have the possibility to select how attributes are
handled like in "Join attributes by location":

* Just get atributes from the first record
* Get a summary: Mean, min, max, sum or median of records

This would be usefull for jobs like summing up population numbers in
municipalities to get the population in counties (given you've got both
county and municipality ID's in the shapefile). 

Or is there an easyer way to do jobs like this?

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Regards Morten
(Qgis 1.7 and Win 7)
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