Re: [Qgis-user] advice needed - merge attributes

2011-09-18 Thread Andreas Neumann
going to try your idea and the suggestions I received from other people. David From: Andreas Neumann a.neum...@carto.net To: qgis-user@lists.osgeo.org Sent: Friday, 16 September 2011, 19:51 Subject: Re: [Qgis-user] advice needed - merge attributes Hi

[Qgis-user] advice needed - merge attributes

2011-09-16 Thread David
Hi everyone, On a shapefile, given to me by the person who created it, I need to merge some polygons to make larger units.    For example, select four adjacent polygons and use the merge tool and you get one large polygon.   Great.   However, on the attributes table what seems to happen is that

Re: [Qgis-user] advice needed - merge attributes

2011-09-16 Thread Anne Ghisla
On Fri, 16 Sep 2011 15:08:45 +0100 (BST) David david210...@yahoo.com wrote: Hi everyone, On a shapefile, given to me by the person who created it, I need to merge some polygons to make larger units.    For example, select four adjacent polygons and use the merge tool and you get one large

Re: [Qgis-user] advice needed - merge attributes

2011-09-16 Thread Andreas Neumann
Hi, This should work. After selecting and merging the polygons a table should pop up where you can select for each polygon the new attributes it should get. You can: * select one individual polygons attributes to be used or * min * max * mean * average However, I see that sum is not offered.