There's this ticket about "Dissolve", that is similar in nature http://hub.qgis.org/issues/3828
There's a general problem with vector geoprocessing in QGIS, which is very slow. Arcgis, Grass and SAGA are considerably faster. On Fri, Feb 3, 2012 at 11:36 AM, Paolo Cavallini <[email protected]>wrote: > Il 03/02/2012 12:34, Filipe Silva Dias ha scritto: > > I'v had similar experiences with the intersect tool and dissolve tool >> with large shapefiles (Windows 7 64 bits). Sometimes QGIS just crashes >> before the processing ends. >> > ok, thanks. have you opened a ticket on this, attaching sample data? > this will help fixing the issue. > all the best. > > > -- > Paolo Cavallini > See: http://www.faunalia.it/pc > >
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