Re: [Qgis-user] slow dissolve

2014-11-28 Thread Filipe Dias
Hi The Dissolve tool is very very slow. But from the Processing toolbox you can use the equivalent tool from SAGA GIS (Polygon dissolve) or v.dissolve from GRASS GIS which are considerably faster (assuming you have installed both these software packages). A new native QGIS Dissolve tool is being

[Qgis-user] slow dissolve

2014-11-28 Thread Torsten Lange
Hi, Since I work with QGIS the dissolve function tends to be very slow for me. E.g., it takes ours to dissolve a layer of 15000 polygons. ArcGIS in contrast, does the job in a couple of minutes. Usually, it doesn't take too long in our house until one of our ArcGIS licences is freed to solve th