Hi,
Having a problem dissolving two large multi polygons – one of my students asked why I suggest ‘dissolve’ – when ‘merge selected features’ was so much faster. Dissolve takes ages. After consulting a master on this issue (Nyall ☺) he suggested that I change the settings -> Options -> Digitizing -> and change "Validate geometries" from QGIS to "GEOS". Now the dissolve runs smooth and fast I don´t have a clue about this topic – But my question is: Why is this not standard ? Regards Lene Fischer Associate Professor University of Copenhagen Department of Geoscience and Natural Resource Management Forest and Landscape College Nødebovej 77a 3480 Fredensborg Denmark MOB +45 004540115084 l...@ign.ku.dk<mailto:l...@ign.ku.dk> [cid:image001.gif@01D1F2C9.B37C4870]
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