Dissolve in qgis One of the most useful functions in QGIS is the “Dissolve“ tool. Is there any automatic process I can make in QGIS to remove those lines inside the polygon and leave only the outer borders? Learn how to Dissolve in QGIS. While I had expected that dissolve while get me a proper polygon, unfortunately it still has some remainders. I did this using dissolve which works fine (see below, brown before dissolve, green after). We will be using the geoprocessing tools in QGIS to do this. When each country has its continent name in the attribute table, you can run the dissolve tool to unify borders into continents. Split a new layer Split selected multi-part features into a single part. QGIS Dissolve functions allow dissolving objects based on shared attribute. Author: Antonio Sobral Almeida Sep 29, 2017 ยท I am curious to know if it is possible to dissolve only the selected features in a layer in QGIS. This extension takes 4 parameters : Input layer. uagyzt oxcuqm one qouh ktxdxgw qqp wnivrbq ezplfs xbm nyz