I've got a polygon shapefile with 11 features (11 Italian cities) and I want them to merge them into one, however I cannot activate the "Merge selected features" button.

Any suggestion about the reason?

Mind that the project SR and the layer SR are the same and I already verified the topology.

I attach a snapshot of the viewer and a link to download the shapefile.

Snapshot of the viewer Download the shapefile

  • 1
    I downloaded your dataset, opened it with QGIS 2.14.1, and successfully merged them with the merge selected features tool in the advanced digitizing toolbar – Vale Nov 23 '16 at 9:41
  • I'm working with 2.18: maybe it's a bug of the Qgis version? – SaraZanni Nov 23 '16 at 9:42
  • You may try closing your current project, open a new QGIS project and load ONLY the shapefile "comuni merge". Edit mode, select the 11 features in the attribute table, and then Merge (a table will pop-up you need to select one of the features). The Merge button looks like this: i.stack.imgur.com/kfqIA.png – Vale Nov 23 '16 at 9:46
  • That's what I was trying to do, but the "Merge selected features" remains frozen, as you can see here:link – SaraZanni Nov 23 '16 at 9:51
  • 1
    I merged the polygons in QGIS 2.18. Could the problem be with the file permissions? Try saving the file to a different folder and try merging the second shape file. – Banger Nov 24 '16 at 8:36

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