Hi all, we can't set the output shapefile in the Convex hull plugin, the selection is not keep when we click on the "save" button :-( This problem occurs in Qgis 0.11 and 1.0 preview2 (ubuntu). Thanks -- Lionel Roubeyrie chargé d'études LIMAIR - La Surveillance de l'Air en Limousin http://www.limair.asso.fr