Salve, > Warning: QPixmap: It is not safe to use pixmaps outside the GUI thread > Warning: QPixmap: It is not safe to use pixmaps outside the GUI thread > Segmentation fault dovrebbe essere un problema (giá corretto) di gdal/ogr, non di qgis https://trac.osgeo.org/qgis/ticket/2837 http://trac.osgeo.org/gdal/ticket/3665 -- Giovanni --