Su un piano più prosaico: http://nathanw.net/2013/05/21/alpha-in-qgis-colour-ramps-oh-yeah/ Saluti. -- http://faunalia.it/pc Sorry for being short -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.gfoss.it/pipermail/gfoss/attachments/20130521/53daea00/attachment.html>