Le 22/03/2016 08:16, noguchi a écrit : > To HTH > > Thanks for your advise. I read the help but I tottally confused. > > I added following command after plot command, but it doesn't work. > > gcf().background = 1; With Scilab 6, it does, due to the new feature called "Recursive extraction". With scilab < 6: f = gcf(); f.background = 1;