I've discovered that it works after resizing the plot window. Perhaps gnuplot has a problem when the plot window is not created in gnuplot's default size. I think I should try the newest development release and rather contact the gnuplot developers if it persist.
Thanks for answering! Benno _______________________________________________________________ SMS schreiben mit WEB.DE FreeMail - einfach, schnell und kostenguenstig. Jetzt gleich testen! http://f.web.de/?mc=021192
