Hi, This subject has already come up before and John
> suggested using
> f = figure(1, frameon=False)
> for a totally transparent background which works fine as
> an optional argumento to subplot in the matlab interface
> subplot(111, frameon=False)
> I want to know what would be the equivalent to
> for the matlab interface, since subplot does not have a
> _figurePatch atribute.
I'm not sure exactly what you are asking. Axes and Subplot don't have
a _figurePatch, but they do have an _axesPatch, which as you note you
can turn off by using frameon=False. If you want to set it's alpha,
ax = subplot(111)
frame = ax.get_frame()
Is this what you are looking for?