[Discuss-gnuradio] log scale on gnuradio wxgui scopesink "Counts"

is it possible to show in the wxgui_scopesink the "Counts" values in the form of a log scale, i.e. 10^(-1) 10^(-2), 10^(-3), 10^(-4) and so on ?

do i have to modify some source python file ?

thx in advance

Regards, Arturo