Jean-Michel Papy wrote: >> >> \psaxes[linewidth=0.5pt,axesstyle=frame,Ox=0.0,Dx=0.4,Oy=-2,ylogB ase=10,logLines=y,tickstyle=top,ticklines=x](0.0,-2)(2,3) >> \readdata{\data}{./result_2ch.dat} perhaps "ticks=x" Étienne Riga