objref ps
ps = new PlotShape(0)
ps.size(-328.143,241.006,-427.84,323.699)
ps.variable("delta_egaba_cldifus")
ps.view(-328.143, -427.84, 569.149, 751.539, 308, 184, 295.2, 389.8)
fast_flush_list.append(ps)
// all lengths are plotted 1*actual size
forall ps.len_scale(1)
ps.exec_menu("Show Diam")
ps.exec_menu("Shape Plot")
// to change the variable scale 
ps.scale(0,4)