set data style dots set parametric set nokey set noborder set noxtics set noytics plot 1.57*sin(t),1.57*cos(t) , .785*sin(t),.785*cos(t) with line 1, 0,0 with point 1 , .393*sin(t),.393*cos(t) , 1.18*sin(t),1.18*cos(t) with line 2, "down.dat"