set terminal png enhanced medium font ",14" set key off set size ratio -1 set xrange [-1:1] set yrange [-1:1] set lmargin at screen 0.06 set object 1 circle at 0,0 size 1 lw 4 fillstyle border 7 c=1 sq=1 set label 3 "4*N_circ/N_cuad = " at 1.05,0.2 do for [i=0:21000:20]{ set output sprintf( "frames/fr%.4d.png", i/20 ) set label 1 sprintf("N_circ = %d", c) at 1.05,0.5 set label 2 sprintf("N_cuad = %d", sq) at 1.05,0.4 set label 4 sprintf("%f", 4*c/sq) at 1.15,0.05 font "arial,14" plot 'out.dat' u 3:(c=$2,sq=$1,$4) ev ::::i # unset label 1 # unset label 2 # unset label 4 }