# vortex_commands.txt # set term png set output 'vortex.png' # # Add titles and labels. # set xlabel '<--- X --->' set ylabel '<--- Y --->' set title 'Navier-Stokes velocity field' unset key # # Add grid lines. # set grid set size ratio -1 # # Timestamp the plot. # set timestamp plot 'vortex_data.txt' using 1:2:5:6 with vectors \ head filled lt 2 linecolor rgb 'blue' quit