gnuplot /gallery / pressure slope
# Matthias in Karlsruhe contributed this nice multiplot example. # The original script that generates FIG format file was changed into PS. # output set terminal postscript enhanced eps color solid set output "pressureSlopes.eps" # set spaging between titels of plot set key spacing 2 # set data syle line set style data l # vertical lines set arrow 1 from 0.15,-1.45 to 0.15,1 nohead lt 5 set arrow 2 from 0.3,-1.45 to 0.3,1 nohead lt 5 # text inside the graph set label "aortic" at graph 0.19,0.15 set label "valve" at graph 0.19,0.05 set label "open" at graph 0.19,-0.05 #more than one plot set multiplot #set origin and size of first plot set origin 0.0,0.5 set size 1.0,0.5 ### upper graph #y axis set ylabel "normalized pressure P" set xrange [0:1] #x axis set format x "" unset xtics unset xlabel #y2 axis (this is a trick to achieve correct alignment) set y2label " " set y2range [0:1] set y2tics (" " 0.17) # plot plot "pressureSlopes.dat" u ($1*0.01):(($3+$5)/140) t "Pa0" lt 5 lw 3, "pressureSlopes.dat" u($1*0.01):($3/140) t "PWk" lt 8 lw 3 ### lower graph set origin 0.0,0.0 set size 1.0,0.5 #y axis set ylabel "normalized Qin" set ytics nomirror #y2 axis set y2range [*:*] set y2label "scaled Pex" set y2tics -0.2,0.2,1 #x axis set xlabel "time [s]" set xtics 0,0.1,1 set xtics nomirror set format x #no labels and arrows in second graph unset arrow 1 unset arrow 2 unset label 1 unset label 2 unset label 3 # plot plot "pressureSlopes.dat" u ($1*0.01):(($6/4)/100) t "Qin" lw 3, "pressureSlopes.dat" u($1*0.01):($5/100) t "Pex" lt 9 lw 3 unset multiplot
