# # This demonstrates the use of gnuplot to pick up data from the # files linint and cubeint and plot comparisons of results # # To learn more about gnuplot commands enter an interactive gnuplot session # type "help" or "help" followed by the command name (.e.g. "help set") # The following line selects a TEKTRONICS emulation remove the # for Mac's #set terminal tek40xx # Uncomment the following 2 lines to make a postscript file #set terminal postscript #set output "plot.ps" set title "John Mahaffy, Internal Energy" # To include more information use the "set label" command set xlabel "Temperature" set ylabel "Internal Energy" set xrange [300:3000] # To let gnuplot determine the range see the "set autoscale" command set data style lines set key 1000,2.e7 plot 'linint' using 1:3 title "Linear Interpolation",\ 'cubeint' using 1:3 t "Cubic Interpolation" pause -1 "Hit return to continue" # This pause stops plots from flashing by on your screen, but # shouldn't be used (comment out) when generating a Postscript # file unless you remember to hit the necessary number of # returns during the gnuplot run. set title "John Mahaffy, Cv" set ylabel "Specific Heat Cv" set key 1000,6700. plot 'linint' using 1:2 title "Linear Interpolation",\ 'cubeint' using 1:2 t "Cubic Interpolation"