The commands set style data and set style function change the default plotting style for subsequent plot and splot commands. Many plotting styles are available in gnuplot. In the process, you’ll also encounter pseudocolumns, which are synthetic columns that gnuplot automatically provides when reading a file. The possible entries of format string can be: * . Improve this question. histograms - gnuplot.info will plot rows of the matrix, while using 2:3 will plot matrix columns, and using 1:2 the point coordinates (rather useless). Plotting the data from a two-column file is easy: plot '2col.dat' This … Ours is called make_plot.gp and looks like this: # Set size of output image set terminal png size 1200,800 # Set name of output file. plot '-' using 1:3 with lines notitle: Performs the plotting magic. Creating a histogram with Gnuplot – The Accidental Developer Histograms. gnuplot.setterm(teerm) Manually set the gnuplot terminal. Say, pick out the second column, and operate square root on this. For example, assuming that sed is installed on your Linux system, you can simply do: plot "< (sed -n '10,100p' my.dat)" Note that the columns in the first file are separated by whitespace, and the columns in the second file are separated by commas (a CSV file). The latest version of Gnuplot works with both formats without requiring you to specify a column-separator. Start Gnuplot from your Mac Terminal: See linetypes.If no using spec is found in the plot command, input data columns are interpreted implicitly in the order . vector To specify the line/point style use the plot command as follows: gnuplot> plot "force.dat" using 1:2 title 'Column' with lines, \ "force.dat" u 1:3 t 'Beam' w linespoints Note that the words: using , title , and with can be abbreviated as: u , t , and w . An alternative way to plot specific rows of data file is to use input redirection. Plotting data. The point type defaults to that of the linetype. This shows how to plot the same data as a rowstacked histogram. That is, use any external program to process raw data file, and redirect the output to gnuplot. In Ciotola Histograms The histograms style is only relevant to 2D plotting. Along the learning curve, I made some notes for myself. plot with table - gnuplot.info asked Mar 5, 2015 at 13:21. For example, to plot the third column in the file against the second, the syntax is gnuplot> plot 'mydata.dat' using 2:3 Connecting the Dots If instead of plotting a symbol for each data point, you would like data points connected with straight lines, use the with lines modifier.