This is another way to get multiple plots at once: plot file1. Plot for filename(i) using 1:2 with lines filenames = "first second third fourth fifth" You may find that gnuplot's for loops are useful in this case, if you adjust your filenames or graph titles appropriately.Į.g. The error arises because gnuplot is trying to interpret the word "plot" as the filename to plot, but you haven't assigned any strings to a variable named "plot" (which is good – that would be super confusing). See more in the examples folder.Change plot "print_1012720" using 1:2 title "Flow 1", \ ![]() Plot.arbitrary_lines << "set ylabel \"y label" font \"Helvetica,20\"" You can also add arbitrary lines to the output In this example, because there are two arrays, each array will be a single column of data to the gnuplot process. Simply pass an array of data to the constructor of the DataSet object or set the data property of the DataSet. Plotting discrete pointsĪrray data can be plotted quite easily since have a defined to_gplot method. See the file examples/output_image_file.rb. Or you can write it out to a file (the above snippet displays the graph, in Linux, but in windows you’d need to write it to a file). Any object can be passed to the constructor as long as it understands the << operator. ![]() When the plot block ends, if an IO object is given to the Plot constructor, the plot commands will be written to the IO object. ![]() This method uses the << operator to add the DataSet to the plot.
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