Breaking an axis
Sometimes we would like to plot something over two disjoint domains, but want the plot to be contained in a single graph. In this case, we need to indicate that there is a discontinuity in the axis and generate two separate sets of tic marks, as shown in the following figure:
How to do it…
The following gnuplot script will produce the previous figure. It is provided with this book as a file called breaking_an_axis.gnuplot. Run it with gnuplot breaking_an_axis.gnuplot to get a PNG file that should look just like the previous figure. If you don't have the pngcairo terminal installed, you can use the png terminal or anything you wish, ...
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