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4 Wanted features 11
4.1 What’s new in gnuplot 3.7, 4.0, 4.2 etc? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.2 Does gnuplot support a driver for <graphics format>? . . . . . . . . . . . . . . . . . . . . . . 11
4.3 Does gnuplot have hidden line removal? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.4 Does gnuplot support bar-charts/histograms/boxes? . . . . . . . . . . . . . . . . . . . . . . . 12
4.5 Does gnuplot support pie charts? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.6 Does gnuplot quarterly time charts? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.7 Can I put multiple pages on one page? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.8 Does gnuplot support multiple y-axes on a single plot? . . . . . . . . . . . . . . . . . . . . . 12
4.9 Can I put both commands and data into a single file? . . . . . . . . . . . . . . . . . . . . . . 12
4.10 Can I put Greek letters and super/subscripts into my labels? . . . . . . . . . . . . . . . . . . . 12
4.11 How do I include accented characters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.12 Can I do 1:1 scaling of axes? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.13 Can I put different text sizes into my plots? . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.14 How do I skip data points? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.15 How do I plot every nth point? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.16 How do I plot a vertical line? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.17 How do I plot data files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.18 How do I replot multiplot drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5 Miscellaneous 14
5.1 I’ve found a bug, what do I do? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.2 Can I use gnuplot routines for my own programs? . . . . . . . . . . . . . . . . . . . . . . . . 14
5.3 What extensions have people made to gnuplot? Where can I get them? . . . . . . . . . . . . . 14
5.4 I need an integration, fft, iir-filter,...! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.5 Can I do heavy-duty data processing with gnuplot? or What is beyond gnuplot? . . . . . . . 15
5.6 Mouse in my interactive terminal does not work . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.7 How to use hotkeys in my interactive terminals . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.8 I have ported gnuplot to another system, or patched it. What do I do? . . . . . . . . . . . . . 16
5.9 I want to help in developing the next version of gnuplot. What can I do? . . . . . . . . . . . . 16
5.10 Open questions for inclusion into the FAQ? . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6 Making life easier 16
6.1 How do I plot two functions in non-overlapping regions? . . . . . . . . . . . . . . . . . . . . 16
6.2 How do I run my data through a filter before plotting? . . . . . . . . . . . . . . . . . . . . . . 16
6.3 How do I make it easier to use gnuplot with L
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X? . . . . . . . . . . . . . . . . . . . . . . . 17
6.4 How do I save and restore my settings? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.5 How do I plot lines (not grids) using splot? . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.6 How do I plot a function f(x,y) that is bounded by other functions in the x-y plane? . . . . . . 17
6.7 How do I turn off <feature> in a plot? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.8 How do I call gnuplot from my own programs? . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.9 What if I need h-bar (Planck’s constant)? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.10 What if I need the Solar mass symbol? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.11 How do I produce blank output page? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7 Common problems 18
7.1 Help! None of my fonts work. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.2 Gnuplot is not plotting any points under X11! How come? . . . . . . . . . . . . . . . . . . . 19
7.3 Why does gnuplot ignore my very small numbers? . . . . . . . . . . . . . . . . . . . . . . . 19
7.4 Gnuplot is not plotting on the screen when run from command line via ’gnuplot filename.gp’ 19
7.5 My formulas (like 1/3) are giving me nonsense results! What’s going on? . . . . . . . . . . . 19
7.6 My output files are incomplete! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
7.7 When using the L
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X–terminal, there is an error during the L
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X–run! . . . . . . . . . . . . 20
7.8 I can’t find the demos and example files at the URLs in the documentation! . . . . . . . . . . 20
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