Works very nice with the font type I used in here. Here, 90 is the relevant entry after size as it describes. Theads 'heads size 0.5,90 front ls 201' set arrow from -24,-2 to -24, 2 Theads set arrow from -22, 2 to -21.44,1.92 Theads set arrow from 1.5,-pi to 1.5,pi Theads set arrow from -22,2.5pi to 0,2.5pi Theads. ![]() The choice of the right type of font is vital so as gnuplot to display correctly not only the letters someone wants, but also other things as the superscripts in labels. This kind of arrays can be achieved in gnuplot with the following code. If the font path does not complain with errors, then propably you have chosen it correctly, and it will display the fonts you want.Įvery time someone makes a change and wants to save that change to the "name_of_file.png", someone should retype the (*) command first, then give the changes (for example set another xlabel) and finaly replot. Set output "name_of_file.png" (*) -> see below Set term png enhanced font "/usr/share/fonts/truetype/msttcorefonts/Times_New_Roman.ttf" If you want to have hellenic, or some other fonts in your labels, you have to type the path of the fonts that you want to use: Now, in order to save the above "project" to a png file it suffices to type: The following is an example of employing these commands: gnuplot> set ylabel 'labely'. Iv)with f(x)=#, where # is a number, we plot a line parallel to the x axis Also, we can rotate labels as well as set their font and size. Iii)with replot we plot a second plot to the same plot (hope this was clear) Ii)the lt #, where # is a number, gives the color of the line, I)the linewidth shows "how big" the line will be Replot "file2" u 1:2 w l linewidth 4 lt 1 (the process took place in gutsy gibbon, I think that it will work in most linux boxes) Which allows to choose the fonts we want to use in gnuplot labels and also to extract a plot with multiple sub-plots in a display file. Gnuplot is a portable command-line driven graphing utility for Linux, OS/2, MS Windows, OSX, VMS, and many other platforms. This is a how to based on here (in hellenic language): In order for gnuplot to find the font the environmental variable GDFONTPATH should be able to look where the fonts are installed. Searching further about the error it seems that gnuplot cannot find a font that is needed. GdImageStringFT: Could not find/open font Options are 'nocrop enhanced medium size 640,480 ' ![]() I have tried to set both the size for postscirpt files inside gnuplot or via the convert command, yet to no avail. I get the output in png and the label as it should be, yet with the exception that the resolution is not as good as cretaing a png file from gnuplot. Maybe you propose to install something else? Several methods are available for Gnuplot: Set the global fonts size for the terminal: set terminal enhanced font Verdana,10. ![]() 1) Every time I type the plot command inside gnuplot I get a preview of my plot in a new window.Ģ) I have installed many tex packages from synaptic, yet to no avail as far as png files from gnuplot are concerned.
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