Chapter 20. Drawing Graphs on Unix Systems Using gnuplot and PostgreSQL
It has always been said that Unix and graphics are not a good match. In fact, Unix offers much more than just command shells that aren't user friendly. In this section you take a closer look at a tool called gnuplot, which can be used to generate wonderful graphics on Unix systems (and on Windows systems as well).
gnuplot was originally designed and developed by Colin Kelley and Thomas Williams in 1986 for plotting functions and datafiles on a variety of terminals. From 1988 to 1989, an alternative version called GnuTex ,which supported LaTex was implemented. Since then, gnuplot has been capable of producing LaTex code. Tex is a text-based layout software, which ...