An Introduction to GraphViz
Using dot, twopi and NEATO to create graphics is not difficult. The three utilities were made according to the UNIX philosophy: they are easy to use, they do one thing well and the only requirement for using them is a simple text editor.
Graphical tools that make use of dot, twopi and NEATO languages for making graphs exist as well, but I still prefer the command line. The presented tools can be used for simple graphs as well as for complex graphs.
I would like to thank Nikos Platis for proofreading the article.
"Methods for Visual Understanding of Hierarchical System Structures". Sugiyama, K., Tagawa, S. and Toda, M. Man and Cybernetics. IEEE Trans. Systems, February 1981.
A Technique for Drawing Directed Graphs. Gansner, E. R., Koutsofios, E., North, S. C. and Vo, K. IEEE Trans. Software Engineering, May 1993.
"An algorithm for drawing general undirected graphs". Kamada, T. and Kawai, S. Information Processing Letters, April 1989.
The Design and Analysis of Computer Algorithms. Aho, Hopcroft and Ullman. Addison Wesley, 1974.
Mihalis Tsoukalos lives in Greece with his wife, Eugenia, and works as a high school teacher. Previously, he worked as a UNIX systems administrator, an Oracle DBA, a UNIX programmer and a PL/SQL programmer. He holds a B.Sc. in Mathematics and a M.Sc. in Information Technology from University College, London. Mihalis can be reached at email@example.com.
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