[texhax] Simple graph theory diagrams in a document

Hartmut Henkel hartmut_henkel at gmx.de
Wed Nov 21 21:08:59 CET 2007

On Wed, 21 Nov 2007, Tom Backer Johnsen wrote:

> Colleagues:
> Almost exactly a month ago, there were a question about drawing in a
> LatTex document.  I knew I would need a solution to that kind of
> problem, but not just right then.  So, I made a note, and left the
> problem for the time being.  Today, I looked at what I assumed was the
> outcome of the recomendations: pgf/tikz.
> Dear me, a 248-page manual in color.  A very powerful tool.
> Obviously.  And very obviously a blatant overkill in my case.
> I am writing a text within psychology there I employ basic stuff in
> graph theory.  The primary tool is what is called "signed and directed
> graphs", consisting of a set of points ("dots" on the paper) and a set
> of relations between them in the form of arrows (dashed for negative
> and solid for positive, which may be curved if there are arrows in
> both directions between two points).
> So I need to draw something like that in the MS, only consisting of
> very few points, maximum of say five.  Possibly with some kind of
> label (x1, x2 etc.) on the points, and possibly with some value (-2 to
> +2) associated with the relations or arrows.
> In other words, what I need is something that is "good enough", less
> of an overkill, but still producing nice diagrams.
> Any suggestions?

you can produce these e. g. with the program "dot". Uses text input,
makes automatic placement and routing, output .eps, see

Regards, Hartmut

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