Bonjour,

> I have a directed graph (actually, links between web-pages).  I'd like
> to display it "as planar as possible".  Are there any OCaml tools or
> libraries which I can use?  The nearest I've found is ocamlgraph which
> looks nice but doesn't seem to deal with the display side of things.

Graph drawing is an open and active research topic which makes a heavy
usage of state-of-the-art optimization tools and algorithms.

Displaying a graph "as planar as possible" is (of course) an NP-hard
problem and even a very hard one because constraints are not totally
explicit (most of the time you would like an interactive tool that
allows you to add and remove constraints while looking for a
satisfactory answer).

Try AGD (it is built over LEDA)

   http://www.ads.tuwien.ac.at/AGD/


        Diego Olivier

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