Date: 11 May 1999 08:59:57 -0000
From: Wolfram Kahl <kahl@heraklit.informatik.unibw-muenchen.de>
To: caml-list@inria.fr
Subject: Re: Graph Visualization
> > > With so many people developing excellent compilers,
> > > I was hoping to get a hint on the visualization of
> > > graphs (even trees would help) using native OCAML.
> > > The layout is not required to be good; this is
> > > intended for researching the nature of large Web
> > > sites using our existing modeling software written
> > > in OCAML.
> > I don't know about OCAML graph-viz tools, but some
> > time ago I did a search for graph-viz tools in
> > general, and attached below are my notes. Hope
> > they are of some use to you.
>
> I suppose that it is worth mentioning in this connection the HOPS (Higher
> Object Programming System) project, which uses da Vinci together with O'Labl
> to format higher-order term graphs (but not of O'Labl terms).
>
> http://diogenes.informatik.unibw-muenchen.de:8080/kahl/HOPS/
Actually I am not using daVinci, but dot from AT&T's graphviz package.
I start dot with open_process and pipe my graph descriptions into it,
reading back its layout with ocamllex/ocamlyacc generated parsers.
I then adapt the layout to my own needs and integrate it into
the HOPS GUI, where the user can manually change the layout.
I kill dot every 10 or 20 graphs, because it seems to have a space leak.
HTH
Wolfram
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