   
                                        
                 README: Random generation of Hasse-diagrams
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            Copyright   (C)   2002  Markus Mottl (*)  at OEFAI (#)
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                         Vienna, September 14, 2002 
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1  Usage information
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  To run this example you need to install the dot-utility first, which you can
find in the GraphViz-distribution of AT&T:
  
      http://www.research.att.com/sw/tools/graphviz
  
  This utility can draw directed graphs given a human-readable specification.
  
  After compilation of the ``hasse''-binary (make), just run it, possibly
setting some options, about which you can learn by entering ``hasse -help''.
This will print a graph-specification as required by the ``dot''-utility to
standard output. If you want to visualize this graph, just redirect the
specification to some file to be read by ``dot'' or pipe it to this utility
directly:
  
      hasse | dot -Tps -o foo.ps
  
  This will generate a nicely rendered PostScript-file ``foo.ps'', which you
can visualize with your favourite viewer (e.g. ``gv'').
  
  Play around with some hasse-options to get a feeling for partially ordered
sets. The implementation of the hasse-tool is very simple and can be easily
extended to render any kind of partially ordered structure with the
``dot''-utility.
  

2  Contact information
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  In the case of bugs, feature requests and similar, you can contact me here:
  
    markus@oefai.at
  
  Up-to-date information concerning this library should be available here:
  
    http://www.oefai.at/~markus/ocaml_sources
  
  Enjoy!!
  
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 (*) http://www.oefai.at/~markus/
 
 (#) http://www.oefai.at
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