GraphViz

Graphviz is open source graph visualization software. Graph visualization is a way of representing structural information as diagrams of abstract graphs and networks. It has important applications in networking, bioinformatics, software engineering, database and web design, machine learning, and in visual interfaces for other technical domains.

http://www.graphviz.org/

http://www.tonyballantyne.com/graphs.html

GraphViz for MoinMoin

http://moinmo.in/GraphVizForMoin

cd /tmp
wget http://moinmo.in/GraphVizForMoin?action=AttachFile&do=view&target=MoinGraphViz-1.0rc4-brn-1.9.x.comp.zip
unzip MoinGraphViz-1.0rc4-brn-1.9.x.comp.zip
cd/tmp/MoinGraphViz-1.0rc4-brn-1.9.x.comp/wiki/data/plugin
cp * -r /home/moin/moin-1.9.7/wiki/data/plugin/
cd /home/moin/moin-1.9.7/wiki/data/plugin/
chown moin * -R
chgrp apache * -R
cd/tmp/MoinGraphViz-1.0rc4-brn-1.9.x.comp/umoin
cp MoinLegacy /home/moin/moin-1.9.7/MoinMoin/support/
cd /home/moin/moin-1.9.7/MoinMoin/support/
chown moin * -R
chgrp apache * -R
yum install graphviz
vim /home/moin/moin-1.9.7/wiki/data/plugin/parser/MoinGraphViz/main-py # GRAPHVIZ_TOOLS_DIR = r'/usr/bin'
service httpd restart

Windows configuration

On file <...>moin-1.9.7\wiki\data\plugin\parser\MoinGraphViz\main.py change in line 254 from close_fds=True to close_ds=False, due to error launched in Windows.

   1 def oscmd(cmd):
   2     '''instead of simply calling os.system(cmd)
   3     capture stderr and raise GraphvizRenderError if exit code != 0
   4     '''
   5     p = Popen(cmd, stdout=PIPE, stderr=PIPE, shell=True, 
   6             bufsize=1024, close_fds=False)
   7     stdo, stde = p.communicate()
   8 
   9     if p.returncode != 0:
  10         raise GraphvizRenderError("%s\n%s" % (stdo, stde))