graphviz

http://www.graphviz.org/doc/ - Graphviz Documentation Index
http://www.graphviz.org/doc/info/ - GraphViz Reference
http://www.graphviz.org/doc/info/attrs.html - Node, Edge and Graph Attributes
http://www.graphviz.org/Documentation.php
http://www.graphviz.org/pdf/dotguide.pdf
http://linuxdevcenter.com/lpt/a/4823 - An Introduction to GraphViz and dot


How to force position of edges in graphviz?
http://stackoverflow.com/questions/1477532/how-to-force-position-of-edges-in-graphviz
C:e -> F [constraint=false] # use a compass

How can I join or merge certain edge routes in dot?
http://www.graphviz.org/mywiki/FaqMerge
dot -Gconcentrate=true
> or
digraph G {
      yourvirtualnode [shape=circle,width=.01,height=.01,label=""]
      a -> yourvirtualnode [arrowhead=none]
      yourvirtualnode -> {b;c}
}

How to connect subgraphs?
http://stackoverflow.com/questions/2012036/graphviz-how-to-connect-subgraphs
digraph G {
  compound=true;
  subgraph cluster0 {
    a -> b;
    a -> c;
    b -> d;
    c -> d;
  }
  subgraph cluster1 {
    e -> g;
    e -> f;
  }
  b -> f [lhead=cluster1];
  d -> e;
  c -> g [ltail=cluster0, lhead=cluster1];
  c -> e [ltail=cluster0];
  d -> h;
}

How can I create edges between cluster boxes?
http://www.graphviz.org/mywiki/FaqClusterEdge
digraph G {
  compound=true;
  nodesep=1.0;
  subgraph cluster_A {
    a -> b; a -> c;
  }
  subgraph cluster_B {
    d -> e; f -> e;
  }
  a -> e [ ltail=cluster_A, lhead=cluster_B ];
}

How can I make client-side image maps? 
http://www.graphviz.org/mywiki/FaqClientSideMaps
Use the -Tcmapx command line option. 

Clusters are hard to see. 
http://www.graphviz.org/mywiki/FaqClusterHardToSee
Set bgcolor=grey (or some other color) in the cluster. 


Family tree layout with Dot/GraphViz
http://stackoverflow.com/questions/2271704/family-tree-layout-with-dot-graphviz




http://www.hokstad.com/tag/graphviz - cesitli farkli uygulamalarina onekler

# Non-graphvis content
http://gephi.org/