DOT Langauge
Input format for Graphviz, one of the orgiginal graph layout programs.
Main Site:
http://www.graphviz.org
Authors
Multiple, orginally AT&T research
Contact:
mail list: http://www.graphviz.org/MailingList.php
Specification:
http://www.graphviz.org/doc/info/lang.html
http://www.graphviz.org/doc/info/attrs.html
License:
Software is under Common Public Licence, presumeably spec as well?
Translators and language bindings
Lots of well developed projects on graphviz site
http://www.graphviz.org/Resources.php
Short Example:
graph ER {
node [shape=box]; course; institute; student;
node [shape=ellipse]; {node [label="name"] name0; name1; name2;}
code; grade; number;
node [shape=diamond,style=filled,color=lightgrey]; "C-I"; "S-C"; "S-I";
name0 -- course;
code -- course;
course -- "C-I" [label="n",len=1.00];
"C-I" -- institute [label="1",len=1.00];
institute -- name1;
institute -- "S-I" [label="1",len=1.00];
"S-I" -- student [label="n",len=1.00];
student -- grade;
student -- name2;
student -- number;
student -- "S-C" [label="m",len=1.00];
"S-C" -- course [label="n",len=1.00];
label = "\n\nEntity Relation Diagram\ndrawn by NEATO";
fontsize=20;
}