Displaying attractive diagrams: the most important layout parameters in Dojo Diagrammer
In a previous blog post (Displaying attractive diagrams: quick hints for choosing a graph layout algorithm from Dojo Diagrammer), I've provided hints about how to choose a graph layout algorithm among those available in Dojo Diagrammer.
Complementary information about how to configure the parameters of these algorithms can be found in the following developerWorks article: The parameters that matter most for creating interactive diagrams on mobile devices. (Algorithm tips and performance hints for using IBM ILOG Dojo Diagrammer).
Hope this helps! (and, if you have questions, don't hesitate to ask)