Peter Mueller wrote:

> I looking for a library to graphically model state diagrams. Is it
> possible to draw diagrams like the following using Piccolo2D?


> Critical aspects are:
> - links between nodes of all layers
> - nodes can contain text
> - hierarchy
> - links between nodes in different levels of hierarchy and parent
> nodes

The model internal to Piccolo2D is that of a scene-graph, so you may
use that directly for your hierarchy.

Or if you would prefer, use an actual model of a state chart (e.g.
State Chart XML (SCXML) project at Apache Commons, and implement strictly the view in

Piccolo2D Developers Group:

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