Hierarchical Nesting (Incremental)

This demo shows how to nicely lay out the newly loaded nodes when expanding folded groups in graph.

Each time a folded group is expanded for the first time, all of its child nodes are retrieved and then marked as incremental using HierarchicalLayoutData.incrementalNodes. The from-sketch mode of the layout algorithm then ensures that the currently visible part of the graph is well-organized while remaining similar to the previous arrangement.

Things to Try

• Expand or collapse a group node with the + or - button.

Demos

See the Hierarchical Nesting Demo for a hierarchical nested graph built on a pre-defined set of nodes without subsequent node retrieval.