Poor handling of non uniform node dimensions in the non-hierarchy

[ugurdogrusoz]

See attached graph and how non uniform node dimensions are not handled well and overlaps take place in the non-hierarchical part. graph (1).graphml.txt

[ugurdogrusoz]

Here is another example: graph.graphml.txt

If you run HySE in animated mode, you also notice that:

• Most of the time is spent on unsettling hierarchical part whereas undirected part takes little time
• Node dimensions are not taken into account properly (may be we're using center to center distances rather than clipping points) in the undirected part

[ugurdogrusoz]

This is probably the force directed model is tuned to handle smaller nodes and providing much larger nodes would need re-adjustment of the constants for repulsion, spring, etc. So, ignoring this problem.