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• If fixed port sides are required, the PortPositionProcessor may be of use.
• Support for in-layer connections may be required to be able to handle certain problems. (odd port sides, for instance)

Current Implementations

• LayerSweepCrossingMinimizer. Does several sweeps across the layers, minimizing the crossings between each pair of layers using a barycenter heuristic. Supports node successor constraints and layout groups. Node successor constraints require one node to appear before another node. Layout groups specify sets of nodes whose nodes must not be interleaved.

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