Slot	Processor
Before phase 1	Compound Cycle Processor Graph Transformer Comment Preprocessor Edge And Layer Constraint Edge Reverser
Before phase 2	Big Nodes Processor Label Dummy Inserter
Before phase 3	Layer Constraint Processor Hierarchical Port Constraint Processor Compound Dummy Edge Remover Long Edge Splitter Port Side Processor Label Dummy Switcher Inverted Port Processor Self Loop Processor Port List Sorter North South Port Preprocessor
Before phase 4	Subgraph Ordering Processor In Layer Constraint Processor Hyperedge Dummy Merger Label Side Selector Label And Node Size Processor Port Position Processor Node Margin Calculator Compound Side Processor
Before phase 5	Hierarchical Port Dummy Size Processor Hierarchical Port Position Processor
After phase 5	Comment Postprocessor Hypernode Processor Hierarchical Port Orthogonal Edge Router Long Edge Joiner North South Port Postprocessor Label Dummy Remover Reversed Edge Restorer Compound Graph Restorer Graph Transformer End Label Processor

Preconditions	The graph is layered.
Postconditions	Nodes with fixed port orders have their port lists sorted accordingly.
Slot	Before phase 3, before phase 4.
Dependencies	None.
Remarks	It may make sense to use this processor in multiple slots. Once to ensure fixed port sides, once more to sort the port lists again for nodes that have just had their port orders fixed.

Port Position Processor

Calculates the exact coordinates a ports.

The graph is layered.

All nodes have a port order.

Preconditions	fixed
Postconditions	All nodes have fixed port positions.
Slot	Before phase 4.
Dependencies	None.
Remarks	None .

Port Side Processor

Ensures that nodes have at least fixed port sides.

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