Provides hierarchical layout style algorithms which aim to highlight the main direction or flow within a directed graph.

Classes

	Class	Description
	AbstractDrawer	Abstract base class for the third phase of the Sugiyama algorithm.
	AlignmentDrawer	This class can be used to simply wrap another Drawer implementation.
	AlignmentDrawer..::..BottomAlignmentDataProvider	Simple utility class that can be registered with the graph to be laid out.
	AlignmentDrawer..::..LeftAlignmentDataProvider	Simple utility class that can be registered with the graph to be laid out.
	AlignmentDrawer..::..RightAlignmentDataProvider	Simple utility class that can be registered with the graph to be laid out.
	AlignmentDrawer..::..TopAlignmentDataProvider	Simple utility class that can be registered with the graph to be laid out.
	AsIsLayerer	This layerer implementation assigns layers by analyzing already existing node coordinates.
	BFSLayerer	Layerer that uses a breadth first search to assign layers to the nodes.
	ClassicLayerSequencer	This class implements the second phase of the Sugiyama algorithm.
	ConstraintLayerer	Layerer implementation that uses relative and absolute layering constraints.
	DrawerKeys
	EdgeReverser	Helper that reverses edges that are oriented in the wrong direction.
	GivenLayersLayerer	This layerer implementation layers the nodes by given layer IDs.
	HierarchicGroupLayouter	This class is an extended variant of the HierarchicLayouter class.
	HierarchicLayouter	This class implements a layout algorithm for drawing directed graphs in a hierarchic way.
	IncrementalHierarchicLayouter	This class is a variant of the classic HierarchicLayouter implementation.
	LeanLayersLayerer	Still experimental.
	LinearSegmentsDrawer	This class implements the third phase of the Sugiyama layout algorithm.
	MedianDrawerWrapper	This class can be used to improve the results of different drawers.
	MedianLinearSegmentDrawer	This class implements the third phase of the hierarchic layout algorithm.
	NodeLabelSpaceDrawer	This class can be used to wrap IDrawer implementations.
	PendularDrawer
	PolylineDrawer	This class is an implementation of the third phase of the Sugiyama algorithm, which represents edges by polylines.
	PortAssignment	This class assigns port coordinates to the edges of a graph.
	SimplexDrawer	Drawer based on rank-assignment.
	TopologicalLayerer	This class implements the first phase of the Sugiyama algorithm.
	TreeDrawer	This class implements the third phase of the hierarchic layout algorithm for trees.
	TreeDrawer..::..HierarchicTreePlacer	places nodes in their given layers (does not change the y coordinates) for the TREE layout style of a HierarchicLayouter.
	WeightedLayerer	This class implements the first phase of the hierarchic layouter.

Interfaces

	Interface	Description
	ConstraintLayerer..::..IConstraintFactory	Interface specification for classes that can create suitable constraints for a ConstraintLayerer instance.
	IDrawer	Interface for the third phase of the Sugiyama algorithm.
	ILayerer	This is the interface to the node layering phase of the hierarchic layouter.
	ILayerSequencer	Classes implementing this interface calculate the order of nodes within the different layers that the graph has been partitioned into.
	IMementoSupport	This interface is a Cookie for the HierarchicLayouter's memento support.

Enumerations

	Enumeration	Description
	AlgorithmPhase	Constant describing the first phase of the HierarchicLayouter algorithm.
	ComponentArrangementPolicy	Component arrangement constant that can be used in ComponentArrangementPolicy }.
	GroupAlignmentPolicy	Group layering alignment strategy specifier.
	LayeringStrategy	Layering strategy specifier.
	LayoutMode	Layout mode constant that can be used in LayoutMode .
	LayoutStyle	Layout style specifier.
	RankingPolicy	Ranking policy specifier.
	RoutingStyle	Edge routing style specifier.
	WeightHeuristic	Weight assignment heuristic specifier.

Remarks

Provides hierarchical layout style algorithms which aim to highlight the main direction or flow within a directed graph.

IncrementalHierarchicLayouter, the main implementation for the hierarchical layout style, supports both complete re-layout of a given diagram as well as incremental layout where only a subset of a diagram should be rearranged.
Also, IncrementalHierarchicLayouter (IHL) supports layout of "flat" as well as grouped graphs, i.e., graphs where nodes are contained within other, so-called group nodes.

Note that HierarchicLayouter and HierarchicGroupLayouter are legacy layout algorithms for the hierarchical layout style. They are superseded by IHL, which adds additional features like sophisticated swimlane layout support or incremental layout support.

Classes

Interfaces

Enumerations

Remarks

Related Documentation