y.layout.tree
Class BalloonLayouter.NodeInfo

java.lang.Object
  y.layout.tree.BalloonLayouter.NodeInfo

Enclosing class:

BalloonLayouter

public static class BalloonLayouter.NodeInfo
extends java.lang.Object

Encapsulates information bound to a node while the algorithm calculates a layout.

Field Summary

double	dist The distance of the node to its root node.
double	gapAngle The angle of the gap to the wedge of the previous child node.
double	lowerAngle The lower angle of the subtree wedge rooted at the node.
double	upperAngle The upper angle of the subtree wedge rooted at the node.

Method Summary

double

getAngleSum() Returns the sum of all wedge angles of the subtree rooted at this node.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

upperAngle

public double upperAngle

The upper angle of the subtree wedge rooted at the node.

lowerAngle

public double lowerAngle

The lower angle of the subtree wedge rooted at the node.

gapAngle

public double gapAngle

The angle of the gap to the wedge of the previous child node.

dist

public double dist

The distance of the node to its root node.

Method Detail

getAngleSum

public double getAngleSum()

Returns the sum of all wedge angles of the subtree rooted at this node.

Returns:

the sum of upperAngle, lowerAngle and gapAngle