y.layout
Class LabelRanking

java.lang.Object
  y.layout.LabelRanking

All Implemented Interfaces:

ProfitModel

public class LabelRanking
extends java.lang.Object
implements ProfitModel

LabelRanking implements the ranking for edge and node labels.

In this implementation node label positions have no ranking, the profit for all candidates is 1.

The ranking of edge label positions depends on the locations described in the PreferredPlacementDescriptor associated with an edge. Note that this implementation only works correctly if the label model is either a SliderEdgeLabelModel or a DiscreteEdgeLabelModel.

Constructor Summary

LabelRanking()
Creates a new instance of LabelRanking.

Method Summary

double

getProfit(LabelCandidate candidate) Returns the profit for placing a label using the given LabelCandidate.

Methods inherited from class java.lang.Object

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

Constructor Detail

LabelRanking

public LabelRanking()

Creates a new instance of LabelRanking.

Method Detail

getProfit

public double getProfit(LabelCandidate candidate)

Description copied from interface: ProfitModel

Returns the profit for placing a label using the given LabelCandidate.

Higher profit means better candidates. Hence, there is a higher probability that the candidate is chosen by a labeling algorithm.

Profits need to have a value between 0 and 1.

Specified by:

getProfit in interface ProfitModel

Parameters:

candidate - the candidate

Returns:

the profit of the candidate