com.graphhopper.routing.lm

Class PrepareLandmarks

java.lang.Object

com.graphhopper.routing.util.AbstractAlgoPreparation

com.graphhopper.routing.lm.PrepareLandmarks

public class PrepareLandmarks
extends AbstractAlgoPreparation

This class does the preprocessing for the ALT algorithm (A* , landmark, triangle inequality).

http://www.siam.org/meetings/alenex05/papers/03agoldberg.pdf

Author:

Peter Karich

Constructor Summary

Constructors

Constructor and Description
PrepareLandmarks(Directory dir, GraphHopperStorage graph, LMConfig lmConfig, int landmarks)

Method Summary

Modifier and Type	Method and Description
void	doSpecificWork()
LMConfig	getLMConfig()
LMRoutingAlgorithmFactory	getRoutingAlgorithmFactory() Convenience method to obtain a routing algo factory from the preparation.
int	getSubnetworksWithLandmarks()
long	getTotalPrepareTime()
boolean	loadExisting()
PrepareLandmarks	setLandmarkSuggestions(List<LandmarkSuggestion> landmarkSuggestions)
void	setLMSelectionWeighting(Weighting w)
PrepareLandmarks	setLogDetails(boolean logDetails)
PrepareLandmarks	setMaximumWeight(double maximumWeight)
void	setMinimumNodes(int nodes)
PrepareLandmarks	setSpatialRuleLookup(SpatialRuleLookup ruleLookup)

Methods inherited from class com.graphhopper.routing.util.AbstractAlgoPreparation

doWork, isPrepared

Methods inherited from class java.lang.Object

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

Constructor Detail

PrepareLandmarks

public PrepareLandmarks(Directory dir,
                        GraphHopperStorage graph,
                        LMConfig lmConfig,
                        int landmarks)

Method Detail

setLandmarkSuggestions

public PrepareLandmarks setLandmarkSuggestions(List<LandmarkSuggestion> landmarkSuggestions)

See Also:

LandmarkStorage.setLandmarkSuggestions(List)

setSpatialRuleLookup

public PrepareLandmarks setSpatialRuleLookup(SpatialRuleLookup ruleLookup)

See Also:

LandmarkStorage.setSpatialRuleLookup(SpatialRuleLookup)

setMaximumWeight

public PrepareLandmarks setMaximumWeight(double maximumWeight)

See Also:

LandmarkStorage.setMaximumWeight(double)

setLMSelectionWeighting

public void setLMSelectionWeighting(Weighting w)

See Also:

LandmarkStorage.setLMSelectionWeighting(Weighting)

setMinimumNodes

public void setMinimumNodes(int nodes)

See Also:

LandmarkStorage.setMinimumNodes(int)

setLogDetails

public PrepareLandmarks setLogDetails(boolean logDetails)

getSubnetworksWithLandmarks

public int getSubnetworksWithLandmarks()

getLMConfig

public LMConfig getLMConfig()

loadExisting

public boolean loadExisting()

doSpecificWork

public void doSpecificWork()

Specified by:

doSpecificWork in class AbstractAlgoPreparation

getTotalPrepareTime

public long getTotalPrepareTime()

getRoutingAlgorithmFactory

public LMRoutingAlgorithmFactory getRoutingAlgorithmFactory()

Convenience method to obtain a routing algo factory from the preparation.