Package com.graphhopper.routing.lm

Class PrepareLandmarks

java.lang.Object

com.graphhopper.routing.lm.PrepareLandmarks

public class PrepareLandmarks
extends Object

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	Description
PrepareLandmarks(Directory dir, BaseGraph graph, EncodedValueLookup encodedValueLookup, LMConfig lmConfig, int landmarks)

Method Summary

Modifier and Type	Method	Description
void	doWork()
LandmarkStorage	getLandmarkStorage()
LMConfig	getLMConfig()
long	getTotalPrepareTime()
boolean	isPrepared()
boolean	loadExisting()
PrepareLandmarks	setAreaIndex(AreaIndex<SplitArea> areaIndex)
PrepareLandmarks	setLandmarkSuggestions(List<LandmarkSuggestion> landmarkSuggestions)
void	setLMSelectionWeighting(Weighting w)
PrepareLandmarks	setLogDetails(boolean logDetails)
PrepareLandmarks	setMaximumWeight(double maximumWeight)
void	setMinimumNodes(int nodes)

Methods inherited from class java.lang.Object

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

Constructor Details

PrepareLandmarks

public PrepareLandmarks(Directory dir,
 BaseGraph graph,
 EncodedValueLookup encodedValueLookup,
 LMConfig lmConfig,
 int landmarks)

Method Details

setLandmarkSuggestions

public PrepareLandmarks setLandmarkSuggestions(List<LandmarkSuggestion> landmarkSuggestions)

See Also:

• LandmarkStorage.setLandmarkSuggestions(List)

setAreaIndex

public PrepareLandmarks setAreaIndex(AreaIndex<SplitArea> areaIndex)

See Also:

• LandmarkStorage.setAreaIndex(AreaIndex)

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)

getLandmarkStorage

public LandmarkStorage getLandmarkStorage()

getLMConfig

public LMConfig getLMConfig()

loadExisting

public boolean loadExisting()

doWork

public void doWork()

isPrepared

public boolean isPrepared()

getTotalPrepareTime

public long getTotalPrepareTime()