de.lmu.ifi.dbs.elki.index.tree.spatial.rstarvariants.bulk
Class ZCurveBulkSplit

java.lang.Object
  de.lmu.ifi.dbs.elki.index.tree.spatial.rstarvariants.bulk.AbstractBulkSplit
      de.lmu.ifi.dbs.elki.index.tree.spatial.rstarvariants.bulk.ZCurveBulkSplit

All Implemented Interfaces:

BulkSplit, InspectionUtilFrequentlyScanned, Parameterizable

public class ZCurveBulkSplit
extends AbstractBulkSplit

Bulk split that orders object by their Z curve position, then splits them into pages accordingly.

Field Summary

private static Logging

logger Logger.

Constructor Summary

ZCurveBulkSplit()
Constructor

Method Summary

<N extends SpatialComparable> List<List<N>>

partition(List<N> spatialObjects, int minEntries, int maxEntries) Partitions the specified feature vectors

Methods inherited from class de.lmu.ifi.dbs.elki.index.tree.spatial.rstarvariants.bulk.AbstractBulkSplit

chooseBulkSplitPoint

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static final Logging logger

Logger.

Constructor Detail

ZCurveBulkSplit

public ZCurveBulkSplit()

Constructor

Method Detail

partition

public <N extends SpatialComparable> List<List<N>> partition(List<N> spatialObjects,
                                                             int minEntries,
                                                             int maxEntries)

Partitions the specified feature vectors

Type Parameters:

N - object type

Parameters:

spatialObjects - the spatial objects to be partitioned

minEntries - the minimum number of entries in a partition

maxEntries - the maximum number of entries in a partition

Returns:

the partition of the specified spatial objects