org.gcube.indexmanagement.featureindexlibrary.vafile.algo
Class ComputeBoundsL

java.lang.Object
  org.gcube.indexmanagement.featureindexlibrary.vafile.algo.ComputeBoundsL

public class ComputeBoundsL
extends Object

Computes the Lower bounds of the query point to all grid cells

Author:

UoA

Constructor Summary

ComputeBoundsL(float[][] partitionPoints, int buckets)
Creates a new instance

Method Summary

float	getLowerBound(byte[] bitString) Retrieves the lower bound of the given bitstring
void	preCompute(float[] vector) precmputes the dinstance differences

Methods inherited from class java.lang.Object

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

Constructor Detail

ComputeBoundsL

public ComputeBoundsL(float[][] partitionPoints,
                      int buckets)

Creates a new instance

Parameters:

partitionPoints - The partition points

buckets - The buckets in the dimention

Method Detail

getLowerBound

public float getLowerBound(byte[] bitString)

Retrieves the lower bound of the given bitstring

Parameters:

bitString - The bit string

Returns:

the lower bound

preCompute

public void preCompute(float[] vector)
                throws Exception

precmputes the dinstance differences

Parameters:

vector - The query vector

Throws:

Exception - An error