de.lmu.ifi.dbs.elki.math.spacefillingcurves
Class ZCurve.Transformer

java.lang.Object
  de.lmu.ifi.dbs.elki.math.spacefillingcurves.ZCurve.Transformer

Enclosing class:

ZCurve

public static class ZCurve.Transformer
extends Object

Class to transform a relation to its Z coordinates.

Field Summary

private int	dimensionality Dimensionality
private double[]	maxValues Maximum values in each dimension
private double[]	minValues Minimum values in each dimension

Constructor Summary

ZCurve.Transformer(Relation<? extends NumberVector<?,?>> relation, DBIDs ids)
Constructor.

Method Summary

BigInteger	asBigInteger(NumberVector<?,?> vector) Transform a single vector.
byte[]	asByteArray(NumberVector<?,?> vector) Transform a single vector.

Methods inherited from class java.lang.Object

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

Field Detail

maxValues

private final double[] maxValues

Maximum values in each dimension

minValues

private final double[] minValues

Minimum values in each dimension

dimensionality

private final int dimensionality

Dimensionality

Constructor Detail

ZCurve.Transformer

public ZCurve.Transformer(Relation<? extends NumberVector<?,?>> relation,
                          DBIDs ids)

Constructor.

Parameters:

relation - Relation to transform

ids - IDs subset to process

Method Detail

asBigInteger

public BigInteger asBigInteger(NumberVector<?,?> vector)

Transform a single vector.

Parameters:

vector - Vector to transform

Returns:

Z curve value as bigint

asByteArray

public byte[] asByteArray(NumberVector<?,?> vector)

Transform a single vector.

Parameters:

vector - Vector to transform

Returns:

Z curve value as byte array