de.lmu.ifi.dbs.elki.visualization.visualizers.visunproj

Class DendrogramVisualization.HalfWidthPositions

java.lang.Object

de.lmu.ifi.dbs.elki.visualization.visualizers.visunproj.DendrogramVisualization.HalfWidthPositions

All Implemented Interfaces:

DendrogramVisualization.Positions

Enclosing class:

DendrogramVisualization

private static class DendrogramVisualization.HalfWidthPositions
extends java.lang.Object
implements DendrogramVisualization.Positions

Compact position storage.

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
(package private) int	l Size
(package private) int	l2 Size
(package private) double[]	xxy Compact storage of positions.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	HalfWidthPositions(int size) Constructor.

Method Summary

Modifier and Type	Method and Description
double	combine(int o1, int o2, double y3) Combine two objects, and return the new X coordinate.
double	getX(int o) Get the X coordinate of an object.
double	getY(int o) Get the Y coordinate of an object.
void	set(int off, double d, double height) Set the initial position

Methods inherited from class java.lang.Object

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

Field Detail

xxy

final double[] xxy

Compact storage of positions.

l

final int l

Size

l2

final int l2

Size

Constructor Detail

HalfWidthPositions

private HalfWidthPositions(int size)

Constructor.

Parameters:

size - Size

Method Detail

set

public void set(int off,
                double d,
                double height)

Description copied from interface: DendrogramVisualization.Positions

Set the initial position

Specified by:

set in interface DendrogramVisualization.Positions

Parameters:

off - Object offset

d - X coordinate

height - Y coordinate

getX

public double getX(int o)

Description copied from interface: DendrogramVisualization.Positions

Get the X coordinate of an object.

Specified by:

getX in interface DendrogramVisualization.Positions

Parameters:

o - Object

Returns:

X coordinate

getY

public double getY(int o)

Description copied from interface: DendrogramVisualization.Positions

Get the Y coordinate of an object.

Specified by:

getY in interface DendrogramVisualization.Positions

Parameters:

o - Object

Returns:

Y coordinate

combine

public double combine(int o1,
                      int o2,
                      double y3)

Description copied from interface: DendrogramVisualization.Positions

Combine two objects, and return the new X coordinate.

Specified by:

combine in interface DendrogramVisualization.Positions

Parameters:

o1 - First object

o2 - Second object

y3 - Merge Y coordinate

Returns:

New X coordinate