de.lmu.ifi.dbs.elki.visualization.opticsplot
Class OPTICSPlot<D extends Distance<?>>

java.lang.Object
  de.lmu.ifi.dbs.elki.visualization.opticsplot.OPTICSPlot<D>

Type Parameters:

D - Distance type

public class OPTICSPlot<D extends Distance<?>>
extends Object

Class to produce an OPTICS plot image.

Author:

Erich Schubert

Field Summary

(package private) ClusterOrderResult<D>	co The result to plot
(package private) OPTICSColorAdapter	colors Color adapter to use
(package private) OPTICSDistanceAdapter<D>	distanceAdapter The mapping from cluster order entry to value
(package private) int	height Height of plot
protected Logging	logger Logger
protected RenderedImage	plot The Optics plot.
(package private) LinearScale	scale Scale to use
(package private) int	width Width of plot

Constructor Summary

OPTICSPlot(ClusterOrderResult<D> co, OPTICSColorAdapter colors, OPTICSDistanceAdapter<D> distanceAdapter)
Constructor.

Method Summary

protected LinearScale	computeScale(List<ClusterOrderEntry<D>> order) Compute the scale (value range)
int	getHeight()
RenderedImage	getPlot() Get the OPTICS plot.
double	getRatio() Get width-to-height ratio of image.
LinearScale	getScale()
int	getWidth()
void	replot() Trigger a redraw of the OPTICS plot

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected Logging logger

Logger

scale

LinearScale scale

Scale to use

width

int width

Width of plot

height

int height

Height of plot

co

final ClusterOrderResult<D extends Distance<?>> co

The result to plot

colors

final OPTICSColorAdapter colors

Color adapter to use

distanceAdapter

final OPTICSDistanceAdapter<D extends Distance<?>> distanceAdapter

The mapping from cluster order entry to value

plot

protected RenderedImage plot

The Optics plot.

Constructor Detail

OPTICSPlot

public OPTICSPlot(ClusterOrderResult<D> co,
                  OPTICSColorAdapter colors,
                  OPTICSDistanceAdapter<D> distanceAdapter)

Constructor.

Parameters:

co - Cluster order to plot.

colors - Colorization strategy

distanceAdapter - Distance adapter

Method Detail

replot

public void replot()

Trigger a redraw of the OPTICS plot

computeScale

protected LinearScale computeScale(List<ClusterOrderEntry<D>> order)

Compute the scale (value range)

Parameters:

order - Cluster order to process

Returns:

Scale for value range of cluster order

getScale

public LinearScale getScale()

Returns:

the scale

getWidth

public int getWidth()

Returns:

the width

getHeight

public int getHeight()

Returns:

the height

getRatio

public double getRatio()

Get width-to-height ratio of image.

Returns:

width / height

getPlot

public RenderedImage getPlot()

Get the OPTICS plot.

Returns:

plot image