de.lmu.ifi.dbs.elki.visualization.visualizers.visunproj
Class OPTICSPlotVisualizer<D extends Distance<?>>

java.lang.Object
  de.lmu.ifi.dbs.elki.logging.AbstractLoggable
      de.lmu.ifi.dbs.elki.visualization.visualizers.AbstractVisualizer
          de.lmu.ifi.dbs.elki.visualization.visualizers.visunproj.OPTICSPlotVisualizer<D>

Type Parameters:

D - Distance type

All Implemented Interfaces:

Parameterizable, UnprojectedVisualizer, Visualizer

public class OPTICSPlotVisualizer<D extends Distance<?>>
extends AbstractVisualizer
implements UnprojectedVisualizer

Visualize an OPTICS result by constructing an OPTICS plot for it.

Author:

Erich Schubert

Field Summary

(package private) ClusterOrderResult<D>	co Curve to visualize
private File	imgfile The image we generated.
private double	imgratio The height/width ratio of the image.
private LinearScale	linscale The scale
private static String	NAME Name for this visualizer.

Fields inherited from class de.lmu.ifi.dbs.elki.visualization.visualizers.AbstractVisualizer

context, metadata

Fields inherited from class de.lmu.ifi.dbs.elki.logging.AbstractLoggable

debug, logger

Fields inherited from interface de.lmu.ifi.dbs.elki.visualization.visualizers.Visualizer

LEVEL_BACKGROUND, LEVEL_FOREGROUND, LEVEL_INTERACTIVE, LEVEL_STATIC, META_LEVEL, META_NAME, META_NOTHUMB, META_VISIBLE, META_VISIBLE_DEFAULT

Constructor Summary

OPTICSPlotVisualizer()

Method Summary

static <D extends Distance<?>> boolean	canPlot(ClusterOrderResult<D> co) Test whether we have an adapter for this cluster orders distance.
private static <D extends Distance<?>> OPTICSDistanceAdapter<D>	getAdapterForDistance(ClusterOrderResult<D> co) Try to find a distance adapter.
void	init(VisualizerContext context, ClusterOrderResult<D> co) Initialization.
protected void	makePlot() Make the optics plot
Element	visualize(SVGPlot svgp, double width, double height) Returns an Element representing a visualization.

Methods inherited from class de.lmu.ifi.dbs.elki.visualization.visualizers.AbstractVisualizer

addRedrawListener, fireRedrawEvent, getMetadata, init, removeRedrawListener, requestRedraw, setLevel

Methods inherited from class de.lmu.ifi.dbs.elki.logging.AbstractLoggable

debugFine, debugFiner, debugFinest, exception, progress, verbose, warning

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.lmu.ifi.dbs.elki.visualization.visualizers.Visualizer

addRedrawListener, getMetadata, removeRedrawListener

Field Detail

NAME

private static final String NAME

Name for this visualizer.

See Also:

Constant Field Values

co

ClusterOrderResult<D extends Distance<?>> co

Curve to visualize

imgfile

private File imgfile

The image we generated.

imgratio

private double imgratio

The height/width ratio of the image.

linscale

private LinearScale linscale

The scale

Constructor Detail

OPTICSPlotVisualizer

public OPTICSPlotVisualizer()

Method Detail

init

public void init(VisualizerContext context,
                 ClusterOrderResult<D> co)

Initialization.

Parameters:

context - context.

co - Cluster order to visualize

makePlot

protected void makePlot()
                 throws IOException

Make the optics plot

Throws:

IOException

getAdapterForDistance

private static <D extends Distance<?>> OPTICSDistanceAdapter<D> getAdapterForDistance(ClusterOrderResult<D> co)

Try to find a distance adapter.

Returns:

distance adapter

canPlot

public static <D extends Distance<?>> boolean canPlot(ClusterOrderResult<D> co)

Test whether we have an adapter for this cluster orders distance.

Type Parameters:

D - distance type

Parameters:

co - Cluster order

Returns:

true when we do find a matching adapter.

visualize

public Element visualize(SVGPlot svgp,
                         double width,
                         double height)

Description copied from interface: UnprojectedVisualizer

Returns an Element representing a visualization.

Specified by:

visualize in interface UnprojectedVisualizer

Parameters:

svgp - the SVGPlot which will act as owner for the returned Element.

width - Width of plot

height - Height of plot

Returns:

an Element representing a 2-dimensional visualization.