de.lmu.ifi.dbs.elki.visualization.visualizers.scatterplot.cluster

Class ClusterHullVisualization

java.lang.Object

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

de.lmu.ifi.dbs.elki.visualization.visualizers.scatterplot.AbstractScatterplotVisualization

de.lmu.ifi.dbs.elki.visualization.visualizers.scatterplot.cluster.ClusterHullVisualization

All Implemented Interfaces:

ResultListener, Visualization, EventListener

public class ClusterHullVisualization
extends AbstractScatterplotVisualization

Visualizer for generating an SVG-Element containing the convex hull / alpha shape of each cluster.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ClusterHullVisualization.Factory Factory for visualizers to generate an SVG-Element containing the convex hull or alpha shape of a cluster.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) double	alpha Alpha value
static String	CLUSTERHULL Generic tags to indicate the type of element.
(package private) Clustering<Model>	clustering The result we work on
private static String	NAME A short name characterizing this Visualizer.

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

proj, rel, sample

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

context, layer, pendingRedraw, svgp, task

Constructor Summary

Constructors

Constructor and Description
ClusterHullVisualization(VisualizationTask task, double alpha) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
private void	addCSSClasses(SVGPlot svgp, int clusterID, double opac) Adds the required CSS-Classes
protected void	redraw() Perform a full redraw.

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

resultChanged, setupCanvas

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

contentChanged, destroy, getHeight, getLayer, getWidth, incrementalRedraw, resultAdded, resultRemoved, synchronizedRedraw

Methods inherited from class java.lang.Object

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

Field Detail

NAME

private static final String NAME

A short name characterizing this Visualizer.

See Also:

Constant Field Values

CLUSTERHULL

public static final String CLUSTERHULL

Generic tags to indicate the type of element. Used in IDs, CSS-Classes etc.

See Also:

Constant Field Values

clustering

Clustering<Model> clustering

The result we work on

alpha

double alpha

Alpha value

Constructor Detail

ClusterHullVisualization

public ClusterHullVisualization(VisualizationTask task,
                        double alpha)

Constructor

Parameters:

task - VisualizationTask

alpha - Alpha value

Method Detail

redraw

protected void redraw()

Description copied from class: AbstractVisualization

Perform a full redraw.

Specified by:

redraw in class AbstractVisualization

addCSSClasses

private void addCSSClasses(SVGPlot svgp,
                 int clusterID,
                 double opac)

Adds the required CSS-Classes

Parameters:

svgp - SVG-Plot