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

Class ClusterHullVisualization.Instance

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.Instance

All Implemented Interfaces:

ResultListener, Visualization, EventListener

Enclosing class:

ClusterHullVisualization

public class ClusterHullVisualization.Instance
extends AbstractScatterplotVisualization

Instance.

Field Summary

Fields

Modifier and Type	Field and Description
static String	CLUSTERHULL Generic tags to indicate the type of element.
private StyleResult	style The result we visualize

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.Instance(VisualizationTask task) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
private void	addCSSClasses(SVGPlot svgp, int clusterID, double opac) Adds the required CSS-Classes
private double	addRecursively(ArrayList<Vector> hull, Hierarchy<Cluster<Model>> hier, Cluster<Model> clus) Recursively add a cluster and its children.
private DoubleObjPair<Polygon>	buildHullsRecursively(Cluster<Model> clu, Hierarchy<Cluster<Model>> hier, Map<Object,DoubleObjPair<Polygon>> hulls) Recursively step through the clusters to build the hulls.
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

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

style

private StyleResult style

The result we visualize

Constructor Detail

ClusterHullVisualization.Instance

public ClusterHullVisualization.Instance(VisualizationTask task)

Constructor

Parameters:

task - VisualizationTask

Method Detail

redraw

protected void redraw()

Description copied from class: AbstractVisualization

Perform a full redraw.

Specified by:

redraw in class AbstractVisualization

buildHullsRecursively

private DoubleObjPair<Polygon> buildHullsRecursively(Cluster<Model> clu,
                                           Hierarchy<Cluster<Model>> hier,
                                           Map<Object,DoubleObjPair<Polygon>> hulls)

Recursively step through the clusters to build the hulls.

Parameters:

clu - Current cluster

hier - Clustering hierarchy

hulls - Hull map

addRecursively

private double addRecursively(ArrayList<Vector> hull,
                    Hierarchy<Cluster<Model>> hier,
                    Cluster<Model> clus)

Recursively add a cluster and its children.

Parameters:

hull - Hull to add to

hier - Cluster hierarchy

clus - Current cluster

Returns:

Weight for visualization

addCSSClasses

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

Adds the required CSS-Classes

Parameters:

svgp - SVG-Plot