Package elki.visualization.visualizers.scatterplot.cluster

Class ClusterAlphaHullVisualization.Instance

java.lang.Object

elki.visualization.visualizers.AbstractVisualization

elki.visualization.visualizers.scatterplot.AbstractScatterplotVisualization

elki.visualization.visualizers.scatterplot.cluster.ClusterAlphaHullVisualization.Instance

All Implemented Interfaces:

DataStoreListener, ResultListener, VisualizationListener, Visualization, java.util.EventListener

Enclosing class:

ClusterAlphaHullVisualization

public class ClusterAlphaHullVisualization.Instance
extends AbstractScatterplotVisualization

Instance.

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	CLUSTERHULL	Prefix for IDs, CSS classes etc.

Fields inherited from class elki.visualization.visualizers.scatterplot.AbstractScatterplotVisualization

proj, rel, sample

Fields inherited from class elki.visualization.visualizers.AbstractVisualization

context, layer, svgp, task

Constructor Summary

Constructors

Constructor	Description
Instance(VisualizerContext context, VisualizationTask task, VisualizationPlot plot, double width, double height, Projection proj)	Constructor

Method Summary

Modifier and Type	Method	Description
private void	addCSSClasses(SVGPlot svgp, int clusterID, double opac)	Adds the required CSS-Classes
private double	addRecursively(java.util.ArrayList<double[]> hull, Hierarchy<Cluster<Model>> hier, Cluster<Model> clus)	Recursively add a cluster and its children for alpha shapes.
void	fullRedraw()	Request a full redrawing of the visualization.

Methods inherited from class elki.visualization.visualizers.scatterplot.AbstractScatterplotVisualization

setupCanvas, setupCanvas, visualizationChanged

Methods inherited from class elki.visualization.visualizers.AbstractVisualization

addListeners, contentChanged, destroy, getHeight, getLayer, getWidth, incrementalRedraw, resultChanged

Methods inherited from class java.lang.Object

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

Methods inherited from interface elki.result.ResultListener

resultAdded, resultRemoved

Field Detail

CLUSTERHULL

public static final java.lang.String CLUSTERHULL

Prefix for IDs, CSS classes etc.

See Also:

Constant Field Values

Constructor Detail

Instance

public Instance(VisualizerContext context,
                VisualizationTask task,
                VisualizationPlot plot,
                double width,
                double height,
                Projection proj)

Constructor

Parameters:

context - Visualizer context

task - Visualization task

plot - Plot to draw to

width - Embedding width

height - Embedding height

proj - Projection

Method Detail

fullRedraw

public void fullRedraw()

Description copied from interface: Visualization

Request a full redrawing of the visualization.

Specified by:

fullRedraw in interface Visualization

Specified by:

fullRedraw in class AbstractVisualization

addRecursively

private double addRecursively(java.util.ArrayList<double[]> hull,
                              Hierarchy<Cluster<Model>> hier,
                              Cluster<Model> clus)

Recursively add a cluster and its children for alpha shapes.

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