de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d
Class EMClusterVisualization<NV extends NumberVector<NV,?>>

java.lang.Object
  de.lmu.ifi.dbs.elki.visualization.visualizers.AbstractVisualization
      de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d.P2DVisualization<NV>
          de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d.EMClusterVisualization<NV>

Type Parameters:

NV - Type of the NumberVector being visualized.

All Implemented Interfaces:

ResultListener, ContextChangeListener, Visualization, EventListener

public class EMClusterVisualization<NV extends NumberVector<NV,?>>
extends P2DVisualization<NV>

Visualizer for generating SVG-Elements containing ellipses for first, second and third standard deviation

Nested Class Summary

static class

EMClusterVisualization.Factory<NV extends NumberVector<NV,?>> Visualizer for generating SVG-Elements containing ellipses for first, second and third standard deviation

Field Summary

(package private) Clustering<EMModel<NV>>	clustering The result we work on
private int	drawStyle
static String	EMBORDER Generic tags to indicate the type of element.
private static double	KAPPA
private static String	NAME A short name characterizing this Visualizer.
private int	opacStyle
(package private) static double[]	sigma
private int	softBorder
private int	times StyleParameter:

Fields inherited from class de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d.P2DVisualization

proj, rel

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

context, layer, pendingRedraw, svgp, task

Constructor Summary

EMClusterVisualization(VisualizationTask task)
Constructor

Method Summary

private void	addCSSClasses(SVGPlot svgp) Adds the required CSS-Classes
private void	drawArc(SVGPath path, Vector cent, Vector pre, Vector nex, Vector oPrev, Vector oNext, double scale) Draw an arc to simulate the hyper ellipse.
protected void	drawHullArc(int cnum, Vector cent, Polygon chres)
protected void	drawHullLines(int cnum, Vector cent, Polygon chres)
protected void	drawSphere2D(int cnum, Vector cent, Vector[] pc)
protected Polygon	makeHull(Vector[] pc)
protected Polygon	makeHullComplex(Vector[] pc)
protected void	redraw() Perform a full redraw.

Methods inherited from class de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d.P2DVisualization

setupCanvas

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

contextChanged, destroy, getHeight, getLayer, getWidth, incrementalRedraw, resultAdded, resultChanged, resultRemoved, synchronizedRedraw, testRedraw

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

EMBORDER

public static final String EMBORDER

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

See Also:

Constant Field Values

clustering

Clustering<EMModel<NV extends NumberVector<NV,?>>> clustering

The result we work on

KAPPA

private static final double KAPPA

See Also:

Constant Field Values

times

private int times

StyleParameter:

opacStyle

private int opacStyle

softBorder

private int softBorder

drawStyle

private int drawStyle

sigma

static final double[] sigma

Constructor Detail

EMClusterVisualization

public EMClusterVisualization(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

drawSphere2D

protected void drawSphere2D(int cnum,
                            Vector cent,
                            Vector[] pc)

drawHullLines

protected void drawHullLines(int cnum,
                             Vector cent,
                             Polygon chres)

makeHull

protected Polygon makeHull(Vector[] pc)

makeHullComplex

protected Polygon makeHullComplex(Vector[] pc)

drawHullArc

protected void drawHullArc(int cnum,
                           Vector cent,
                           Polygon chres)

drawArc

private void drawArc(SVGPath path,
                     Vector cent,
                     Vector pre,
                     Vector nex,
                     Vector oPrev,
                     Vector oNext,
                     double scale)

Draw an arc to simulate the hyper ellipse.

Parameters:

path - Path to draw to

cent - Center

pre - Previous point

nex - Next point

scale - Scaling factor

addCSSClasses

private void addCSSClasses(SVGPlot svgp)

Adds the required CSS-Classes

Parameters:

svgp - SVG-Plot