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

Class TreeSphereVisualization<D extends NumberDistance<D,?>,N extends AbstractMTreeNode<?,D,N,E>,E extends MTreeEntry<D>>

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.index.TreeSphereVisualization<D,N,E>

Type Parameters:

N - Tree node type

E - Tree entry type

All Implemented Interfaces:

DataStoreListener, ResultListener, Visualization, EventListener

public class TreeSphereVisualization<D extends NumberDistance<D,?>,N extends AbstractMTreeNode<?,D,N,E>,E extends MTreeEntry<D>>
extends AbstractScatterplotVisualization
implements DataStoreListener

Visualize the bounding sphere of a metric index.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TreeSphereVisualization.Factory Factory
private static class	TreeSphereVisualization.Modus Drawing modes.

Field Summary

Fields

Modifier and Type	Field and Description
protected TreeSphereVisualization.Modus	dist Drawing mode (distance) to use
protected boolean	fill Fill parameter.
static String	INDEX Generic tag to indicate the type of element.
static String	NAME A short name characterizing this Visualizer.
protected double	p
protected AbstractMTree<?,D,N,E>	tree The tree 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
TreeSphereVisualization(VisualizationTask task, boolean fill) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	canVisualize(AbstractMTree<?,?,?,?> tree) Test for a visualizable index in the context's database.
void	destroy() Destroy the visualization.
static Double	getLPNormP(AbstractMTree<?,?,?,?> tree) Get the "p" value of an Lp norm.
protected void	redraw() Perform a full redraw.
private void	visualizeMTreeEntry(SVGPlot svgp, Element layer, Projection2D proj, AbstractMTree<?,D,N,E> mtree, E entry, int depth) Recursively draw the MBR rectangles.

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, 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

Methods inherited from interface de.lmu.ifi.dbs.elki.database.datastore.DataStoreListener

contentChanged

Field Detail

INDEX

public static final String INDEX

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

See Also:

Constant Field Values

NAME

public static final String NAME

A short name characterizing this Visualizer.

See Also:

Constant Field Values

p

protected double p

dist

protected TreeSphereVisualization.Modus dist

Drawing mode (distance) to use

tree

protected AbstractMTree<?,D extends NumberDistance<D,?>,N extends AbstractMTreeNode<?,D,N,E>,E extends MTreeEntry<D>> tree

The tree we visualize

fill

protected boolean fill

Fill parameter.

Constructor Detail

TreeSphereVisualization

public TreeSphereVisualization(VisualizationTask task,
                       boolean fill)

Constructor

Parameters:

task - Task

fill - fill flag

Method Detail

getLPNormP

public static Double getLPNormP(AbstractMTree<?,?,?,?> tree)

Get the "p" value of an Lp norm.

Parameters:

tree - Tree to visualize

Returns:

p value

canVisualize

public static boolean canVisualize(AbstractMTree<?,?,?,?> tree)

Test for a visualizable index in the context's database.

Parameters:

tree - Tree to visualize

Returns:

whether the tree is visualizable

redraw

protected void redraw()

Description copied from class: AbstractVisualization

Perform a full redraw.

Specified by:

redraw in class AbstractVisualization

visualizeMTreeEntry

private void visualizeMTreeEntry(SVGPlot svgp,
                       Element layer,
                       Projection2D proj,
                       AbstractMTree<?,D,N,E> mtree,
                       E entry,
                       int depth)

Recursively draw the MBR rectangles.

Parameters:

svgp - SVG Plot

layer - Layer

proj - Projection

mtree - Mtree to visualize

entry - Current entry

depth - Current depth

destroy

public void destroy()

Description copied from interface: Visualization

Destroy the visualization. Called after the elements have been removed from the document. Implementations should remove their listeners etc.

Specified by:

destroy in interface Visualization

Overrides:

destroy in class AbstractVisualization