de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d
Class TreeSphereVisualization<NV extends NumberVector<NV,?>,D extends NumberDistance<D,?>,N extends AbstractMTreeNode<NV,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.vis2d.P2DVisualization<NV>
          de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d.TreeSphereVisualization<NV,D,N,E>

Type Parameters:

NV - Type of the DatabaseObject being visualized.

N - Tree node type

E - Tree entry type

All Implemented Interfaces:

DataStoreListener, ResultListener, ContextChangeListener, Visualization, EventListener

public class TreeSphereVisualization<NV extends NumberVector<NV,?>,D extends NumberDistance<D,?>,N extends AbstractMTreeNode<NV,D,N,E>,E extends MTreeEntry<D>>
extends P2DVisualization<NV>
implements DataStoreListener

Visualize the bounding sphere of a metric index.

Nested Class Summary

static class	TreeSphereVisualization.Factory<NV extends NumberVector<NV,?>> Factory
private static class	TreeSphereVisualization.Modus Drawing modes.

Field Summary

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<NV,D,N,E>	tree The tree we visualize

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

TreeSphereVisualization(VisualizationTask task, boolean fill)
Constructor

Method Summary

static boolean	canVisualize(AbstractMTree<?,?,?,?> tree) Test for a visualizable index in the context's database.
void	contentChanged(DataStoreEvent e) Invoked after objects of the datastore have been updated, inserted or removed in some way.
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<NV,D,N,E> mtree, E entry, int depth) Recursively draw the MBR rectangles.

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, 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

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<NV extends NumberVector<NV,?>,D extends NumberDistance<D,?>,N extends AbstractMTreeNode<NV,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<NV,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

contentChanged

public void contentChanged(DataStoreEvent e)

Description copied from interface: DataStoreListener

Invoked after objects of the datastore have been updated, inserted or removed in some way.

Specified by:

contentChanged in interface DataStoreListener

Parameters:

e - the update event