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

Class RTreeParallelVisualization<N extends AbstractRStarTreeNode<N,E>,E extends SpatialEntry>

java.lang.Object

de.lmu.ifi.dbs.elki.visualization.visualizers.AbstractVisualization

de.lmu.ifi.dbs.elki.visualization.visualizers.parallel.AbstractParallelVisualization<NumberVector<?,?>>

de.lmu.ifi.dbs.elki.visualization.visualizers.parallel.index.RTreeParallelVisualization<N,E>

Type Parameters:

N - Tree node type

E - Tree entry type

All Implemented Interfaces:

DataStoreListener, ResultListener, Visualization, EventListener

public class RTreeParallelVisualization<N extends AbstractRStarTreeNode<N,E>,E extends SpatialEntry>
extends AbstractParallelVisualization<NumberVector<?,?>>
implements DataStoreListener

Visualize the of an R-Tree based index.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	RTreeParallelVisualization.Factory Factory

Field Summary

Fields

Modifier and Type	Field and Description
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 AbstractRStarTree<N,E>	tree The tree we visualize

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

axsep, proj, relation

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

context, layer, pendingRedraw, svgp, task

Constructor Summary

Constructors

Constructor and Description
RTreeParallelVisualization(VisualizationTask task, boolean fill) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
private void	addCSSClasses(SVGPlot svgp) Adds the required CSS-Classes
void	destroy() Destroy the visualization.
protected void	redraw() Perform a full redraw.
private void	visualizeRTreeEntry(SVGPlot svgp, Element layer, ProjectionParallel proj, AbstractRStarTree<? extends N,E> rtree, E entry, int depth, int step) Recursively draw the MBR rectangles.

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

getAxisSep, getMarginLeft, getMarginTop, getSizeX, getSizeY, getVisibleAxisX, 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

fill

protected boolean fill

Fill parameter.

tree

protected AbstractRStarTree<N extends AbstractRStarTreeNode<N,E>,E extends SpatialEntry> tree

The tree we visualize

Constructor Detail

RTreeParallelVisualization

public RTreeParallelVisualization(VisualizationTask task,
                          boolean fill)

Constructor.

Parameters:

task - Visualization task

fill - Fill flag

Method Detail

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

redraw

protected void redraw()

Description copied from class: AbstractVisualization

Perform a full redraw.

Specified by:

redraw in class AbstractVisualization

addCSSClasses

private void addCSSClasses(SVGPlot svgp)

Adds the required CSS-Classes

Parameters:

svgp - SVG-Plot

visualizeRTreeEntry

private void visualizeRTreeEntry(SVGPlot svgp,
                       Element layer,
                       ProjectionParallel proj,
                       AbstractRStarTree<? extends N,E> rtree,
                       E entry,
                       int depth,
                       int step)

Recursively draw the MBR rectangles.

Parameters:

svgp - SVG Plot

layer - Layer

proj - Projection

rtree - Rtree to visualize

entry - Current entry

depth - Current depth