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

Class TreeMBRVisualization<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.scatterplot.AbstractScatterplotVisualization

de.lmu.ifi.dbs.elki.visualization.visualizers.scatterplot.index.TreeMBRVisualization<N,E>

Type Parameters:

N - Tree node type

E - Tree entry type

All Implemented Interfaces:

DataStoreListener, ResultListener, Visualization, EventListener

public class TreeMBRVisualization<N extends AbstractRStarTreeNode<N,E>,E extends SpatialEntry>
extends AbstractScatterplotVisualization
implements DataStoreListener

Visualize the bounding rectangles of an R-Tree based index.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TreeMBRVisualization.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.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
TreeMBRVisualization(VisualizationTask task, boolean fill) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	destroy() Destroy the visualization.
protected void	redraw() Perform a full redraw.
private void	visualizeRTreeEntry(SVGPlot svgp, Element layer, Projection2D proj, AbstractRStarTree<? extends N,E> rtree, 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

fill

protected boolean fill

Fill parameter.

tree

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

The tree we visualize

Constructor Detail

TreeMBRVisualization

public TreeMBRVisualization(VisualizationTask task,
                    boolean fill)

Constructor.

Parameters:

task - Visualization task

fill - Fill flag

Method Detail

redraw

protected void redraw()

Description copied from class: AbstractVisualization

Perform a full redraw.

Specified by:

redraw in class AbstractVisualization

visualizeRTreeEntry

private void visualizeRTreeEntry(SVGPlot svgp,
                       Element layer,
                       Projection2D proj,
                       AbstractRStarTree<? extends N,E> rtree,
                       E entry,
                       int depth)

Recursively draw the MBR rectangles.

Parameters:

svgp - SVG Plot

layer - Layer

proj - Projection

rtree - Rtree 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