Package elki.visualization.visualizers.scatterplot.index

Class TreeMBRVisualization.Instance<N extends AbstractRStarTreeNode<N,E>,E extends SpatialEntry>

java.lang.Object

elki.visualization.visualizers.AbstractVisualization

elki.visualization.visualizers.scatterplot.AbstractScatterplotVisualization

elki.visualization.visualizers.scatterplot.index.TreeMBRVisualization.Instance<N,E>

Type Parameters:

N - Tree node type

E - Tree entry type

All Implemented Interfaces:

DataStoreListener, ResultListener, VisualizationListener, Visualization, java.util.EventListener

Enclosing class:

TreeMBRVisualization

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

Instance for a particular tree

Author:

Erich Schubert

Field Summary

Fields

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

Fields inherited from class elki.visualization.visualizers.scatterplot.AbstractScatterplotVisualization

proj, rel, sample

Fields inherited from class elki.visualization.visualizers.AbstractVisualization

context, layer, svgp, task

Constructor Summary

Constructors

Constructor	Description
Instance(VisualizerContext context, VisualizationTask task, VisualizationPlot plot, double width, double height, Projection proj)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	destroy()	Destroy the visualization.
void	fullRedraw()	Request a full redrawing of the visualization.
private void	visualizeRTreeEntry(SVGPlot svgp, org.w3c.dom.Element layer, Projection2D proj, AbstractRStarTree<? extends N,E,?> rtree, E entry, int depth)	Recursively draw the MBR rectangles.

Methods inherited from class elki.visualization.visualizers.scatterplot.AbstractScatterplotVisualization

setupCanvas, setupCanvas, visualizationChanged

Methods inherited from class elki.visualization.visualizers.AbstractVisualization

addListeners, contentChanged, getHeight, getLayer, getWidth, incrementalRedraw, resultChanged

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface elki.database.datastore.DataStoreListener

contentChanged

Methods inherited from interface elki.result.ResultListener

resultAdded, resultRemoved

Field Detail

tree

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

The tree we visualize

Constructor Detail

Instance

public Instance(VisualizerContext context,
                VisualizationTask task,
                VisualizationPlot plot,
                double width,
                double height,
                Projection proj)

Constructor.

Parameters:

context - Visualizer context

task - Visualization task

plot - Plot to draw to

width - Embedding width

height - Embedding height

proj - Projection

Method Detail

fullRedraw

public void fullRedraw()

Description copied from interface: Visualization

Request a full redrawing of the visualization.

Specified by:

fullRedraw in interface Visualization

Specified by:

fullRedraw in class AbstractVisualization

visualizeRTreeEntry

private void visualizeRTreeEntry(SVGPlot svgp,
                                 org.w3c.dom.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