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

Class AbstractScatterplotVisualization

java.lang.Object

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

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

All Implemented Interfaces:

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

Direct Known Subclasses:

AbstractTooltipVisualization, AxisVisualization.Instance, BubbleVisualization.Instance, ClusterHullVisualization.Instance, ClusterMeanVisualization.Instance, ClusterOrderVisualization.Instance, ClusterStarVisualization.Instance, COPVectorVisualization.Instance, DensityEstimationOverlay.Instance, DistanceFunctionVisualization.Instance, EMClusterVisualization.Instance, MarkerVisualization.Instance, MoveObjectsToolVisualization.Instance, PolygonVisualization.Instance, ReferencePointsVisualization.Instance, SelectionConvexHullVisualization.Instance, SelectionCubeVisualization.Instance, SelectionDotVisualization.Instance, SelectionToolCubeVisualization.Instance, SelectionToolDotVisualization.Instance, TreeMBRVisualization.Instance, TreeSphereVisualization.Instance, UncertainBoundingBoxVisualization.Instance, UncertainInstancesVisualization.Instance, UncertainSamplesVisualization.Instance, VoronoiVisualization.Instance

public abstract class AbstractScatterplotVisualization
extends AbstractVisualization

Default class to handle 2D projected visualizations.

Since:

0.3

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
protected Projection2D	proj The current projection
protected Relation<? extends NumberVector>	rel The representation we visualize
protected SamplingResult	sample The DBID sample

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

context, layer, svgp, task

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
protected org.w3c.dom.Element	setupCanvas() Setup our canvas.
static org.w3c.dom.Element	setupCanvas(SVGPlot svgp, Projection2D proj, double margin, double width, double height) Utility function to setup a canvas element for the visualization.
void	visualizationChanged(VisualizationItem item) Visualization has changed.

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

addListeners, contentChanged, destroy, fullRedraw, getHeight, getLayer, getWidth, incrementalRedraw, resultAdded, resultChanged, resultRemoved

Methods inherited from class java.lang.Object

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

Field Detail

proj

protected final Projection2D proj

The current projection

rel

protected final Relation<? extends NumberVector> rel

The representation we visualize

sample

protected final SamplingResult sample

The DBID sample

Constructor Detail

AbstractScatterplotVisualization

public AbstractScatterplotVisualization(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

setupCanvas

protected org.w3c.dom.Element setupCanvas()

Setup our canvas.

Returns:

Canvas

setupCanvas

public static org.w3c.dom.Element setupCanvas(SVGPlot svgp,
                                              Projection2D proj,
                                              double margin,
                                              double width,
                                              double height)

Utility function to setup a canvas element for the visualization.

Parameters:

svgp - Plot element

proj - Projection to use

margin - Margin to use

width - Width

height - Height

Returns:

wrapper element with appropriate view box.

visualizationChanged

public void visualizationChanged(VisualizationItem item)

Description copied from interface: VisualizationListener

Visualization has changed.

Specified by:

visualizationChanged in interface VisualizationListener

Overrides:

visualizationChanged in class AbstractVisualization

Parameters:

item - Changed visualization