Package elki.visualization.visualizers.scatterplot.density

Class DensityEstimationOverlay.Instance

java.lang.Object

elki.visualization.visualizers.AbstractVisualization

elki.visualization.visualizers.scatterplot.AbstractScatterplotVisualization

elki.visualization.visualizers.scatterplot.density.DensityEstimationOverlay.Instance

All Implemented Interfaces:

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

Enclosing class:

DensityEstimationOverlay

public static class DensityEstimationOverlay.Instance
extends AbstractScatterplotVisualization

Instance for a particular data set.

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field	Description
private java.awt.image.BufferedImage	img	The actual image
private int	resolution	Density map resolution

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	fullRedraw()	Request a full redrawing of the visualization.
private double[]	initializeBandwidth(double[][] data)
private void	renderImage()
private int	unflip(int binarySearch)

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

setupCanvas, setupCanvas, visualizationChanged

Methods inherited from class elki.visualization.visualizers.AbstractVisualization

addListeners, contentChanged, destroy, 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.result.ResultListener

resultAdded, resultRemoved

Field Detail

resolution

private int resolution

Density map resolution

img

private java.awt.image.BufferedImage img

The actual image

Constructor Detail

Instance

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

Constructor.

Parameters:

context - Visualizer context

task - 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

initializeBandwidth

@Reference(authors="D. W. Scott",
           title="Multivariate density estimation: Theory, Practice, and Visualization",
           booktitle="Multivariate Density Estimation: Theory, Practice, and Visualization",
           url="https://doi.org/10.1002/9780470316849",
           bibkey="doi:10.1002/9780470316849")
private double[] initializeBandwidth(double[][] data)

renderImage

private void renderImage()

unflip

private int unflip(int binarySearch)