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

Class CircleSegmentsVisualizer.Instance

java.lang.Object

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

de.lmu.ifi.dbs.elki.visualization.visualizers.pairsegments.CircleSegmentsVisualizer.Instance

All Implemented Interfaces:

DataStoreListener, ResultListener, VisualizationListener, Visualization, EventListener

Enclosing class:

CircleSegmentsVisualizer

public class CircleSegmentsVisualizer.Instance
extends AbstractVisualization
implements ResultListener

Instance

Author:

Sascha Goldhofer, Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private class	CircleSegmentsVisualizer.Instance.SegmentListenerProxy Proxy element to connect signals.

Field Summary

Fields

Modifier and Type	Field and Description
static String	CLR_BORDER_CLASS CSS border class of a cluster
private static String	CLR_CLUSTER_CLASS_PREFIX CSS class name for the clusterings.
static String	CLR_HOVER_CLASS CSS hover class of a segment cluster
static String	CLR_UNPAIRED_CLASS CSS hover class for clusters of hovered segment
private Element	ctrlLayer The two main layers
private boolean	noIncrementalRedraw Flag to disallow an incremental redraw
protected SegmentsStylingPolicy	policy Styling policy
private static double	RADIUS_DISTANCE Margin between two rings
private static double	RADIUS_INNER Offset from center to first ring
private static double	RADIUS_OUTER Radius of whole CircleSegments except selection border
private static double	RADIUS_SELECTION Radius of highlight selection (outer ring)
static String	SEG_UNPAIRED_SELECTED_CLASS CSS class of selected Segment
private static double	SEGMENT_MIN_ANGLE Minimum width (radian) of Segment
private static double	SEGMENT_MIN_SEP_ANGLE Gap (radian) between segments
protected Segments	segments Segmentation of Clusterings
Map<Segment,List<Element>>	segmentToElements Map to connect segments to their visual elements
(package private) boolean	showUnclusteredPairs Show unclustered Pairs in CircleSegments
static String	STYLE Style prefix
static String	STYLE_BORDER Style for border lines
static String	STYLE_GRADIENT_FIRST First color for producing segment-cluster colors
static String	STYLE_GRADIENT_SECOND Second color for producing segment-cluster colors
static String	STYLE_HOVER Style for hover effect
private Element	visLayer The two main layers

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

context, layer, svgp, task

Constructor Summary

Constructors

Constructor and Description
Instance(VisualizationTask task, VisualizationPlot plot, double width, double height, Projection proj) Constructor

Method Summary

Modifier and Type	Method and Description
protected void	addCSSClasses(int maxClusterSize) Define and add required CSS classes
protected Element	drawClusteringInfo()
private void	drawSegments() Create the segments
void	fullRedraw() Request a full redrawing of the visualization.
void	incrementalRedraw() Redraw the visualization (maybe incremental).
protected String[]	makeGradient(int shades, String[] colors) Creates a gradient over a set of colors
private void	redrawSelection()
void	resultChanged(Result current) Notify that the current result has changed substantially.
protected void	segmentClick(Segment segment, Event evt, boolean dblClick)
protected void	segmentHover(Segment segment, int ringid, boolean active)
void	toggleUnclusteredPairs(boolean show)

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

addListeners, contentChanged, destroy, getHeight, getLayer, getWidth, resultAdded, resultRemoved, visualizationChanged

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.result.ResultListener

resultAdded, resultRemoved

Field Detail

SEGMENT_MIN_ANGLE

private static final double SEGMENT_MIN_ANGLE

Minimum width (radian) of Segment

See Also:

Constant Field Values

SEGMENT_MIN_SEP_ANGLE

private static final double SEGMENT_MIN_SEP_ANGLE

Gap (radian) between segments

See Also:

Constant Field Values

RADIUS_INNER

private static final double RADIUS_INNER

Offset from center to first ring

See Also:

Constant Field Values

RADIUS_DISTANCE

private static final double RADIUS_DISTANCE

Margin between two rings

See Also:

Constant Field Values

RADIUS_OUTER

private static final double RADIUS_OUTER

Radius of whole CircleSegments except selection border

See Also:

Constant Field Values

RADIUS_SELECTION

private static final double RADIUS_SELECTION

Radius of highlight selection (outer ring)

See Also:

Constant Field Values

CLR_CLUSTER_CLASS_PREFIX

private static final String CLR_CLUSTER_CLASS_PREFIX

CSS class name for the clusterings.

See Also:

Constant Field Values

CLR_BORDER_CLASS

public static final String CLR_BORDER_CLASS

CSS border class of a cluster

See Also:

Constant Field Values

CLR_UNPAIRED_CLASS

public static final String CLR_UNPAIRED_CLASS

CSS hover class for clusters of hovered segment

See Also:

Constant Field Values

CLR_HOVER_CLASS

public static final String CLR_HOVER_CLASS

CSS hover class of a segment cluster

See Also:

Constant Field Values

SEG_UNPAIRED_SELECTED_CLASS

public static final String SEG_UNPAIRED_SELECTED_CLASS

CSS class of selected Segment

See Also:

Constant Field Values

STYLE

public static final String STYLE

Style prefix

See Also:

Constant Field Values

STYLE_BORDER

public static final String STYLE_BORDER

Style for border lines

See Also:

Constant Field Values

STYLE_HOVER

public static final String STYLE_HOVER

Style for hover effect

See Also:

Constant Field Values

STYLE_GRADIENT_FIRST

public static final String STYLE_GRADIENT_FIRST

First color for producing segment-cluster colors

See Also:

Constant Field Values

STYLE_GRADIENT_SECOND

public static final String STYLE_GRADIENT_SECOND

Second color for producing segment-cluster colors

See Also:

Constant Field Values

segments

protected final Segments segments

Segmentation of Clusterings

visLayer

private Element visLayer

The two main layers

ctrlLayer

private Element ctrlLayer

The two main layers

segmentToElements

public Map<Segment,List<Element>> segmentToElements

Map to connect segments to their visual elements

showUnclusteredPairs

boolean showUnclusteredPairs

Show unclustered Pairs in CircleSegments

policy

protected final SegmentsStylingPolicy policy

Styling policy

noIncrementalRedraw

private boolean noIncrementalRedraw

Flag to disallow an incremental redraw

Constructor Detail

Instance

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

Constructor

Parameters:

task - Task

plot - Plot to draw to

width - Embedding width

height - Embedding height

proj - Projection

Method Detail

toggleUnclusteredPairs

public void toggleUnclusteredPairs(boolean show)

resultChanged

public void resultChanged(Result current)

Description copied from interface: ResultListener

Notify that the current result has changed substantially.

Specified by:

resultChanged in interface ResultListener

Overrides:

resultChanged in class AbstractVisualization

Parameters:

current - Result that has changed.

incrementalRedraw

public void incrementalRedraw()

Description copied from class: AbstractVisualization

Redraw the visualization (maybe incremental). Optional - by default, it will do a full redraw, which often is faster!

Specified by:

incrementalRedraw in interface Visualization

Overrides:

incrementalRedraw in class AbstractVisualization

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

addCSSClasses

protected void addCSSClasses(int maxClusterSize)

Define and add required CSS classes

drawSegments

private void drawSegments()

Create the segments

redrawSelection

private void redrawSelection()

makeGradient

protected String[] makeGradient(int shades,
                                String[] colors)

Creates a gradient over a set of colors

Parameters:

shades - number of colors in the gradient

colors - colors for the gradient

Returns:

array of colors for CSS

drawClusteringInfo

protected Element drawClusteringInfo()

segmentHover

protected void segmentHover(Segment segment,
                            int ringid,
                            boolean active)

segmentClick

protected void segmentClick(Segment segment,
                            Event evt,
                            boolean dblClick)