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

Class OPTICSPlotSelectionVisualization<D extends Distance<D>>

java.lang.Object

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

de.lmu.ifi.dbs.elki.visualization.visualizers.optics.AbstractOPTICSVisualization<D>

de.lmu.ifi.dbs.elki.visualization.visualizers.optics.OPTICSPlotSelectionVisualization<D>

Type Parameters:

D - distance type

All Implemented Interfaces:

ResultListener, DragableArea.DragListener, ContextChangeListener, Visualization, EventListener

public class OPTICSPlotSelectionVisualization<D extends Distance<D>>
extends AbstractOPTICSVisualization<D>
implements DragableArea.DragListener

Handle the marker in an OPTICS plot.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	OPTICSPlotSelectionVisualization.Factory Factory class for OPTICS plot selections.
private static class	OPTICSPlotSelectionVisualization.Mode Input modes

Field Summary

Fields

Modifier and Type	Field and Description
protected static String	CSS_MARKER CSS class for markers
protected static String	CSS_RANGEMARKER CSS class for markers
private Element	etag Element for the events
private static Logging	logger The logger for this class.
private Element	mtag Element for the marker
private static String	NAME A short name characterizing this Visualizer.

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

optics, plotheight, plotwidth

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

context, layer, pendingRedraw, svgp, task

Constructor Summary

Constructors

Constructor and Description
OPTICSPlotSelectionVisualization(VisualizationTask task) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
private void	addCSSClasses() Adds the required CSS-Classes
void	addMarker() Add marker for the selected IDs to mtag
Element	addMarkerRect(double x1, double width) Create a rectangle as marker (Marker higher than plot!)
boolean	duringDrag(org.w3c.dom.svg.SVGPoint startPoint, org.w3c.dom.svg.SVGPoint dragPoint, Event evt, boolean inside) Method called during drags.
boolean	endDrag(org.w3c.dom.svg.SVGPoint startPoint, org.w3c.dom.svg.SVGPoint dragPoint, Event evt, boolean inside) Method called when a drag was ended.
private OPTICSPlotSelectionVisualization.Mode	getInputMode(Event evt) Get the current input mode, on each mouse event.
private int	getSelectedIndex(List<ClusterOrderEntry<D>> order, org.w3c.dom.svg.SVGPoint cPt) Gets the Index of the ClusterOrderEntry where the event occurred
protected void	redraw() Perform a full redraw.
void	resultChanged(Result current) Notify that the current result has changed substantially.
boolean	startDrag(org.w3c.dom.svg.SVGPoint startPoint, Event evt) Action to do on drag start.
protected void	updateSelection(OPTICSPlotSelectionVisualization.Mode mode, int begin, int end) Updates the selection for the given ClusterOrderEntry.

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

getClusterOrder, makeLayerElement

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

contextChanged, destroy, getHeight, getLayer, getWidth, incrementalRedraw, resultAdded, resultRemoved, synchronizedRedraw, testRedraw

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static final Logging logger

The logger for this class.

NAME

private static final String NAME

A short name characterizing this Visualizer.

See Also:

Constant Field Values

CSS_MARKER

protected static final String CSS_MARKER

CSS class for markers

See Also:

Constant Field Values

CSS_RANGEMARKER

protected static final String CSS_RANGEMARKER

CSS class for markers

See Also:

Constant Field Values

etag

private Element etag

Element for the events

mtag

private Element mtag

Element for the marker

Constructor Detail

OPTICSPlotSelectionVisualization

public OPTICSPlotSelectionVisualization(VisualizationTask task)

Constructor.

Parameters:

task - Visualization task

Method Detail

redraw

protected void redraw()

Description copied from class: AbstractVisualization

Perform a full redraw.

Specified by:

redraw in class AbstractVisualization

addMarker

public void addMarker()

Add marker for the selected IDs to mtag

addMarkerRect

public Element addMarkerRect(double x1,
                    double width)

Create a rectangle as marker (Marker higher than plot!)

Parameters:

x1 - X-Value for the marker

width - Width of an entry

Returns:

SVG-Element svg-rectangle

startDrag

public boolean startDrag(org.w3c.dom.svg.SVGPoint startPoint,
                Event evt)

Description copied from interface: DragableArea.DragListener

Action to do on drag start.

Specified by:

startDrag in interface DragableArea.DragListener

Parameters:

startPoint - Point where the drag was started.

evt - The event object

Returns:

true to start the drag operation

duringDrag

public boolean duringDrag(org.w3c.dom.svg.SVGPoint startPoint,
                 org.w3c.dom.svg.SVGPoint dragPoint,
                 Event evt,
                 boolean inside)

Description copied from interface: DragableArea.DragListener

Method called during drags.

Specified by:

duringDrag in interface DragableArea.DragListener

Parameters:

startPoint - Drag starting point

dragPoint - Drag end point

evt - The event object

inside - Inside the tracked element

Returns:

true to continue the drag

endDrag

public boolean endDrag(org.w3c.dom.svg.SVGPoint startPoint,
              org.w3c.dom.svg.SVGPoint dragPoint,
              Event evt,
              boolean inside)

Description copied from interface: DragableArea.DragListener

Method called when a drag was ended.

Specified by:

endDrag in interface DragableArea.DragListener

Parameters:

startPoint - Drag starting point

dragPoint - Drag end point

evt - The event object

inside - Whether the end point was inside the area

Returns:

true to complete the drag

getInputMode

private OPTICSPlotSelectionVisualization.Mode getInputMode(Event evt)

Get the current input mode, on each mouse event.

Parameters:

evt - Mouse event.

Returns:

Input mode

getSelectedIndex

private int getSelectedIndex(List<ClusterOrderEntry<D>> order,
                   org.w3c.dom.svg.SVGPoint cPt)

Gets the Index of the ClusterOrderEntry where the event occurred

Parameters:

order - List of ClusterOrderEntries

cPt - clicked point

Returns:

Index of the object

updateSelection

protected void updateSelection(OPTICSPlotSelectionVisualization.Mode mode,
                   int begin,
                   int end)

Updates the selection for the given ClusterOrderEntry.

Parameters:

mode - Input mode

begin - first index to select

end - last index to select

addCSSClasses

private void addCSSClasses()

Adds the required CSS-Classes

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.