de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d

Class SelectionToolCubeVisualization<NV extends NumberVector<NV,?>>

java.lang.Object

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

de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d.P2DVisualization<NV>

de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d.SelectionToolCubeVisualization<NV>

Type Parameters:

NV - Type of the NumberVector being visualized.

All Implemented Interfaces:

ResultListener, DragableArea.DragListener, ContextChangeListener, Visualization, EventListener

public class SelectionToolCubeVisualization<NV extends NumberVector<NV,?>>
extends P2DVisualization<NV>
implements DragableArea.DragListener

Tool-Visualization for the tool to select ranges

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SelectionToolCubeVisualization.Factory<NV extends NumberVector<NV,?>> Factory for tool visualizations for selecting ranges and the inclosed objects

Field Summary

Fields

Modifier and Type	Field and Description
private static String	CSS_RANGEMARKER Generic tag to indicate the type of element.
private int	dim Dimension
private Element	etag Element for the rectangle to add listeners
protected static Logging	logger The logger for this class.
private static String	NAME A short name characterizing this Visualizer.
private Element	rtag Element for selection rectangle

Fields inherited from class de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d.P2DVisualization

proj, rel

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

context, layer, pendingRedraw, svgp, task

Constructor Summary

Constructors

Constructor and Description
SelectionToolCubeVisualization(VisualizationTask task) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addCSSClasses(SVGPlot svgp) Adds the required CSS-Classes
void	contextChanged(ContextChangedEvent e) Method called on context changes (e.g. projection changes).
private void	deleteChildren(Element container) Delete the children of the element
void	destroy() Destroy the visualization.
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.
protected void	redraw() Perform a full redraw.
boolean	startDrag(org.w3c.dom.svg.SVGPoint startPoint, Event evt) Action to do on drag start.
private void	updateSelection(Projection proj, org.w3c.dom.svg.SVGPoint p1, org.w3c.dom.svg.SVGPoint p2) Update the selection in the context.
private void	updateSelectionRectKoordinates(double x1, double x2, double y1, double y2, DoubleDoublePair[] ranges) Set the selected ranges and the mask for the actual dimensions in the context

Methods inherited from class de.lmu.ifi.dbs.elki.visualization.visualizers.vis2d.P2DVisualization

setupCanvas

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

getHeight, getLayer, getWidth, incrementalRedraw, resultAdded, resultChanged, resultRemoved, synchronizedRedraw, testRedraw

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected 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_RANGEMARKER

private static final String CSS_RANGEMARKER

Generic tag to indicate the type of element. Used in IDs, CSS-Classes etc.

See Also:

Constant Field Values

dim

private int dim

Dimension

rtag

private Element rtag

Element for selection rectangle

etag

private Element etag

Element for the rectangle to add listeners

Constructor Detail

SelectionToolCubeVisualization

public SelectionToolCubeVisualization(VisualizationTask task)

Constructor.

Parameters:

task - Task

Method Detail

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

contextChanged

public void contextChanged(ContextChangedEvent e)

Description copied from interface: ContextChangeListener

Method called on context changes (e.g. projection changes). Usually, this should trigger a redraw!

Specified by:

contextChanged in interface ContextChangeListener

Overrides:

contextChanged in class AbstractVisualization

Parameters:

e - Change event

redraw

protected void redraw()

Description copied from class: AbstractVisualization

Perform a full redraw.

Specified by:

redraw in class AbstractVisualization

deleteChildren

private void deleteChildren(Element container)

Delete the children of the element

Parameters:

container - SVG-Element

updateSelectionRectKoordinates

private void updateSelectionRectKoordinates(double x1,
                                  double x2,
                                  double y1,
                                  double y2,
                                  DoubleDoublePair[] ranges)

Set the selected ranges and the mask for the actual dimensions in the context

Parameters:

x1 - x-value of the first dimension

x2 - x-value of the second dimension

y1 - y-value of the first dimension

y2 - y-value of the second dimension

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

updateSelection

private void updateSelection(Projection proj,
                   org.w3c.dom.svg.SVGPoint p1,
                   org.w3c.dom.svg.SVGPoint p2)

Update the selection in the context.

Parameters:

proj - The projection

p1 - First Point of the selected rectangle

p2 - Second Point of the selected rectangle

addCSSClasses

protected void addCSSClasses(SVGPlot svgp)

Adds the required CSS-Classes

Parameters:

svgp - SVG-Plot