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

Class AbstractParallelVisualization<NV>

java.lang.Object

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

de.lmu.ifi.dbs.elki.visualization.visualizers.parallel.AbstractParallelVisualization<NV>

Type Parameters:

NV - Data type in relation

All Implemented Interfaces:

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

Direct Known Subclasses:

AxisReorderVisualization.Instance, AxisVisibilityVisualization.Instance, BoundingBoxVisualization.Instance, ClusterOutlineVisualization.Instance, ClusterParallelMeanVisualization.Instance, LineVisualization.Instance, ParallelAxisVisualization.Instance, RTreeParallelVisualization.Instance, SelectionAxisRangeVisualization.Instance, SelectionLineVisualization.Instance, SelectionToolAxisRangeVisualization.Instance, SelectionToolLineVisualization.Instance

public abstract class AbstractParallelVisualization<NV>
extends AbstractVisualization

Abstract base class for parallel visualizations.

Since:

0.5.0

Author:

Robert Rödler, Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
protected double	axsep Space between two axes
(package private) double[]	margins margin
protected ProjectionParallel	proj The current projection
protected Relation<NV>	relation The representation we visualize
(package private) double[]	size viewbox size

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

context, layer, svgp, task

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
void	fullRedraw() Request a full redrawing of the visualization.
protected double	getAxisSep() Distance between axes.
protected double	getMarginLeft()
protected double	getMarginTop()
protected double	getSizeX() Get width of main canvas.
protected double	getSizeY()
protected double	getVisibleAxisX(double d) Get the position of visible axis d
private void	recalcAxisPositions() Recalculate axis positions, in particular after projection changes.
org.w3c.dom.Element	setupCanvas(SVGPlot svgp, ProjectionParallel proj, 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, 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 ProjectionParallel proj

The current projection

relation

protected final Relation<NV> relation

The representation we visualize

margins

final double[] margins

margin

axsep

protected double axsep

Space between two axes

size

final double[] size

viewbox size

Constructor Detail

AbstractParallelVisualization

public AbstractParallelVisualization(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

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

setupCanvas

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

Utility function to setup a canvas element for the visualization.

Parameters:

svgp - Plot element

proj - Projection to use

width - Width

height - Height

Returns:

wrapper element with appropriate view box.

getSizeX

protected double getSizeX()

Get width of main canvas.

Returns:

Width

getSizeY

protected double getSizeY()

getMarginLeft

protected double getMarginLeft()

getMarginTop

protected double getMarginTop()

getAxisSep

protected double getAxisSep()

Distance between axes.

Returns:

Axis separation

recalcAxisPositions

private void recalcAxisPositions()

Recalculate axis positions, in particular after projection changes.

getVisibleAxisX

protected double getVisibleAxisX(double d)

Get the position of visible axis d

Parameters:

d - Visible axis number

Returns:

Position

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