de.lmu.ifi.dbs.elki.visualization.visualizers.vis1d
Class Projection1DHistogramVisualizer<NV extends NumberVector<NV,?>>

java.lang.Object
  de.lmu.ifi.dbs.elki.logging.AbstractLoggable
      de.lmu.ifi.dbs.elki.visualization.visualizers.AbstractVisualizer
          de.lmu.ifi.dbs.elki.visualization.visualizers.vis1d.Projection1DVisualizer<NV>
              de.lmu.ifi.dbs.elki.visualization.visualizers.vis1d.Projection1DHistogramVisualizer<NV>

Type Parameters:

NV - Type of the DatabaseObject being visualized.

All Implemented Interfaces:

Parameterizable, ProjectedVisualizer, Visualizer

public class Projection1DHistogramVisualizer<NV extends NumberVector<NV,?>>
extends Projection1DVisualizer<NV>

Generates a SVG-Element containing a histogram representing the distribution of the database's objects.

Author:

Remigius Wojdanowski

Field Summary

static String	BIN Generic tag to indicate the type of element.
private int	bins Number of bins to use in the histogram.
private boolean	curves Internal storage of the curves flag.
private static int	DEFAULT_BINS Number of bins to use in histogram.
static OptionID	HISTOGRAM_BINS_ID Option ID for parameter HISTOGRAM_BINS_PARAM
private IntParameter	HISTOGRAM_BINS_PARAM Parameter to specify the number of bins to use in histogram.
private static String	NAME Name for this visualizer.
private Flag	STYLE_CURVES_FLAG Flag to specify the "curves" rendering style.
static OptionID	STYLE_CURVES_ID OptionID for STYLE_CURVES_FLAG.

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

context, metadata

Fields inherited from class de.lmu.ifi.dbs.elki.logging.AbstractLoggable

debug, logger

Fields inherited from interface de.lmu.ifi.dbs.elki.visualization.visualizers.Visualizer

LEVEL_BACKGROUND, LEVEL_FOREGROUND, LEVEL_INTERACTIVE, LEVEL_STATIC, META_LEVEL, META_NAME, META_NOTHUMB, META_VISIBLE, META_VISIBLE_DEFAULT

Constructor Summary

Projection1DHistogramVisualizer(Parameterization config)
Constructor, adhering to Parameterizable

Method Summary

void	init(VisualizerContext context) Initialization.
private void	setupCSS(SVGPlot svgp, int numc) Generate the needed CSS classes.
Element	visualize(SVGPlot svgp, VisualizationProjection proj, double width, double height) Returns an Element representing a visualization.

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

addRedrawListener, fireRedrawEvent, getMetadata, init, removeRedrawListener, requestRedraw, setLevel

Methods inherited from class de.lmu.ifi.dbs.elki.logging.AbstractLoggable

debugFine, debugFiner, debugFinest, exception, progress, verbose, warning

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.visualization.visualizers.Visualizer

addRedrawListener, getMetadata, removeRedrawListener

Field Detail

STYLE_CURVES_ID

public static final OptionID STYLE_CURVES_ID

OptionID for STYLE_CURVES_FLAG.

STYLE_CURVES_FLAG

private final Flag STYLE_CURVES_FLAG

Flag to specify the "curves" rendering style.

Key: -histogram.curves

curves

private boolean curves

Internal storage of the curves flag.

DEFAULT_BINS

private static final int DEFAULT_BINS

Number of bins to use in histogram.

See Also:

Constant Field Values

HISTOGRAM_BINS_ID

public static final OptionID HISTOGRAM_BINS_ID

Option ID for parameter HISTOGRAM_BINS_PARAM

HISTOGRAM_BINS_PARAM

private final IntParameter HISTOGRAM_BINS_PARAM

Parameter to specify the number of bins to use in histogram.

Key: -projhistogram.bins Default: 20

bins

private int bins

Number of bins to use in the histogram.

NAME

private static final String NAME

Name for this visualizer.

See Also:

Constant Field Values

BIN

public static final String BIN

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

See Also:

Constant Field Values

Constructor Detail

Projection1DHistogramVisualizer

public Projection1DHistogramVisualizer(Parameterization config)

Constructor, adhering to Parameterizable

Parameters:

config - Parameterization

Method Detail

init

public void init(VisualizerContext context)

Initialization.

Parameters:

context - context.

setupCSS

private void setupCSS(SVGPlot svgp,
                      int numc)

Generate the needed CSS classes.

Parameters:

svgp - Plot context

numc - Number of classes we need.

visualize

public Element visualize(SVGPlot svgp,
                         VisualizationProjection proj,
                         double width,
                         double height)

Description copied from interface: ProjectedVisualizer

Returns an Element representing a visualization.

Parameters:

svgp - plot to contain the returned Element.

proj - projection to use

width - Width of plot

height - Height of plot

Returns:

an Element representing a 2-dimensional visualization.