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org.jfree.chart.renderer.xy

Class XYBubbleRenderer

Implemented Interfaces:
Cloneable, LegendItemSource, PublicCloneable, Serializable, XYItemRenderer
public class XYBubbleRenderer
extends AbstractXYItemRenderer
implements XYItemRenderer, Cloneable, PublicCloneable, Serializable
A renderer that draws a circle at each data point with a diameter that is determined by the z-value in the dataset (the renderer requires the dataset to be an instance of XYZDataset.

Field Summary

static int
SCALE_ON_BOTH_AXES
A constant to specify that the bubbles drawn by this renderer should be scaled on both axes (see XYBubbleRenderer(int)).
static int
SCALE_ON_DOMAIN_AXIS
A constant to specify that the bubbles drawn by this renderer should be scaled on the domain axis (see XYBubbleRenderer(int)).
static int
SCALE_ON_RANGE_AXIS
A constant to specify that the bubbles drawn by this renderer should be scaled on the range axis (see XYBubbleRenderer(int)).
static long
serialVersionUID
For serialization.

Fields inherited from class org.jfree.chart.renderer.AbstractRenderer

DEFAULT_OUTLINE_PAINT, DEFAULT_OUTLINE_STROKE, DEFAULT_PAINT, DEFAULT_SHAPE, DEFAULT_STROKE, DEFAULT_VALUE_LABEL_FONT, DEFAULT_VALUE_LABEL_PAINT, ZERO

Constructor Summary

XYBubbleRenderer()
Constructs a new renderer.
XYBubbleRenderer(int scaleType)
Constructs a new renderer with the specified type of scaling.

Method Summary

Object
clone()
Returns a clone of the renderer.
void
drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, CrosshairState crosshairState, int pass)
Draws the visual representation of a single data item.
boolean
equals(Object obj)
Tests this renderer for equality with an arbitrary object.
LegendItem
getLegendItem(int datasetIndex, int series)
Returns a legend item for the specified series.
int
getScaleType()
Returns the scale type that was set when the renderer was constructed.

Methods inherited from class org.jfree.chart.renderer.xy.AbstractXYItemRenderer

addAnnotation, addAnnotation, addEntity, calculateDomainMarkerTextAnchorPoint, clone, drawAnnotations, drawDomainGridLine, drawDomainLine, drawDomainMarker, drawItemLabel, drawRangeLine, drawRangeMarker, equals, fillDomainGridBand, fillRangeGridBand, findDomainBounds, findRangeBounds, getBaseItemLabelGenerator, getBaseToolTipGenerator, getDefaultEntityRadius, getDrawingSupplier, getItemLabelGenerator, getItemLabelGenerator, getLegendItem, getLegendItemLabelGenerator, getLegendItemToolTipGenerator, getLegendItemURLGenerator, getLegendItems, getPassCount, getPlot, getSeriesItemLabelGenerator, getSeriesToolTipGenerator, getToolTipGenerator, getToolTipGenerator, getURLGenerator, initialise, removeAnnotation, removeAnnotations, setBaseItemLabelGenerator, setBaseToolTipGenerator, setDefaultEntityRadius, setItemLabelGenerator, setLegendItemLabelGenerator, setLegendItemToolTipGenerator, setLegendItemURLGenerator, setPlot, setSeriesItemLabelGenerator, setSeriesToolTipGenerator, setToolTipGenerator, setURLGenerator, updateCrosshairValues, updateCrosshairValues

Methods inherited from class org.jfree.chart.renderer.AbstractRenderer

addChangeListener, calculateLabelAnchorPoint, clone, equals, fireChangeEvent, getBaseCreateEntities, getBaseFillPaint, getBaseItemLabelFont, getBaseItemLabelPaint, getBaseItemLabelsVisible, getBaseNegativeItemLabelPosition, getBaseOutlinePaint, getBaseOutlineStroke, getBasePaint, getBasePositiveItemLabelPosition, getBaseSeriesVisible, getBaseSeriesVisibleInLegend, getBaseShape, getBaseStroke, getCreateEntities, getDrawingSupplier, getItemCreateEntity, getItemFillPaint, getItemLabelAnchorOffset, getItemLabelFont, getItemLabelFont, getItemLabelPaint, getItemLabelPaint, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getItemVisible, getNegativeItemLabelPosition, getNegativeItemLabelPosition, getPositiveItemLabelPosition, getPositiveItemLabelPosition, getSeriesCreateEntities, getSeriesFillPaint, getSeriesItemLabelFont, getSeriesItemLabelPaint, getSeriesNegativeItemLabelPosition, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesPositiveItemLabelPosition, getSeriesShape, getSeriesStroke, getSeriesVisible, getSeriesVisible, getSeriesVisibleInLegend, getSeriesVisibleInLegend, hasListener, hashCode, isItemLabelVisible, isSeriesItemLabelsVisible, isSeriesVisible, isSeriesVisibleInLegend, notifyListeners, removeChangeListener, setBaseCreateEntities, setBaseCreateEntities, setBaseFillPaint, setBaseFillPaint, setBaseItemLabelFont, setBaseItemLabelFont, setBaseItemLabelPaint, setBaseItemLabelPaint, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseNegativeItemLabelPosition, setBaseNegativeItemLabelPosition, setBaseOutlinePaint, setBaseOutlinePaint, setBaseOutlineStroke, setBaseOutlineStroke, setBasePaint, setBasePaint, setBasePositiveItemLabelPosition, setBasePositiveItemLabelPosition, setBaseSeriesVisible, setBaseSeriesVisible, setBaseSeriesVisibleInLegend, setBaseSeriesVisibleInLegend, setBaseShape, setBaseShape, setBaseStroke, setBaseStroke, setCreateEntities, setCreateEntities, setFillPaint, setFillPaint, setItemLabelAnchorOffset, setItemLabelFont, setItemLabelFont, setItemLabelPaint, setItemLabelPaint, setItemLabelsVisible, setItemLabelsVisible, setItemLabelsVisible, setNegativeItemLabelPosition, setNegativeItemLabelPosition, setOutlinePaint, setOutlinePaint, setOutlineStroke, setOutlineStroke, setPaint, setPaint, setPositiveItemLabelPosition, setPositiveItemLabelPosition, setSeriesCreateEntities, setSeriesCreateEntities, setSeriesFillPaint, setSeriesFillPaint, setSeriesItemLabelFont, setSeriesItemLabelFont, setSeriesItemLabelPaint, setSeriesItemLabelPaint, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesNegativeItemLabelPosition, setSeriesNegativeItemLabelPosition, setSeriesOutlinePaint, setSeriesOutlinePaint, setSeriesOutlineStroke, setSeriesOutlineStroke, setSeriesPaint, setSeriesPaint, setSeriesPositiveItemLabelPosition, setSeriesPositiveItemLabelPosition, setSeriesShape, setSeriesShape, setSeriesStroke, setSeriesStroke, setSeriesVisible, setSeriesVisible, setSeriesVisible, setSeriesVisible, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setShape, setShape, setStroke, setStroke

Field Details

SCALE_ON_BOTH_AXES

public static final int SCALE_ON_BOTH_AXES
A constant to specify that the bubbles drawn by this renderer should be scaled on both axes (see XYBubbleRenderer(int)).
Field Value:
0

SCALE_ON_DOMAIN_AXIS

public static final int SCALE_ON_DOMAIN_AXIS
A constant to specify that the bubbles drawn by this renderer should be scaled on the domain axis (see XYBubbleRenderer(int)).
Field Value:
1

SCALE_ON_RANGE_AXIS

public static final int SCALE_ON_RANGE_AXIS
A constant to specify that the bubbles drawn by this renderer should be scaled on the range axis (see XYBubbleRenderer(int)).
Field Value:
2

serialVersionUID

public static final long serialVersionUID
For serialization.
Field Value:
-5221991598674249125L

Constructor Details

XYBubbleRenderer

public XYBubbleRenderer()
Constructs a new renderer.

XYBubbleRenderer

public XYBubbleRenderer(int scaleType)
Constructs a new renderer with the specified type of scaling.
Parameters:
scaleType - the type of scaling (must be one of: SCALE_ON_BOTH_AXES, SCALE_ON_DOMAIN_AXIS, SCALE_ON_RANGE_AXIS).

Method Details

clone

public Object clone()
            throws CloneNotSupportedException
Returns a clone of the renderer.
Overrides:
clone in interface AbstractXYItemRenderer
Returns:
A clone.

drawItem

public void drawItem(Graphics2D g2,
                     XYItemRendererState state,
                     Rectangle2D dataArea,
                     PlotRenderingInfo info,
                     XYPlot plot,
                     ValueAxis domainAxis,
                     ValueAxis rangeAxis,
                     XYDataset dataset,
                     int series,
                     int item,
                     CrosshairState crosshairState,
                     int pass)
Draws the visual representation of a single data item.
Specified by:
drawItem in interface XYItemRenderer
Parameters:
g2 - the graphics device.
state - the renderer state.
dataArea - the area within which the data is being drawn.
info - collects information about the drawing.
plot - the plot (can be used to obtain standard color information etc).
domainAxis - the domain (horizontal) axis.
rangeAxis - the range (vertical) axis.
dataset - the dataset (an XYZDataset is expected).
series - the series index (zero-based).
item - the item index (zero-based).
crosshairState - crosshair information for the plot (null permitted).
pass - the pass index.

equals

public boolean equals(Object obj)
Tests this renderer for equality with an arbitrary object.
Overrides:
equals in interface AbstractXYItemRenderer
Parameters:
obj - the object (null permitted).
Returns:
A boolean.

getLegendItem

public LegendItem getLegendItem(int datasetIndex,
                                int series)
Returns a legend item for the specified series. The default method is overridden so that the legend displays circles for all series.
Specified by:
getLegendItem in interface XYItemRenderer
Overrides:
getLegendItem in interface AbstractXYItemRenderer
Parameters:
datasetIndex - the dataset index (zero-based).
series - the series index (zero-based).
Returns:
A legend item for the series.

getScaleType

public int getScaleType()
Returns the scale type that was set when the renderer was constructed.
Returns:
The scale type (one of: SCALE_ON_BOTH_AXES, SCALE_ON_DOMAIN_AXIS, SCALE_ON_RANGE_AXIS).

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