org.jfree.chart.plot
Class SpiderWebPlot

java.lang.Object
  org.jfree.chart.plot.Plot
      org.jfree.chart.plot.SpiderWebPlot

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.EventListener, AxisChangeListener, MarkerChangeListener, LegendItemSource, DatasetChangeListener, org.jfree.util.PublicCloneable

public class SpiderWebPlot
extends Plot
implements java.lang.Cloneable, java.io.Serializable

A plot that displays data from a CategoryDataset in the form of a "spider web". Multiple series can be plotted on the same axis to allow easy comparison. This plot doesn't support negative values at present.

See Also:

Serialized Form

Field Summary

static double	DEFAULT_AXIS_LABEL_GAP The default axis label gap (currently 10%).
static double	DEFAULT_HEAD The default head radius percent (currently 1%).
static double	DEFAULT_INTERIOR_GAP The default interior gap.
static java.awt.Paint	DEFAULT_LABEL_BACKGROUND_PAINT The default series label background paint.
static java.awt.Font	DEFAULT_LABEL_FONT The default series label font.
static java.awt.Paint	DEFAULT_LABEL_OUTLINE_PAINT The default series label outline paint.
static java.awt.Stroke	DEFAULT_LABEL_OUTLINE_STROKE The default series label outline stroke.
static java.awt.Paint	DEFAULT_LABEL_PAINT The default series label paint.
static java.awt.Paint	DEFAULT_LABEL_SHADOW_PAINT The default series label shadow paint.
static double	DEFAULT_MAX_VALUE The default maximum value plotted - forces the plot to evaluate the maximum from the data passed in
static double	DEFAULT_START_ANGLE The default starting angle for the radar chart axes.
protected double	headPercent The head radius as a percentage of the available drawing area.
static double	MAX_INTERIOR_GAP The maximum interior gap (currently 40%).

Fields inherited from class org.jfree.chart.plot.Plot

DEFAULT_BACKGROUND_ALPHA, DEFAULT_BACKGROUND_PAINT, DEFAULT_FOREGROUND_ALPHA, DEFAULT_INSETS, DEFAULT_LEGEND_ITEM_BOX, DEFAULT_LEGEND_ITEM_CIRCLE, DEFAULT_OUTLINE_PAINT, DEFAULT_OUTLINE_STROKE, MINIMUM_HEIGHT_TO_DRAW, MINIMUM_WIDTH_TO_DRAW, ZERO

Constructor Summary

SpiderWebPlot()
Creates a default plot with no dataset.

SpiderWebPlot(CategoryDataset dataset)
Creates a new spider web plot with the given dataset, with each row representing a series.

SpiderWebPlot(CategoryDataset dataset, org.jfree.util.TableOrder extract)
Creates a new spider web plot with the given dataset.

Method Summary

protected java.awt.geom.Point2D	calculateLabelLocation(java.awt.geom.Rectangle2D labelBounds, double ascent, java.awt.geom.Rectangle2D plotArea, double startAngle) Returns the location for a label
java.lang.Object	clone() Returns a clone of this plot.
void	draw(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D area, java.awt.geom.Point2D anchor, PlotState parentState, PlotRenderingInfo info) Draws the plot on a Java 2D graphics device (such as the screen or a printer).
protected void	drawLabel(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D plotArea, double value, int cat, double startAngle, double extent) Draws the label for one axis.
protected void	drawRadarPoly(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D plotArea, java.awt.geom.Point2D centre, PlotRenderingInfo info, int series, int catCount, double headH, double headW) Draws a radar plot polygon.
boolean	equals(java.lang.Object obj) Tests this plot for equality with an arbitrary object.
double	getAxisLabelGap() Returns the axis label gap.
java.awt.Paint	getAxisLinePaint() Returns the paint used to draw the axis lines.
java.awt.Stroke	getAxisLineStroke() Returns the stroke used to draw the axis lines.
java.awt.Paint	getBaseSeriesOutlinePaint() Returns the base series paint.
java.awt.Stroke	getBaseSeriesOutlineStroke() Returns the base series stroke.
java.awt.Paint	getBaseSeriesPaint() Returns the base series paint.
org.jfree.util.TableOrder	getDataExtractOrder() Returns the data extract order (by row or by column).
CategoryDataset	getDataset() Returns the dataset.
org.jfree.util.Rotation	getDirection() Returns the direction in which the radar axes are drawn (clockwise or anti-clockwise).
double	getHeadPercent() Returns the head percent.
double	getInteriorGap() Returns the interior gap, measured as a percentage of the available drawing space.
java.awt.Font	getLabelFont() Returns the series label font.
CategoryItemLabelGenerator	getLabelGenerator() Returns the label generator.
java.awt.Paint	getLabelPaint() Returns the series label paint.
LegendItemCollection	getLegendItems() Returns a collection of legend items for the radar chart.
java.awt.Shape	getLegendItemShape() Returns the shape used for legend items.
double	getMaxValue() Returns the maximum value any category axis can take.
java.lang.String	getPlotType() Returns a short string describing the type of plot.
protected java.lang.Number	getPlotValue(int series, int cat) Returns the value to be plotted at the interseries of the series and the category.
java.awt.Paint	getSeriesOutlinePaint() Returns the outline paint for ALL series in the plot.
java.awt.Paint	getSeriesOutlinePaint(int series) Returns the paint for the specified series.
java.awt.Stroke	getSeriesOutlineStroke() Returns the outline stroke for ALL series in the plot.
java.awt.Stroke	getSeriesOutlineStroke(int series) Returns the stroke for the specified series.
java.awt.Paint	getSeriesPaint() Returns the paint for ALL series in the plot.
java.awt.Paint	getSeriesPaint(int series) Returns the paint for the specified series.
double	getStartAngle() Returns the start angle for the first radar axis.
CategoryToolTipGenerator	getToolTipGenerator() Returns the tool tip generator for the plot.
CategoryURLGenerator	getURLGenerator() Returns the URL generator for the plot.
protected java.awt.geom.Point2D	getWebPoint(java.awt.geom.Rectangle2D bounds, double angle, double length) Returns a cartesian point from a polar angle, length and bounding box
boolean	isWebFilled() Method to determine if the web chart is to be filled.
void	setAxisLabelGap(double gap) Sets the axis label gap and sends a PlotChangeEvent to all registered listeners.
void	setAxisLinePaint(java.awt.Paint paint) Sets the paint used to draw the axis lines and sends a PlotChangeEvent to all registered listeners.
void	setAxisLineStroke(java.awt.Stroke stroke) Sets the stroke used to draw the axis lines and sends a PlotChangeEvent to all registered listeners.
void	setBaseSeriesOutlinePaint(java.awt.Paint paint) Sets the base series paint.
void	setBaseSeriesOutlineStroke(java.awt.Stroke stroke) Sets the base series stroke.
void	setBaseSeriesPaint(java.awt.Paint paint) Sets the base series paint.
void	setDataExtractOrder(org.jfree.util.TableOrder order) Sets the data extract order (by row or by column) and sends a PlotChangeEventto all registered listeners.
void	setDataset(CategoryDataset dataset) Sets the dataset used by the plot and sends a PlotChangeEvent to all registered listeners.
void	setDirection(org.jfree.util.Rotation direction) Sets the direction in which the radar axes are drawn and sends a PlotChangeEvent to all registered listeners.
void	setHeadPercent(double percent) Sets the head percent and sends a PlotChangeEvent to all registered listeners.
void	setInteriorGap(double percent) Sets the interior gap and sends a PlotChangeEvent to all registered listeners.
void	setLabelFont(java.awt.Font font) Sets the series label font and sends a PlotChangeEvent to all registered listeners.
void	setLabelGenerator(CategoryItemLabelGenerator generator) Sets the label generator and sends a PlotChangeEvent to all registered listeners.
void	setLabelPaint(java.awt.Paint paint) Sets the series label paint and sends a PlotChangeEvent to all registered listeners.
void	setLegendItemShape(java.awt.Shape shape) Sets the shape used for legend items and sends a PlotChangeEvent to all registered listeners.
void	setMaxValue(double value) Sets the maximum value any category axis can take and sends a PlotChangeEvent to all registered listeners.
void	setSeriesOutlinePaint(int series, java.awt.Paint paint) Sets the paint used to fill a series of the radar and sends a PlotChangeEvent to all registered listeners.
void	setSeriesOutlinePaint(java.awt.Paint paint) Sets the outline paint for ALL series in the plot.
void	setSeriesOutlineStroke(int series, java.awt.Stroke stroke) Sets the stroke used to fill a series of the radar and sends a PlotChangeEvent to all registered listeners.
void	setSeriesOutlineStroke(java.awt.Stroke stroke) Sets the outline stroke for ALL series in the plot.
void	setSeriesPaint(int series, java.awt.Paint paint) Sets the paint used to fill a series of the radar and sends a PlotChangeEvent to all registered listeners.
void	setSeriesPaint(java.awt.Paint paint) Sets the paint for ALL series in the plot.
void	setStartAngle(double angle) Sets the starting angle and sends a PlotChangeEvent to all registered listeners.
void	setToolTipGenerator(CategoryToolTipGenerator generator) Sets the tool tip generator for the plot and sends a PlotChangeEvent to all registered listeners.
void	setURLGenerator(CategoryURLGenerator generator) Sets the URL generator for the plot and sends a PlotChangeEvent to all registered listeners.
void	setWebFilled(boolean flag) Sets the webFilled flag and sends a PlotChangeEvent to all registered listeners.

Methods inherited from class org.jfree.chart.plot.Plot

addChangeListener, axisChanged, createAndAddEntity, datasetChanged, drawBackground, drawBackgroundImage, drawNoDataMessage, drawOutline, fillBackground, fillBackground, fireChangeEvent, getBackgroundAlpha, getBackgroundImage, getBackgroundImageAlignment, getBackgroundImageAlpha, getBackgroundPaint, getDatasetGroup, getDrawingSupplier, getForegroundAlpha, getInsets, getNoDataMessage, getNoDataMessageFont, getNoDataMessagePaint, getOutlinePaint, getOutlineStroke, getParent, getRectX, getRectY, getRootPlot, handleClick, isNotify, isOutlineVisible, isSubplot, markerChanged, notifyListeners, removeChangeListener, resolveDomainAxisLocation, resolveRangeAxisLocation, setBackgroundAlpha, setBackgroundImage, setBackgroundImageAlignment, setBackgroundImageAlpha, setBackgroundPaint, setDatasetGroup, setDrawingSupplier, setDrawingSupplier, setForegroundAlpha, setInsets, setInsets, setNoDataMessage, setNoDataMessageFont, setNoDataMessagePaint, setNotify, setOutlinePaint, setOutlineStroke, setOutlineVisible, setParent, zoom

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_HEAD

public static final double DEFAULT_HEAD

The default head radius percent (currently 1%).

See Also:

Constant Field Values

DEFAULT_AXIS_LABEL_GAP

public static final double DEFAULT_AXIS_LABEL_GAP

The default axis label gap (currently 10%).

See Also:

Constant Field Values

DEFAULT_INTERIOR_GAP

public static final double DEFAULT_INTERIOR_GAP

The default interior gap.

See Also:

Constant Field Values

MAX_INTERIOR_GAP

public static final double MAX_INTERIOR_GAP

The maximum interior gap (currently 40%).

See Also:

Constant Field Values

DEFAULT_START_ANGLE

public static final double DEFAULT_START_ANGLE

The default starting angle for the radar chart axes.

See Also:

Constant Field Values

DEFAULT_LABEL_FONT

public static final java.awt.Font DEFAULT_LABEL_FONT

The default series label font.

DEFAULT_LABEL_PAINT

public static final java.awt.Paint DEFAULT_LABEL_PAINT

The default series label paint.

DEFAULT_LABEL_BACKGROUND_PAINT

public static final java.awt.Paint DEFAULT_LABEL_BACKGROUND_PAINT

The default series label background paint.

DEFAULT_LABEL_OUTLINE_PAINT

public static final java.awt.Paint DEFAULT_LABEL_OUTLINE_PAINT

The default series label outline paint.

DEFAULT_LABEL_OUTLINE_STROKE

public static final java.awt.Stroke DEFAULT_LABEL_OUTLINE_STROKE

The default series label outline stroke.

DEFAULT_LABEL_SHADOW_PAINT

public static final java.awt.Paint DEFAULT_LABEL_SHADOW_PAINT

The default series label shadow paint.

DEFAULT_MAX_VALUE

public static final double DEFAULT_MAX_VALUE

The default maximum value plotted - forces the plot to evaluate the maximum from the data passed in

See Also:

Constant Field Values

headPercent

protected double headPercent

The head radius as a percentage of the available drawing area.

Constructor Detail

SpiderWebPlot

public SpiderWebPlot()

Creates a default plot with no dataset.

SpiderWebPlot

public SpiderWebPlot(CategoryDataset dataset)

Creates a new spider web plot with the given dataset, with each row representing a series.

Parameters:

dataset - the dataset (null permitted).

SpiderWebPlot

public SpiderWebPlot(CategoryDataset dataset,
                     org.jfree.util.TableOrder extract)

Creates a new spider web plot with the given dataset.

Parameters:

dataset - the dataset.

extract - controls how data is extracted (TableOrder.BY_ROW or TableOrder.BY_COLUMN).

Method Detail

getPlotType

public java.lang.String getPlotType()

Returns a short string describing the type of plot.

Specified by:

getPlotType in class Plot

Returns:

The plot type.

getDataset

public CategoryDataset getDataset()

Returns the dataset.

Returns:

The dataset (possibly null).

See Also:

setDataset(CategoryDataset)

setDataset

public void setDataset(CategoryDataset dataset)

Sets the dataset used by the plot and sends a PlotChangeEvent to all registered listeners.

Parameters:

dataset - the dataset (null permitted).

See Also:

getDataset()

isWebFilled

public boolean isWebFilled()

Method to determine if the web chart is to be filled.

Returns:

A boolean.

See Also:

setWebFilled(boolean)

setWebFilled

public void setWebFilled(boolean flag)

Sets the webFilled flag and sends a PlotChangeEvent to all registered listeners.

Parameters:

flag - the flag.

See Also:

isWebFilled()

getDataExtractOrder

public org.jfree.util.TableOrder getDataExtractOrder()

Returns the data extract order (by row or by column).

Returns:

The data extract order (never null).

See Also:

setDataExtractOrder(TableOrder)

setDataExtractOrder

public void setDataExtractOrder(org.jfree.util.TableOrder order)

Sets the data extract order (by row or by column) and sends a PlotChangeEventto all registered listeners.

Parameters:

order - the order (null not permitted).

Throws:

java.lang.IllegalArgumentException - if order is null.

See Also:

getDataExtractOrder()

getHeadPercent

public double getHeadPercent()

Returns the head percent.

Returns:

The head percent.

See Also:

setHeadPercent(double)

setHeadPercent

public void setHeadPercent(double percent)

Sets the head percent and sends a PlotChangeEvent to all registered listeners.

Parameters:

percent - the percent.

See Also:

getHeadPercent()

getStartAngle

public double getStartAngle()

Returns the start angle for the first radar axis.
This is measured in degrees starting from 3 o'clock (Java Arc2D default) and measuring anti-clockwise.

Returns:

The start angle.

See Also:

setStartAngle(double)

setStartAngle

public void setStartAngle(double angle)

Sets the starting angle and sends a PlotChangeEvent to all registered listeners.

The initial default value is 90 degrees, which corresponds to 12 o'clock. A value of zero corresponds to 3 o'clock... this is the encoding used by Java's Arc2D class.

Parameters:

angle - the angle (in degrees).

See Also:

getStartAngle()

getMaxValue

public double getMaxValue()

Returns the maximum value any category axis can take.

Returns:

The maximum value.

See Also:

setMaxValue(double)

setMaxValue

public void setMaxValue(double value)

Sets the maximum value any category axis can take and sends a PlotChangeEvent to all registered listeners.

Parameters:

value - the maximum value.

See Also:

getMaxValue()

getDirection

public org.jfree.util.Rotation getDirection()

Returns the direction in which the radar axes are drawn (clockwise or anti-clockwise).

Returns:

The direction (never null).

See Also:

setDirection(Rotation)

setDirection

public void setDirection(org.jfree.util.Rotation direction)

Sets the direction in which the radar axes are drawn and sends a PlotChangeEvent to all registered listeners.

Parameters:

direction - the direction (null not permitted).

See Also:

getDirection()

getInteriorGap

public double getInteriorGap()

Returns the interior gap, measured as a percentage of the available drawing space.

Returns:

The gap (as a percentage of the available drawing space).

See Also:

setInteriorGap(double)

setInteriorGap

public void setInteriorGap(double percent)

Sets the interior gap and sends a PlotChangeEvent to all registered listeners. This controls the space between the edges of the plot and the plot area itself (the region where the axis labels appear).

Parameters:

percent - the gap (as a percentage of the available drawing space).

See Also:

getInteriorGap()

getAxisLabelGap

public double getAxisLabelGap()

Returns the axis label gap.

Returns:

The axis label gap.

See Also:

setAxisLabelGap(double)

setAxisLabelGap

public void setAxisLabelGap(double gap)

Sets the axis label gap and sends a PlotChangeEvent to all registered listeners.

Parameters:

gap - the gap.

See Also:

getAxisLabelGap()

getAxisLinePaint

public java.awt.Paint getAxisLinePaint()

Returns the paint used to draw the axis lines.

Returns:

The paint used to draw the axis lines (never null).

Since:

1.0.4

See Also:

setAxisLinePaint(Paint), getAxisLineStroke()

setAxisLinePaint

public void setAxisLinePaint(java.awt.Paint paint)

Sets the paint used to draw the axis lines and sends a PlotChangeEvent to all registered listeners.

Parameters:

paint - the paint (null not permitted).

Since:

1.0.4

See Also:

getAxisLinePaint()

getAxisLineStroke

public java.awt.Stroke getAxisLineStroke()

Returns the stroke used to draw the axis lines.

Returns:

The stroke used to draw the axis lines (never null).

Since:

1.0.4

See Also:

setAxisLineStroke(Stroke), getAxisLinePaint()

setAxisLineStroke

public void setAxisLineStroke(java.awt.Stroke stroke)

Sets the stroke used to draw the axis lines and sends a PlotChangeEvent to all registered listeners.

Parameters:

stroke - the stroke (null not permitted).

Since:

1.0.4

See Also:

getAxisLineStroke()

getSeriesPaint

public java.awt.Paint getSeriesPaint()

Returns the paint for ALL series in the plot.

Returns:

The paint (possibly null).

See Also:

setSeriesPaint(Paint)

setSeriesPaint

public void setSeriesPaint(java.awt.Paint paint)

Sets the paint for ALL series in the plot. If this is set to null , then a list of paints is used instead (to allow different colors to be used for each series of the radar group).

Parameters:

paint - the paint (null permitted).

See Also:

getSeriesPaint()

getSeriesPaint

public java.awt.Paint getSeriesPaint(int series)

Returns the paint for the specified series.

Parameters:

series - the series index (zero-based).

Returns:

The paint (never null).

See Also:

setSeriesPaint(int, Paint)

setSeriesPaint

public void setSeriesPaint(int series,
                           java.awt.Paint paint)

Sets the paint used to fill a series of the radar and sends a PlotChangeEvent to all registered listeners.

Parameters:

series - the series index (zero-based).

paint - the paint (null permitted).

See Also:

getSeriesPaint(int)

getBaseSeriesPaint

public java.awt.Paint getBaseSeriesPaint()

Returns the base series paint. This is used when no other paint is available.

Returns:

The paint (never null).

See Also:

setBaseSeriesPaint(Paint)

setBaseSeriesPaint

public void setBaseSeriesPaint(java.awt.Paint paint)

Sets the base series paint.

Parameters:

paint - the paint (null not permitted).

See Also:

getBaseSeriesPaint()

getSeriesOutlinePaint

public java.awt.Paint getSeriesOutlinePaint()

Returns the outline paint for ALL series in the plot.

Returns:

The paint (possibly null).

setSeriesOutlinePaint

public void setSeriesOutlinePaint(java.awt.Paint paint)

Sets the outline paint for ALL series in the plot. If this is set to null, then a list of paints is used instead (to allow different colors to be used for each series).

Parameters:

paint - the paint (null permitted).

getSeriesOutlinePaint

public java.awt.Paint getSeriesOutlinePaint(int series)

Returns the paint for the specified series.

Parameters:

series - the series index (zero-based).

Returns:

The paint (never null).

setSeriesOutlinePaint

public void setSeriesOutlinePaint(int series,
                                  java.awt.Paint paint)

Sets the paint used to fill a series of the radar and sends a PlotChangeEvent to all registered listeners.

Parameters:

series - the series index (zero-based).

paint - the paint (null permitted).

getBaseSeriesOutlinePaint

public java.awt.Paint getBaseSeriesOutlinePaint()

Returns the base series paint. This is used when no other paint is available.

Returns:

The paint (never null).

setBaseSeriesOutlinePaint

public void setBaseSeriesOutlinePaint(java.awt.Paint paint)

Sets the base series paint.

Parameters:

paint - the paint (null not permitted).

getSeriesOutlineStroke

public java.awt.Stroke getSeriesOutlineStroke()

Returns the outline stroke for ALL series in the plot.

Returns:

The stroke (possibly null).

setSeriesOutlineStroke

public void setSeriesOutlineStroke(java.awt.Stroke stroke)

Sets the outline stroke for ALL series in the plot. If this is set to null, then a list of paints is used instead (to allow different colors to be used for each series).

Parameters:

stroke - the stroke (null permitted).

getSeriesOutlineStroke

public java.awt.Stroke getSeriesOutlineStroke(int series)

Returns the stroke for the specified series.

Parameters:

series - the series index (zero-based).

Returns:

The stroke (never null).

setSeriesOutlineStroke

public void setSeriesOutlineStroke(int series,
                                   java.awt.Stroke stroke)

Sets the stroke used to fill a series of the radar and sends a PlotChangeEvent to all registered listeners.

Parameters:

series - the series index (zero-based).

stroke - the stroke (null permitted).

getBaseSeriesOutlineStroke

public java.awt.Stroke getBaseSeriesOutlineStroke()

Returns the base series stroke. This is used when no other stroke is available.

Returns:

The stroke (never null).

setBaseSeriesOutlineStroke

public void setBaseSeriesOutlineStroke(java.awt.Stroke stroke)

Sets the base series stroke.

Parameters:

stroke - the stroke (null not permitted).

getLegendItemShape

public java.awt.Shape getLegendItemShape()

Returns the shape used for legend items.

Returns:

The shape (never null).

See Also:

setLegendItemShape(Shape)

setLegendItemShape

public void setLegendItemShape(java.awt.Shape shape)

Sets the shape used for legend items and sends a PlotChangeEvent to all registered listeners.

Parameters:

shape - the shape (null not permitted).

See Also:

getLegendItemShape()

getLabelFont

public java.awt.Font getLabelFont()

Returns the series label font.

Returns:

The font (never null).

See Also:

setLabelFont(Font)

setLabelFont

public void setLabelFont(java.awt.Font font)

Sets the series label font and sends a PlotChangeEvent to all registered listeners.

Parameters:

font - the font (null not permitted).

See Also:

getLabelFont()

getLabelPaint

public java.awt.Paint getLabelPaint()

Returns the series label paint.

Returns:

The paint (never null).

See Also:

setLabelPaint(Paint)

setLabelPaint

public void setLabelPaint(java.awt.Paint paint)

Sets the series label paint and sends a PlotChangeEvent to all registered listeners.

Parameters:

paint - the paint (null not permitted).

See Also:

getLabelPaint()

getLabelGenerator

public CategoryItemLabelGenerator getLabelGenerator()

Returns the label generator.

Returns:

The label generator (never null).

See Also:

setLabelGenerator(CategoryItemLabelGenerator)

setLabelGenerator

public void setLabelGenerator(CategoryItemLabelGenerator generator)

Sets the label generator and sends a PlotChangeEvent to all registered listeners.

Parameters:

generator - the generator (null not permitted).

See Also:

getLabelGenerator()

getToolTipGenerator

public CategoryToolTipGenerator getToolTipGenerator()

Returns the tool tip generator for the plot.

Returns:

The tool tip generator (possibly null).

Since:

1.0.2

See Also:

setToolTipGenerator(CategoryToolTipGenerator)

setToolTipGenerator

public void setToolTipGenerator(CategoryToolTipGenerator generator)

Sets the tool tip generator for the plot and sends a PlotChangeEvent to all registered listeners.

Parameters:

generator - the generator (null permitted).

Since:

1.0.2

See Also:

getToolTipGenerator()

getURLGenerator

public CategoryURLGenerator getURLGenerator()

Returns the URL generator for the plot.

Returns:

The URL generator (possibly null).

Since:

1.0.2

See Also:

setURLGenerator(CategoryURLGenerator)

setURLGenerator

public void setURLGenerator(CategoryURLGenerator generator)

Sets the URL generator for the plot and sends a PlotChangeEvent to all registered listeners.

Parameters:

generator - the generator (null permitted).

Since:

1.0.2

See Also:

getURLGenerator()

getLegendItems

public LegendItemCollection getLegendItems()

Returns a collection of legend items for the radar chart.

Specified by:

getLegendItems in interface LegendItemSource

Overrides:

getLegendItems in class Plot

Returns:

The legend items.

getWebPoint

protected java.awt.geom.Point2D getWebPoint(java.awt.geom.Rectangle2D bounds,
                                            double angle,
                                            double length)

Returns a cartesian point from a polar angle, length and bounding box

Parameters:

bounds - the area inside which the point needs to be.

angle - the polar angle, in degrees.

length - the relative length. Given in percent of maximum extend.

Returns:

The cartesian point.

draw

public void draw(java.awt.Graphics2D g2,
                 java.awt.geom.Rectangle2D area,
                 java.awt.geom.Point2D anchor,
                 PlotState parentState,
                 PlotRenderingInfo info)

Draws the plot on a Java 2D graphics device (such as the screen or a printer).

Specified by:

draw in class Plot

Parameters:

g2 - the graphics device.

area - the area within which the plot should be drawn.

anchor - the anchor point (null permitted).

parentState - the state from the parent plot, if there is one.

info - collects info about the drawing.

drawRadarPoly

protected void drawRadarPoly(java.awt.Graphics2D g2,
                             java.awt.geom.Rectangle2D plotArea,
                             java.awt.geom.Point2D centre,
                             PlotRenderingInfo info,
                             int series,
                             int catCount,
                             double headH,
                             double headW)

Draws a radar plot polygon.

Parameters:

g2 - the graphics device.

plotArea - the area we are plotting in (already adjusted).

centre - the centre point of the radar axes

info - chart rendering info.

series - the series within the dataset we are plotting

catCount - the number of categories per radar plot

headH - the data point height

headW - the data point width

getPlotValue

protected java.lang.Number getPlotValue(int series,
                                        int cat)

Returns the value to be plotted at the interseries of the series and the category. This allows us to plot BY_ROW or BY_COLUMN which basically is just reversing the definition of the categories and data series being plotted.

Parameters:

series - the series to be plotted.

cat - the category within the series to be plotted.

Returns:

The value to be plotted (possibly null).

See Also:

getDataExtractOrder()

drawLabel

protected void drawLabel(java.awt.Graphics2D g2,
                         java.awt.geom.Rectangle2D plotArea,
                         double value,
                         int cat,
                         double startAngle,
                         double extent)

Draws the label for one axis.

Parameters:

g2 - the graphics device.

plotArea - the plot area

value - the value of the label (ignored).

cat - the category (zero-based index).

startAngle - the starting angle.

extent - the extent of the arc.

calculateLabelLocation

protected java.awt.geom.Point2D calculateLabelLocation(java.awt.geom.Rectangle2D labelBounds,
                                                       double ascent,
                                                       java.awt.geom.Rectangle2D plotArea,
                                                       double startAngle)

Returns the location for a label

Parameters:

labelBounds - the label bounds.

ascent - the ascent (height of font).

plotArea - the plot area

startAngle - the start angle for the pie series.

Returns:

The location for a label.

equals

public boolean equals(java.lang.Object obj)

Tests this plot for equality with an arbitrary object.

Overrides:

equals in class Plot

Parameters:

obj - the object (null permitted).

Returns:

A boolean.

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Returns a clone of this plot.

Specified by:

clone in interface org.jfree.util.PublicCloneable

Overrides:

clone in class Plot

Returns:

A clone of this plot.

Throws:

java.lang.CloneNotSupportedException - if the plot cannot be cloned for any reason.