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, AnnotationChangeListener, AxisChangeListener, MarkerChangeListener, LegendItemSource, PublicCloneable, DatasetChangeListener
```
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

Fields
Modifier and Type	Field	Description
`private double`	`axisLabelGap`	The gap between the labels and the axes as a %age of the radius.
`private java.awt.Paint`	`axisLinePaint`	The paint used to draw the axis lines.
`private java.awt.Stroke`	`axisLineStroke`	The stroke used to draw the axis lines.
`private java.awt.Paint`	`baseSeriesOutlinePaint`	The base series outline paint (fallback).
`private java.awt.Stroke`	`baseSeriesOutlineStroke`	The base series outline stroke (fallback).
`private java.awt.Paint`	`baseSeriesPaint`	The base series paint (fallback).
`private TableOrder`	`dataExtractOrder`	The data extract order (BY_ROW or BY_COLUMN).
`private CategoryDataset`	`dataset`	The dataset.
`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.
`private Rotation`	`direction`	The direction for drawing the radar axis and plots.
`protected double`	`headPercent`	The head radius as a percentage of the available drawing area.
`private double`	`interiorGap`	The space left around the outside of the plot as a percentage.
`private java.awt.Font`	`labelFont`	The font used to display the category labels.
`private CategoryItemLabelGenerator`	`labelGenerator`	The label generator.
`private java.awt.Paint`	`labelPaint`	The color used to draw the category labels.
`private java.awt.Shape`	`legendItemShape`	The legend item shape.
`static double`	`MAX_INTERIOR_GAP`	The maximum interior gap (currently 40%).
`private double`	`maxValue`	The maximum value we are plotting against on each category axis
`private static long`	`serialVersionUID`	For serialization.
`private java.awt.Paint`	`seriesOutlinePaint`	The outline paint for ALL series (overrides list).
`private PaintList`	`seriesOutlinePaintList`	The series outline paint list.
`private java.awt.Stroke`	`seriesOutlineStroke`	The outline stroke for ALL series (overrides list).
`private StrokeList`	`seriesOutlineStrokeList`	The series outline stroke list.
`private java.awt.Paint`	`seriesPaint`	The paint for ALL series (overrides list).
`private PaintList`	`seriesPaintList`	The series paint list.
`private double`	`startAngle`	The starting angle.
`private CategoryToolTipGenerator`	`toolTipGenerator`	A tooltip generator for the plot (`null` permitted).
`private CategoryURLGenerator`	`urlGenerator`	A URL generator for the plot (`null` permitted).
`private float`	`webFillAlpha`	The alpha value of the fill portion of a polygon.
`private boolean`	`webFilled`	controls if the web polygons are filled or not

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

Constructors
Constructor	Description
`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, TableOrder extract)`	Creates a new spider web plot with the given dataset.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`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
`private void`	`calculateMaxValue(int seriesCount, int catCount)`	loop through each of the series to get the maximum value on each category axis
`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.
`TableOrder`	`getDataExtractOrder()`	Returns the data extract order (by row or by column).
`CategoryDataset`	`getDataset()`	Returns the dataset.
`Rotation`	`getDirection()`	Returns the direction in which the radar axes are drawn (clockwise or anti-clockwise).
`double`	`getHeadPercent()`	Returns the head percent (the default value is 0.01).
`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 spider web 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 intersection 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.
`float`	`getWebFillAlpha()`	Returns the alpha value for filling a graph (in the range 0.0 to 1.0).
`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.
`private void`	`readObject(java.io.ObjectInputStream stream)`	Provides serialization support.
`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(TableOrder order)`	Sets the data extract order (by row or by column) and sends a `PlotChangeEvent`to all registered listeners.
`void`	`setDataset(CategoryDataset dataset)`	Sets the dataset used by the plot and sends a `PlotChangeEvent` to all registered listeners.
`void`	`setDirection(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`	`setWebFillAlpha(float alpha)`	Sets the alpha value for the fill of a plot polygon and sends a `PlotChangeEvent` to all registered listeners.
`void`	`setWebFilled(boolean flag)`	Sets the webFilled flag and sends a `PlotChangeEvent` to all registered listeners.
`private void`	`writeObject(java.io.ObjectOutputStream stream)`	Provides serialization support.

Methods inherited from class org.jfree.chart.plot.Plot
addChangeListener, annotationChanged, axisChanged, canEqual, createAndAddEntity, datasetChanged, drawBackground, drawBackgroundImage, drawNoDataMessage, drawOutline, fetchElementHintingFlag, fillBackground, fillBackground, fireChangeEvent, getBackgroundAlpha, getBackgroundImage, getBackgroundImageAlignment, getBackgroundImageAlpha, getBackgroundPaint, getChart, getDatasetGroup, getDrawingSupplier, getForegroundAlpha, getInsets, getNoDataMessage, getNoDataMessageFont, getNoDataMessagePaint, getOutlinePaint, getOutlineStroke, getParent, getRectX, getRectY, getRootPlot, handleClick, hashCode, isNotify, isOutlineVisible, isSubplot, markerChanged, notifyListeners, removeChangeListener, resolveDomainAxisLocation, resolveRangeAxisLocation, setBackgroundAlpha, setBackgroundImage, setBackgroundImageAlignment, setBackgroundImageAlpha, setBackgroundPaint, setChart, setDatasetGroup, setDrawingSupplier, setDrawingSupplier, setForegroundAlpha, setInsets, setInsets, setNoDataMessage, setNoDataMessageFont, setNoDataMessagePaint, setNotify, setOutlinePaint, setOutlineStroke, setOutlineVisible, setParent, zoom

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - serialVersionUID
```
private static final long serialVersionUID
```
    For serialization.
    
    See Also:
    
    Constant Field Values
  - 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.
  - interiorGap
```
private double interiorGap
```
    The space left around the outside of the plot as a percentage.
  - axisLabelGap
```
private double axisLabelGap
```
    The gap between the labels and the axes as a %age of the radius.
  - axisLinePaint
```
private transient java.awt.Paint axisLinePaint
```
    The paint used to draw the axis lines.
  - axisLineStroke
```
private transient java.awt.Stroke axisLineStroke
```
    The stroke used to draw the axis lines.
  - dataset
```
private CategoryDataset dataset
```
    The dataset.
  - maxValue
```
private double maxValue
```
    The maximum value we are plotting against on each category axis
  - dataExtractOrder
```
private TableOrder dataExtractOrder
```
    The data extract order (BY_ROW or BY_COLUMN). This denotes whether the data series are stored in rows (in which case the category names are derived from the column keys) or in columns (in which case the category names are derived from the row keys).
  - startAngle
```
private double startAngle
```
    The starting angle.
  - direction
```
private Rotation direction
```
    The direction for drawing the radar axis and plots.
  - legendItemShape
```
private transient java.awt.Shape legendItemShape
```
    The legend item shape.
  - seriesPaint
```
private transient java.awt.Paint seriesPaint
```
    The paint for ALL series (overrides list).
  - seriesPaintList
```
private PaintList seriesPaintList
```
    The series paint list.
  - baseSeriesPaint
```
private transient java.awt.Paint baseSeriesPaint
```
    The base series paint (fallback).
  - seriesOutlinePaint
```
private transient java.awt.Paint seriesOutlinePaint
```
    The outline paint for ALL series (overrides list).
  - seriesOutlinePaintList
```
private PaintList seriesOutlinePaintList
```
    The series outline paint list.
  - baseSeriesOutlinePaint
```
private transient java.awt.Paint baseSeriesOutlinePaint
```
    The base series outline paint (fallback).
  - seriesOutlineStroke
```
private transient java.awt.Stroke seriesOutlineStroke
```
    The outline stroke for ALL series (overrides list).
  - seriesOutlineStrokeList
```
private StrokeList seriesOutlineStrokeList
```
    The series outline stroke list.
  - baseSeriesOutlineStroke
```
private transient java.awt.Stroke baseSeriesOutlineStroke
```
    The base series outline stroke (fallback).
  - labelFont
```
private java.awt.Font labelFont
```
    The font used to display the category labels.
  - labelPaint
```
private transient java.awt.Paint labelPaint
```
    The color used to draw the category labels.
  - labelGenerator
```
private CategoryItemLabelGenerator labelGenerator
```
    The label generator.
  - webFilled
```
private boolean webFilled
```
    controls if the web polygons are filled or not
  - webFillAlpha
```
private float webFillAlpha
```
    The alpha value of the fill portion of a polygon.
  - toolTipGenerator
```
private CategoryToolTipGenerator toolTipGenerator
```
    A tooltip generator for the plot (null permitted).
  - urlGenerator
```
private CategoryURLGenerator urlGenerator
```
    A URL generator for the plot (null permitted).
- 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,
                     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()
  - getWebFillAlpha
```
public float getWebFillAlpha()
```
    Returns the alpha value for filling a graph (in the range 0.0 to 1.0).
    
    Returns:
    
    The alpha value for filling a spider plot polygon.
    
    See Also:
    
    setWebFillAlpha(float)
  - setWebFillAlpha
```
public void setWebFillAlpha(float alpha)
```
    Sets the alpha value for the fill of a plot polygon and sends a PlotChangeEvent to all registered listeners.
    
    Parameters:
    
    alpha - the new alpha value. If it is outside [0,1] it will be corrected to fit the range.
    
    See Also:
    
    getWebFillAlpha()
  - getDataExtractOrder
```
public 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(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 (the default value is 0.01).
    
    Returns:
    
    The head percent (always > 0).
    
    See Also:
    
    setHeadPercent(double)
  - setHeadPercent
```
public void setHeadPercent(double percent)
```
    Sets the head percent and sends a PlotChangeEvent to all registered listeners. Note that 0.10 is 10 percent.
    
    Parameters:
    
    percent - the percent (must be greater than zero).
    
    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 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(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).
    
    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).
    
    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).
    
    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).
    
    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).
    
    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).
    
    See Also:
    
    getToolTipGenerator()
  - getURLGenerator
```
public CategoryURLGenerator getURLGenerator()
```
    Returns the URL generator for the plot.
    
    Returns:
    
    The URL generator (possibly null).
    
    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).
    
    See Also:
    
    getURLGenerator()
  - getLegendItems
```
public LegendItemCollection getLegendItems()
```
    Returns a collection of legend items for the spider web chart.
    
    Specified by:
    
    getLegendItems in interface LegendItemSource
    
    Overrides:
    
    getLegendItems in class Plot
    
    Returns:
    
    The legend items (never null).
  - 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.
  - calculateMaxValue
```
private void calculateMaxValue(int seriesCount,
                               int catCount)
```
    loop through each of the series to get the maximum value on each category axis
    
    Parameters:
    
    seriesCount - the number of series
    
    catCount - the number of categories
  - 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 intersection 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 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.
  - writeObject
```
private void writeObject(java.io.ObjectOutputStream stream)
                  throws java.io.IOException
```
    Provides serialization support.
    
    Parameters:
    
    stream - the output stream.
    
    Throws:
    
    java.io.IOException - if there is an I/O error.
  - readObject
```
private void readObject(java.io.ObjectInputStream stream)
                 throws java.io.IOException,
                        java.lang.ClassNotFoundException
```
    Provides serialization support.
    
    Parameters:
    
    stream - the input stream.
    
    Throws:
    
    java.io.IOException - if there is an I/O error.
    
    java.lang.ClassNotFoundException - if there is a classpath problem.

Class SpiderWebPlot

Field Summary

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

Constructor Summary

Method Summary

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

Methods inherited from class java.lang.Object

Field Detail

serialVersionUID

DEFAULT_HEAD

DEFAULT_AXIS_LABEL_GAP

DEFAULT_INTERIOR_GAP

MAX_INTERIOR_GAP

DEFAULT_START_ANGLE

DEFAULT_LABEL_FONT

DEFAULT_LABEL_PAINT

DEFAULT_LABEL_BACKGROUND_PAINT

DEFAULT_LABEL_OUTLINE_PAINT

DEFAULT_LABEL_OUTLINE_STROKE

DEFAULT_LABEL_SHADOW_PAINT

DEFAULT_MAX_VALUE

headPercent

interiorGap

axisLabelGap

axisLinePaint

axisLineStroke

dataset

maxValue

dataExtractOrder

startAngle

direction

legendItemShape

seriesPaint

seriesPaintList

baseSeriesPaint

seriesOutlinePaint

seriesOutlinePaintList

baseSeriesOutlinePaint

seriesOutlineStroke

seriesOutlineStrokeList

baseSeriesOutlineStroke

labelFont

labelPaint

labelGenerator

webFilled

webFillAlpha

toolTipGenerator

urlGenerator

Constructor Detail

SpiderWebPlot

SpiderWebPlot

SpiderWebPlot

Method Detail

getPlotType

getDataset

setDataset

isWebFilled

setWebFilled

getWebFillAlpha

setWebFillAlpha

getDataExtractOrder

setDataExtractOrder

getHeadPercent

setHeadPercent

getStartAngle

setStartAngle

getMaxValue

setMaxValue

getDirection

setDirection

getInteriorGap

setInteriorGap

getAxisLabelGap

setAxisLabelGap

getAxisLinePaint

setAxisLinePaint

getAxisLineStroke

setAxisLineStroke

getSeriesPaint

setSeriesPaint