org.jfree.chart.plot
Class PolarPlot

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

All Implemented Interfaces:

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

public class PolarPlot
extends Plot
implements ValueAxisPlot, Zoomable, RendererChangeListener, java.lang.Cloneable, java.io.Serializable

Plots data that is in (theta, radius) pairs where theta equal to zero is due north and increases clockwise.

See Also:

Serialized Form

Field Summary

static double	DEFAULT_ANGLE_TICK_UNIT_SIZE The default angle tick unit size.
static java.awt.Paint	DEFAULT_GRIDLINE_PAINT The default grid line paint.
static java.awt.Stroke	DEFAULT_GRIDLINE_STROKE The default grid line stroke.
protected static java.util.ResourceBundle	localizationResources The resourceBundle for the localization.

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

PolarPlot()
Default constructor.

PolarPlot(XYDataset dataset, ValueAxis radiusAxis, PolarItemRenderer renderer)
Creates a new plot.

Method Summary

void	addCornerTextItem(java.lang.String text) Add text to be displayed in the lower right hand corner and sends a PlotChangeEvent to all registered listeners.
void	clearCornerTextItems() Clear the list of corner text items and sends a PlotChangeEvent to all registered listeners.
java.lang.Object	clone() Returns a clone of the plot.
void	datasetChanged(DatasetChangeEvent event) Receives notification of a change to the plot's m_Dataset.
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 AxisState	drawAxis(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D plotArea, java.awt.geom.Rectangle2D dataArea) A utility method for drawing the axes.
protected void	drawCornerTextItems(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D area) Draws the corner text items.
protected void	drawGridlines(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D dataArea, java.util.List angularTicks, java.util.List radialTicks) Draws the gridlines for the plot, if they are visible.
boolean	equals(java.lang.Object obj) Tests this plot for equality with another object.
java.awt.Paint	getAngleGridlinePaint() Returns the paint for the grid lines (if any) plotted against the angular axis.
java.awt.Stroke	getAngleGridlineStroke() Returns the stroke for the grid-lines (if any) plotted against the angular axis.
java.awt.Font	getAngleLabelFont() Returns the font used to display the angle labels.
java.awt.Paint	getAngleLabelPaint() Returns the paint used to display the angle labels.
TickUnit	getAngleTickUnit() Returns the tick unit that controls the spacing of the angular grid lines.
ValueAxis	getAxis() Returns the axis for the plot.
Range	getDataRange(ValueAxis axis) Returns the range for the specified axis.
XYDataset	getDataset() Returns the primary dataset for the plot.
LegendItemCollection	getLegendItems() Returns the legend items for the plot.
double	getMaxRadius() Returns the upper bound of the radius axis.
PlotOrientation	getOrientation() Returns the orientation of the plot.
java.lang.String	getPlotType() Returns the plot type as a string.
java.awt.Paint	getRadiusGridlinePaint() Returns the paint for the grid lines (if any) plotted against the radius axis.
java.awt.Stroke	getRadiusGridlineStroke() Returns the stroke for the grid lines (if any) plotted against the radius axis.
PolarItemRenderer	getRenderer() Returns the item renderer.
int	getSeriesCount() Returns the number of series in the dataset for this plot.
boolean	isAngleGridlinesVisible() Returns true if the angular gridlines are visible, and false otherwise.
boolean	isAngleLabelsVisible() Returns a flag that controls whether or not the angle labels are visible.
boolean	isDomainZoomable() Returns false always.
boolean	isRadiusGridlinesVisible() Returns true if the radius axis grid is visible, and false otherwise.
boolean	isRangeZoomable() Returns true to indicate that the range axis is zoomable.
protected java.util.List	refreshAngleTicks() Generates a list of tick values for the angular tick marks.
void	removeCornerTextItem(java.lang.String text) Remove the given text from the list of corner text items and sends a PlotChangeEvent to all registered listeners.
protected void	render(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D dataArea, PlotRenderingInfo info) Draws a representation of the data within the dataArea region, using the current m_Renderer.
void	rendererChanged(RendererChangeEvent event) Notifies all registered listeners of a property change.
void	setAngleGridlinePaint(java.awt.Paint paint) Sets the paint for the grid lines plotted against the angular axis.
void	setAngleGridlineStroke(java.awt.Stroke stroke) Sets the stroke for the grid lines plotted against the angular axis and sends a PlotChangeEvent to all registered listeners.
void	setAngleGridlinesVisible(boolean visible) Sets the flag that controls whether or not the angular grid-lines are visible.
void	setAngleLabelFont(java.awt.Font font) Sets the font used to display the angle labels and sends a PlotChangeEvent to all registered listeners.
void	setAngleLabelPaint(java.awt.Paint paint) Sets the paint used to display the angle labels and sends a PlotChangeEvent to all registered listeners.
void	setAngleLabelsVisible(boolean visible) Sets the flag that controls whether or not the angle labels are visible, and sends a PlotChangeEvent to all registered listeners.
void	setAngleTickUnit(TickUnit unit) Sets the tick unit that controls the spacing of the angular grid lines, and sends a PlotChangeEvent to all registered listeners.
void	setAxis(ValueAxis axis) Sets the axis for the plot and sends a PlotChangeEvent to all registered listeners.
void	setDataset(XYDataset dataset) Sets the dataset for the plot, replacing the existing dataset if there is one.
void	setRadiusGridlinePaint(java.awt.Paint paint) Sets the paint for the grid lines plotted against the radius axis and sends a PlotChangeEvent to all registered listeners.
void	setRadiusGridlineStroke(java.awt.Stroke stroke) Sets the stroke for the grid lines plotted against the radius axis and sends a PlotChangeEvent to all registered listeners.
void	setRadiusGridlinesVisible(boolean visible) Sets the flag that controls whether or not the radius axis grid lines are visible.
void	setRenderer(PolarItemRenderer renderer) Sets the item renderer, and notifies all listeners of a change to the plot.
java.awt.Point	translateValueThetaRadiusToJava2D(double angleDegrees, double radius, java.awt.geom.Rectangle2D dataArea) Translates a (theta, radius) pair into Java2D coordinates.
void	zoom(double percent) Zooms the axis ranges by the specified percentage about the anchor point.
void	zoomDomainAxes(double lowerPercent, double upperPercent, PlotRenderingInfo state, java.awt.geom.Point2D source) This method is required by the Zoomable interface, but since the plot does not have any domain axes, it does nothing.
void	zoomDomainAxes(double factor, PlotRenderingInfo state, java.awt.geom.Point2D source) This method is required by the Zoomable interface, but since the plot does not have any domain axes, it does nothing.
void	zoomDomainAxes(double factor, PlotRenderingInfo state, java.awt.geom.Point2D source, boolean useAnchor) This method is required by the Zoomable interface, but since the plot does not have any domain axes, it does nothing.
void	zoomRangeAxes(double lowerPercent, double upperPercent, PlotRenderingInfo state, java.awt.geom.Point2D source) Zooms in on the range axes.
void	zoomRangeAxes(double factor, PlotRenderingInfo state, java.awt.geom.Point2D source) Multiplies the range on the range axis/axes by the specified factor.
void	zoomRangeAxes(double factor, PlotRenderingInfo info, java.awt.geom.Point2D source, boolean useAnchor) Multiplies the range on the range axis by the specified factor.

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

addChangeListener, axisChanged, createAndAddEntity, 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

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_ANGLE_TICK_UNIT_SIZE

public static final double DEFAULT_ANGLE_TICK_UNIT_SIZE

The default angle tick unit size.

Since:

1.0.10

See Also:

Constant Field Values

DEFAULT_GRIDLINE_STROKE

public static final java.awt.Stroke DEFAULT_GRIDLINE_STROKE

The default grid line stroke.

DEFAULT_GRIDLINE_PAINT

public static final java.awt.Paint DEFAULT_GRIDLINE_PAINT

The default grid line paint.

localizationResources

protected static java.util.ResourceBundle localizationResources

The resourceBundle for the localization.

Constructor Detail

PolarPlot

public PolarPlot()

Default constructor.

PolarPlot

public PolarPlot(XYDataset dataset,
                 ValueAxis radiusAxis,
                 PolarItemRenderer renderer)

Creates a new plot.

Parameters:

dataset - the dataset (null permitted).

radiusAxis - the radius axis (null permitted).

renderer - the renderer (null permitted).

Method Detail

addCornerTextItem

public void addCornerTextItem(java.lang.String text)

Add text to be displayed in the lower right hand corner and sends a PlotChangeEvent to all registered listeners.

Parameters:

text - the text to display (null not permitted).

See Also:

removeCornerTextItem(String)

removeCornerTextItem

public void removeCornerTextItem(java.lang.String text)

Remove the given text from the list of corner text items and sends a PlotChangeEvent to all registered listeners.

Parameters:

text - the text to remove (null ignored).

See Also:

addCornerTextItem(String)

clearCornerTextItems

public void clearCornerTextItems()

Clear the list of corner text items and sends a PlotChangeEvent to all registered listeners.

See Also:

addCornerTextItem(String), removeCornerTextItem(String)

getPlotType

public java.lang.String getPlotType()

Returns the plot type as a string.

Specified by:

getPlotType in class Plot

Returns:

A short string describing the type of plot.

getAxis

public ValueAxis getAxis()

Returns the axis for the plot.

Returns:

The radius axis (possibly null).

See Also:

setAxis(ValueAxis)

setAxis

public void setAxis(ValueAxis axis)

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

Parameters:

axis - the new axis (null permitted).

getDataset

public XYDataset getDataset()

Returns the primary dataset for the plot.

Returns:

The primary dataset (possibly null).

See Also:

setDataset(XYDataset)

setDataset

public void setDataset(XYDataset dataset)

Sets the dataset for the plot, replacing the existing dataset if there is one.

Parameters:

dataset - the dataset (null permitted).

See Also:

getDataset()

getRenderer

public PolarItemRenderer getRenderer()

Returns the item renderer.

Returns:

The renderer (possibly null).

See Also:

setRenderer(PolarItemRenderer)

setRenderer

public void setRenderer(PolarItemRenderer renderer)

Sets the item renderer, and notifies all listeners of a change to the plot.

If the renderer is set to null, no chart will be drawn.

Parameters:

renderer - the new renderer (null permitted).

See Also:

getRenderer()

getAngleTickUnit

public TickUnit getAngleTickUnit()

Returns the tick unit that controls the spacing of the angular grid lines.

Returns:

The tick unit (never null).

Since:

1.0.10

setAngleTickUnit

public void setAngleTickUnit(TickUnit unit)

Sets the tick unit that controls the spacing of the angular grid lines, and sends a PlotChangeEvent to all registered listeners.

Parameters:

unit - the tick unit (null not permitted).

Since:

1.0.10

isAngleLabelsVisible

public boolean isAngleLabelsVisible()

Returns a flag that controls whether or not the angle labels are visible.

Returns:

A boolean.

See Also:

setAngleLabelsVisible(boolean)

setAngleLabelsVisible

public void setAngleLabelsVisible(boolean visible)

Sets the flag that controls whether or not the angle labels are visible, and sends a PlotChangeEvent to all registered listeners.

Parameters:

visible - the flag.

See Also:

isAngleLabelsVisible()

getAngleLabelFont

public java.awt.Font getAngleLabelFont()

Returns the font used to display the angle labels.

Returns:

A font (never null).

See Also:

setAngleLabelFont(Font)

setAngleLabelFont

public void setAngleLabelFont(java.awt.Font font)

Sets the font used to display the angle labels and sends a PlotChangeEvent to all registered listeners.

Parameters:

font - the font (null not permitted).

See Also:

getAngleLabelFont()

getAngleLabelPaint

public java.awt.Paint getAngleLabelPaint()

Returns the paint used to display the angle labels.

Returns:

A paint (never null).

See Also:

setAngleLabelPaint(Paint)

setAngleLabelPaint

public void setAngleLabelPaint(java.awt.Paint paint)

Sets the paint used to display the angle labels and sends a PlotChangeEvent to all registered listeners.

Parameters:

paint - the paint (null not permitted).

isAngleGridlinesVisible

public boolean isAngleGridlinesVisible()

Returns true if the angular gridlines are visible, and false otherwise.

Returns:

true or false.

See Also:

setAngleGridlinesVisible(boolean)

setAngleGridlinesVisible

public void setAngleGridlinesVisible(boolean visible)

Sets the flag that controls whether or not the angular grid-lines are visible.

If the flag value is changed, a PlotChangeEvent is sent to all registered listeners.

Parameters:

visible - the new value of the flag.

See Also:

isAngleGridlinesVisible()

getAngleGridlineStroke

public java.awt.Stroke getAngleGridlineStroke()

Returns the stroke for the grid-lines (if any) plotted against the angular axis.

Returns:

The stroke (possibly null).

See Also:

setAngleGridlineStroke(Stroke)

setAngleGridlineStroke

public void setAngleGridlineStroke(java.awt.Stroke stroke)

Sets the stroke for the grid lines plotted against the angular axis and sends a PlotChangeEvent to all registered listeners.

If you set this to null, no grid lines will be drawn.

Parameters:

stroke - the stroke (null permitted).

See Also:

getAngleGridlineStroke()

getAngleGridlinePaint

public java.awt.Paint getAngleGridlinePaint()

Returns the paint for the grid lines (if any) plotted against the angular axis.

Returns:

The paint (possibly null).

See Also:

setAngleGridlinePaint(Paint)

setAngleGridlinePaint

public void setAngleGridlinePaint(java.awt.Paint paint)

Sets the paint for the grid lines plotted against the angular axis.

If you set this to null, no grid lines will be drawn.

Parameters:

paint - the paint (null permitted).

See Also:

getAngleGridlinePaint()

isRadiusGridlinesVisible

public boolean isRadiusGridlinesVisible()

Returns true if the radius axis grid is visible, and false otherwise.

Returns:

true or false.

See Also:

setRadiusGridlinesVisible(boolean)

setRadiusGridlinesVisible

public void setRadiusGridlinesVisible(boolean visible)

Sets the flag that controls whether or not the radius axis grid lines are visible.

If the flag value is changed, a PlotChangeEvent is sent to all registered listeners.

Parameters:

visible - the new value of the flag.

See Also:

isRadiusGridlinesVisible()

getRadiusGridlineStroke

public java.awt.Stroke getRadiusGridlineStroke()

Returns the stroke for the grid lines (if any) plotted against the radius axis.

Returns:

The stroke (possibly null).

See Also:

setRadiusGridlineStroke(Stroke)

setRadiusGridlineStroke

public void setRadiusGridlineStroke(java.awt.Stroke stroke)

Sets the stroke for the grid lines plotted against the radius axis and sends a PlotChangeEvent to all registered listeners.

If you set this to null, no grid lines will be drawn.

Parameters:

stroke - the stroke (null permitted).

See Also:

getRadiusGridlineStroke()

getRadiusGridlinePaint

public java.awt.Paint getRadiusGridlinePaint()

Returns the paint for the grid lines (if any) plotted against the radius axis.

Returns:

The paint (possibly null).

See Also:

setRadiusGridlinePaint(Paint)

setRadiusGridlinePaint

public void setRadiusGridlinePaint(java.awt.Paint paint)

Sets the paint for the grid lines plotted against the radius axis and sends a PlotChangeEvent to all registered listeners.

If you set this to null, no grid lines will be drawn.

Parameters:

paint - the paint (null permitted).

See Also:

getRadiusGridlinePaint()

refreshAngleTicks

protected java.util.List refreshAngleTicks()

Generates a list of tick values for the angular tick marks.

Returns:

A list of NumberTick instances.

Since:

1.0.10

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).

This plot relies on a PolarItemRenderer to draw each item in the plot. This allows the visual representation of the data to be changed easily.

The optional info argument collects information about the rendering of the plot (dimensions, tooltip information etc). Just pass in null if you do not need this information.

Specified by:

draw in class Plot

Parameters:

g2 - the graphics device.

area - the area within which the plot (including axes and labels) should be drawn.

anchor - the anchor point (null permitted).

parentState - ignored.

info - collects chart drawing information (null permitted).

drawCornerTextItems

protected void drawCornerTextItems(java.awt.Graphics2D g2,
                                   java.awt.geom.Rectangle2D area)

Draws the corner text items.

Parameters:

g2 - the drawing surface.

area - the area.

drawAxis

protected AxisState drawAxis(java.awt.Graphics2D g2,
                             java.awt.geom.Rectangle2D plotArea,
                             java.awt.geom.Rectangle2D dataArea)

A utility method for drawing the axes.

Parameters:

g2 - the graphics device.

plotArea - the plot area.

dataArea - the data area.

Returns:

A map containing the axis states.

render

protected void render(java.awt.Graphics2D g2,
                      java.awt.geom.Rectangle2D dataArea,
                      PlotRenderingInfo info)

Draws a representation of the data within the dataArea region, using the current m_Renderer.

Parameters:

g2 - the graphics device.

dataArea - the region in which the data is to be drawn.

info - an optional object for collection dimension information (null permitted).

drawGridlines

protected void drawGridlines(java.awt.Graphics2D g2,
                             java.awt.geom.Rectangle2D dataArea,
                             java.util.List angularTicks,
                             java.util.List radialTicks)

Draws the gridlines for the plot, if they are visible.

Parameters:

g2 - the graphics device.

dataArea - the data area.

angularTicks - the ticks for the angular axis.

radialTicks - the ticks for the radial axis.

zoom

public void zoom(double percent)

Zooms the axis ranges by the specified percentage about the anchor point.

Overrides:

zoom in class Plot

Parameters:

percent - the amount of the zoom.

getDataRange

public Range getDataRange(ValueAxis axis)

Returns the range for the specified axis.

Specified by:

getDataRange in interface ValueAxisPlot

Parameters:

axis - the axis.

Returns:

The range.

datasetChanged

public void datasetChanged(DatasetChangeEvent event)

Receives notification of a change to the plot's m_Dataset.

The axis ranges are updated if necessary.

Specified by:

datasetChanged in interface DatasetChangeListener

Overrides:

datasetChanged in class Plot

Parameters:

event - information about the event (not used here).

rendererChanged

public void rendererChanged(RendererChangeEvent event)

Notifies all registered listeners of a property change.

One source of property change events is the plot's m_Renderer.

Specified by:

rendererChanged in interface RendererChangeListener

Parameters:

event - information about the property change.

getSeriesCount

public int getSeriesCount()

Returns the number of series in the dataset for this plot. If the dataset is null, the method returns 0.

Returns:

The series count.

getLegendItems

public LegendItemCollection getLegendItems()

Returns the legend items for the plot. Each legend item is generated by the plot's m_Renderer, since the m_Renderer is responsible for the visual representation of the data.

Specified by:

getLegendItems in interface LegendItemSource

Overrides:

getLegendItems in class Plot

Returns:

The legend items.

equals

public boolean equals(java.lang.Object obj)

Tests this plot for equality with another object.

Overrides:

equals in class Plot

Parameters:

obj - the object (null permitted).

Returns:

true or false.

clone

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

Returns a clone of the plot.

Specified by:

clone in interface org.jfree.util.PublicCloneable

Overrides:

clone in class Plot

Returns:

A clone.

Throws:

java.lang.CloneNotSupportedException - this can occur if some component of the plot cannot be cloned.

zoomDomainAxes

public void zoomDomainAxes(double factor,
                           PlotRenderingInfo state,
                           java.awt.geom.Point2D source)

This method is required by the Zoomable interface, but since the plot does not have any domain axes, it does nothing.

Specified by:

zoomDomainAxes in interface Zoomable

Parameters:

factor - the zoom factor.

state - the plot state.

source - the source point (in Java2D coordinates).

See Also:

Zoomable.zoomRangeAxes(double, PlotRenderingInfo, Point2D)

zoomDomainAxes

public void zoomDomainAxes(double factor,
                           PlotRenderingInfo state,
                           java.awt.geom.Point2D source,
                           boolean useAnchor)

This method is required by the Zoomable interface, but since the plot does not have any domain axes, it does nothing.

Specified by:

zoomDomainAxes in interface Zoomable

Parameters:

factor - the zoom factor.

state - the plot state.

source - the source point (in Java2D coordinates).

useAnchor - use source point as zoom anchor?

Since:

1.0.7

See Also:

Zoomable.zoomRangeAxes(double, PlotRenderingInfo, Point2D, boolean)

zoomDomainAxes

public void zoomDomainAxes(double lowerPercent,
                           double upperPercent,
                           PlotRenderingInfo state,
                           java.awt.geom.Point2D source)

This method is required by the Zoomable interface, but since the plot does not have any domain axes, it does nothing.

Specified by:

zoomDomainAxes in interface Zoomable

Parameters:

lowerPercent - the new lower bound.

upperPercent - the new upper bound.

state - the plot state.

source - the source point (in Java2D coordinates).

See Also:

Zoomable.zoomRangeAxes(double, double, PlotRenderingInfo, Point2D)

zoomRangeAxes

public void zoomRangeAxes(double factor,
                          PlotRenderingInfo state,
                          java.awt.geom.Point2D source)

Multiplies the range on the range axis/axes by the specified factor.

Specified by:

zoomRangeAxes in interface Zoomable

Parameters:

factor - the zoom factor.

state - the plot state.

source - the source point (in Java2D coordinates).

See Also:

Zoomable.zoomDomainAxes(double, PlotRenderingInfo, Point2D)

zoomRangeAxes

public void zoomRangeAxes(double factor,
                          PlotRenderingInfo info,
                          java.awt.geom.Point2D source,
                          boolean useAnchor)

Multiplies the range on the range axis by the specified factor.

Specified by:

zoomRangeAxes in interface Zoomable

Parameters:

factor - the zoom factor.

info - the plot rendering info.

source - the source point (in Java2D space).

useAnchor - use source point as zoom anchor?

Since:

1.0.7

See Also:

zoomDomainAxes(double, PlotRenderingInfo, Point2D, boolean)

zoomRangeAxes

public void zoomRangeAxes(double lowerPercent,
                          double upperPercent,
                          PlotRenderingInfo state,
                          java.awt.geom.Point2D source)

Zooms in on the range axes.

Specified by:

zoomRangeAxes in interface Zoomable

Parameters:

lowerPercent - the new lower bound.

upperPercent - the new upper bound.

state - the plot state.

source - the source point (in Java2D coordinates).

See Also:

Zoomable.zoomDomainAxes(double, double, PlotRenderingInfo, Point2D)

isDomainZoomable

public boolean isDomainZoomable()

Returns false always.

Specified by:

isDomainZoomable in interface Zoomable

Returns:

false always.

See Also:

Zoomable.isRangeZoomable()

isRangeZoomable

public boolean isRangeZoomable()

Returns true to indicate that the range axis is zoomable.

Specified by:

isRangeZoomable in interface Zoomable

Returns:

true.

See Also:

Zoomable.isDomainZoomable()

getOrientation

public PlotOrientation getOrientation()

Returns the orientation of the plot.

Specified by:

getOrientation in interface Zoomable

Returns:

The orientation.

getMaxRadius

public double getMaxRadius()

Returns the upper bound of the radius axis.

Returns:

The upper bound.

translateValueThetaRadiusToJava2D

public java.awt.Point translateValueThetaRadiusToJava2D(double angleDegrees,
                                                        double radius,
                                                        java.awt.geom.Rectangle2D dataArea)

Translates a (theta, radius) pair into Java2D coordinates. If radius is less than the lower bound of the axis, then this method returns the centre point.

Parameters:

angleDegrees - the angle in degrees.

radius - the radius.

dataArea - the data area.

Returns:

A point in Java2D space.