java.lang.Object
- org.jfree.chart.axis.Axis

All Implemented Interfaces:

Serializable, Cloneable, ChartElement

Direct Known Subclasses:

CategoryAxis, ValueAxis
```
public abstract class Axis
extends Object
implements ChartElement, Cloneable, Serializable
```
The base class for all axes in JFreeChart. Subclasses are divided into those that display values (ValueAxis) and those that display categories (CategoryAxis).

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type	Field	Description
`static Font`	`DEFAULT_AXIS_LABEL_FONT`	The default axis label font (`Font("SansSerif", Font.PLAIN, 12)`).
`static RectangleInsets`	`DEFAULT_AXIS_LABEL_INSETS`	The default axis label insets (`RectangleInsets(3.0, 3.0, 3.0, 3.0)`).
`static Paint`	`DEFAULT_AXIS_LABEL_PAINT`	The default axis label paint (`Color.BLACK`).
`static Paint`	`DEFAULT_AXIS_LINE_PAINT`	The default axis line paint (`Color.GRAY`).
`static Stroke`	`DEFAULT_AXIS_LINE_STROKE`	The default axis line stroke (`BasicStroke(0.5f)`).
`static boolean`	`DEFAULT_AXIS_VISIBLE`	The default axis visibility (`true`).
`static Font`	`DEFAULT_TICK_LABEL_FONT`	The default tick label font (`Font("SansSerif", Font.PLAIN, 10)`).
`static RectangleInsets`	`DEFAULT_TICK_LABEL_INSETS`	The default tick label insets (`RectangleInsets(2.0, 4.0, 2.0, 4.0)`).
`static Paint`	`DEFAULT_TICK_LABEL_PAINT`	The default tick label paint (`Color.BLACK`).
`static boolean`	`DEFAULT_TICK_LABELS_VISIBLE`	The default tick labels visibility (`true`).
`static float`	`DEFAULT_TICK_MARK_INSIDE_LENGTH`	The default tick mark inside length (`0.0f`).
`static float`	`DEFAULT_TICK_MARK_OUTSIDE_LENGTH`	The default tick mark outside length (`2.0f`).
`static Paint`	`DEFAULT_TICK_MARK_PAINT`	The default tick paint (`Color.GRAY`).
`static Stroke`	`DEFAULT_TICK_MARK_STROKE`	The default tick stroke (`BasicStroke(0.5f)`).
`static boolean`	`DEFAULT_TICK_MARKS_VISIBLE`	The default tick marks visible (`true`).

Constructor Summary

Constructors
Modifier Constructor Description

protected Axis(String label)
Constructs an axis with the specific label and default values for other attributes.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addChangeListener(AxisChangeListener listener)`	Registers an object for notification of changes to the axis.
`Object`	`clone()`	Returns a clone of the axis.
`abstract void`	`configure()`	Configures the axis to work with the current plot.
`protected void`	`createAndAddEntity(double cursor, AxisState state, Rectangle2D dataArea, RectangleEdge edge, PlotRenderingInfo plotState)`	Creates an entity for the axis and adds it to the rendering info.
`AttributedString`	`createAttributedLabel(String label)`	Creates and returns an `AttributedString` with the specified text and the labelFont and labelPaint applied as attributes.
`abstract AxisState`	`draw(Graphics2D g2, double cursor, Rectangle2D plotArea, Rectangle2D dataArea, RectangleEdge edge, PlotRenderingInfo plotState)`	Draws the axis on a Java 2D graphics device (such as the screen or a printer).
`protected AxisState`	`drawAttributedLabel(AttributedString label, Graphics2D g2, Rectangle2D plotArea, Rectangle2D dataArea, RectangleEdge edge, AxisState state)`	Draws the axis label.
`protected void`	`drawAxisLine(Graphics2D g2, double cursor, Rectangle2D dataArea, RectangleEdge edge)`	Draws an axis line at the current cursor position and edge.
`protected AxisState`	`drawLabel(String label, Graphics2D g2, Rectangle2D plotArea, Rectangle2D dataArea, RectangleEdge edge, AxisState state)`	Draws the axis label.
`boolean`	`equals(Object obj)`	Tests this axis for equality with another object.
`protected void`	`fireChangeEvent()`	Sends an `AxisChangeEvent` to all registered listeners.
`AttributedString`	`getAttributedLabel()`	Returns the attributed label (the returned value is a copy, so modifying it will not impact the state of the axis).
`Paint`	`getAxisLinePaint()`	Returns the paint used to draw the axis line.
`Stroke`	`getAxisLineStroke()`	Returns the stroke used to draw the axis line.
`double`	`getFixedDimension()`	Returns the fixed dimension for the axis.
`String`	`getLabel()`	Returns the label for the axis.
`double`	`getLabelAngle()`	Returns the angle of the axis label.
`protected Rectangle2D`	`getLabelEnclosure(Graphics2D g2, RectangleEdge edge)`	Returns a rectangle that encloses the axis label.
`Font`	`getLabelFont()`	Returns the font for the axis label.
`RectangleInsets`	`getLabelInsets()`	Returns the insets for the label (that is, the amount of blank space that should be left around the label).
`AxisLabelLocation`	`getLabelLocation()`	Returns the location of the axis label.
`Paint`	`getLabelPaint()`	Returns the color/shade used to draw the axis label.
`float`	`getMinorTickMarkInsideLength()`	Returns the inside length of the minor tick marks.
`float`	`getMinorTickMarkOutsideLength()`	Returns the outside length of the minor tick marks.
`Plot`	`getPlot()`	Returns the plot that the axis is assigned to.
`Font`	`getTickLabelFont()`	Returns the font used for the tick labels (if showing).
`RectangleInsets`	`getTickLabelInsets()`	Returns the insets for the tick labels.
`Paint`	`getTickLabelPaint()`	Returns the color/shade used for the tick labels.
`float`	`getTickMarkInsideLength()`	Returns the inside length of the tick marks.
`float`	`getTickMarkOutsideLength()`	Returns the outside length of the tick marks.
`Paint`	`getTickMarkPaint()`	Returns the paint used to draw tick marks (if they are showing).
`Stroke`	`getTickMarkStroke()`	Returns the stroke used to draw tick marks.
`int`	`hashCode()`	Returns a hash code for this instance.
`boolean`	`hasListener(EventListener listener)`	Returns `true` if the specified object is registered with the dataset as a listener.
`boolean`	`isAxisLineVisible()`	A flag that controls whether or not the axis line is drawn.
`boolean`	`isMinorTickMarksVisible()`	Returns the flag that indicates whether or not the minor tick marks are showing.
`boolean`	`isTickLabelsVisible()`	Returns a flag indicating whether or not the tick labels are visible.
`boolean`	`isTickMarksVisible()`	Returns the flag that indicates whether or not the tick marks are showing.
`boolean`	`isVisible()`	Returns `true` if the axis is visible, and `false` otherwise.
`protected TextAnchor`	`labelAnchorH(AxisLabelLocation location)`	Returns the appropriate horizontal text anchor for the specified axis location.
`protected TextAnchor`	`labelAnchorV(AxisLabelLocation location)`	Returns the appropriate vertical text anchor for the specified axis location.
`protected double`	`labelLocationX(AxisLabelLocation location, Rectangle2D dataArea)`	Returns the x-coordinate for the point to which the axis label should be aligned.
`protected double`	`labelLocationY(AxisLabelLocation location, Rectangle2D dataArea)`	Returns the y-coordinate for the point to which the axis label should be aligned.
`protected void`	`notifyListeners(AxisChangeEvent event)`	Notifies all registered listeners that the axis has changed.
`void`	`receive(ChartElementVisitor visitor)`	Receives a chart element visitor.
`abstract List`	`refreshTicks(Graphics2D g2, AxisState state, Rectangle2D dataArea, RectangleEdge edge)`	Calculates the positions of the ticks for the axis, storing the results in the tick list (ready for drawing).
`void`	`removeChangeListener(AxisChangeListener listener)`	Deregisters an object for notification of changes to the axis.
`abstract AxisSpace`	`reserveSpace(Graphics2D g2, Plot plot, Rectangle2D plotArea, RectangleEdge edge, AxisSpace space)`	Estimates the space (height or width) required to draw the axis.
`void`	`setAttributedLabel(String label)`	Sets the attributed label for the axis and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setAttributedLabel(AttributedString label)`	Sets the attributed label for the axis and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setAxisLinePaint(Paint paint)`	Sets the paint used to draw the axis line and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setAxisLineStroke(Stroke stroke)`	Sets the stroke used to draw the axis line and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setAxisLineVisible(boolean visible)`	Sets a flag that controls whether or not the axis line is visible and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setFixedDimension(double dimension)`	Sets the fixed dimension for the axis.
`void`	`setLabel(String label)`	Sets the label for the axis and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setLabelAngle(double angle)`	Sets the angle for the label and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setLabelFont(Font font)`	Sets the font for the axis label and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setLabelInsets(RectangleInsets insets)`	Sets the insets for the axis label, and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setLabelInsets(RectangleInsets insets, boolean notify)`	Sets the insets for the axis label, and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setLabelLocation(AxisLabelLocation location)`	Sets the axis label location and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setLabelPaint(Paint paint)`	Sets the paint used to draw the axis label and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setMinorTickMarkInsideLength(float length)`	Sets the inside length of the minor tick marks and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setMinorTickMarkOutsideLength(float length)`	Sets the outside length of the minor tick marks and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setMinorTickMarksVisible(boolean flag)`	Sets the flag that indicates whether or not the minor tick marks are showing and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setPlot(Plot plot)`	Sets a reference to the plot that the axis is assigned to.
`void`	`setTickLabelFont(Font font)`	Sets the font for the tick labels and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setTickLabelInsets(RectangleInsets insets)`	Sets the insets for the tick labels and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setTickLabelPaint(Paint paint)`	Sets the paint used to draw tick labels (if they are showing) and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setTickLabelsVisible(boolean flag)`	Sets the flag that determines whether or not the tick labels are visible and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setTickMarkInsideLength(float length)`	Sets the inside length of the tick marks and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setTickMarkOutsideLength(float length)`	Sets the outside length of the tick marks and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setTickMarkPaint(Paint paint)`	Sets the paint used to draw tick marks and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setTickMarkStroke(Stroke stroke)`	Sets the stroke used to draw tick marks and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setTickMarksVisible(boolean flag)`	Sets the flag that indicates whether or not the tick marks are showing and sends an `AxisChangeEvent` to all registered listeners.
`void`	`setVisible(boolean flag)`	Sets a flag that controls whether or not the axis is visible and sends an `AxisChangeEvent` to all registered listeners.

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

- Field Detail
  - DEFAULT_AXIS_VISIBLE
```
public static final boolean DEFAULT_AXIS_VISIBLE
```
    The default axis visibility (true).
    
    See Also:
    
    Constant Field Values
  - DEFAULT_AXIS_LABEL_FONT
```
public static final Font DEFAULT_AXIS_LABEL_FONT
```
    The default axis label font (Font("SansSerif", Font.PLAIN, 12)).
  - DEFAULT_AXIS_LABEL_PAINT
```
public static final Paint DEFAULT_AXIS_LABEL_PAINT
```
    The default axis label paint (Color.BLACK).
  - DEFAULT_AXIS_LABEL_INSETS
```
public static final RectangleInsets DEFAULT_AXIS_LABEL_INSETS
```
    The default axis label insets (RectangleInsets(3.0, 3.0, 3.0, 3.0)).
  - DEFAULT_AXIS_LINE_PAINT
```
public static final Paint DEFAULT_AXIS_LINE_PAINT
```
    The default axis line paint (Color.GRAY).
  - DEFAULT_AXIS_LINE_STROKE
```
public static final Stroke DEFAULT_AXIS_LINE_STROKE
```
    The default axis line stroke (BasicStroke(0.5f)).
  - DEFAULT_TICK_LABELS_VISIBLE
```
public static final boolean DEFAULT_TICK_LABELS_VISIBLE
```
    The default tick labels visibility (true).
    
    See Also:
    
    Constant Field Values
  - DEFAULT_TICK_LABEL_FONT
```
public static final Font DEFAULT_TICK_LABEL_FONT
```
    The default tick label font (Font("SansSerif", Font.PLAIN, 10)).
  - DEFAULT_TICK_LABEL_PAINT
```
public static final Paint DEFAULT_TICK_LABEL_PAINT
```
    The default tick label paint (Color.BLACK).
  - DEFAULT_TICK_LABEL_INSETS
```
public static final RectangleInsets DEFAULT_TICK_LABEL_INSETS
```
    The default tick label insets (RectangleInsets(2.0, 4.0, 2.0, 4.0)).
  - DEFAULT_TICK_MARKS_VISIBLE
```
public static final boolean DEFAULT_TICK_MARKS_VISIBLE
```
    The default tick marks visible (true).
    
    See Also:
    
    Constant Field Values
  - DEFAULT_TICK_MARK_STROKE
```
public static final Stroke DEFAULT_TICK_MARK_STROKE
```
    The default tick stroke (BasicStroke(0.5f)).
  - DEFAULT_TICK_MARK_PAINT
```
public static final Paint DEFAULT_TICK_MARK_PAINT
```
    The default tick paint (Color.GRAY).
  - DEFAULT_TICK_MARK_INSIDE_LENGTH
```
public static final float DEFAULT_TICK_MARK_INSIDE_LENGTH
```
    The default tick mark inside length (0.0f).
    
    See Also:
    
    Constant Field Values
  - DEFAULT_TICK_MARK_OUTSIDE_LENGTH
```
public static final float DEFAULT_TICK_MARK_OUTSIDE_LENGTH
```
    The default tick mark outside length (2.0f).
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - Axis
```
protected Axis(String label)
```
    Constructs an axis with the specific label and default values for other attributes.
    
    Parameters:
    
    label - the axis label (null permitted).
- Method Detail
  - isVisible
```
public boolean isVisible()
```
    Returns true if the axis is visible, and false otherwise.
    
    Returns:
    
    A boolean.
    
    See Also:
    
    setVisible(boolean)
  - setVisible
```
public void setVisible(boolean flag)
```
    Sets a flag that controls whether or not the axis is visible and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    flag - the flag.
    
    See Also:
    
    isVisible()
  - getLabel
```
public String getLabel()
```
    Returns the label for the axis.
    
    Returns:
    
    The label for the axis (null possible).
    
    See Also:
    
    getLabelFont(), getLabelPaint(), setLabel(String)
  - setLabel
```
public void setLabel(String label)
```
    Sets the label for the axis and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    label - the new label (null permitted).
    
    See Also:
    
    getLabel(), setLabelFont(Font), setLabelPaint(Paint)
  - getAttributedLabel
```
public AttributedString getAttributedLabel()
```
    Returns the attributed label (the returned value is a copy, so modifying it will not impact the state of the axis). The default value is null.
    
    Returns:
    
    The attributed label (possibly null).
  - setAttributedLabel
```
public void setAttributedLabel(String label)
```
    Sets the attributed label for the axis and sends an AxisChangeEvent to all registered listeners. This is a convenience method that converts the string into an AttributedString using the current font attributes.
    
    Parameters:
    
    label - the label (null permitted).
  - setAttributedLabel
```
public void setAttributedLabel(AttributedString label)
```
    Sets the attributed label for the axis and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    label - the label (null permitted).
  - createAttributedLabel
```
public AttributedString createAttributedLabel(String label)
```
    Creates and returns an AttributedString with the specified text and the labelFont and labelPaint applied as attributes.
    
    Parameters:
    
    label - the label (null permitted).
    
    Returns:
    
    An attributed string or null.
  - getLabelFont
```
public Font getLabelFont()
```
    Returns the font for the axis label.
    
    Returns:
    
    The font (never null).
    
    See Also:
    
    setLabelFont(Font)
  - setLabelFont
```
public void setLabelFont(Font font)
```
    Sets the font for the axis label and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    font - the font (null not permitted).
    
    See Also:
    
    getLabelFont()
  - getLabelPaint
```
public Paint getLabelPaint()
```
    Returns the color/shade used to draw the axis label.
    
    Returns:
    
    The paint (never null).
    
    See Also:
    
    setLabelPaint(Paint)
  - setLabelPaint
```
public void setLabelPaint(Paint paint)
```
    Sets the paint used to draw the axis label and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    paint - the paint (null not permitted).
    
    See Also:
    
    getLabelPaint()
  - getLabelInsets
```
public RectangleInsets getLabelInsets()
```
    Returns the insets for the label (that is, the amount of blank space that should be left around the label).
    
    Returns:
    
    The label insets (never null).
    
    See Also:
    
    setLabelInsets(RectangleInsets)
  - setLabelInsets
```
public void setLabelInsets(RectangleInsets insets)
```
    Sets the insets for the axis label, and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    insets - the insets (null not permitted).
    
    See Also:
    
    getLabelInsets()
  - setLabelInsets
```
public void setLabelInsets(RectangleInsets insets,
                           boolean notify)
```
    Sets the insets for the axis label, and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    insets - the insets (null not permitted).
    
    notify - notify listeners?
  - getLabelAngle
```
public double getLabelAngle()
```
    Returns the angle of the axis label.
    
    Returns:
    
    The angle (in radians).
    
    See Also:
    
    setLabelAngle(double)
  - setLabelAngle
```
public void setLabelAngle(double angle)
```
    Sets the angle for the label and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    angle - the angle (in radians).
    
    See Also:
    
    getLabelAngle()
  - getLabelLocation
```
public AxisLabelLocation getLabelLocation()
```
    Returns the location of the axis label. The default is AxisLabelLocation.MIDDLE.
    
    Returns:
    
    The location of the axis label (never null).
  - setLabelLocation
```
public void setLabelLocation(AxisLabelLocation location)
```
    Sets the axis label location and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    location - the new location (null not permitted).
  - isAxisLineVisible
```
public boolean isAxisLineVisible()
```
    A flag that controls whether or not the axis line is drawn.
    
    Returns:
    
    A boolean.
    
    See Also:
    
    getAxisLinePaint(), getAxisLineStroke(), setAxisLineVisible(boolean)
  - setAxisLineVisible
```
public void setAxisLineVisible(boolean visible)
```
    Sets a flag that controls whether or not the axis line is visible and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    visible - the flag.
    
    See Also:
    
    isAxisLineVisible(), setAxisLinePaint(Paint), setAxisLineStroke(Stroke)
  - getAxisLinePaint
```
public Paint getAxisLinePaint()
```
    Returns the paint used to draw the axis line.
    
    Returns:
    
    The paint (never null).
    
    See Also:
    
    setAxisLinePaint(Paint)
  - setAxisLinePaint
```
public void setAxisLinePaint(Paint paint)
```
    Sets the paint used to draw the axis line and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    paint - the paint (null not permitted).
    
    See Also:
    
    getAxisLinePaint()
  - getAxisLineStroke
```
public Stroke getAxisLineStroke()
```
    Returns the stroke used to draw the axis line.
    
    Returns:
    
    The stroke (never null).
    
    See Also:
    
    setAxisLineStroke(Stroke)
  - setAxisLineStroke
```
public void setAxisLineStroke(Stroke stroke)
```
    Sets the stroke used to draw the axis line and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    stroke - the stroke (null not permitted).
    
    See Also:
    
    getAxisLineStroke()
  - isTickLabelsVisible
```
public boolean isTickLabelsVisible()
```
    Returns a flag indicating whether or not the tick labels are visible.
    
    Returns:
    
    The flag.
    
    See Also:
    
    getTickLabelFont(), getTickLabelPaint(), setTickLabelsVisible(boolean)
  - setTickLabelsVisible
```
public void setTickLabelsVisible(boolean flag)
```
    Sets the flag that determines whether or not the tick labels are visible and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    flag - the flag.
    
    See Also:
    
    isTickLabelsVisible(), setTickLabelFont(Font), setTickLabelPaint(Paint)
  - isMinorTickMarksVisible
```
public boolean isMinorTickMarksVisible()
```
    Returns the flag that indicates whether or not the minor tick marks are showing.
    
    Returns:
    
    The flag that indicates whether or not the minor tick marks are showing.
    
    See Also:
    
    setMinorTickMarksVisible(boolean)
  - setMinorTickMarksVisible
```
public void setMinorTickMarksVisible(boolean flag)
```
    Sets the flag that indicates whether or not the minor tick marks are showing and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    flag - the flag.
    
    See Also:
    
    isMinorTickMarksVisible()
  - getTickLabelFont
```
public Font getTickLabelFont()
```
    Returns the font used for the tick labels (if showing).
    
    Returns:
    
    The font (never null).
    
    See Also:
    
    setTickLabelFont(Font)
  - setTickLabelFont
```
public void setTickLabelFont(Font font)
```
    Sets the font for the tick labels and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    font - the font (null not allowed).
    
    See Also:
    
    getTickLabelFont()
  - getTickLabelPaint
```
public Paint getTickLabelPaint()
```
    Returns the color/shade used for the tick labels.
    
    Returns:
    
    The paint used for the tick labels.
    
    See Also:
    
    setTickLabelPaint(Paint)
  - setTickLabelPaint
```
public void setTickLabelPaint(Paint paint)
```
    Sets the paint used to draw tick labels (if they are showing) and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    paint - the paint (null not permitted).
    
    See Also:
    
    getTickLabelPaint()
  - getTickLabelInsets
```
public RectangleInsets getTickLabelInsets()
```
    Returns the insets for the tick labels.
    
    Returns:
    
    The insets (never null).
    
    See Also:
    
    setTickLabelInsets(RectangleInsets)
  - setTickLabelInsets
```
public void setTickLabelInsets(RectangleInsets insets)
```
    Sets the insets for the tick labels and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    insets - the insets (null not permitted).
    
    See Also:
    
    getTickLabelInsets()
  - isTickMarksVisible
```
public boolean isTickMarksVisible()
```
    Returns the flag that indicates whether or not the tick marks are showing.
    
    Returns:
    
    The flag that indicates whether or not the tick marks are showing.
    
    See Also:
    
    setTickMarksVisible(boolean)
  - setTickMarksVisible
```
public void setTickMarksVisible(boolean flag)
```
    Sets the flag that indicates whether or not the tick marks are showing and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    flag - the flag.
    
    See Also:
    
    isTickMarksVisible()
  - getTickMarkInsideLength
```
public float getTickMarkInsideLength()
```
    Returns the inside length of the tick marks.
    
    Returns:
    
    The length.
    
    See Also:
    
    getTickMarkOutsideLength(), setTickMarkInsideLength(float)
  - setTickMarkInsideLength
```
public void setTickMarkInsideLength(float length)
```
    Sets the inside length of the tick marks and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    length - the new length.
    
    See Also:
    
    getTickMarkInsideLength()
  - getTickMarkOutsideLength
```
public float getTickMarkOutsideLength()
```
    Returns the outside length of the tick marks.
    
    Returns:
    
    The length.
    
    See Also:
    
    getTickMarkInsideLength(), setTickMarkOutsideLength(float)
  - setTickMarkOutsideLength
```
public void setTickMarkOutsideLength(float length)
```
    Sets the outside length of the tick marks and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    length - the new length.
    
    See Also:
    
    getTickMarkInsideLength()
  - getTickMarkStroke
```
public Stroke getTickMarkStroke()
```
    Returns the stroke used to draw tick marks.
    
    Returns:
    
    The stroke (never null).
    
    See Also:
    
    setTickMarkStroke(Stroke)
  - setTickMarkStroke
```
public void setTickMarkStroke(Stroke stroke)
```
    Sets the stroke used to draw tick marks and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    stroke - the stroke (null not permitted).
    
    See Also:
    
    getTickMarkStroke()
  - getTickMarkPaint
```
public Paint getTickMarkPaint()
```
    Returns the paint used to draw tick marks (if they are showing).
    
    Returns:
    
    The paint (never null).
    
    See Also:
    
    setTickMarkPaint(Paint)
  - setTickMarkPaint
```
public void setTickMarkPaint(Paint paint)
```
    Sets the paint used to draw tick marks and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    paint - the paint (null not permitted).
    
    See Also:
    
    getTickMarkPaint()
  - getMinorTickMarkInsideLength
```
public float getMinorTickMarkInsideLength()
```
    Returns the inside length of the minor tick marks.
    
    Returns:
    
    The length.
    
    See Also:
    
    getMinorTickMarkOutsideLength(), setMinorTickMarkInsideLength(float)
  - setMinorTickMarkInsideLength
```
public void setMinorTickMarkInsideLength(float length)
```
    Sets the inside length of the minor tick marks and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    length - the new length.
    
    See Also:
    
    getMinorTickMarkInsideLength()
  - getMinorTickMarkOutsideLength
```
public float getMinorTickMarkOutsideLength()
```
    Returns the outside length of the minor tick marks.
    
    Returns:
    
    The length.
    
    See Also:
    
    getMinorTickMarkInsideLength(), setMinorTickMarkOutsideLength(float)
  - setMinorTickMarkOutsideLength
```
public void setMinorTickMarkOutsideLength(float length)
```
    Sets the outside length of the minor tick marks and sends an AxisChangeEvent to all registered listeners.
    
    Parameters:
    
    length - the new length.
    
    See Also:
    
    getMinorTickMarkInsideLength()
  - getPlot
```
public Plot getPlot()
```
    Returns the plot that the axis is assigned to. This method will return null if the axis is not currently assigned to a plot.
    
    Returns:
    
    The plot that the axis is assigned to (possibly null).
    
    See Also:
    
    setPlot(Plot)
  - setPlot
```
public void setPlot(Plot plot)
```
    Sets a reference to the plot that the axis is assigned to.
    This method is used internally, you shouldn't need to call it yourself.
    
    Parameters:
    
    plot - the plot.
    
    See Also:
    
    getPlot()
  - getFixedDimension
```
public double getFixedDimension()
```
    Returns the fixed dimension for the axis.
    
    Returns:
    
    The fixed dimension.
    
    See Also:
    
    setFixedDimension(double)
  - setFixedDimension
```
public void setFixedDimension(double dimension)
```
    Sets the fixed dimension for the axis.
    This is used when combining more than one plot on a chart. In this case, there may be several axes that need to have the same height or width so that they are aligned. This method is used to fix a dimension for the axis (the context determines whether the dimension is horizontal or vertical).
    
    Parameters:
    
    dimension - the fixed dimension.
    
    See Also:
    
    getFixedDimension()
  - configure
```
public abstract void configure()
```
    Configures the axis to work with the current plot. Override this method to perform any special processing (such as auto-rescaling).
  - reserveSpace
```
public abstract AxisSpace reserveSpace(Graphics2D g2,
                                       Plot plot,
                                       Rectangle2D plotArea,
                                       RectangleEdge edge,
                                       AxisSpace space)
```
    Estimates the space (height or width) required to draw the axis.
    
    Parameters:
    
    g2 - the graphics device.
    
    plot - the plot that the axis belongs to.
    
    plotArea - the area within which the plot (including axes) should be drawn.
    
    edge - the axis location.
    
    space - space already reserved.
    
    Returns:
    
    The space required to draw the axis (including pre-reserved space).
  - receive
```
public void receive(ChartElementVisitor visitor)
```
    Receives a chart element visitor. Many plot subclasses will override this method to handle their subcomponents.
    
    Specified by:
    
    receive in interface ChartElement
    
    Parameters:
    
    visitor - the visitor (null not permitted).
  - draw
```
public abstract AxisState draw(Graphics2D g2,
                               double cursor,
                               Rectangle2D plotArea,
                               Rectangle2D dataArea,
                               RectangleEdge edge,
                               PlotRenderingInfo plotState)
```
    Draws the axis on a Java 2D graphics device (such as the screen or a printer).
    
    Parameters:
    
    g2 - the graphics device (null not permitted).
    
    cursor - the cursor location (determines where to draw the axis).
    
    plotArea - the area within which the axes and plot should be drawn.
    
    dataArea - the area within which the data should be drawn.
    
    edge - the axis location (null not permitted).
    
    plotState - collects information about the plot (null permitted).
    
    Returns:
    
    The axis state (never null).
  - refreshTicks
```
public abstract List refreshTicks(Graphics2D g2,
                                  AxisState state,
                                  Rectangle2D dataArea,
                                  RectangleEdge edge)
```
    Calculates the positions of the ticks for the axis, storing the results in the tick list (ready for drawing).
    
    Parameters:
    
    g2 - the graphics device.
    
    state - the axis state.
    
    dataArea - the area inside the axes.
    
    edge - the edge on which the axis is located.
    
    Returns:
    
    The list of ticks.
  - createAndAddEntity
```
protected void createAndAddEntity(double cursor,
                                  AxisState state,
                                  Rectangle2D dataArea,
                                  RectangleEdge edge,
                                  PlotRenderingInfo plotState)
```
    Creates an entity for the axis and adds it to the rendering info. If plotState is null, this means that rendering info is not being collected so this method simply returns without doing anything.
    
    Parameters:
    
    cursor - the initial cursor value.
    
    state - the axis state after completion of the drawing with a possibly updated cursor position.
    
    dataArea - the data area.
    
    edge - the edge (null not permitted).
    
    plotState - the PlotRenderingInfo from which a reference to the entity collection can be obtained (null permitted).
  - addChangeListener
```
public void addChangeListener(AxisChangeListener listener)
```
    Registers an object for notification of changes to the axis.
    
    Parameters:
    
    listener - the object that is being registered.
    
    See Also:
    
    removeChangeListener(AxisChangeListener)
  - removeChangeListener
```
public void removeChangeListener(AxisChangeListener listener)
```
    Deregisters an object for notification of changes to the axis.
    
    Parameters:
    
    listener - the object to deregister.
    
    See Also:
    
    addChangeListener(AxisChangeListener)
  - hasListener
```
public boolean hasListener(EventListener listener)
```
    Returns true if the specified object is registered with the dataset as a listener. Most applications won't need to call this method, it exists mainly for use by unit testing code.
    
    Parameters:
    
    listener - the listener.
    
    Returns:
    
    A boolean.
  - notifyListeners
```
protected void notifyListeners(AxisChangeEvent event)
```
    Notifies all registered listeners that the axis has changed. The AxisChangeEvent provides information about the change.
    
    Parameters:
    
    event - information about the change to the axis.
  - fireChangeEvent
```
protected void fireChangeEvent()
```
    Sends an AxisChangeEvent to all registered listeners.
  - getLabelEnclosure
```
protected Rectangle2D getLabelEnclosure(Graphics2D g2,
                                        RectangleEdge edge)
```
    Returns a rectangle that encloses the axis label. This is typically used for layout purposes (it gives the maximum dimensions of the label).
    
    Parameters:
    
    g2 - the graphics device.
    
    edge - the edge of the plot area along which the axis is measuring.
    
    Returns:
    
    The enclosing rectangle.
  - labelLocationX
```
protected double labelLocationX(AxisLabelLocation location,
                                Rectangle2D dataArea)
```
    Returns the x-coordinate for the point to which the axis label should be aligned.
    
    Parameters:
    
    location - the axis label location (null not permitted).
    
    dataArea - the display area in which the data will be rendered (null not permitted).
    
    Returns:
    
    The x-coordinate.
  - labelLocationY
```
protected double labelLocationY(AxisLabelLocation location,
                                Rectangle2D dataArea)
```
    Returns the y-coordinate for the point to which the axis label should be aligned.
    
    Parameters:
    
    location - the location (null not permitted).
    
    dataArea - the data area (null not permitted).
    
    Returns:
    
    The y-coordinate.
  - labelAnchorH
```
protected TextAnchor labelAnchorH(AxisLabelLocation location)
```
    Returns the appropriate horizontal text anchor for the specified axis location.
    
    Parameters:
    
    location - the location (null not permitted).
    
    Returns:
    
    The text anchor (never null).
  - labelAnchorV
```
protected TextAnchor labelAnchorV(AxisLabelLocation location)
```
    Returns the appropriate vertical text anchor for the specified axis location.
    
    Parameters:
    
    location - the location (null not permitted).
    
    Returns:
    
    The text anchor (never null).
  - drawLabel
```
protected AxisState drawLabel(String label,
                              Graphics2D g2,
                              Rectangle2D plotArea,
                              Rectangle2D dataArea,
                              RectangleEdge edge,
                              AxisState state)
```
    Draws the axis label.
    
    Parameters:
    
    label - the label text.
    
    g2 - the graphics device.
    
    plotArea - the plot area.
    
    dataArea - the area inside the axes.
    
    edge - the location of the axis.
    
    state - the axis state (null not permitted).
    
    Returns:
    
    Information about the axis.
  - drawAttributedLabel
```
protected AxisState drawAttributedLabel(AttributedString label,
                                        Graphics2D g2,
                                        Rectangle2D plotArea,
                                        Rectangle2D dataArea,
                                        RectangleEdge edge,
                                        AxisState state)
```
    Draws the axis label.
    
    Parameters:
    
    label - the label text.
    
    g2 - the graphics device.
    
    plotArea - the plot area.
    
    dataArea - the area inside the axes.
    
    edge - the location of the axis.
    
    state - the axis state (null not permitted).
    
    Returns:
    
    Information about the axis.
  - drawAxisLine
```
protected void drawAxisLine(Graphics2D g2,
                            double cursor,
                            Rectangle2D dataArea,
                            RectangleEdge edge)
```
    Draws an axis line at the current cursor position and edge.
    
    Parameters:
    
    g2 - the graphics device.
    
    cursor - the cursor position.
    
    dataArea - the data area.
    
    edge - the edge.
  - clone
```
public Object clone()
             throws CloneNotSupportedException
```
    Returns a clone of the axis.
    
    Overrides:
    
    clone in class Object
    
    Returns:
    
    A clone.
    
    Throws:
    
    CloneNotSupportedException - if some component of the axis does not support cloning.
  - equals
```
public boolean equals(Object obj)
```
    Tests this axis for equality with another object.
    
    Overrides:
    
    equals in class Object
    
    Parameters:
    
    obj - the object (null permitted).
    
    Returns:
    
    true or false.
  - hashCode
```
public int hashCode()
```
    Returns a hash code for this instance.
    
    Overrides:
    
    hashCode in class Object
    
    Returns:
    
    A hash code.

Class Axis

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

DEFAULT_AXIS_VISIBLE

DEFAULT_AXIS_LABEL_FONT

DEFAULT_AXIS_LABEL_PAINT

DEFAULT_AXIS_LABEL_INSETS

DEFAULT_AXIS_LINE_PAINT

DEFAULT_AXIS_LINE_STROKE

DEFAULT_TICK_LABELS_VISIBLE

DEFAULT_TICK_LABEL_FONT

DEFAULT_TICK_LABEL_PAINT

DEFAULT_TICK_LABEL_INSETS

DEFAULT_TICK_MARKS_VISIBLE

DEFAULT_TICK_MARK_STROKE

DEFAULT_TICK_MARK_PAINT

DEFAULT_TICK_MARK_INSIDE_LENGTH

DEFAULT_TICK_MARK_OUTSIDE_LENGTH

Constructor Detail

Axis

Method Detail

isVisible

setVisible

getLabel

setLabel

getAttributedLabel

setAttributedLabel

setAttributedLabel

createAttributedLabel

getLabelFont

setLabelFont

getLabelPaint

setLabelPaint

getLabelInsets

setLabelInsets

setLabelInsets

getLabelAngle

setLabelAngle

getLabelLocation

setLabelLocation

isAxisLineVisible

setAxisLineVisible

getAxisLinePaint

setAxisLinePaint

getAxisLineStroke

setAxisLineStroke

isTickLabelsVisible

setTickLabelsVisible

isMinorTickMarksVisible

setMinorTickMarksVisible

getTickLabelFont

setTickLabelFont

getTickLabelPaint

setTickLabelPaint

getTickLabelInsets

setTickLabelInsets

isTickMarksVisible

setTickMarksVisible

getTickMarkInsideLength

setTickMarkInsideLength

getTickMarkOutsideLength

setTickMarkOutsideLength

getTickMarkStroke

setTickMarkStroke

getTickMarkPaint

setTickMarkPaint

getMinorTickMarkInsideLength

setMinorTickMarkInsideLength

getMinorTickMarkOutsideLength

setMinorTickMarkOutsideLength

getPlot

setPlot

getFixedDimension

setFixedDimension

configure

reserveSpace

receive