JavaFX 27 · javafx.scene.chart.ValueAxis · APIdia, the JavaDoc alternative

Modifier and Type	Class and Description
private static class	ValueAxis.StyleableProperties

Modifier and Type	Field and Description
protected final DoubleProperty	currentLowerBound The current value for the lowerBound of this axis (minimum value).
pack-priv double	dataMaxValue This is the maximum current data value and it is used while auto ranging.
pack-priv double	dataMinValue This is the minimum current data value and it is used while auto ranging.
private DoubleProperty	lowerBound The value for the lower bound of this axis (minimum value).
private IntegerProperty	minorTickCount The number of minor tick divisions to be displayed between each major tick mark.
private DoubleProperty	minorTickLength The length of minor tick mark lines.
private boolean	minorTickMarksDirty
private List<T>	minorTickMarkValues List of the values at which there are minor ticks
private final Path	minorTickPath
private BooleanProperty	minorTickVisible true if minor tick marks should be displayed
private double	offset
private ReadOnlyDoubleWrapper	scale The scale factor from data units to visual units
private final ObjectProperty<StringConverter<T>>	tickLabelFormatter StringConverter used to format tick mark labels.
private DoubleProperty	upperBound The value for the upper bound of this axis (maximum value).

Access	Constructor and Description
public	ValueAxis() Creates a auto-ranging ValueAxis.
public	ValueAxis(double The lower bound for this axis, i.e. min plottable value lowerBound, double The upper bound for this axis, i.e. max plottable value upperBound) Creates a non-auto-ranging ValueAxis with the given lower and upper bound.

Method Summary

Modifier and Type	Method and Description
protected final Object	Returns: Range information, this is implementation dependent autoRange(double The length of the axis in screen coordinates length) Implements abstract javafx.scene.chart.Axis.autoRange. This calculates the upper and lower bound based on the data provided to invalidateRange() method.
protected Object	Returns: The calculated range autoRange(double The min data value that needs to be plotted on this axis minValue, double The max data value that needs to be plotted on this axis maxValue, double The length of the axis in display coordinates length, double The approximate average size a label takes along the axis labelSize) Called to set the upper and lower bound and anything else that needs to be auto-ranged.
protected abstract List<T>	Returns: List of data values where to draw minor tick marks calculateMinorTickMarks() Calculates a list of the data values for every minor tick mark
protected final double	Returns: new scale to fit the range from lower bound to upper bound in the given display length calculateNewScale(double The display length of the axis length, double The lower bound value lowerBound, double The upper bound value upperBound) Calculates new scale for this axis.
public static List<CssMetaData<? extends Styleable, ?>>	Returns: the `CssMetaData` getClassCssMetaData() Hides javafx.scene.chart.Axis.getClassCssMetaData. Gets the `CssMetaData` associated with this class, which may include the `CssMetaData` of its superclasses.
public List<CssMetaData<? extends Styleable, ?>>	getCssMetaData() Overrides javafx.scene.chart.Axis.getCssMetaData. Implements javafx.css.Styleable.getCssMetaData. This method should delegate to `Node#getClassCssMetaData()` so that a Node's CssMetaData can be accessed without the need for reflection.
public double	Returns: display position getDisplayPosition(T The data value to work out display position for value) Implements abstract javafx.scene.chart.Axis.getDisplayPosition. Gets the display position along this axis for a given value.
public final double	getLowerBound()
public final int	getMinorTickCount()
public final double	getMinorTickLength()
public final double	getScale()
public final StringConverter<T>	getTickLabelFormatter()
public final double	getUpperBound()
public T	Returns: the nearest data value to the given pixel position or null if not on axis; getValueForDisplay(double A pixel position on this axis displayPosition) Implements abstract javafx.scene.chart.Axis.getValueForDisplay. Gets the data value for the given display position on this axis.
public double	Returns: display position or Double.NaN if zero is not in current range; getZeroPosition() Implements abstract javafx.scene.chart.Axis.getZeroPosition. Gets the display position of the zero line along this axis.
public void	invalidateRange(List<T> The current set of all data that needs to be plotted on this axis data) Overrides javafx.scene.chart.Axis.invalidateRange. Called when the data has changed and the range may not be valid anymore.
public final boolean	isMinorTickVisible()
public boolean	Returns: true if the given value is plottable on this axis isValueOnAxis(T The value to check if its on axis value) Implements abstract javafx.scene.chart.Axis.isValueOnAxis. Checks if the given value is plottable on this axis
protected void	layoutChildren() Overrides javafx.scene.chart.Axis.layoutChildren. Invoked during the layout pass to layout this axis and all its content.
public final DoubleProperty	lowerBoundProperty()
public final IntegerProperty	minorTickCountProperty()
public final DoubleProperty	minorTickLengthProperty()
public final BooleanProperty	minorTickVisibleProperty()
public final ReadOnlyDoubleProperty	scaleProperty()
pack-priv ReadOnlyDoubleWrapper	scalePropertyImpl()
public final void	setLowerBound(double value)
public final void	setMinorTickCount(int value)
public final void	setMinorTickLength(double value)
public final void	setMinorTickVisible(boolean value)
protected final void	setScale(double scale)
public final void	setTickLabelFormatter(StringConverter<T> value)
public final void	setUpperBound(double value)
public final ObjectProperty<StringConverter<T>>	tickLabelFormatterProperty()
protected void	tickMarksUpdated() Overrides javafx.scene.chart.Axis.tickMarksUpdated. Called during layout if the tickmarks have been updated, allowing subclasses to do anything they need to in reaction.
public double	Returns: Numeric value for the given data value toNumericValue(T The data value to convert value) Implements abstract javafx.scene.chart.Axis.toNumericValue. All axis values must be representable by some numeric value.
public T	Returns: Data value for given numeric value toRealValue(double The numeric value to convert value) Implements abstract javafx.scene.chart.Axis.toRealValue. All axis values must be representable by some numeric value.
private void	updateMinorTickPath(Side side, double length)
public final DoubleProperty	upperBoundProperty()

Inherited from javafx.scene.chart.Axis:: animatedProperty autoRangingProperty calculateTickValues computePrefHeight computePrefWidth getAnimated getEffectiveSide getEffectiveTickLabelRotation getLabel getRange getSide getTickLabelFill getTickLabelFont getTickLabelGap getTickLabelRotation getTickLength getTickMarkLabel getTickMarks invalidateRange isAutoRanging isRangeValid isTickLabelsVisible isTickMarkVisible labelProperty measureTickMarkLabelSize measureTickMarkSize measureTickMarkSize requestAxisLayout requestLayout setAnimated setAutoRanging setEffectiveOrientation setEffectiveTickLabelRotation setLabel setRange setSide setTickLabelFill setTickLabelFont setTickLabelGap setTickLabelRotation setTickLabelsVisible setTickLength setTickMarkVisible shouldAnimate sideProperty tickLabelFillProperty tickLabelFontProperty tickLabelGapProperty tickLabelRotationProperty tickLabelsVisibleProperty tickLengthProperty tickMarkVisibleProperty

Field Detail

currentLowerBound	back to summary
protected final DoubleProperty currentLowerBound The current value for the lowerBound of this axis (minimum value). This may be the same as lowerBound or different. It is used by NumberAxis to animate the lowerBound from the old value to the new value.

dataMaxValue	back to summary
pack-priv double dataMaxValue This is the maximum current data value and it is used while auto ranging. Package private solely for test purposes

dataMinValue	back to summary
pack-priv double dataMinValue This is the minimum current data value and it is used while auto ranging. Package private solely for test purposes

lowerBound	back to summary
private DoubleProperty lowerBound The value for the lower bound of this axis (minimum value). This is automatically set if auto ranging is on.

minorTickCount	back to summary
private IntegerProperty minorTickCount The number of minor tick divisions to be displayed between each major tick mark. The number of actual minor tick marks will be one less than this.

minorTickLength	back to summary
private DoubleProperty minorTickLength The length of minor tick mark lines. Set to 0 to not display minor tick marks.

minorTickMarksDirty	back to summary
private boolean minorTickMarksDirty

minorTickMarkValues	back to summary
private List<T> minorTickMarkValues List of the values at which there are minor ticks

minorTickPath	back to summary
private final Path minorTickPath

minorTickVisible	back to summary
private BooleanProperty minorTickVisible true if minor tick marks should be displayed

offset	back to summary
private double offset

scale	back to summary
private ReadOnlyDoubleWrapper scale The scale factor from data units to visual units

tickLabelFormatter	back to summary
private final ObjectProperty<StringConverter<T>> tickLabelFormatter StringConverter used to format tick mark labels. If null a default will be used

upperBound	back to summary
private DoubleProperty upperBound The value for the upper bound of this axis (maximum value). This is automatically set if auto ranging is on.

Constructor Detail

ValueAxis	back to summary
public ValueAxis() Creates a auto-ranging ValueAxis.

ValueAxis	back to summary
public ValueAxis(double lowerBound, double upperBound) Creates a non-auto-ranging ValueAxis with the given lower and upper bound. Parameters lowerBound:double The lower bound for this axis, i.e. min plottable value upperBound:double The upper bound for this axis, i.e. max plottable value

ValueAxis

back to summary

public ValueAxis(double lowerBound, double upperBound)

Creates a non-auto-ranging ValueAxis with the given lower and upper bound.

Parameters

lowerBound:double: The lower bound for this axis, i.e. min plottable value
upperBound:double: The upper bound for this axis, i.e. max plottable value

Method Detail

autoRange	back to summary
protected final Object autoRange(double length) Implements abstract javafx.scene.chart.Axis.autoRange. This calculates the upper and lower bound based on the data provided to invalidateRange() method. This must not affect the state of the axis. Any results of the auto-ranging should be returned in the range object. This will we passed to setRange() if it has been decided to adopt this range for this axis. Parameters length:double The length of the axis in screen coordinates Returns:Object Range information, this is implementation dependent Annotations @Override

autoRange

back to summary

protected final Object autoRange(double length)

Implements abstract javafx.scene.chart.Axis.autoRange.

This calculates the upper and lower bound based on the data provided to invalidateRange() method. This must not affect the state of the axis. Any results of the auto-ranging should be returned in the range object. This will we passed to setRange() if it has been decided to adopt this range for this axis.

Parameters

length:double: The length of the axis in screen coordinates

Returns:Object

Range information, this is implementation dependent

Annotations

@Override

autoRange	back to summary
protected Object autoRange(double minValue, double maxValue, double length, double labelSize) Called to set the upper and lower bound and anything else that needs to be auto-ranged. This must not affect the state of the axis. Any results of the auto-ranging should be returned in the range object. This will we passed to setRange() if it has been decided to adopt this range for this axis. Parameters minValue:double The min data value that needs to be plotted on this axis maxValue:double The max data value that needs to be plotted on this axis length:double The length of the axis in display coordinates labelSize:double The approximate average size a label takes along the axis Returns:Object The calculated range

autoRange

back to summary

protected Object autoRange(double minValue, double maxValue, double length, double labelSize)

Called to set the upper and lower bound and anything else that needs to be auto-ranged. This must not affect the state of the axis. Any results of the auto-ranging should be returned in the range object. This will we passed to setRange() if it has been decided to adopt this range for this axis.

Parameters

minValue:double: The min data value that needs to be plotted on this axis
maxValue:double: The max data value that needs to be plotted on this axis
length:double: The length of the axis in display coordinates
labelSize:double: The approximate average size a label takes along the axis

Returns:Object

The calculated range

calculateMinorTickMarks	back to summary
protected abstract List<T> calculateMinorTickMarks() Calculates a list of the data values for every minor tick mark Returns:List<T> List of data values where to draw minor tick marks

calculateMinorTickMarks

back to summary

protected abstract List<T> calculateMinorTickMarks()

Calculates a list of the data values for every minor tick mark

Returns:List<T>: List of data values where to draw minor tick marks

calculateNewScale	back to summary
protected final double calculateNewScale(double length, double lowerBound, double upperBound) Calculates new scale for this axis. This should not affect any properties of this axis. Parameters length:double The display length of the axis lowerBound:double The lower bound value upperBound:double The upper bound value Returns:double new scale to fit the range from lower bound to upper bound in the given display length

calculateNewScale

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protected final double calculateNewScale(double length, double lowerBound, double upperBound)

Calculates new scale for this axis. This should not affect any properties of this axis.

Parameters

length:double: The display length of the axis
lowerBound:double: The lower bound value
upperBound:double: The upper bound value

Returns:double

new scale to fit the range from lower bound to upper bound in the given display length

getClassCssMetaData back to summary

public static List<CssMetaData<? extends Styleable, ?>> getClassCssMetaData()

Hides javafx.scene.chart.Axis.getClassCssMetaData.

Gets the CssMetaData associated with this class, which may include the CssMetaData of its superclasses.

Returns:List<CssMetaData<? extends Styleable, ?>>: the CssMetaData
Since: JavaFX 8.0

getCssMetaData back to summary

public List<CssMetaData<? extends Styleable, ?>> getCssMetaData()

Overrides javafx.scene.chart.Axis.getCssMetaData.

Implements javafx.css.Styleable.getCssMetaData.

Doc from javafx.scene.chart.Axis.getCssMetaData.

This method should delegate to Node#getClassCssMetaData() so that a Node's CssMetaData can be accessed without the need for reflection.

Annotations

@Override

Since

JavaFX 8.0

getDisplayPosition	back to summary
public double getDisplayPosition(T value) Implements abstract javafx.scene.chart.Axis.getDisplayPosition. Gets the display position along this axis for a given value. If the value is not in the current range, the returned value will be an extrapolation of the display position. Parameters value:T The data value to work out display position for Returns:double display position Annotations @Override

getDisplayPosition

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public double getDisplayPosition(T value)

Implements abstract javafx.scene.chart.Axis.getDisplayPosition.

Gets the display position along this axis for a given value. If the value is not in the current range, the returned value will be an extrapolation of the display position.

Parameters

value:T: The data value to work out display position for

Returns:double

display position

Annotations

@Override

getLowerBound	back to summary
public final double getLowerBound()

getMinorTickCount	back to summary
public final int getMinorTickCount()

getMinorTickLength	back to summary
public final double getMinorTickLength()

getScale	back to summary
public final double getScale()

getTickLabelFormatter	back to summary
public final StringConverter<T> getTickLabelFormatter()

getUpperBound	back to summary
public final double getUpperBound()

getValueForDisplay	back to summary
public T getValueForDisplay(double displayPosition) Implements abstract javafx.scene.chart.Axis.getValueForDisplay. Gets the data value for the given display position on this axis. If the axis is a CategoryAxis this will be the nearest value. Parameters displayPosition:double A pixel position on this axis Returns:T the nearest data value to the given pixel position or null if not on axis; Annotations @Override

getValueForDisplay

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public T getValueForDisplay(double displayPosition)

Implements abstract javafx.scene.chart.Axis.getValueForDisplay.

Gets the data value for the given display position on this axis. If the axis is a CategoryAxis this will be the nearest value.

Parameters

displayPosition:double: A pixel position on this axis

Returns:T

the nearest data value to the given pixel position or null if not on axis;

Annotations

@Override

getZeroPosition	back to summary
public double getZeroPosition() Implements abstract javafx.scene.chart.Axis.getZeroPosition. Gets the display position of the zero line along this axis. Returns:double display position or Double.NaN if zero is not in current range; Annotations @Override

getZeroPosition

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public double getZeroPosition()

Implements abstract javafx.scene.chart.Axis.getZeroPosition.

Gets the display position of the zero line along this axis.

Returns:double

display position or Double.NaN if zero is not in current range;

Annotations

@Override

invalidateRange	back to summary
public void invalidateRange(List<T> data) Overrides javafx.scene.chart.Axis.invalidateRange. Called when the data has changed and the range may not be valid anymore. This is only called by the chart if isAutoRanging() returns true. If we are auto ranging it will cause layout to be requested and auto ranging to happen on next layout pass. Parameters data:List<T> The current set of all data that needs to be plotted on this axis Annotations @Override

invalidateRange

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public void invalidateRange(List<T> data)

Overrides javafx.scene.chart.Axis.invalidateRange.

Called when the data has changed and the range may not be valid anymore. This is only called by the chart if isAutoRanging() returns true. If we are auto ranging it will cause layout to be requested and auto ranging to happen on next layout pass.

Parameters

data:List<T>: The current set of all data that needs to be plotted on this axis

Annotations

@Override

isMinorTickVisible	back to summary
public final boolean isMinorTickVisible()

isValueOnAxis	back to summary
public boolean isValueOnAxis(T value) Implements abstract javafx.scene.chart.Axis.isValueOnAxis. Checks if the given value is plottable on this axis Parameters value:T The value to check if its on axis Returns:boolean true if the given value is plottable on this axis Annotations @Override

isValueOnAxis

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public boolean isValueOnAxis(T value)

Implements abstract javafx.scene.chart.Axis.isValueOnAxis.

Checks if the given value is plottable on this axis

Parameters

value:T: The value to check if its on axis

Returns:boolean

true if the given value is plottable on this axis

Annotations

@Override

layoutChildren	back to summary
protected void layoutChildren() Overrides javafx.scene.chart.Axis.layoutChildren. Invoked during the layout pass to layout this axis and all its content. Annotations @Override

layoutChildren

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protected void layoutChildren()

Overrides javafx.scene.chart.Axis.layoutChildren.

Invoked during the layout pass to layout this axis and all its content.

Annotations

@Override

lowerBoundProperty	back to summary
public final DoubleProperty lowerBoundProperty()

minorTickCountProperty	back to summary
public final IntegerProperty minorTickCountProperty()

minorTickLengthProperty	back to summary
public final DoubleProperty minorTickLengthProperty()

minorTickVisibleProperty	back to summary
public final BooleanProperty minorTickVisibleProperty()

scaleProperty	back to summary
public final ReadOnlyDoubleProperty scaleProperty()

scalePropertyImpl	back to summary
pack-priv ReadOnlyDoubleWrapper scalePropertyImpl()

setLowerBound	back to summary
public final void setLowerBound(double value)

setMinorTickCount	back to summary
public final void setMinorTickCount(int value)

setMinorTickLength	back to summary
public final void setMinorTickLength(double value)

setMinorTickVisible	back to summary
public final void setMinorTickVisible(boolean value)

setScale	back to summary
protected final void setScale(double scale)

setTickLabelFormatter	back to summary
public final void setTickLabelFormatter(StringConverter<T> value)

setUpperBound	back to summary
public final void setUpperBound(double value)

tickLabelFormatterProperty	back to summary
public final ObjectProperty<StringConverter<T>> tickLabelFormatterProperty()

tickMarksUpdated

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protected void tickMarksUpdated()

Overrides javafx.scene.chart.Axis.tickMarksUpdated.

Called during layout if the tickmarks have been updated, allowing subclasses to do anything they need to in reaction.

Annotations

@Override

toNumericValue

back to summary

public double toNumericValue(T value)

Implements abstract javafx.scene.chart.Axis.toNumericValue.

All axis values must be representable by some numeric value. This gets the numeric value for a given data value.

Parameters

value:T: The data value to convert

Returns:double

Numeric value for the given data value

Annotations

@Override

toRealValue

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public T toRealValue(double value)

Implements abstract javafx.scene.chart.Axis.toRealValue.

All axis values must be representable by some numeric value. This gets the data value for a given numeric value.

Parameters

value:double: The numeric value to convert

Returns:T

Data value for given numeric value

Annotations

@Override

updateMinorTickPath	back to summary
private void updateMinorTickPath(Side side, double length)

upperBoundProperty	back to summary
public final DoubleProperty upperBoundProperty()

Modifier and Type	Field and Description
private static final CssMetaData<ValueAxis<? extends Number>, Number>	MINOR_TICK_COUNT
private static final CssMetaData<ValueAxis<? extends Number>, Number>	MINOR_TICK_LENGTH
private static final CssMetaData<ValueAxis<? extends Number>, Boolean>	MINOR_TICK_VISIBLE
private static final List<CssMetaData<? extends Styleable, ?>>	STYLEABLES

public abstract Class ValueAxis<T extends Number>

Nested and Inner Type Summary

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Field Detail

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Method Detail

private Class ValueAxis.StyleableProperties

Field Summary

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