Package org.jfree.chart.plot.dial
Interface DialScale
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- All Superinterfaces:
DialLayer
- All Known Implementing Classes:
StandardDialScale
public interface DialScale extends DialLayer
A dial scale is a specialised layer that has the ability to convert data values into angles.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description double
angleToValue(double angle)
Converts an angle (in degrees) to a data value.double
valueToAngle(double value)
Converts a data value to an angle (in degrees, using the same specification as Java's Arc2D class).-
Methods inherited from interface org.jfree.chart.plot.dial.DialLayer
addChangeListener, draw, hasListener, isClippedToWindow, isVisible, removeChangeListener
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Method Detail
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valueToAngle
double valueToAngle(double value)
Converts a data value to an angle (in degrees, using the same specification as Java's Arc2D class).- Parameters:
value
- the data value.- Returns:
- The angle in degrees.
- See Also:
angleToValue(double)
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angleToValue
double angleToValue(double angle)
Converts an angle (in degrees) to a data value.- Parameters:
angle
- the angle (in degrees).- Returns:
- The data value.
- See Also:
valueToAngle(double)
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