public
interface
DialScale
implements DialLayer| org.jfree.chart.plot.dial.DialScale |
 Known Indirect Subclasses
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Class Overview
A dial scale is a specialised layer that has the ability to convert data values into angles.
Summary
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Converts an angle (in degrees) to a data value.
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Converts a data value to an angle (in degrees, using the same
specification as Java's Arc2D class).
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From interface
org.jfree.chart.plot.dial.DialLayer
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Public Methods
public abstract double angleToValue (double angle)
Converts an angle (in degrees) to a data value.
Parameters
| angle | the angle (in degrees). |
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Returns
- The data value.
See Also
public abstract 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. |
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Returns
- The angle in degrees.