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| java.lang.Object
 de.progra.charting.Axis
| Axis | | public class Axis (Code) | | The CoordSystem contains two or possibly three Axis objects for the x-axis
and the at most two y-axis.
author:
mueller
version:
1.0 |
| Method Summary | |
| public int | getAlignment()
Returns the alignment of the axis. | | public int | getLength()
Returns length of the axis in pixels. | | public double | getPixelForValue(double value)
Returns the point on the axis for a specific value.
If the axis is a x-axis and the column values are not numeric,
this isn't needed since then the axis can be divided into
equally long parts. | | public double | getPointToPixelRatio()
Returns the ratio between a value unit and the screen pixels. | | public void | setLength(int length)
Sets the Pixel length of the axis. |
| HORIZONTAL | | final public static int HORIZONTAL(Code) | | Defines a horizontal x-axis.
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| LINEAR | | final public static int LINEAR(Code) | | Defines a linear scale.
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| LOGARITHMIC | | final public static int LOGARITHMIC(Code) | | Defines a logarithmic scale.
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| VERTICAL | | final public static int VERTICAL(Code) | | Defines a vertical y-axis.
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| Axis | | public Axis(int align, ChartDataModelConstraints c)(Code) | | Creates new Axis.
Parameters:
align - the alignment of the axis.
Parameters:
c - the ChartDataModelConstraints |
| getAlignment | | public int getAlignment()(Code) | | Returns the alignment of the axis.
the alignment constant: Axis.VERTICAL or Axis.HORIZONTAL |
| getLength | | public int getLength()(Code) | | Returns length of the axis in pixels.
the length in pixels |
| getPixelForValue | | public double getPixelForValue(double value)(Code) | | Returns the point on the axis for a specific value.
If the axis is a x-axis and the column values are not numeric,
this isn't needed since then the axis can be divided into
equally long parts. This is a relative pixel distance to
the starting pixel of the axis.
Parameters:
value - the double value to compute the pixel distance for the pixel distance for the given value relative to the start of the axis |
| getPointToPixelRatio | | public double getPointToPixelRatio()(Code) | | Returns the ratio between a value unit and the screen pixels.
This is only useful for linear scales.
the ratio points / pixel length for the axis. |
| setLength | | public void setLength(int length)(Code) | | Sets the Pixel length of the axis.
Parameters:
length - the length in pixel |
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