Package org.jfree.data.xy
Interface XYZDataset
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- All Superinterfaces:
Dataset
,SeriesDataset
,XYDataset
- All Known Subinterfaces:
IntervalXYZDataset
- All Known Implementing Classes:
AbstractXYZDataset
,DefaultXYZDataset
,MatrixSeriesCollection
public interface XYZDataset extends XYDataset
The interface through which JFreeChart obtains data in the form of (x, y, z) items - used for XY and XYZ plots.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description java.lang.Number
getZ(int series, int item)
Returns the z-value for the specified series and item.double
getZValue(int series, int item)
Returns the z-value (as a double primitive) for an item within a series.-
Methods inherited from interface org.jfree.data.general.Dataset
addChangeListener, getGroup, removeChangeListener, setGroup
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Methods inherited from interface org.jfree.data.general.SeriesDataset
getSeriesCount, getSeriesKey, indexOf
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Methods inherited from interface org.jfree.data.xy.XYDataset
getDomainOrder, getItemCount, getX, getXValue, getY, getYValue
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Method Detail
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getZ
java.lang.Number getZ(int series, int item)
Returns the z-value for the specified series and item.- Parameters:
series
- the series index (zero-based).item
- the item index (zero-based).- Returns:
- The z-value (possibly
null
).
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getZValue
double getZValue(int series, int item)
Returns the z-value (as a double primitive) for an item within a series.- Parameters:
series
- the series (zero-based index).item
- the item (zero-based index).- Returns:
- The z-value.
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