org.jfree.data
Interface XYZDataset
- All Superinterfaces:
- Dataset, SeriesDataset, XYDataset
- All Known Subinterfaces:
- ContourDataset, IntervalXYZDataset
- All Known Implementing Classes:
- AbstractXYZDataset, DefaultContourDataset, 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.
Method Summary |
double |
getZ(int series,
int item)
Returns the z-value (as a double primitive) for an item within a series. |
java.lang.Number |
getZValue(int series,
int item)
Returns the z-value for the specified series and item. |
getZValue
public java.lang.Number getZValue(int series,
int item)
- Returns the z-value for the specified series and item.
- Parameters:
series
- the series (zero-based index).item
- the item (zero-based index).
- Returns:
- The z-value (possibly
null
).
getZ
public double getZ(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.