org.jfree.data
Interface XYZDataset

All Superinterfaces:
Dataset, SeriesDataset, XYDataset
All Known Subinterfaces:
ContourDataset, IntervalXYZDataset
All Known Implementing Classes:
DefaultContourDataset

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.

Author:
David Gilbert

Method Summary
 java.lang.Number getZValue(int series, int item)
          Returns the z-value for the specified series and item.
 
Methods inherited from interface org.jfree.data.XYDataset
getItemCount, getXValue, getYValue
 
Methods inherited from interface org.jfree.data.SeriesDataset
getSeriesCount, getSeriesName
 
Methods inherited from interface org.jfree.data.Dataset
addChangeListener, getGroup, removeChangeListener, setGroup
 

Method Detail

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 for the specified series and item.