org.jfree.data.xy

Interface XYZDataset

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
NumbergetZ(int series, int item)
Returns the z-value for the specified series and item.
doublegetZValue(int series, int item)
Returns the z-value (as a double primitive) for an item within a series.

Method Detail

getZ

public 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).

getZValue

public 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.