| java.lang.Object | |
| ↳ | org.jfree.data.general.HeatMapUtilities |
Class Overview
A utility class for the HeatMapDataset.
Summary
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| Public Methods | |||||||||||
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Creates an image that displays the values from the specified dataset.
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Returns a dataset containing one series that holds a copy of the (y, z)
data from one column (x-index) of the specified dataset.
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Returns a dataset containing one series that holds a copy of the (x, z)
data from one row (y-index) of the specified dataset.
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Inherited Methods | |||||||||||
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From class
java.lang.Object
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Public Constructors
public HeatMapUtilities ()
Public Methods
public static BufferedImage createHeatMapImage (HeatMapDataset dataset, PaintScale paintScale)
Creates an image that displays the values from the specified dataset.
Parameters
| dataset | the dataset (null not permitted). |
|---|---|
| paintScale | the paint scale for the z-values (null
not permitted). |
Returns
- A buffered image.
public static XYDataset extractColumnFromHeatMapDataset (HeatMapDataset dataset, int column, Comparable seriesName)
Returns a dataset containing one series that holds a copy of the (y, z) data from one column (x-index) of the specified dataset.
Parameters
| dataset | the dataset (null not permitted). |
|---|---|
| column | the column (x) index. |
| seriesName | the series name (null not permitted). |
Returns
- The dataset.
public static XYDataset extractRowFromHeatMapDataset (HeatMapDataset dataset, int row, Comparable seriesName)
Returns a dataset containing one series that holds a copy of the (x, z) data from one row (y-index) of the specified dataset.
Parameters
| dataset | the dataset (null not permitted). |
|---|---|
| row | the row (y) index. |
| seriesName | the series name/key (null not permitted). |
Returns
- The dataset.