org.jfree.data.general
public abstract class HeatMapUtilities extends Object
Since: 1.0.13
Method Summary | |
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static BufferedImage | createHeatMapImage(HeatMapDataset dataset, PaintScale paintScale)
Creates an image that displays the values from the specified dataset.
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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.
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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.
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Parameters: dataset the dataset (null
not permitted). paintScale the paint scale for the z-values (null
not permitted).
Returns: A buffered image.
Parameters: dataset the dataset (null
not permitted). column the column (x) index. seriesName the series name (null
not permitted).
Returns: The dataset.
Parameters: dataset the dataset (null
not permitted). row the row (y) index. seriesName the series name/key (null
not permitted).
Returns: The dataset.