Example usage for org.jfree.data.general HeatMapDataset getXValue

Introduction

In this page you can find the example usage for org.jfree.data.general HeatMapDataset getXValue.

Prototype

public double getXValue(int xIndex);

Source Link

Document

A convenience method that returns the x-value for the given index.

Usage

From source file:org.jfree.data.general.HeatMapUtilities.java

/**
 * Returns a dataset containing one series that holds a copy of the (x, z)
 * data from one row (y-index) of the specified dataset.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param row  the row (y) index.//from   w  ww.j a  v  a  2 s . c  o  m
 * @param seriesName  the series name/key (<code>null</code> not permitted).
 *
 * @return The dataset.
 */
public static XYDataset extractRowFromHeatMapDataset(HeatMapDataset dataset, int row, Comparable seriesName) {
    XYSeries series = new XYSeries(seriesName);
    int cols = dataset.getXSampleCount();
    for (int c = 0; c < cols; c++) {
        series.add(dataset.getXValue(c), dataset.getZValue(c, row));
    }
    XYSeriesCollection result = new XYSeriesCollection(series);
    return result;
}

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