Example usage for org.jfree.data.xy XYZDataset indexOf

Introduction

In this page you can find the example usage for org.jfree.data.xy XYZDataset indexOf.

Prototype

public int indexOf(Comparable seriesKey);

Source Link

Document

Returns the index of the series with the specified key, or -1 if there is no such series in the dataset.

Usage

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

/**
 * Returns the range of z-values in the specified dataset for the
 * data items belonging to the visible series and with x-values in the
 * given range./*from   w ww.  ja  v a 2 s. com*/
 *
 * @param dataset  the dataset ({@code null} not permitted).
 * @param visibleSeriesKeys  the visible series keys ({@code null} not
 *     permitted).
 * @param xRange  the x-range ({@code null} not permitted).
 * @param includeInterval  a flag that determines whether or not the
 *     z-interval for the dataset is included (this only applies if the
 *     dataset has an interval, which is currently not supported).
 *
 * @return The y-range (possibly {@code null}).
 */
public static Range iterateToFindZBounds(XYZDataset dataset, List visibleSeriesKeys, Range xRange,
        boolean includeInterval) {
    Args.nullNotPermitted(dataset, "dataset");
    Args.nullNotPermitted(visibleSeriesKeys, "visibleSeriesKeys");
    Args.nullNotPermitted(xRange, "xRange");

    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;

    Iterator iterator = visibleSeriesKeys.iterator();
    while (iterator.hasNext()) {
        Comparable seriesKey = (Comparable) iterator.next();
        int series = dataset.indexOf(seriesKey);
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            double x = dataset.getXValue(series, item);
            double z = dataset.getZValue(series, item);
            if (xRange.contains(x)) {
                if (!Double.isNaN(z)) {
                    minimum = Math.min(minimum, z);
                    maximum = Math.max(maximum, z);
                }
            }
        }
    }

    if (minimum == Double.POSITIVE_INFINITY) {
        return null;
    } else {
        return new Range(minimum, maximum);
    }
}

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

/**
 * Returns the range of z-values in the specified dataset for the
 * data items belonging to the visible series and with x-values in the
 * given range.// w ww  . j  av a 2 s.c  om
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 * @param visibleSeriesKeys  the visible series keys (<code>null</code> not
 *     permitted).
 * @param xRange  the x-range (<code>null</code> not permitted).
 * @param includeInterval  a flag that determines whether or not the
 *     z-interval for the dataset is included (this only applies if the
 *     dataset has an interval, which is currently not supported).
 *
 * @return The y-range (possibly <code>null</code>).
 */
public static Range iterateToFindZBounds(XYZDataset dataset, List visibleSeriesKeys, Range xRange,
        boolean includeInterval) {
    ParamChecks.nullNotPermitted(dataset, "dataset");
    ParamChecks.nullNotPermitted(visibleSeriesKeys, "visibleSeriesKeys");
    ParamChecks.nullNotPermitted(xRange, "xRange");

    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;

    Iterator iterator = visibleSeriesKeys.iterator();
    while (iterator.hasNext()) {
        Comparable seriesKey = (Comparable) iterator.next();
        int series = dataset.indexOf(seriesKey);
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            double x = dataset.getXValue(series, item);
            double z = dataset.getZValue(series, item);
            if (xRange.contains(x)) {
                if (!Double.isNaN(z)) {
                    minimum = Math.min(minimum, z);
                    maximum = Math.max(maximum, z);
                }
            }
        }
    }

    if (minimum == Double.POSITIVE_INFINITY) {
        return null;
    } else {
        return new Range(minimum, maximum);
    }
}

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