Example usage for org.jfree.data Range combine

Introduction

In this page you can find the example usage for org.jfree.data Range combine.

Prototype

public static Range combine(Range range1, Range range2) 

Source Link

Document

Creates a new range by combining two existing ranges.

Usage

From source file:org.jfree.data.time.TimeSeriesCollection.java

/**
 * Returns the bounds of the domain values for the specified series.
 *
 * @param visibleSeriesKeys  a list of keys for the visible series.
 * @param includeInterval  include the x-interval?
 *
 * @return A range.// w w w . j a  v a  2 s .co  m
 *
 * @since 1.0.13
 */
@Override
public Range getDomainBounds(List visibleSeriesKeys, boolean includeInterval) {
    Range result = null;
    Iterator iterator = visibleSeriesKeys.iterator();
    while (iterator.hasNext()) {
        Comparable seriesKey = (Comparable) iterator.next();
        TimeSeries series = getSeries(seriesKey);
        int count = series.getItemCount();
        if (count > 0) {
            RegularTimePeriod start = series.getTimePeriod(0);
            RegularTimePeriod end = series.getTimePeriod(count - 1);
            Range temp;
            if (!includeInterval) {
                temp = new Range(getX(start), getX(end));
            } else {
                temp = new Range(start.getFirstMillisecond(this.workingCalendar),
                        end.getLastMillisecond(this.workingCalendar));
            }
            result = Range.combine(result, temp);
        }
    }
    return result;
}

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

/**
 * Returns the minimum and maximum values for the dataset's range
 * (y-values), assuming that the series in one category are stacked.
 *
 * @param dataset  the dataset./*w w  w .  j a  v  a 2 s .c  o  m*/
 * @param map  a structure that maps series to groups.
 *
 * @return The value range ({@code null} if the dataset contains no
 *         values).
 */
public static Range findStackedRangeBounds(CategoryDataset dataset, KeyToGroupMap map) {
    Args.nullNotPermitted(dataset, "dataset");
    boolean hasValidData = false;
    Range result = null;

    // create an array holding the group indices for each series...
    int[] groupIndex = new int[dataset.getRowCount()];
    for (int i = 0; i < dataset.getRowCount(); i++) {
        groupIndex[i] = map.getGroupIndex(map.getGroup(dataset.getRowKey(i)));
    }

    // minimum and maximum for each group...
    int groupCount = map.getGroupCount();
    double[] minimum = new double[groupCount];
    double[] maximum = new double[groupCount];

    int categoryCount = dataset.getColumnCount();
    for (int item = 0; item < categoryCount; item++) {
        double[] positive = new double[groupCount];
        double[] negative = new double[groupCount];
        int seriesCount = dataset.getRowCount();
        for (int series = 0; series < seriesCount; series++) {
            Number number = dataset.getValue(series, item);
            if (number != null) {
                hasValidData = true;
                double value = number.doubleValue();
                if (value > 0.0) {
                    positive[groupIndex[series]] = positive[groupIndex[series]] + value;
                }
                if (value < 0.0) {
                    negative[groupIndex[series]] = negative[groupIndex[series]] + value;
                    // '+', remember value is negative
                }
            }
        }
        for (int g = 0; g < groupCount; g++) {
            minimum[g] = Math.min(minimum[g], negative[g]);
            maximum[g] = Math.max(maximum[g], positive[g]);
        }
    }
    if (hasValidData) {
        for (int j = 0; j < groupCount; j++) {
            result = Range.combine(result, new Range(minimum[j], maximum[j]));
        }
    }
    return result;
}

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

/**
 * Returns the minimum and maximum values for the dataset's range
 * (y-values), assuming that the series in one category are stacked.
 *
 * @param dataset  the dataset.//from   w ww  .java2s  .  c o  m
 * @param map  a structure that maps series to groups.
 *
 * @return The value range (<code>null</code> if the dataset contains no
 *         values).
 */
public static Range findStackedRangeBounds(CategoryDataset dataset, KeyToGroupMap map) {
    ParamChecks.nullNotPermitted(dataset, "dataset");
    boolean hasValidData = false;
    Range result = null;

    // create an array holding the group indices for each series...
    int[] groupIndex = new int[dataset.getRowCount()];
    for (int i = 0; i < dataset.getRowCount(); i++) {
        groupIndex[i] = map.getGroupIndex(map.getGroup(dataset.getRowKey(i)));
    }

    // minimum and maximum for each group...
    int groupCount = map.getGroupCount();
    double[] minimum = new double[groupCount];
    double[] maximum = new double[groupCount];

    int categoryCount = dataset.getColumnCount();
    for (int item = 0; item < categoryCount; item++) {
        double[] positive = new double[groupCount];
        double[] negative = new double[groupCount];
        int seriesCount = dataset.getRowCount();
        for (int series = 0; series < seriesCount; series++) {
            Number number = dataset.getValue(series, item);
            if (number != null) {
                hasValidData = true;
                double value = number.doubleValue();
                if (value > 0.0) {
                    positive[groupIndex[series]] = positive[groupIndex[series]] + value;
                }
                if (value < 0.0) {
                    negative[groupIndex[series]] = negative[groupIndex[series]] + value;
                    // '+', remember value is negative
                }
            }
        }
        for (int g = 0; g < groupCount; g++) {
            minimum[g] = Math.min(minimum[g], negative[g]);
            maximum[g] = Math.max(maximum[g], positive[g]);
        }
    }
    if (hasValidData) {
        for (int j = 0; j < groupCount; j++) {
            result = Range.combine(result, new Range(minimum[j], maximum[j]));
        }
    }
    return result;
}

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From source file:ucar.unidata.idv.control.chart.MyXYPlot.java

/**
 * Returns the range for the specified axis.
 *
 * @param axis  the axis./* w  ww . ja v a 2  s. c  om*/
 *
 * @return The range.
 */
public Range getDataRange(ValueAxis axis) {

    Range result = null;
    List mappedDatasets = new ArrayList();
    boolean isDomainAxis = true;

    // is it a domain axis?
    int domainIndex = getDomainAxisIndex(axis);
    if (domainIndex >= 0) {
        isDomainAxis = true;
        mappedDatasets.addAll(getDatasetsMappedToDomainAxis(new Integer(domainIndex)));
    }

    // or is it a range axis?
    int rangeIndex = getRangeAxisIndex(axis);
    if (rangeIndex >= 0) {
        isDomainAxis = false;
        mappedDatasets.addAll(getDatasetsMappedToRangeAxis(new Integer(rangeIndex)));
    }

    // iterate through the datasets that map to the axis and get the union
    // of the ranges.
    Iterator iterator = mappedDatasets.iterator();
    while (iterator.hasNext()) {
        XYDataset d = (XYDataset) iterator.next();
        if (d != null) {
            XYItemRenderer r = getRendererForDataset(d);
            if (isDomainAxis) {
                if (r != null) {
                    result = Range.combine(result, r.findDomainBounds(d));
                } else {
                    result = Range.combine(result, DatasetUtilities.findDomainBounds(d));
                }
            } else {
                if (r != null) {
                    result = Range.combine(result, r.findRangeBounds(d));
                } else {
                    result = Range.combine(result, DatasetUtilities.findRangeBounds(d));
                }
            }
        }
    }
    return result;

}

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