Java IntervalXYDataset.getStartYValue方法代碼示例

本文整理匯總了Java中org.jfree.data.xy.IntervalXYDataset.getStartYValue方法的典型用法代碼示例。如果您正苦於以下問題：Java IntervalXYDataset.getStartYValue方法的具體用法？Java IntervalXYDataset.getStartYValue怎麽用？Java IntervalXYDataset.getStartYValue使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.jfree.data.xy.IntervalXYDataset的用法示例。

在下文中一共展示了IntervalXYDataset.getStartYValue方法的8個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: iterateXYRangeExtent

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Iterates over the data item of the xy dataset to find
 * the range extent.
 * 
 * @param dataset  the dataset (<code>null</code> not permitted).
 * 
 * @return The range (possibly <code>null</code>).
 */
public static Range iterateXYRangeExtent(XYDataset dataset) {
    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;
    int seriesCount = dataset.getSeriesCount();
    for (int series = 0; series < seriesCount; series++) {
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            double lvalue;
            double uvalue;
            if (dataset instanceof IntervalXYDataset) {
                IntervalXYDataset intervalXYData = (IntervalXYDataset) dataset;
                lvalue = intervalXYData.getStartYValue(series, item);
                uvalue = intervalXYData.getEndYValue(series, item);
            }
            else if (dataset instanceof OHLCDataset) {
                OHLCDataset highLowData = (OHLCDataset) dataset;
                lvalue = highLowData.getLowValue(series, item);
                uvalue = highLowData.getHighValue(series, item);
            }
            else {
                lvalue = dataset.getYValue(series, item);
                uvalue = lvalue;
            }
            if (!Double.isNaN(lvalue)) {
                minimum = Math.min(minimum, lvalue);
            }
            if (!Double.isNaN(uvalue)) {     
                maximum = Math.max(maximum, uvalue);
            }
        }
    }
    if (minimum == Double.POSITIVE_INFINITY) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:47，代碼來源:DatasetUtilities.java

示例2: iterateXYRangeBounds

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Iterates over the data item of the xy dataset to find
 * the range bounds.
 * 
 * @param dataset  the dataset (<code>null</code> not permitted).
 * 
 * @return The range (possibly <code>null</code>).
 */
public static Range iterateXYRangeBounds(XYDataset dataset) {
    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;
    int seriesCount = dataset.getSeriesCount();
    for (int series = 0; series < seriesCount; series++) {
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            double lvalue;
            double uvalue;
            if (dataset instanceof IntervalXYDataset) {
                IntervalXYDataset intervalXYData 
                    = (IntervalXYDataset) dataset;
                lvalue = intervalXYData.getStartYValue(series, item);
                uvalue = intervalXYData.getEndYValue(series, item);
            }
            else if (dataset instanceof OHLCDataset) {
                OHLCDataset highLowData = (OHLCDataset) dataset;
                lvalue = highLowData.getLowValue(series, item);
                uvalue = highLowData.getHighValue(series, item);
            }
            else {
                lvalue = dataset.getYValue(series, item);
                uvalue = lvalue;
            }
            if (!Double.isNaN(lvalue)) {
                minimum = Math.min(minimum, lvalue);
            }
            if (!Double.isNaN(uvalue)) {     
                maximum = Math.max(maximum, uvalue);
            }
        }
    }
    if (minimum == Double.POSITIVE_INFINITY) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:48，代碼來源:DatasetUtilities.java

示例3: findMinimumRangeValue

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Returns the minimum range value for the specified dataset.  This is easy if the 
 * dataset implements the {@link RangeInfo} interface (a good idea if there is an 
 * efficient way to determine the minimum value).  Otherwise, it involves iterating 
 * over the entire data-set.  Returns <code>null</code> if all the data values in the 
 * dataset are <code>null</code>.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 *
 * @return The minimum value (possibly <code>null</code>).
 */
public static Number findMinimumRangeValue(XYDataset dataset) {

    if (dataset == null) {
        throw new IllegalArgumentException("Null 'dataset' argument.");
    }

    // work out the minimum value...
    if (dataset instanceof RangeInfo) {
        RangeInfo info = (RangeInfo) dataset;
        return info.getMinimumRangeValue();
    }

    // hasn't implemented RangeInfo, so we'll have to iterate...
    else {
        double minimum = Double.POSITIVE_INFINITY;
        int seriesCount = dataset.getSeriesCount();
        for (int series = 0; series < seriesCount; series++) {
            int itemCount = dataset.getItemCount(series);
            for (int item = 0; item < itemCount; item++) {

                double value;
                if (dataset instanceof IntervalXYDataset) {
                    IntervalXYDataset intervalXYData = (IntervalXYDataset) dataset;
                    value = intervalXYData.getStartYValue(series, item);
                }
                else if (dataset instanceof OHLCDataset) {
                    OHLCDataset highLowData = (OHLCDataset) dataset;
                    value = highLowData.getLowValue(series, item);
                }
                else {
                    value = dataset.getYValue(series, item);
                }
                if (!Double.isNaN(value)) {
                    minimum = Math.min(minimum, value);
                }

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

    }

}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:60，代碼來源:DatasetUtilities.java

示例4: findMinimumRangeValue

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Returns the minimum range value for the specified dataset.  This is 
 * easy if the dataset implements the {@link RangeInfo} interface (a good
 * idea if there is an efficient way to determine the minimum value).  
 * Otherwise, it involves iterating over the entire data-set.  Returns 
 * <code>null</code> if all the data values in the dataset are 
 * <code>null</code>.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 *
 * @return The minimum value (possibly <code>null</code>).
 */
public static Number findMinimumRangeValue(XYDataset dataset) {

    if (dataset == null) {
        throw new IllegalArgumentException("Null 'dataset' argument.");
    }

    // work out the minimum value...
    if (dataset instanceof RangeInfo) {
        RangeInfo info = (RangeInfo) dataset;
        return new Double(info.getRangeLowerBound(true));
    }

    // hasn't implemented RangeInfo, so we'll have to iterate...
    else {
        double minimum = Double.POSITIVE_INFINITY;
        int seriesCount = dataset.getSeriesCount();
        for (int series = 0; series < seriesCount; series++) {
            int itemCount = dataset.getItemCount(series);
            for (int item = 0; item < itemCount; item++) {

                double value;
                if (dataset instanceof IntervalXYDataset) {
                    IntervalXYDataset intervalXYData 
                        = (IntervalXYDataset) dataset;
                    value = intervalXYData.getStartYValue(series, item);
                }
                else if (dataset instanceof OHLCDataset) {
                    OHLCDataset highLowData = (OHLCDataset) dataset;
                    value = highLowData.getLowValue(series, item);
                }
                else {
                    value = dataset.getYValue(series, item);
                }
                if (!Double.isNaN(value)) {
                    minimum = Math.min(minimum, value);
                }

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

    }

}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:62，代碼來源:DatasetUtilities.java

示例5: findMinimumRangeValue

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Returns the minimum range value for the specified dataset.  This is
 * easy if the dataset implements the {@link RangeInfo} interface (a good
 * idea if there is an efficient way to determine the minimum value).
 * Otherwise, it involves iterating over the entire data-set.  Returns
 * <code>null</code> if all the data values in the dataset are
 * <code>null</code>.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 *
 * @return The minimum value (possibly <code>null</code>).
 */
public static Number findMinimumRangeValue(XYDataset dataset) {
    ParamChecks.nullNotPermitted(dataset, "dataset");

    // work out the minimum value...
    if (dataset instanceof RangeInfo) {
        RangeInfo info = (RangeInfo) dataset;
        return new Double(info.getRangeLowerBound(true));
    }

    // hasn't implemented RangeInfo, so we'll have to iterate...
    else {
        double minimum = Double.POSITIVE_INFINITY;
        int seriesCount = dataset.getSeriesCount();
        for (int series = 0; series < seriesCount; series++) {
            int itemCount = dataset.getItemCount(series);
            for (int item = 0; item < itemCount; item++) {

                double value;
                if (dataset instanceof IntervalXYDataset) {
                    IntervalXYDataset intervalXYData
                            = (IntervalXYDataset) dataset;
                    value = intervalXYData.getStartYValue(series, item);
                }
                else if (dataset instanceof OHLCDataset) {
                    OHLCDataset highLowData = (OHLCDataset) dataset;
                    value = highLowData.getLowValue(series, item);
                }
                else {
                    value = dataset.getYValue(series, item);
                }
                if (!Double.isNaN(value)) {
                    minimum = Math.min(minimum, value);
                }

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

    }

}

開發者ID:mdzio，項目名稱:ccu-historian，代碼行數:59，代碼來源:DatasetUtilities.java

示例6: findMinimumRangeValue

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Returns the minimum range value for the specified dataset.  This is
 * easy if the dataset implements the {@link RangeInfo} interface (a good
 * idea if there is an efficient way to determine the minimum value).
 * Otherwise, it involves iterating over the entire data-set.  Returns
 * {@code null} if all the data values in the dataset are
 * {@code null}.
 *
 * @param dataset  the dataset ({@code null} not permitted).
 *
 * @return The minimum value (possibly {@code null}).
 */
public static Number findMinimumRangeValue(XYDataset dataset) {
    Args.nullNotPermitted(dataset, "dataset");

    // work out the minimum value...
    if (dataset instanceof RangeInfo) {
        RangeInfo info = (RangeInfo) dataset;
        return new Double(info.getRangeLowerBound(true));
    }

    // hasn't implemented RangeInfo, so we'll have to iterate...
    else {
        double minimum = Double.POSITIVE_INFINITY;
        int seriesCount = dataset.getSeriesCount();
        for (int series = 0; series < seriesCount; series++) {
            int itemCount = dataset.getItemCount(series);
            for (int item = 0; item < itemCount; item++) {

                double value;
                if (dataset instanceof IntervalXYDataset) {
                    IntervalXYDataset intervalXYData
                            = (IntervalXYDataset) dataset;
                    value = intervalXYData.getStartYValue(series, item);
                }
                else if (dataset instanceof OHLCDataset) {
                    OHLCDataset highLowData = (OHLCDataset) dataset;
                    value = highLowData.getLowValue(series, item);
                }
                else {
                    value = dataset.getYValue(series, item);
                }
                if (!Double.isNaN(value)) {
                    minimum = Math.min(minimum, value);
                }

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

    }

}

開發者ID:jfree，項目名稱:jfreechart，代碼行數:59，代碼來源:DatasetUtils.java

示例7: findMinimumRangeValue

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Returns the minimum range value for the specified dataset.  This is
 * easy if the dataset implements the {@link RangeInfo} interface (a good
 * idea if there is an efficient way to determine the minimum value).
 * Otherwise, it involves iterating over the entire data-set.  Returns
 * <code>null</code> if all the data values in the dataset are
 * <code>null</code>.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 *
 * @return The minimum value (possibly <code>null</code>).
 */
public static Number findMinimumRangeValue(XYDataset dataset) {

    if (dataset == null) {
        throw new IllegalArgumentException("Null 'dataset' argument.");
    }

    // work out the minimum value...
    if (dataset instanceof RangeInfo) {
        RangeInfo info = (RangeInfo) dataset;
        return new Double(info.getRangeLowerBound(true));
    }

    // hasn't implemented RangeInfo, so we'll have to iterate...
    else {
        double minimum = Double.POSITIVE_INFINITY;
        int seriesCount = dataset.getSeriesCount();
        for (int series = 0; series < seriesCount; series++) {
            int itemCount = dataset.getItemCount(series);
            for (int item = 0; item < itemCount; item++) {

                double value;
                if (dataset instanceof IntervalXYDataset) {
                    IntervalXYDataset intervalXYData
                        = (IntervalXYDataset) dataset;
                    value = intervalXYData.getStartYValue(series, item);
                }
                else if (dataset instanceof OHLCDataset) {
                    OHLCDataset highLowData = (OHLCDataset) dataset;
                    value = highLowData.getLowValue(series, item);
                }
                else {
                    value = dataset.getYValue(series, item);
                }
                if (!Double.isNaN(value)) {
                    minimum = Math.min(minimum, value);
                }

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

    }

}

開發者ID:SOCR，項目名稱:HTML5_WebSite，代碼行數:62，代碼來源:DatasetUtilities.java

示例8: findMinimumRangeValue

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Returns the minimum range value for the specified dataset.  This is
 * easy if the dataset implements the {@link RangeInfo} interface (a good
 * idea if there is an efficient way to determine the minimum value).
 * Otherwise, it involves iterating over the entire data-set.  Returns
 * <code>null</code> if all the data values in the dataset are
 * <code>null</code>.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 *
 * @return The minimum value (possibly <code>null</code>).
 */
public static Number findMinimumRangeValue(XYDataset dataset) {

    if (dataset == null) {
        throw new IllegalArgumentException("Null 'dataset' argument.");
    }

    // work out the minimum value...
    if (dataset instanceof RangeInfo) {
        RangeInfo info = (RangeInfo) dataset;
        return new Double(info.getRangeLowerBound(true));
    }

    // hasn't implemented RangeInfo, so we'll have to iterate...
    else {
        double minimum = Double.POSITIVE_INFINITY;
        int seriesCount = dataset.getSeriesCount();
        for (int series = 0; series < seriesCount; series++) {
            int itemCount = dataset.getItemCount(series);
            for (int item = 0; item < itemCount; item++) {

                double value;
                if (dataset instanceof IntervalXYDataset) {
                    IntervalXYDataset intervalXYData
                            = (IntervalXYDataset) dataset;
                    value = intervalXYData.getStartYValue(series, item);
                }
                else if (dataset instanceof OHLCDataset) {
                    OHLCDataset highLowData = (OHLCDataset) dataset;
                    value = highLowData.getLowValue(series, item);
                }
                else {
                    value = dataset.getYValue(series, item);
                }
                if (!Double.isNaN(value)) {
                    minimum = Math.min(minimum, value);
                }

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

    }

}

開發者ID:lulab，項目名稱:PI，代碼行數:62，代碼來源:DatasetUtilities.java

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