Java IntervalXYDataset.getStartXValue方法代碼示例

本文整理匯總了Java中org.jfree.data.xy.IntervalXYDataset.getStartXValue方法的典型用法代碼示例。如果您正苦於以下問題：Java IntervalXYDataset.getStartXValue方法的具體用法？Java IntervalXYDataset.getStartXValue怎麽用？Java IntervalXYDataset.getStartXValue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.getStartXValue方法的9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: iterateDomainExtent

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Iterates over the items in an {@link XYDataset} to find
 * the range of x-values. 
 *  
 * @param dataset  the dataset (<code>null</code> not permitted).
 * 
 * @return The range (possibly <code>null</code>).
 */
public static Range iterateDomainExtent(XYDataset dataset) {
    if (dataset == null) {
        throw new IllegalArgumentException("Null 'dataset' argument.");   
    }
    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.getStartXValue(series, item);
                uvalue = intervalXYData.getEndXValue(series, item);
            }
            else {
                lvalue = dataset.getXValue(series, item);
                uvalue = lvalue;
            }
            minimum = Math.min(minimum, lvalue);
            maximum = Math.max(maximum, uvalue);
        }
    }
    if (minimum > maximum) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:41，代碼來源:DatasetUtilities.java

示例2: findDomainBoundsWithOffset

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Iterates over the items in an {@link IntervalXYDataset} to find
 * the range of x-values including the interval OFFSET so that it centers
 * the interval around the start value.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 *
 * @return The range (possibly <code>null</code>).
 */
protected Range findDomainBoundsWithOffset(IntervalXYDataset dataset) {
    ParamChecks.nullNotPermitted(dataset, "dataset");
    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;
    int seriesCount = dataset.getSeriesCount();
    double lvalue;
    double uvalue;
    for (int series = 0; series < seriesCount; series++) {
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            lvalue = dataset.getStartXValue(series, item);
            uvalue = dataset.getEndXValue(series, item);
            double offset = (uvalue - lvalue) / 2.0;
            lvalue = lvalue - offset;
            uvalue = uvalue - offset;
            minimum = Math.min(minimum, lvalue);
            maximum = Math.max(maximum, uvalue);
        }
    }

    if (minimum > maximum) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}

開發者ID:mdzio，項目名稱:ccu-historian，代碼行數:37，代碼來源:ClusteredXYBarRenderer.java

示例3: findDomainBoundsWithOffset

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Iterates over the items in an {@link IntervalXYDataset} to find
 * the range of x-values including the interval OFFSET so that it centers
 * the interval around the start value.
 *
 * @param dataset  the dataset ({@code null} not permitted).
 *
 * @return The range (possibly {@code null}).
 */
protected Range findDomainBoundsWithOffset(IntervalXYDataset dataset) {
    Args.nullNotPermitted(dataset, "dataset");
    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;
    int seriesCount = dataset.getSeriesCount();
    double lvalue;
    double uvalue;
    for (int series = 0; series < seriesCount; series++) {
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            lvalue = dataset.getStartXValue(series, item);
            uvalue = dataset.getEndXValue(series, item);
            double offset = (uvalue - lvalue) / 2.0;
            lvalue = lvalue - offset;
            uvalue = uvalue - offset;
            minimum = Math.min(minimum, lvalue);
            maximum = Math.max(maximum, uvalue);
        }
    }

    if (minimum > maximum) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}

開發者ID:jfree，項目名稱:jfreechart，代碼行數:37，代碼來源:ClusteredXYBarRenderer.java

示例4: findDomainBoundsWithOffset

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Iterates over the items in an {@link IntervalXYDataset} to find
 * the range of x-values including the interval OFFSET so that it centers
 * the interval around the start value.
 *
 * @param dataset  the dataset (<code>null</code> not permitted).
 *
 * @return The range (possibly <code>null</code>).
 */
protected Range findDomainBoundsWithOffset(IntervalXYDataset dataset) {
    if (dataset == null) {
        throw new IllegalArgumentException("Null 'dataset' argument.");
    }
    double minimum = Double.POSITIVE_INFINITY;
    double maximum = Double.NEGATIVE_INFINITY;
    int seriesCount = dataset.getSeriesCount();
    double lvalue;
    double uvalue;
    for (int series = 0; series < seriesCount; series++) {
        int itemCount = dataset.getItemCount(series);
        for (int item = 0; item < itemCount; item++) {
            lvalue = dataset.getStartXValue(series, item);
            uvalue = dataset.getEndXValue(series, item);
            double offset = (uvalue - lvalue) / 2.0;
            lvalue = lvalue - offset;
            uvalue = uvalue - offset;
            minimum = Math.min(minimum, lvalue);
            maximum = Math.max(maximum, uvalue);
        }
    }

    if (minimum > maximum) {
        return null;
    }
    else {
        return new Range(minimum, maximum);
    }
}

開發者ID:SOCR，項目名稱:HTML5_WebSite，代碼行數:39，代碼來源:ClusteredXYBarRenderer.java

示例5: findMinimumDomainValue

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Finds the minimum domain (or X) value for the specified dataset.  This is easy if 
 * the dataset implements the {@link DomainInfo} interface (a good idea if there is an 
 * efficient way to determine the minimum value).  Otherwise, it involves iterating over 
 * the entire data-set.
 * <p>
 * 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 findMinimumDomainValue(XYDataset dataset) {
    if (dataset == null) {
        throw new IllegalArgumentException("Null 'dataset' argument.");
    }
    Number result = null;
    // if the dataset implements DomainInfo, life is easy
    if (dataset instanceof DomainInfo) {
        DomainInfo info = (DomainInfo) dataset;
        return info.getMinimumDomainValue();
    }
    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.getStartXValue(series, item);
                }
                else {
                    value = dataset.getXValue(series, item);
                }
                if (!Double.isNaN(value)) {
                    minimum = Math.min(minimum, value);
                }

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

    return result;
}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:54，代碼來源:DatasetUtilities.java

示例6: findMinimumDomainValue

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Finds the minimum domain (or X) value for the specified dataset.  This 
 * is easy if the dataset implements the {@link DomainInfo} interface (a 
 * good idea if there is an efficient way to determine the minimum value).
 * Otherwise, it involves iterating over the entire data-set.
 * <p>
 * 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 findMinimumDomainValue(XYDataset dataset) {
    if (dataset == null) {
        throw new IllegalArgumentException("Null 'dataset' argument.");
    }
    Number result = null;
    // if the dataset implements DomainInfo, life is easy
    if (dataset instanceof DomainInfo) {
        DomainInfo info = (DomainInfo) dataset;
        return new Double(info.getDomainLowerBound(true));
    }
    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.getStartXValue(series, item);
                }
                else {
                    value = dataset.getXValue(series, item);
                }
                if (!Double.isNaN(value)) {
                    minimum = Math.min(minimum, value);
                }

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

    return result;
}

開發者ID:parabuild-ci，項目名稱:parabuild-ci，代碼行數:56，代碼來源:DatasetUtilities.java

示例7: findMinimumDomainValue

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Finds the minimum domain (or X) value for the specified dataset.  This
 * is easy if the dataset implements the {@link DomainInfo} interface (a
 * good idea if there is an efficient way to determine the minimum value).
 * Otherwise, it involves iterating over the entire data-set.
 * <p>
 * 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 findMinimumDomainValue(XYDataset dataset) {
    ParamChecks.nullNotPermitted(dataset, "dataset");
    Number result;
    // if the dataset implements DomainInfo, life is easy
    if (dataset instanceof DomainInfo) {
        DomainInfo info = (DomainInfo) dataset;
        return new Double(info.getDomainLowerBound(true));
    }
    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.getStartXValue(series, item);
                }
                else {
                    value = dataset.getXValue(series, item);
                }
                if (!Double.isNaN(value)) {
                    minimum = Math.min(minimum, value);
                }

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

    return result;
}

開發者ID:mdzio，項目名稱:ccu-historian，代碼行數:54，代碼來源:DatasetUtilities.java

示例8: findMinimumDomainValue

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Finds the minimum domain (or X) value for the specified dataset.  This
 * is easy if the dataset implements the {@link DomainInfo} interface (a
 * good idea if there is an efficient way to determine the minimum value).
 * Otherwise, it involves iterating over the entire data-set.
 * <p>
 * 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 findMinimumDomainValue(XYDataset dataset) {
    Args.nullNotPermitted(dataset, "dataset");
    Number result;
    // if the dataset implements DomainInfo, life is easy
    if (dataset instanceof DomainInfo) {
        DomainInfo info = (DomainInfo) dataset;
        return new Double(info.getDomainLowerBound(true));
    }
    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.getStartXValue(series, item);
                }
                else {
                    value = dataset.getXValue(series, item);
                }
                if (!Double.isNaN(value)) {
                    minimum = Math.min(minimum, value);
                }

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

    return result;
}

開發者ID:jfree，項目名稱:jfreechart，代碼行數:54，代碼來源:DatasetUtils.java

示例9: findMinimumDomainValue

import org.jfree.data.xy.IntervalXYDataset; //導入方法依賴的package包/類
/**
 * Finds the minimum domain (or X) value for the specified dataset.  This
 * is easy if the dataset implements the {@link DomainInfo} interface (a
 * good idea if there is an efficient way to determine the minimum value).
 * Otherwise, it involves iterating over the entire data-set.
 * <p>
 * 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 findMinimumDomainValue(XYDataset dataset) {
    if (dataset == null) {
        throw new IllegalArgumentException("Null 'dataset' argument.");
    }
    Number result = null;
    // if the dataset implements DomainInfo, life is easy
    if (dataset instanceof DomainInfo) {
        DomainInfo info = (DomainInfo) dataset;
        return new Double(info.getDomainLowerBound(true));
    }
    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.getStartXValue(series, item);
                }
                else {
                    value = dataset.getXValue(series, item);
                }
                if (!Double.isNaN(value)) {
                    minimum = Math.min(minimum, value);
                }

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

    return result;
}

開發者ID:SOCR，項目名稱:HTML5_WebSite，代碼行數:56，代碼來源:DatasetUtilities.java

注：本文中的org.jfree.data.xy.IntervalXYDataset.getStartXValue方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。