本文整理汇总了Java中org.jfree.data.RangeInfo类的典型用法代码示例。如果您正苦于以下问题：Java RangeInfo类的具体用法？Java RangeInfo怎么用？Java RangeInfo使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
RangeInfo类属于org.jfree.data包，在下文中一共展示了RangeInfo类的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: findRangeExtent
import org.jfree.data.RangeInfo; //导入依赖的package包/类
/**
* Returns the range of values in the range for the dataset. This method
* is the partner for the getDomainExtent method.
*
* @param dataset the dataset.
*
* @return The range of values in the range for the dataset.
*
* @deprecated Use findRangeExtent(CategoryDataset) or findRangeExtent(XYDataset).
*/
public static Range findRangeExtent(Dataset dataset) {
// check parameters...
if (dataset == null) {
return null;
}
// work out the minimum value...
if (dataset instanceof RangeInfo) {
RangeInfo info = (RangeInfo) dataset;
return info.getValueRange();
}
// hasn't implemented RangeInfo, so we'll have to iterate...
else if (dataset instanceof CategoryDataset) {
return iterateCategoryRangeExtent((CategoryDataset) dataset);
}
// hasn't implemented RangeInfo, so we'll have to iterate...
else if (dataset instanceof XYDataset) {
return iterateXYRangeExtent((XYDataset) dataset);
}
else {
return null;
}
}
示例2: findRangeBounds
import org.jfree.data.RangeInfo; //导入依赖的package包/类
/**
* Returns the range of values in the range for the dataset. This method
* is the partner for the getDomainExtent method.
*
* @param dataset the dataset (<code>null</code> not permitted).
* @param includeInterval a flag that determines whether or not the
* y-interval is taken into account.
*
* @return The range (possibly <code>null</code>).
*/
public static Range findRangeBounds(CategoryDataset dataset,
boolean includeInterval) {
if (dataset == null) {
throw new IllegalArgumentException("Null 'dataset' argument.");
}
Range result = null;
if (dataset instanceof RangeInfo) {
RangeInfo info = (RangeInfo) dataset;
result = info.getRangeBounds(includeInterval);
}
else {
result = iterateCategoryRangeBounds(dataset, includeInterval);
}
return result;
}
示例3: findRangeBounds
import org.jfree.data.RangeInfo; //导入依赖的package包/类
/**
* Returns the range of values in the range for the dataset.
*
* @param dataset the dataset (<code>null</code> not permitted).
* @param includeInterval a flag that determines whether or not the
* y-interval is taken into account.
*
* @return The range (possibly <code>null</code>).
*/
public static Range findRangeBounds(CategoryDataset dataset,
boolean includeInterval) {
if (dataset == null) {
throw new IllegalArgumentException("Null 'dataset' argument.");
}
Range result = null;
if (dataset instanceof RangeInfo) {
RangeInfo info = (RangeInfo) dataset;
result = info.getRangeBounds(includeInterval);
}
else {
result = iterateRangeBounds(dataset, includeInterval);
}
return result;
}
示例4: findRangeBounds
import org.jfree.data.RangeInfo; //导入依赖的package包/类
/**
* Returns the range of values in the range for the dataset.
*
* @param dataset the dataset (<code>null</code> not permitted).
* @param includeInterval a flag that determines whether or not the
* y-interval is taken into account.
*
* @return The range (possibly <code>null</code>).
*/
public static Range findRangeBounds(CategoryDataset dataset,
boolean includeInterval) {
ParamChecks.nullNotPermitted(dataset, "dataset");
Range result;
if (dataset instanceof RangeInfo) {
RangeInfo info = (RangeInfo) dataset;
result = info.getRangeBounds(includeInterval);
}
else {
result = iterateRangeBounds(dataset, includeInterval);
}
return result;
}
示例5: findMinimumRangeValue
import org.jfree.data.RangeInfo; //导入依赖的package包/类
/**
* 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(CategoryDataset dataset) {
ParamChecks.nullNotPermitted(dataset, "dataset");
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.getRowCount();
int itemCount = dataset.getColumnCount();
for (int series = 0; series < seriesCount; series++) {
for (int item = 0; item < itemCount; item++) {
Number value;
if (dataset instanceof IntervalCategoryDataset) {
IntervalCategoryDataset icd
= (IntervalCategoryDataset) dataset;
value = icd.getStartValue(series, item);
}
else {
value = dataset.getValue(series, item);
}
if (value != null) {
minimum = Math.min(minimum, value.doubleValue());
}
}
}
if (minimum == Double.POSITIVE_INFINITY) {
return null;
}
else {
return new Double(minimum);
}
}
}
示例6: findRangeBounds
import org.jfree.data.RangeInfo; //导入依赖的package包/类
/**
* Returns the range of values in the range for the dataset.
*
* @param dataset the dataset ({@code null} not permitted).
* @param includeInterval a flag that determines whether or not the
* y-interval is taken into account.
*
* @return The range (possibly {@code null}).
*/
public static Range findRangeBounds(CategoryDataset dataset,
boolean includeInterval) {
Args.nullNotPermitted(dataset, "dataset");
Range result;
if (dataset instanceof RangeInfo) {
RangeInfo info = (RangeInfo) dataset;
result = info.getRangeBounds(includeInterval);
}
else {
result = iterateRangeBounds(dataset, includeInterval);
}
return result;
}
示例7: findMinimumRangeValue
import org.jfree.data.RangeInfo; //导入依赖的package包/类
/**
* 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(CategoryDataset dataset) {
Args.nullNotPermitted(dataset, "dataset");
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.getRowCount();
int itemCount = dataset.getColumnCount();
for (int series = 0; series < seriesCount; series++) {
for (int item = 0; item < itemCount; item++) {
Number value;
if (dataset instanceof IntervalCategoryDataset) {
IntervalCategoryDataset icd
= (IntervalCategoryDataset) dataset;
value = icd.getStartValue(series, item);
}
else {
value = dataset.getValue(series, item);
}
if (value != null) {
minimum = Math.min(minimum, value.doubleValue());
}
}
}
if (minimum == Double.POSITIVE_INFINITY) {
return null;
}
else {
return new Double(minimum);
}
}
}