datasetutilities.html

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</DL>
<HR>

<A NAME="getPieDatasetTotal(org.jfree.data.PieDataset)"><!-- --></A><H3>
getPieDatasetTotal</H3>
<PRE>
public static double <B>getPieDatasetTotal</B>(<A HREF="../../../org/jfree/data/PieDataset.html">PieDataset</A>&nbsp;data)</PRE>
<DL>
<DD>Calculates the total of all the values in a <A HREF="../../../org/jfree/data/PieDataset.html"><CODE>PieDataset</CODE></A>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the dataset.
<DT><B>Returns:</B><DD>the total.</DL>
</DD>
</DL>
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<A NAME="getStackedRangeExtent(org.jfree.data.CategoryDataset)"><!-- --></A><H3>
getStackedRangeExtent</H3>
<PRE>
public static <A HREF="../../../org/jfree/data/Range.html">Range</A> <B>getStackedRangeExtent</B>(<A HREF="../../../org/jfree/data/CategoryDataset.html">CategoryDataset</A>&nbsp;data)</PRE>
<DL>
<DD>Returns the minimum and maximum values for the dataset's range (as in domain/range),
 assuming that the series in one category are stacked.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the dataset.
<DT><B>Returns:</B><DD>the value range.</DL>
</DD>
</DL>
<HR>

<A NAME="getMinimumStackedRangeValue(org.jfree.data.CategoryDataset)"><!-- --></A><H3>
getMinimumStackedRangeValue</H3>
<PRE>
public static java.lang.Number <B>getMinimumStackedRangeValue</B>(<A HREF="../../../org/jfree/data/CategoryDataset.html">CategoryDataset</A>&nbsp;data)</PRE>
<DL>
<DD>Returns the minimum value in the dataset range, assuming that values in
 each category are "stacked".
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the dataset.
<DT><B>Returns:</B><DD>the minimum value.</DL>
</DD>
</DL>
<HR>

<A NAME="getMaximumStackedRangeValue(org.jfree.data.CategoryDataset)"><!-- --></A><H3>
getMaximumStackedRangeValue</H3>
<PRE>
public static java.lang.Number <B>getMaximumStackedRangeValue</B>(<A HREF="../../../org/jfree/data/CategoryDataset.html">CategoryDataset</A>&nbsp;data)</PRE>
<DL>
<DD>Returns the maximum value in the dataset range, assuming that values in
 each category are "stacked".
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the dataset.
<DT><B>Returns:</B><DD>the maximum value.</DL>
</DD>
</DL>
<HR>

<A NAME="sampleFunction2D(org.jfree.data.Function2D, double, double, int, java.lang.String)"><!-- --></A><H3>
sampleFunction2D</H3>
<PRE>
public static <A HREF="../../../org/jfree/data/XYDataset.html">XYDataset</A> <B>sampleFunction2D</B>(<A HREF="../../../org/jfree/data/Function2D.html">Function2D</A>&nbsp;f,
                                         double&nbsp;start,
                                         double&nbsp;end,
                                         int&nbsp;samples,
                                         java.lang.String&nbsp;seriesName)</PRE>
<DL>
<DD>Creates an <A HREF="../../../org/jfree/data/XYDataset.html"><CODE>XYDataset</CODE></A> by sampling the specified function over a fixed range.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>f</CODE> - the function.<DD><CODE>start</CODE> - the start value for the range.<DD><CODE>end</CODE> - the end value for the range.<DD><CODE>samples</CODE> - the number of samples (must be > 1).<DD><CODE>seriesName</CODE> - the name to give the resulting series.
<DT><B>Returns:</B><DD>the dataset.</DL>
</DD>
</DL>
<HR>

<A NAME="createCategoryDataset(java.lang.String, java.lang.String, double[][])"><!-- --></A><H3>
createCategoryDataset</H3>
<PRE>
public static <A HREF="../../../org/jfree/data/CategoryDataset.html">CategoryDataset</A> <B>createCategoryDataset</B>(java.lang.String&nbsp;rowKeyPrefix,
                                                    java.lang.String&nbsp;columnKeyPrefix,
                                                    double[][]&nbsp;data)</PRE>
<DL>
<DD>Creates a <A HREF="../../../org/jfree/data/CategoryDataset.html"><CODE>CategoryDataset</CODE></A> that contains a copy of the data in an array
 (instances of <code>Double</code> are created to represent the data items).
 <p>
 Row and column keys are created by appending 0, 1, 2, ... to the supplied prefixes.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rowKeyPrefix</CODE> - the row key prefix.<DD><CODE>columnKeyPrefix</CODE> - the column key prefix.<DD><CODE>data</CODE> - the data.
<DT><B>Returns:</B><DD>the dataset.</DL>
</DD>
</DL>
<HR>

<A NAME="createCategoryDataset(java.lang.String, java.lang.String, java.lang.Number[][])"><!-- --></A><H3>
createCategoryDataset</H3>
<PRE>
public static <A HREF="../../../org/jfree/data/CategoryDataset.html">CategoryDataset</A> <B>createCategoryDataset</B>(java.lang.String&nbsp;rowKeyPrefix,
                                                    java.lang.String&nbsp;columnKeyPrefix,
                                                    java.lang.Number[][]&nbsp;data)</PRE>
<DL>
<DD>Creates a <A HREF="../../../org/jfree/data/CategoryDataset.html"><CODE>CategoryDataset</CODE></A> that contains a copy of the data in an array.
 <p>
 Row and column keys are created by appending 0, 1, 2, ... to the supplied prefixes.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rowKeyPrefix</CODE> - the row key prefix.<DD><CODE>columnKeyPrefix</CODE> - the column key prefix.<DD><CODE>data</CODE> - the data.
<DT><B>Returns:</B><DD>the dataset.</DL>
</DD>
</DL>
<HR>

<A NAME="createCategoryDataset(java.lang.String[], java.lang.String[], double[][])"><!-- --></A><H3>
createCategoryDataset</H3>
<PRE>
public static <A HREF="../../../org/jfree/data/CategoryDataset.html">CategoryDataset</A> <B>createCategoryDataset</B>(java.lang.String[]&nbsp;rowKeys,
                                                    java.lang.String[]&nbsp;columnKeys,
                                                    double[][]&nbsp;data)</PRE>
<DL>
<DD>Creates a <A HREF="../../../org/jfree/data/CategoryDataset.html"><CODE>CategoryDataset</CODE></A> that contains a copy of the data in an array
 (instances of <code>Double</code> are created to represent the data items).
 <p>
 Row and column keys are taken from the supplied arrays.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rowKeys</CODE> - the row keys.<DD><CODE>columnKeys</CODE> - the column keys.<DD><CODE>data</CODE> - the data.
<DT><B>Returns:</B><DD>The dataset.</DL>
</DD>
</DL>
<HR>

<A NAME="createCategoryDataset(java.lang.String, org.jfree.data.KeyedValues)"><!-- --></A><H3>
createCategoryDataset</H3>
<PRE>
public static <A HREF="../../../org/jfree/data/CategoryDataset.html">CategoryDataset</A> <B>createCategoryDataset</B>(java.lang.String&nbsp;rowKey,
                                                    <A HREF="../../../org/jfree/data/KeyedValues.html">KeyedValues</A>&nbsp;rowData)</PRE>
<DL>
<DD>Creates a <A HREF="../../../org/jfree/data/CategoryDataset.html"><CODE>CategoryDataset</CODE></A> by copying the data from the supplied <A HREF="../../../org/jfree/data/KeyedValues.html"><CODE>KeyedValues</CODE></A>
 instance.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rowKey</CODE> - the row key.<DD><CODE>rowData</CODE> - the row data.
<DT><B>Returns:</B><DD>A dataset.</DL>
</DD>
</DL>
<HR>

<A NAME="isEmptyOrNull(org.jfree.data.XYDataset)"><!-- --></A><H3>
isEmptyOrNull</H3>
<PRE>
public static boolean <B>isEmptyOrNull</B>(<A HREF="../../../org/jfree/data/XYDataset.html">XYDataset</A>&nbsp;data)</PRE>
<DL>
<DD>Returns <code>true</code> if the dataset is empty (or <code>null</code>), and
 <code>false</code> otherwise.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the dataset (<code>null</code> permitted).
<DT><B>Returns:</B><DD>A boolean.</DL>
</DD>
</DL>
<HR>

<A NAME="isEmptyOrNull(org.jfree.data.PieDataset)"><!-- --></A><H3>
isEmptyOrNull</H3>
<PRE>
public static boolean <B>isEmptyOrNull</B>(<A HREF="../../../org/jfree/data/PieDataset.html">PieDataset</A>&nbsp;dataset)</PRE>
<DL>
<DD>Returns <code>true</code> if the dataset is empty (or <code>null</code>), and
 <code>false</code> otherwise.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>dataset</CODE> - the dataset (<code>null</code> permitted).
<DT><B>Returns:</B><DD>A boolean.</DL>
</DD>
</DL>
<HR>

<A NAME="isEmptyOrNull(org.jfree.data.CategoryDataset)"><!-- --></A><H3>
isEmptyOrNull</H3>
<PRE>
public static boolean <B>isEmptyOrNull</B>(<A HREF="../../../org/jfree/data/CategoryDataset.html">CategoryDataset</A>&nbsp;data)</PRE>
<DL>
<DD>Returns <code>true</code> if the dataset is empty (or <code>null</code>), and
 <code>false</code> otherwise.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the dataset (<code>null</code> permitted).
<DT><B>Returns:</B><DD>A boolean.</DL>
</DD>
</DL>
<HR>

<A NAME="limitPieDataset(org.jfree.data.PieDataset, double)"><!-- --></A><H3>
limitPieDataset</H3>
<PRE>
public static <A HREF="../../../org/jfree/data/PieDataset.html">PieDataset</A> <B>limitPieDataset</B>(<A HREF="../../../org/jfree/data/PieDataset.html">PieDataset</A>&nbsp;data,
                                         double&nbsp;percentThreshold)</PRE>
<DL>
<DD>Creates an "Other" slice for percentages below the percent threshold.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the PieDataset.<DD><CODE>percentThreshold</CODE> - the percent threshold.
<DT><B>Returns:</B><DD>A PieDataset.</DL>
</DD>
</DL>
<HR>

<A NAME="limitPieDataset(org.jfree.data.PieDataset, double, int)"><!-- --></A><H3>
limitPieDataset</H3>
<PRE>
public static <A HREF="../../../org/jfree/data/PieDataset.html">PieDataset</A> <B>limitPieDataset</B>(<A HREF="../../../org/jfree/data/PieDataset.html">PieDataset</A>&nbsp;data,
                                         double&nbsp;percentThreshold,
                                         int&nbsp;sliceThreshold)</PRE>
<DL>
<DD>Create an "Other" slice for percentages below the percent threshold providing there
 are more slices below the percent threshold than specified in the slice threshold.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the PieDataset.<DD><CODE>percentThreshold</CODE> - the percent threshold.<DD><CODE>sliceThreshold</CODE> - the slice threshold.
<DT><B>Returns:</B><DD>A PieDataset.</DL>
</DD>
</DL>
<HR>

<A NAME="limitPieDataset(org.jfree.data.PieDataset, double, int, java.lang.String)"><!-- --></A><H3>
limitPieDataset</H3>
<PRE>
public static <A HREF="../../../org/jfree/data/PieDataset.html">PieDataset</A> <B>limitPieDataset</B>(<A HREF="../../../org/jfree/data/PieDataset.html">PieDataset</A>&nbsp;data,
                                         double&nbsp;percentThreshold,
                                         int&nbsp;sliceThreshold,
                                         java.lang.String&nbsp;label)</PRE>
<DL>
<DD>Create an Other slice with a given label for percentages below the percent threshold
 providing there are more slices below the percent threshold than specified in the slice
 threshold.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the PieDataset.<DD><CODE>percentThreshold</CODE> - the percent threshold.<DD><CODE>sliceThreshold</CODE> - the slice threshold.<DD><CODE>label</CODE> - the label to give the "Other" slice.
<DT><B>Returns:</B><DD>A PieDataset.</DL>
</DD>
</DL>
<HR>

<A NAME="getStackedRangeExtent(org.jfree.data.TableXYDataset)"><!-- --></A><H3>
getStackedRangeExtent</H3>
<PRE>
public static <A HREF="../../../org/jfree/data/Range.html">Range</A> <B>getStackedRangeExtent</B>(<A HREF="../../../org/jfree/data/TableXYDataset.html">TableXYDataset</A>&nbsp;data)</PRE>
<DL>
<DD>Returns the minimum and maximum values for the dataset's range,
 assuming that the series are stacked.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the dataset.
<DT><B>Returns:</B><DD>the value range.</DL>
</DD>
</DL>
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