range.html

JFreeChart 9.20的文档 需要用JAVA在网页上做统计图的东东

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<B>Method Detail</B></FONT></TD>
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<A NAME="getLowerBound()"><!-- --></A><H3>
getLowerBound</H3>
<PRE>
public double <B>getLowerBound</B>()</PRE>
<DL>
<DD>Returns the lower bound for the range.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The lower bound.</DL>
</DD>
</DL>
<HR>

<A NAME="getUpperBound()"><!-- --></A><H3>
getUpperBound</H3>
<PRE>
public double <B>getUpperBound</B>()</PRE>
<DL>
<DD>Returns the upper bound for the range.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The upper bound.</DL>
</DD>
</DL>
<HR>

<A NAME="getLength()"><!-- --></A><H3>
getLength</H3>
<PRE>
public double <B>getLength</B>()</PRE>
<DL>
<DD>Returns the length of the range.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The length.</DL>
</DD>
</DL>
<HR>

<A NAME="getCentralValue()"><!-- --></A><H3>
getCentralValue</H3>
<PRE>
public double <B>getCentralValue</B>()</PRE>
<DL>
<DD>Returns the central value for the range.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The central value.</DL>
</DD>
</DL>
<HR>

<A NAME="contains(double)"><!-- --></A><H3>
contains</H3>
<PRE>
public boolean <B>contains</B>(double&nbsp;value)</PRE>
<DL>
<DD>Returns <code>true</code> if the range contains the specified value and <code>false</code> 
 otherwise.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the value to lookup.
<DT><B>Returns:</B><DD><code>true</code> if the range contains the specified value.</DL>
</DD>
</DL>
<HR>

<A NAME="intersects(double, double)"><!-- --></A><H3>
intersects</H3>
<PRE>
public boolean <B>intersects</B>(double&nbsp;b0,
                          double&nbsp;b1)</PRE>
<DL>
<DD>Returns <code>true</code> if the range intersects with the specified range, and 
 <code>false</code> otherwise.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>b0</CODE> - the lower bound.<DD><CODE>b1</CODE> - the upper bound.
<DT><B>Returns:</B><DD>A boolean.</DL>
</DD>
</DL>
<HR>

<A NAME="constrain(double)"><!-- --></A><H3>
constrain</H3>
<PRE>
public double <B>constrain</B>(double&nbsp;value)</PRE>
<DL>
<DD>Returns the value within the range that is closest to the specified value.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the value.
<DT><B>Returns:</B><DD>The constrained value.</DL>
</DD>
</DL>
<HR>

<A NAME="combine(org.jfree.data.Range, org.jfree.data.Range)"><!-- --></A><H3>
combine</H3>
<PRE>
public static <A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A> <B>combine</B>(<A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A>&nbsp;range1,
                            <A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A>&nbsp;range2)</PRE>
<DL>
<DD>Creates a new range by combining two existing ranges.
 <P>
 Note that:
 <ul>
   <li>either range can be <code>null</code>, in which case the other range is returned;</li>
   <li>if both ranges are <code>null</code> the return value is <code>null</code>.</li>
 </ul>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>range1</CODE> - the first range (<code>null</code> permitted).<DD><CODE>range2</CODE> - the second range (<code>null</code> permitted).
<DT><B>Returns:</B><DD>A new range (possibly <code>null</code>).</DL>
</DD>
</DL>
<HR>

<A NAME="expand(org.jfree.data.Range, double, double)"><!-- --></A><H3>
expand</H3>
<PRE>
public static <A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A> <B>expand</B>(<A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A>&nbsp;range,
                           double&nbsp;lowerMargin,
                           double&nbsp;upperMargin)</PRE>
<DL>
<DD>Creates a new range by adding margins to an existing range.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>range</CODE> - the range (<code>null</code> not permitted).<DD><CODE>lowerMargin</CODE> - the lower margin (expressed as a percentage of the range length).<DD><CODE>upperMargin</CODE> - the upper margin (expressed as a percentage of the range length).
<DT><B>Returns:</B><DD>The expanded range.</DL>
</DD>
</DL>
<HR>

<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <B>equals</B>(java.lang.Object&nbsp;object)</PRE>
<DL>
<DD>Tests this object for equality with an arbitrary object.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>object</CODE> - the object to test against (<code>null</code> permitted).
<DT><B>Returns:</B><DD>A boolean.</DL>
</DD>
</DL>
<HR>

<A NAME="hashCode()"><!-- --></A><H3>
hashCode</H3>
<PRE>
public int <B>hashCode</B>()</PRE>
<DL>
<DD>Returns a hash code.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>A hash code.</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Returns a string representation of this Range.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>A String "Range[lower,upper]" where lower=lower range and upper=upper range.</DL>
</DD>
</DL>
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