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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_07) on Fri Aug 25 15:15:36 BST 2006 --><TITLE>Range (JFreeChart Class Library (version 1.0.2))</TITLE><META NAME="keywords" CONTENT="org.jfree.data.Range class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Range (JFreeChart Class Library (version 1.0.2))";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/Range.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-files/index-1.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../org/jfree/data/KeyToGroupMap.html" title="class in org.jfree.data"><B>PREV CLASS</B></A> <A HREF="../../../org/jfree/data/RangeInfo.html" title="interface in org.jfree.data"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?org/jfree/data/Range.html" target="_top"><B>FRAMES</B></A> <A HREF="Range.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.jfree.data</FONT><BR>Class Range</H2><PRE>java.lang.Object <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.jfree.data.Range</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable</DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../org/jfree/data/time/DateRange.html" title="class in org.jfree.data.time">DateRange</A></DD></DL><HR><DL><DT><PRE>public class <A HREF="../../../src-html/org/jfree/data/Range.html#line.68"><B>Range</B></A><DT>extends java.lang.Object<DT>implements java.io.Serializable</DL></PRE><P>Represents an immutable range of values.<P><P><DL><DT><B>See Also:</B><DD><A HREF="../../../serialized-form.html#org.jfree.data.Range">Serialized Form</A></DL><HR><P><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../org/jfree/data/Range.html#Range(double, double)">Range</A></B>(double lower, double upper)</CODE><BR> Creates a new range.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/Range.html#combine(org.jfree.data.Range, org.jfree.data.Range)">combine</A></B>(<A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A> range1, <A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A> range2)</CODE><BR> Creates a new range by combining two existing ranges.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/Range.html#constrain(double)">constrain</A></B>(double value)</CODE><BR> Returns the value within the range that is closest to the specified value.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/Range.html#contains(double)">contains</A></B>(double value)</CODE><BR> Returns <code>true</code> if the range contains the specified value and <code>false</code> otherwise.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/Range.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object obj)</CODE><BR> Tests this object for equality with an arbitrary object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/Range.html#expand(org.jfree.data.Range, double, double)">expand</A></B>(<A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A> range, double lowerMargin, double upperMargin)</CODE><BR> Creates a new range by adding margins to an existing range.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/Range.html#expandToInclude(org.jfree.data.Range, double)">expandToInclude</A></B>(<A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A> range, double value)</CODE><BR> Returns a range that includes all the values in the specified <code>range</code> AND the specified <code>value</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/Range.html#getCentralValue()">getCentralValue</A></B>()</CODE><BR> Returns the central value for the range.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/Range.html#getLength()">getLength</A></B>()</CODE><BR> Returns the length of the range.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/Range.html#getLowerBound()">getLowerBound</A></B>()</CODE><BR> Returns the lower bound for the range.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/Range.html#getUpperBound()">getUpperBound</A></B>()</CODE><BR> Returns the upper bound for the range.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/Range.html#hashCode()">hashCode</A></B>()</CODE><BR> Returns a hash code.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/Range.html#intersects(double, double)">intersects</A></B>(double b0, double b1)</CODE><BR> Returns <code>true</code> if the range intersects with the specified range, and <code>false</code> otherwise.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/Range.html#shift(org.jfree.data.Range, double)">shift</A></B>(<A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A> base, double delta)</CODE><BR> Shifts the range by the specified amount.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/Range.html#shift(org.jfree.data.Range, double, boolean)">shift</A></B>(<A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A> base, double delta, boolean allowZeroCrossing)</CODE><BR> Shifts the range by the specified amount.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/Range.html#toString()">toString</A></B>()</CODE><BR> Returns a string representation of this Range.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>clone, finalize, getClass, notify, notifyAll, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TH></TR></TABLE><A NAME="Range(double, double)"><!-- --></A><H3>Range</H3><PRE>public <A HREF="../../../src-html/org/jfree/data/Range.html#line.85"><B>Range</B></A>(double lower, double upper)</PRE><DL><DD>Creates a new range.<P><DL><DT><B>Parameters:</B><DD><CODE>lower</CODE> - the lower bound (must be <= upper bound).<DD><CODE>upper</CODE> - the upper bound (must be >= lower bound).</DL></DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="getLowerBound()"><!-- --></A><H3>getLowerBound</H3><PRE>public double <A HREF="../../../src-html/org/jfree/data/Range.html#line.100"><B>getLowerBound</B></A>()</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>⌨️ 快捷键说明
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