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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 1.4.2_03) on Mon Jun 07 16:42:28 BST 2004 --><TITLE>Axis (JFreeChart Class Library (version 0.9.20))</TITLE><META NAME="keywords" CONTENT="org.jfree.chart.axis.Axis class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Axis (JFreeChart Class Library (version 0.9.20))";}</SCRIPT></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=3 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="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-all.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"> PREV CLASS <A HREF="../../../../org/jfree/chart/axis/AxisCollection.html" title="class in org.jfree.chart.axis"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="Axis.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 | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <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.chart.axis</FONT><BR>Class Axis</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>org.jfree.chart.axis.Axis</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.lang.Cloneable, java.io.Serializable</DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../org/jfree/chart/axis/CategoryAxis.html" title="class in org.jfree.chart.axis">CategoryAxis</A>, <A HREF="../../../../org/jfree/chart/axis/ValueAxis.html" title="class in org.jfree.chart.axis">ValueAxis</A></DD></DL><HR><DL><DT>public abstract class <B>Axis</B><DT>extends java.lang.Object<DT>implements java.lang.Cloneable, java.io.Serializable</DL><P>The base class for all axes in JFreeChart. Subclasses are divided into those that display values (<A HREF="../../../../org/jfree/chart/axis/ValueAxis.html" title="class in org.jfree.chart.axis"><CODE>ValueAxis</CODE></A>) and those that display categories (<A HREF="../../../../org/jfree/chart/axis/CategoryAxis.html" title="class in org.jfree.chart.axis"><CODE>CategoryAxis</CODE></A>).<P><P><DL><DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#org.jfree.chart.axis.Axis">Serialized Form</A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.awt.Font</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#DEFAULT_AXIS_LABEL_FONT">DEFAULT_AXIS_LABEL_FONT</A></B></CODE><BR> The default axis label font.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.awt.Insets</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#DEFAULT_AXIS_LABEL_INSETS">DEFAULT_AXIS_LABEL_INSETS</A></B></CODE><BR> The default axis label insets.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.awt.Paint</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#DEFAULT_AXIS_LABEL_PAINT">DEFAULT_AXIS_LABEL_PAINT</A></B></CODE><BR> The default axis label paint.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.awt.Paint</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#DEFAULT_AXIS_LINE_PAINT">DEFAULT_AXIS_LINE_PAINT</A></B></CODE><BR> The default axis line paint.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.awt.Stroke</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#DEFAULT_AXIS_LINE_STROKE">DEFAULT_AXIS_LINE_STROKE</A></B></CODE><BR> The default axis line stroke.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#DEFAULT_AXIS_VISIBLE">DEFAULT_AXIS_VISIBLE</A></B></CODE><BR> The default axis visibility.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.awt.Font</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#DEFAULT_TICK_LABEL_FONT">DEFAULT_TICK_LABEL_FONT</A></B></CODE><BR> The default tick label font.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.awt.Insets</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#DEFAULT_TICK_LABEL_INSETS">DEFAULT_TICK_LABEL_INSETS</A></B></CODE><BR> The default tick label insets.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.awt.Paint</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#DEFAULT_TICK_LABEL_PAINT">DEFAULT_TICK_LABEL_PAINT</A></B></CODE><BR> The default tick label paint.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#DEFAULT_TICK_LABELS_VISIBLE">DEFAULT_TICK_LABELS_VISIBLE</A></B></CODE><BR> The default tick labels visibility.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static float</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#DEFAULT_TICK_MARK_INSIDE_LENGTH">DEFAULT_TICK_MARK_INSIDE_LENGTH</A></B></CODE><BR> The default tick mark inside length.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static float</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#DEFAULT_TICK_MARK_OUTSIDE_LENGTH">DEFAULT_TICK_MARK_OUTSIDE_LENGTH</A></B></CODE><BR> The default tick mark outside length.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.awt.Paint</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#DEFAULT_TICK_MARK_PAINT">DEFAULT_TICK_MARK_PAINT</A></B></CODE><BR> The default tick paint.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.awt.Stroke</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#DEFAULT_TICK_MARK_STROKE">DEFAULT_TICK_MARK_STROKE</A></B></CODE><BR> The default tick stroke.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#DEFAULT_TICK_MARKS_VISIBLE">DEFAULT_TICK_MARKS_VISIBLE</A></B></CODE><BR> The default tick marks visible.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static org.jfree.util.LogContext</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#LOGGER">LOGGER</A></B></CODE><BR> Access to logging facilities.</TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected </CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#Axis(java.lang.String)">Axis</A></B>(java.lang.String label)</CODE><BR> Constructs an axis, using default values where necessary.</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"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#addChangeListener(org.jfree.chart.event.AxisChangeListener)">addChangeListener</A></B>(<A HREF="../../../../org/jfree/chart/event/AxisChangeListener.html" title="interface in org.jfree.chart.event">AxisChangeListener</A> listener)</CODE><BR> Registers an object for notification of changes to the axis.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Object</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#clone()">clone</A></B>()</CODE><BR> Returns a clone of the axis.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#configure()">configure</A></B>()</CODE><BR> Configures the axis to work with the current plot.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="../../../../org/jfree/chart/axis/AxisState.html" title="class in org.jfree.chart.axis">AxisState</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#draw(java.awt.Graphics2D, double, java.awt.geom.Rectangle2D, java.awt.geom.Rectangle2D, org.jfree.ui.RectangleEdge, org.jfree.chart.plot.PlotRenderingInfo)">draw</A></B>(java.awt.Graphics2D g2, double cursor, java.awt.geom.Rectangle2D plotArea, java.awt.geom.Rectangle2D dataArea, org.jfree.ui.RectangleEdge edge, <A HREF="../../../../org/jfree/chart/plot/PlotRenderingInfo.html" title="class in org.jfree.chart.plot">PlotRenderingInfo</A> plotState)</CODE><BR> Draws the axis on a Java 2D graphics device (such as the screen or a printer).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#drawAxisLine(java.awt.Graphics2D, double, java.awt.geom.Rectangle2D, org.jfree.ui.RectangleEdge)">drawAxisLine</A></B>(java.awt.Graphics2D g2, double cursor, java.awt.geom.Rectangle2D dataArea, org.jfree.ui.RectangleEdge edge)</CODE><BR> Draws an axis line at the current cursor position and edge.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../../../org/jfree/chart/axis/AxisState.html" title="class in org.jfree.chart.axis">AxisState</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/axis/Axis.html#drawLabel(java.lang.String, java.awt.Graphics2D, java.awt.geom.Rectangle2D, java.awt.geom.Rectangle2D, org.jfree.ui.RectangleEdge, org.jfree.chart.axis.AxisState)">drawLabel</A></B>(java.lang.String label, java.awt.Graphics2D g2, java.awt.geom.Rectangle2D plotArea, java.awt.geom.Rectangle2D dataArea, org.jfree.ui.RectangleEdge edge, <A HREF="../../../../org/jfree/chart/axis/AxisState.html" title="class in org.jfree.chart.axis">AxisState</A> state)</CODE><BR> Draws the axis label.</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/chart/axis/Axis.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object obj)</CODE><BR> Tests this axis for equality with another object.</TD>⌨️ 快捷键说明
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