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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 15:14:50 BST 2006 --><TITLE>MeterPlot (JFreeChart Class Library (version 1.0.2))</TITLE><META NAME="keywords" CONTENT="org.jfree.chart.plot.MeterPlot class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="MeterPlot (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/MeterPlot.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/chart/plot/MeterInterval.html" title="class in org.jfree.chart.plot"><B>PREV CLASS</B></A> <A HREF="../../../../org/jfree/chart/plot/MultiplePiePlot.html" title="class in org.jfree.chart.plot"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?org/jfree/chart/plot/MeterPlot.html" target="_top"><B>FRAMES</B></A> <A HREF="MeterPlot.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.plot</FONT><BR>Class MeterPlot</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/jfree/chart/plot/Plot.html" title="class in org.jfree.chart.plot">org.jfree.chart.plot.Plot</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.jfree.chart.plot.MeterPlot</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable, java.lang.Cloneable, java.util.EventListener, <A HREF="../../../../org/jfree/chart/event/AxisChangeListener.html" title="interface in org.jfree.chart.event">AxisChangeListener</A>, <A HREF="../../../../org/jfree/chart/LegendItemSource.html" title="interface in org.jfree.chart">LegendItemSource</A>, <A HREF="../../../../org/jfree/data/general/DatasetChangeListener.html" title="interface in org.jfree.data.general">DatasetChangeListener</A>, org.jfree.util.PublicCloneable</DD></DL><HR><DL><DT><PRE>public class <A HREF="../../../../src-html/org/jfree/chart/plot/MeterPlot.html#line.129"><B>MeterPlot</B></A><DT>extends <A HREF="../../../../org/jfree/chart/plot/Plot.html" title="class in org.jfree.chart.plot">Plot</A><DT>implements java.io.Serializable, java.lang.Cloneable</DL></PRE><P>A plot that displays a single value in the form of a needle on a dial. Defined ranges (for example, 'normal', 'warning' and 'critical') can be highlighted on the dial.<P><P><DL><DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#org.jfree.chart.plot.MeterPlot">Serialized Form</A></DL><HR><P><!-- =========== FIELD SUMMARY =========== --><A NAME="field_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>Field Summary</B></FONT></TH></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/plot/MeterPlot.html#DEFAULT_BORDER_SIZE">DEFAULT_BORDER_SIZE</A></B></CODE><BR> The default border size.</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/plot/MeterPlot.html#DEFAULT_CIRCLE_SIZE">DEFAULT_CIRCLE_SIZE</A></B></CODE><BR> The default circle size.</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/plot/MeterPlot.html#DEFAULT_LABEL_FONT">DEFAULT_LABEL_FONT</A></B></CODE><BR> The default label font.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/MeterPlot.html#DEFAULT_METER_ANGLE">DEFAULT_METER_ANGLE</A></B></CODE><BR> The default meter angle.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static java.util.ResourceBundle</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/MeterPlot.html#localizationResources">localizationResources</A></B></CODE><BR> The resourceBundle for the localization.</TD></TR></TABLE> <A NAME="fields_inherited_from_class_org.jfree.chart.plot.Plot"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Fields inherited from class org.jfree.chart.plot.<A HREF="../../../../org/jfree/chart/plot/Plot.html" title="class in org.jfree.chart.plot">Plot</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../org/jfree/chart/plot/Plot.html#DEFAULT_BACKGROUND_ALPHA">DEFAULT_BACKGROUND_ALPHA</A>, <A HREF="../../../../org/jfree/chart/plot/Plot.html#DEFAULT_BACKGROUND_PAINT">DEFAULT_BACKGROUND_PAINT</A>, <A HREF="../../../../org/jfree/chart/plot/Plot.html#DEFAULT_FOREGROUND_ALPHA">DEFAULT_FOREGROUND_ALPHA</A>, <A HREF="../../../../org/jfree/chart/plot/Plot.html#DEFAULT_INSETS">DEFAULT_INSETS</A>, <A HREF="../../../../org/jfree/chart/plot/Plot.html#DEFAULT_LEGEND_ITEM_BOX">DEFAULT_LEGEND_ITEM_BOX</A>, <A HREF="../../../../org/jfree/chart/plot/Plot.html#DEFAULT_LEGEND_ITEM_CIRCLE">DEFAULT_LEGEND_ITEM_CIRCLE</A>, <A HREF="../../../../org/jfree/chart/plot/Plot.html#DEFAULT_OUTLINE_PAINT">DEFAULT_OUTLINE_PAINT</A>, <A HREF="../../../../org/jfree/chart/plot/Plot.html#DEFAULT_OUTLINE_STROKE">DEFAULT_OUTLINE_STROKE</A>, <A HREF="../../../../org/jfree/chart/plot/Plot.html#MINIMUM_HEIGHT_TO_DRAW">MINIMUM_HEIGHT_TO_DRAW</A>, <A HREF="../../../../org/jfree/chart/plot/Plot.html#MINIMUM_WIDTH_TO_DRAW">MINIMUM_WIDTH_TO_DRAW</A>, <A HREF="../../../../org/jfree/chart/plot/Plot.html#ZERO">ZERO</A></CODE></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"><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/chart/plot/MeterPlot.html#MeterPlot()">MeterPlot</A></B>()</CODE><BR> Creates a new plot with a default range of <code>0</code> to <code>100</code> and no value to display.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/MeterPlot.html#MeterPlot(org.jfree.data.general.ValueDataset)">MeterPlot</A></B>(<A HREF="../../../../org/jfree/data/general/ValueDataset.html" title="interface in org.jfree.data.general">ValueDataset</A> dataset)</CODE><BR> Creates a new plot that displays the value from the supplied dataset.</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> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/jfree/chart/plot/MeterPlot.html#addInterval(org.jfree.chart.plot.MeterInterval)">addInterval</A></B>(<A HREF="../../../../org/jfree/chart/plot/MeterInterval.html" title="class in org.jfree.chart.plot">MeterInterval</A> interval)</CODE><BR> Adds an interval and sends a <A HREF="../../../../org/jfree/chart/event/PlotChangeEvent.html" title="class in org.jfree.chart.event"><CODE>PlotChangeEvent</CODE></A> to all registered listeners.</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/plot/MeterPlot.html#clearIntervals()">clearIntervals</A></B>()</CODE><BR> Clears the intervals for the plot and sends a <A HREF="../../../../org/jfree/chart/event/PlotChangeEvent.html" title="class in org.jfree.chart.event"><CODE>PlotChangeEvent</CODE></A> to all registered listeners.</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/plot/MeterPlot.html#clone()">clone</A></B>()</CODE><BR> Returns an independent copy (clone) of the plot.</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/plot/MeterPlot.html#draw(java.awt.Graphics2D, java.awt.geom.Rectangle2D, java.awt.geom.Point2D, org.jfree.chart.plot.PlotState, org.jfree.chart.plot.PlotRenderingInfo)">draw</A></B>(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D area, java.awt.geom.Point2D anchor, <A HREF="../../../../org/jfree/chart/plot/PlotState.html" title="class in org.jfree.chart.plot">PlotState</A> parentState, <A HREF="../../../../org/jfree/chart/plot/PlotRenderingInfo.html" title="class in org.jfree.chart.plot">PlotRenderingInfo</A> info)</CODE><BR> Draws the plot 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/plot/MeterPlot.html#drawArc(java.awt.Graphics2D, java.awt.geom.Rectangle2D, double, double, java.awt.Paint, java.awt.Stroke)">drawArc</A></B>(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D area, double minValue, double maxValue, java.awt.Paint paint, java.awt.Stroke stroke)</CODE><BR> Draws an arc.</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/plot/MeterPlot.html#drawArcForInterval(java.awt.Graphics2D, java.awt.geom.Rectangle2D, org.jfree.chart.plot.MeterInterval)">drawArcForInterval</A></B>(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D meterArea, <A HREF="../../../../org/jfree/chart/plot/MeterInterval.html" title="class in org.jfree.chart.plot">MeterInterval</A> interval)</CODE><BR> Draws the arc to represent an interval.</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/plot/MeterPlot.html#drawTick(java.awt.Graphics2D, java.awt.geom.Rectangle2D, double)">drawTick</A></B>(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D meterArea, double value)</CODE><BR> Draws a tick.</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/plot/MeterPlot.html#drawTick(java.awt.Graphics2D, java.awt.geom.Rectangle2D, double, boolean)">drawTick</A></B>(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D meterArea, double value,⌨️ 快捷键说明
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