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zh-cn Sat, 29 Sep 2007 06:50:21 GMT Sat, 29 Sep 2007 06:50:21 GMT 60 JFreeChart錛氭按騫蟲鐘?D鍥懼疄渚?/title> http://m.tkk7.com/mlh123caoer/archive/2007/09/28/149094.html鑽夊効 鑽夊効 Fri, 28 Sep 2007 06:47:00 GMT http://m.tkk7.com/mlh123caoer/archive/2007/09/28/149094.html http://m.tkk7.com/mlh123caoer/comments/149094.html http://m.tkk7.com/mlh123caoer/archive/2007/09/28/149094.html#Feedback 0 http://m.tkk7.com/mlh123caoer/comments/commentRss/149094.html http://m.tkk7.com/mlh123caoer/services/trackbacks/149094.html
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2004, by Object Refinery Limited and Contributors.
*
* JFreeChart涓嬭澆鍦板潃: http://www.jfree.org/jfreechart/index.html
*
*--------------------
* BarChart3DDemo2.java
* --------------------
*/
package org.jfree.chart.demo;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.CategoryLabelPosition;
import org.jfree.chart.axis.CategoryLabelPositions;
import org.jfree.chart.axis.CategoryLabelWidthType;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.text.TextBlockAnchor;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RectangleAnchor;
import org.jfree.ui.RefineryUtilities;
import org.jfree.ui.TextAnchor;
import org.jfree.util.Log;
import org.jfree.util.PrintStreamLogTarget;
/**
* 灞曠ず濡備綍鍒涘緩姘村鉤3D媯掔姸鍥劇殑Demo
* 浣跨敤鏁版嵁鏉ヨ嚜 {@link CategoryDataset}.
*
*/
public class BarChart3DDemo2 extends ApplicationFrame {
/**
* 寤虹珛涓涓柊鐨刣emo.
*
* @param title 紿楀彛鏍囬.
*/
public BarChart3DDemo2 ( final String title ) {
super ( title ) ;
// 鍒涘緩鍥捐〃...
final DefaultCategoryDataset dataset = new DefaultCategoryDataset () ;
dataset.addValue ( 23.0 , "Series 1" , "London" ) ;
dataset.addValue ( 14.0 , "Series 1" , "New York" ) ;
dataset.addValue ( 14.0 , "Series 1" , "Istanbul" ) ;
dataset.addValue ( 14.0 , "Series 1" , "Cairo" ) ;
dataset.addValue ( 13.0 , "Series 2" , "London" ) ;
dataset.addValue ( 19.0 , "Series 2" , "New York" ) ;
dataset.addValue ( 19.0 , "Series 2" , "Istanbul" ) ;
dataset.addValue ( 19.0 , "Series 2" , "Cairo" ) ;
dataset.addValue ( 7.0 , "Series 3" , "London" ) ;
dataset.addValue ( 9.0 , "Series 3" , "New York" ) ;
dataset.addValue ( 9.0 , "Series 3" , "Istanbul" ) ;
dataset.addValue ( 9.0 , "Series 3" , "Cairo" ) ;
final JFreeChart chart = createChart ( dataset ) ;
//鎶婂浘琛ㄦ斁鍒伴潰鏉垮鍣?..
final ChartPanel chartPanel = new ChartPanel ( chart ) ;
chartPanel.setPreferredSize ( new java.awt.Dimension ( 500 , 270 )) ;
setContentPane ( chartPanel ) ;
}
/**
* 鍏堝緩涓〃鍐嶈.
*
* @param dataset the dataset.
*
* @return The chart.
*/
private JFreeChart createChart ( final CategoryDataset dataset ) {
final JFreeChart chart = ChartFactory.createBarChart3D (
"3D Bar Chart Demo 2" , // 琛ㄩ
"Category" , // 鍩熷潗鏍囨爣絳?/font>
"Value" , // 妯潗鏍囨爣絳?/font>
dataset, // 鏁版嵁
PlotOrientation.HORIZONTAL, // 鏂瑰悜
true, // 鍖呭惈鎽樿
true, // 宸ュ叿鎻愮ず
false // urls
) ;
final CategoryPlot plot = chart.getCategoryPlot () ;
plot.setForegroundAlpha ( 1.0f ) ;
// 鍒嗙被鏍囩宸﹀榻?..
final CategoryAxis axis = plot.getDomainAxis () ;
final CategoryLabelPositions p = axis.getCategoryLabelPositions () ;
final CategoryLabelPosition left = new CategoryLabelPosition (
RectangleAnchor.LEFT, TextBlockAnchor.CENTER_LEFT,
TextAnchor.CENTER_LEFT, 0.0 ,
CategoryLabelWidthType.RANGE, 0.30f
) ;
axis.setCategoryLabelPositions ( CategoryLabelPositions.replaceLeftPosition ( p, left )) ;
return chart;
}
/**
* demo紼嬪簭鐨勮搗濮嬬偣.
*
* @param args ignored.
*/
public static void main ( final String [] args ) {
Log.getInstance () .addTarget ( new PrintStreamLogTarget ()) ;
final BarChart3DDemo2 demo = new BarChart3DDemo2 ( "3D Bar Chart Demo 2" ) ;
demo.pack () ;
RefineryUtilities.centerFrameOnScreen ( demo ) ;
demo.setVisible ( true ) ;
}
}
鏈枃鎵浣跨敤鐨勭増鏈負錛歫freechart-1.0.0-rc1.zip 鍙?br />
鍙?font color="#ffffff">浠ュ埌錛歨ttp://www.jfree.org/jfreechart/index.html
]]>
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