jfrrechart折线图问题

a2068879 2010-01-25 04:55:43

jfrrechart折线图点与点之间是直线我想换成有弧度那种应该怎么换（类似于波浪线）
折线图点与点之间有一个方块形东西怎么能给去掉
代码如下：

package demo; 



import  java.awt.Color;  

import  java.awt.Dimension;  

import  javax.swing.JPanel;  

import  org.jfree.chart.*;  

import  org.jfree.chart.axis.*;  

import  org.jfree.chart.block.*;  

import  org.jfree.chart.labels.StandardCategoryToolTipGenerator;  

import  org.jfree.chart.plot.*;  

import  org.jfree.chart.renderer.category.LineAndShapeRenderer;  

import  org.jfree.chart.title.CompositeTitle;  

import  org.jfree.chart.title.LegendTitle;  

import  org.jfree.data.category.CategoryDataset;  

import  org.jfree.data.category.DefaultCategoryDataset;  

import  org.jfree.ui.*;  

  

public  class  aa  extends  ApplicationFrame  

{  

  

        public  aa(String  s)  

        {  

                super(s);  

                JFreeChart  jfreechart  =  createChart();  

                ChartPanel  chartpanel  =  new  ChartPanel(jfreechart);  

                chartpanel.setPreferredSize(new  Dimension(500,  270));  

                setContentPane(chartpanel);  

        }  

  

        private  static  CategoryDataset  createDataset1()  

        {  

                String  s1  =  "S1";  

                String  s2  =  "S2";  

                String  s3  =  "S3";  

                String  s4  =  "S4";  

                String  s5  =  "S5";  

                DefaultCategoryDataset  defaultcategorydataset  =  new  DefaultCategoryDataset();  

                defaultcategorydataset.addValue(150D,  s1,  s2);  

                defaultcategorydataset.addValue(200D,  s1,  s3);  

                defaultcategorydataset.addValue(80D,  s1,  s4);  

                defaultcategorydataset.addValue(220D,  s1,  s5);  

                return  defaultcategorydataset;  

        }  

  

        private  static  CategoryDataset  createDataset2()  

        {  

                String  s1  =  "S6";  

                String  s2  =  "S2";  

                String  s3  =  "S3";  

                String  s4  =  "S4";  

                String  s5  =  "S5";    

                DefaultCategoryDataset  defaultcategorydataset  =  new  DefaultCategoryDataset();  

                defaultcategorydataset.addValue(20D,  s1,  s2); 

                defaultcategorydataset.addValue(27D,  s1,  s3);  

                defaultcategorydataset.addValue(10D,  s1,  s4);  

                defaultcategorydataset.addValue(30D,  s1,  s5);  

                return  defaultcategorydataset;  

        }  

  

        private  static  JFreeChart  createChart()  

        {  

                JFreeChart  jfreechart  =  ChartFactory.createBarChart("DualAxisChart",  "Category",  "Value",  createDataset1(),  PlotOrientation.VERTICAL,  false,  true,  false);  

                jfreechart.setBackgroundPaint(Color.white);  

                CategoryPlot  categoryplot  =  (CategoryPlot)jfreechart.getPlot();  

                categoryplot.setBackgroundPaint(new  Color(238,  238,  255));  

                categoryplot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_RIGHT);  

                CategoryDataset  categorydataset  =  createDataset2();  

            

                categoryplot.setDataset(1,  categorydataset);  

               

                categoryplot.mapDatasetToRangeAxis(1,  1);  

                CategoryAxis  categoryaxis  =  categoryplot.getDomainAxis();  

                categoryaxis.setCategoryLabelPositions(CategoryLabelPositions.DOWN_45);  

                NumberAxis  numberaxis  =  new  NumberAxis("Secondary");  

                categoryplot.setRangeAxis(1,  numberaxis);  

                LineAndShapeRenderer  lineandshaperenderer  =  new  LineAndShapeRenderer();  

                lineandshaperenderer.setToolTipGenerator(new  StandardCategoryToolTipGenerator());  

                categoryplot.setRenderer(1,  lineandshaperenderer);  

                categoryplot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);  

                LegendTitle  legendtitle  =  new  LegendTitle(categoryplot.getRenderer(0));  

                legendtitle.setMargin(new  RectangleInsets(2D,  2D,  2D,  2D));  

                legendtitle.setBorder(new  BlockBorder());  

                LegendTitle  legendtitle1  =  new  LegendTitle(categoryplot.getRenderer(1));  

                legendtitle1.setMargin(new  RectangleInsets(2D,  2D,  2D,  2D));  

                legendtitle1.setBorder(new  BlockBorder());  

                BlockContainer  blockcontainer  =  new  BlockContainer(new  BorderArrangement());  

                blockcontainer.add(legendtitle,  RectangleEdge.LEFT);  

                blockcontainer.add(legendtitle1,  RectangleEdge.RIGHT);  

                blockcontainer.add(new  EmptyBlock(2000D,  0.0D));  

                CompositeTitle  compositetitle  =  new  CompositeTitle(blockcontainer);  

                compositetitle.setPosition(RectangleEdge.BOTTOM);  

                jfreechart.addSubtitle(compositetitle);  

                return  jfreechart;  

        }  

  

        public  static  JPanel  createDemoPanel()  

        {  

                JFreeChart  jfreechart  =  createChart();  

                return  new  ChartPanel(jfreechart);  

        }  

  

        public  static  void  main(String  args[])  

        {  

                aa  dualaxisdemo  =  new  aa("DualAxisDemo");  

                dualaxisdemo.pack();  

                RefineryUtilities.centerFrameOnScreen(dualaxisdemo);  

                dualaxisdemo.setVisible(true);  

        }  

}