import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;
import java.io.File;
import java.io.IOException;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartFrame;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.StandardChartTheme;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
public class DBscan {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
XYSeries xyseries = new XYSeries("样本事物数据库");
xyseries.add(1, 0);
xyseries.add(4, 0);
xyseries.add(0, 1);
xyseries.add(1, 1);
xyseries.add(2, 1);
xyseries.add(3, 1);
xyseries.add(4, 1);
xyseries.add(5, 1);
xyseries.add(0,2);
xyseries.add(1,2);
xyseries.add(4,2);
xyseries.add(1,3);
XYSeriesCollection xyseriescollection = new XYSeriesCollection(); //再用XYSeriesCollection添加入XYSeries 对象
xyseriescollection.addSeries(xyseries);
//创建主题样式
StandardChartTheme standardChartTheme=new StandardChartTheme("CN");
//设置标题字体
standardChartTheme.setExtraLargeFont(new Font("隶书",Font.BOLD,20));
//设置图例的字体
standardChartTheme.setRegularFont(new Font("宋书",Font.PLAIN,15));
//设置轴向的字体
standardChartTheme.setLargeFont(new Font("宋书",Font.PLAIN,15));
//应用主题样式
ChartFactory.setChartTheme(standardChartTheme);
//JFreeChart chart=ChartFactory.createXYAreaChart("xyPoit", "点的标号", "出现次数", xyseriescollection, PlotOrientation.VERTICAL, true, false, false);
JFreeChart chart=ChartFactory.createScatterPlot("DBSCan", "X", "Y", xyseriescollection, PlotOrientation.VERTICAL, true, false, false);
// 设置背景色为渐变色
chart.setBackgroundPaint(new GradientPaint(0,0,Color.white,1000,0,Color.red));
XYPlot plot = chart.getXYPlot();
// 前景色通明度
plot.setForegroundAlpha(1.0f);
// 设置点的颜色
// plot.getRenderer().setSeriesPaint(0, new Color(60,50,50)) ;
plot.getRenderer().setSeriesPaint(0, Color.black) ;
try {
ChartUtilities.saveChartAsPNG(new File("E:/chart/BarChart3D.png"), chart, 800, 500);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
ChartFrame ChartFrame = new ChartFrame("水果产量图",chart);
ChartFrame.pack();
//ChartFrame.setFont(new Font("宋体",Font.BOLD,20));
ChartFrame.setVisible(true);
System.out.println("绘图完成");
}
}