How to code a time delay between plotting points in JFreeCharts?
- by Javajava
Is there a way to animate the plotting process of an xy-line chart using JFreeCharts?
I want to be able to watch the program draw each line segment and connect them.
For example, if I paste this into the TextArea, "gtgtaaacaatatatggcg," I want to watch it graph each line segment one by one.
Thanks in advance! :)
My code is below:
import java.util.Scanner;
import java.applet.Applet;
import java.awt.;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import org.jfree.chart.;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.xy.*;
public class RandomWalkComplete extends Applet implements ActionListener
{
Panel panel;
TextArea textarea, outputArea;
Button move,exit;
String thetext;
Scanner reader = new Scanner(System.in);
String thetext2;
Label instructions;
int x,y;
public void init()
{
setSize(500,250); //set size of applet
instructions=new Label("Paste the gene sequences in the " +
"text field and press the graph button.");
add(instructions);
panel = new Panel();
add(panel);
setVisible(true);
textarea= new TextArea(10,20);
add(textarea);
move=new Button("Graph");
move.addActionListener(this);
add(move);
exit=new Button("Exit");
exit.addActionListener(this);
add(exit);
}
public void actionPerformed(ActionEvent e)
{
XYSeries series = new XYSeries("DNA Walk",false,true);
x= 0; y = 0;
series.add(x,y);
if(e.getSource() == move)
{
thetext=textarea.getText(); //the text is the DNA bases pasted
thetext=thetext.replaceAll(" ",""); //removes spaces
thetext2 = "";
for(int i=0; i<thetext.length(); i++)
{
char a = thetext.charAt(i);
switch (a)
{
case 'A': case 'a'://moves right
x+=1; y+=0;
series.add(x,y);
break;
case 'C': case 'c': //moves up
x+=0; y+=1;
series.add(x,y);
break;
case 'G': case 'g': //move left
x-=1; y+=0;
series.add(x,y);
break;
case 'T': case 't'://move down
x+=0; y-=1;
series.add(x,y);
break;
default: // series.add(0,0);
break;
}
}
XYDataset xyDataset = new XYSeriesCollection(series);
JFreeChart chart = ChartFactory.createXYLineChart
("DNA Random Walk", "", "", xyDataset, PlotOrientation.VERTICAL, true, true, false);
ChartFrame frame1=new ChartFrame("DNA Random Walk",chart);
frame1.setVisible(true);
frame1.setSize(300,300);
}
if(e.getSource()==exit)
{System.exit(0);}
}
public void stop(){}
}
