import java.awt.*;
import java.applet.*;
import graph.*;

public class example1 extends Applet {

      Graph2D graph;
      DataSet data1;
      DataSet data2;
      Axis    xaxis;
      Axis    yaxis_left;
      Axis    yaxis_right;
      double d1[],d2[];
      int np = 100000;
 

      public void init() {
        int i,j;
        final int MAXPOINTS=12;
        double d1[] = new double[MAXPOINTS*2];
        double d2[] = new double[MAXPOINTS*2];
        double x,y;

        graph = new Graph2D();
        graph.drawzero = false;
        graph.drawgrid = false;
        graph.borderTop = 50;
        graph.borderRight=100;
        setLayout( new BorderLayout() );
        add("Center", graph);
        
        TimeInterval t= new TimeInterval();
        t.startTiming();
        for(i=0; i<MAXPOINTS; i++){
        	x=i;
        	y=i;
        	d1[i*2]=x; d1[i*2+1]=y;
        }
      	t.endTiming();
        System.out.println("time to generate " + MAXPOINTS + " values of Y=X is " + t.getElapsedTime());
         
        t= new TimeInterval();
        t.startTiming();
        for(i=0; i<MAXPOINTS; i++){
        	x=i;
        	y=i*i;
        	d2[i*2]=x; d2[i*2+1]=y;
        }
        t.endTiming();
        System.out.println("time to generate " + MAXPOINTS + " values of Y=X*X is " + t.getElapsedTime()/1000.0);
        
        data1 = graph.loadDataSet(d1,MAXPOINTS);
        data1.linestyle = 1;
        data1.linecolor   =  new Color(0,255,0);
        data1.marker    = 1;
        data1.markerscale = 1;
        data1.markercolor = new Color(0,0,255);
        data1.legend(200,100,"Y=X, linear");
        data1.legendColor(Color.black);
        
        data2 = graph.loadDataSet(d2,MAXPOINTS);
        data2.linestyle = 1;
        data2.linecolor   =  new Color(255,0,0);
        data2.marker    = 1;
        data2.markerscale = 1;
        data2.markercolor = new Color(0,0,255);
        data2.legend(200,120,"Y=X*X, quadratic");
        data2.legendColor(Color.black);

        xaxis = graph.createAxis(Axis.BOTTOM);
        xaxis.attachDataSet(data1);
        xaxis.attachDataSet(data2);
        xaxis.setTitleText("X values");
        xaxis.setTitleFont(new Font("TimesRoman",Font.PLAIN,20));
        xaxis.setLabelFont(new Font("Helvetica",Font.PLAIN,15));
/*
**      Attach the first data set to the Left Axis
*/
        yaxis_left = graph.createAxis(Axis.LEFT);
        yaxis_left.attachDataSet(data1);
        yaxis_left.attachDataSet(data2);
        yaxis_left.setTitleText("Y VALUES");
        yaxis_left.setTitleFont(new Font("TimesRoman",Font.PLAIN,20));
        yaxis_left.setLabelFont(new Font("Helvetica",Font.PLAIN,15));
        yaxis_left.setTitleColor( new Color(0,0,255) );
      
      
   }
 }



/**
  * A timing utility class useful for timing code segments
*/
 class TimeInterval {

    private long startTime, endTime;
    private long elapsedTime; // Time interval in milliseconds

    // Commands
    public void startTiming() {
        elapsedTime = 0;
        startTime = System.currentTimeMillis();
    }

    public void endTiming() {
        endTime = System.currentTimeMillis();
        elapsedTime = endTime - startTime;
    }

    // Queries
    public double getElapsedTime() {
        return (double) elapsedTime / 1000.0;
    }

}