/**********************************************************************
# Copyright (c) EWA Systems Inc. 1998 - 2005 All Rights Reserved
#               No part of this program may be photocopied, reproduced,
#               or translated to another programming language without
#               the prior written consent of EWA Systems.
**********************************************************************/

package com.ewasystems.chart.test;

import java.awt.Color;
import com.ewasystems.chart.AxesXY;
import com.ewasystems.chart.Chart;
import com.ewasystems.chart.ChartData;
import com.ewasystems.chart.ChartFunction;
import com.ewasystems.chart.JFrameChart;

/**
 * <p>Title: Sample Function Plot</p>
 * <p>Copyright: (c) 1998 - 2005</p>
 * <p>Company: EWA Systems, Inc.</p>
 * @author Lincoln Evans-Beauchamp
 * @version 1.0
 */

public class SampleFunction extends JFrameChart
{
  public SampleFunction()
  {
    Chart chart = getChart();
    AxesXY axis = new AxesXY(chart);

    ChartFunction sinc = new ChartFunction() {
      public double f(double x) {
        if (x == 0.0) return 1.0;
        return Math.sin(Math.PI*x) / (Math.PI*x);
      }
    };
    ChartData data = new ChartData(axis, sinc, -10.0, 10.0);
    data.setLineColor(Color.blue);
  }

  public static void main(String argv[])
  {
    new SampleFunction().setVisible(true);
  }

  public String toString()
      {return "Sample Function";}
}