/* Demo for a live signal plotter.

@Copyright (c) 1997-1999 The Regents of the University of California.
All rights reserved.

Permission is hereby granted, without written agreement and without
license or royalty fees, to use, copy, modify, and distribute this
software and its documentation for any purpose, provided that the
above copyright notice and the following two paragraphs appear in all
copies of this software.

IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
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PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
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@ProposedRating red (eal@eecs.berkeley.edu)
@AcceptedRating red (cxh@eecs.berkeley.edu)
*/

package ptolemy.plot.demo;

import ptolemy.plot.*;
import java.awt.*;
import java.applet.Applet;

//////////////////////////////////////////////////////////////////////////
//// PlotLiveDemo
/**
 * Dynamically plot a test signal, illustrating how to use the
 * PlotLive class.
 *
 * @author Edward A. Lee
 * @version $Id: PlotLiveDemo.java,v 1.39 1999/08/12 01:11:47 cxh Exp $
 * Particulars: Marcus I. Bursik (mib@geology.buffalo.edu)
 */
public class PlotLiveDemo extends PlotLive {

    /** Construct a plot for live, animated signal display.
     *  Configure the title, axes, points style, and persistence.
     */
    public PlotLiveDemo() {
        // NOTE: Prior to version 1.2, this was done in the init() method,
        // which is now deprecated.
        setTitle("Phase Diagram");
        setYRange(0, 1000);
        setXRange(0, 1);
	setYLabel("Temperature (K)");
	setXLabel("Mass Fraction An");
        setPointsPersistence(300);
	setBars(0.,0.);
        setMarksStyle("none");
    }
    ///////////////////////////////////////////////////////////////////
    ////                         public methods                    ////

    /** Add points to the plot.  This is called by the base class
     *  run() method when the plot is live.
     */
    public synchronized void addPoints() {
        // You could plot multiple points at a time here
        // for faster response, but in our case, we really need
        // to slow down the response for visual aesthetics.
	//  addPoint(int dataset, double x, double y,
	//              boolean connected)
        addPoint(0, Math.abs(Math.tan(Math.PI*_count/250.)),
                Math.abs(1000.*Math.cos(Math.PI*_count/1000.)), true);
        _first = false;
        _count += 1.0;
        try {
            Thread.sleep(5);
        } catch (InterruptedException e) {}
    }

    ///////////////////////////////////////////////////////////////////
    ////                         private variables                 ////

    /** @serial True if this is the first time through. */
    private boolean _first = true;

    /** @serial Value being plotted */
    private double _count = 0.0;
}