/* A simple plot application with two plots

 Copyright (c) 1998-1999 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
 THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
 SUCH DAMAGE.

 THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
 PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
 CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
 ENHANCEMENTS, OR MODIFICATIONS.

                                        PT_COPYRIGHT_VERSION_2
                                        COPYRIGHTENDKEY
@ProposedRating red (eal@eecs.berkeley.edu)
@AcceptedRating red (cxh@eecs.berkeley.edu)
*/

package ptolemy.plot.demo;

// This class is not in the ptolemy.plot package so that it is a
// more realistic example.
import ptolemy.plot.*;
import java.awt.*;

// The java.io imports are only necessary for the right hand plot.
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

//////////////////////////////////////////////////////////////////////////
//// TwoPlotExample
/**
TwoPlotExample is a simple example that uses displays two plots side by side
To compile and run this application, do the following:
<pre>
javac -classpath ../../.. TwoPlotExample.java
java -classpath ../../.. ptolemy.plot.demo.TwoPlotExample
</pre>

@author Christopher Hylands
@version $Id: TwoPlotExample.java,v 1.8 1999/08/15 12:43:54 eal Exp $
*/
public class TwoPlotExample extends Frame {

    /** We use a constructor here so that we can call methods
     *  directly on the Frame.  The main method is static
     *  so getting at the Frame is a little trickier.
     */
    TwoPlotExample() {
        // Instantiate the two plots.
        Plot leftPlot = new Plot();
        Plot rightPlot = new Plot();

        // Set the size of the toplevel window.
        setSize(800, 300);

        // Create the left plot by calling methods.
        leftPlot.setButtons(true);
        leftPlot.setTitle("Left Plot");
        leftPlot.setYRange(-4, 4);
        leftPlot.setXRange(0, 100);
        leftPlot.setXLabel("time");
        leftPlot.setYLabel("value");
        leftPlot.addYTick("-PI", -Math.PI);
        leftPlot.addYTick("-PI/2", -Math.PI/2);
        leftPlot.addYTick("0",0);
        leftPlot.addYTick("PI/2", Math.PI/2);
        leftPlot.addYTick("PI", Math.PI);
        leftPlot.setMarksStyle("none");
        leftPlot.setImpulses(true);

        boolean first = true;
        for (int i = 0; i <= 100; i++) {
            leftPlot.addPoint(0, (double)i,
                    5 * Math.cos(Math.PI * i/20), !first);
            leftPlot.addPoint(1, (double)i,
                    4.5 * Math.cos(Math.PI * i/25), !first);
            leftPlot.addPoint(2, (double)i,
                    4 * Math.cos(Math.PI * i/30), !first);
            leftPlot.addPoint(3, (double)i,
                    3.5* Math.cos(Math.PI * i/35), !first);
            leftPlot.addPoint(4, (double)i,
                    3 * Math.cos(Math.PI * i/40), !first);
            leftPlot.addPoint(5, (double)i,
                    2.5 * Math.cos(Math.PI * i/45), !first);
            leftPlot.addPoint(6, (double)i,
                    2 * Math.cos(Math.PI * i/50), !first);
            leftPlot.addPoint(7, (double)i,
                    1.5 * Math.cos(Math.PI * i/55), !first);
            leftPlot.addPoint(8, (double)i,
                    1 * Math.cos(Math.PI * i/60), !first);
            leftPlot.addPoint(9, (double)i,
                    0.5 * Math.cos(Math.PI * i/65), !first);
            first = false;

        }

        // Create the right plot by reading in a file.
        rightPlot.setButtons(true);
        File file = new File(".", "data.plt");
        try {
            rightPlot.clear(true);
            rightPlot.read(new FileInputStream(file));
        } catch (FileNotFoundException ex) {
            Message msg = new Message("File not found: " + file + " : " + ex);
        } catch (IOException ex) {
            Message msg = new Message("Error reading input: " + file +
                    " : " + ex);
        }
        // Override the title in the file.
        rightPlot.setTitle("Right Plot");


        // Layout the two plots
        GridBagLayout gridbag = new GridBagLayout();
        GridBagConstraints c = new GridBagConstraints();
        setLayout(gridbag);

        // Handle the leftPlot
        c.gridx = 0;
        c.gridy = 0;
        c.gridwidth = 1;
        gridbag.setConstraints(leftPlot, c);
        add(leftPlot);

        // Handle the rightPlot
        c.gridx = 1;
        c.gridy = 0;
        c.gridwidth = 1;
        c.fill = GridBagConstraints.BOTH;
        c.weightx = 1.0;
        c.weighty = 1.0;
        gridbag.setConstraints(rightPlot, c);
        add(rightPlot);

        show();
    }


    /** main method called in a standalone java application.
     *  We simple instantiate this class, most of the work
     *  happens in the constructor.
     */
    public static void main(String args[]) {
        TwoPlotExample twoPlotExample = new TwoPlotExample();
    }
}