/* A simple plot application with two plots Copyright (c) 1998-2009 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 */ package ptolemy.plot.demo; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import javax.swing.JFrame; import javax.swing.SwingUtilities; import ptolemy.plot.Plot; ////////////////////////////////////////////////////////////////////////// //// TwoPlotExample /** TwoPlotExample is a simple example that uses displays two plots side by side To compile and run this application, do the following:
 javac -classpath ../../.. TwoPlotExample.java
 java -classpath ../../.. ptolemy.plot.demo.TwoPlotExample
 
@author Christopher Hylands @version $Id: TwoPlotExample.java 57040 2010-01-27 20:52:32Z cxh $ @since Ptolemy II 0.2 @Pt.ProposedRating red (eal) @Pt.AcceptedRating red (cxh) */ public class TwoPlotExample extends JFrame { /** 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. // Note that most of these methods should be called in // the event thread, see the Plot.java class comment. // In this case, main() is invoking this constructor in // the event thread. leftPlot.setSize(350, 300); 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); // Call setConnected before reading in data. leftPlot.setConnected(false, 1); boolean first = true; for (int i = 0; i <= 100; i++) { leftPlot.addPoint(0, i, 5 * Math.cos((Math.PI * i) / 20), !first); leftPlot.addPoint(1, i, 4.5 * Math.cos((Math.PI * i) / 25), !first); leftPlot.addPoint(2, i, 4 * Math.cos((Math.PI * i) / 30), !first); leftPlot.addPoint(3, i, 3.5 * Math.cos((Math.PI * i) / 35), !first); leftPlot.addPoint(4, i, 3 * Math.cos((Math.PI * i) / 40), !first); leftPlot.addPoint(5, i, 2.5 * Math.cos((Math.PI * i) / 45), !first); leftPlot.addPoint(6, i, 2 * Math.cos((Math.PI * i) / 50), !first); leftPlot.addPoint(7, i, 1.5 * Math.cos((Math.PI * i) / 55), !first); leftPlot.addPoint(8, i, 1 * Math.cos((Math.PI * i) / 60), !first); leftPlot.addPoint(9, i, 0.5 * Math.cos((Math.PI * i) / 65), !first); first = false; } // Create the right plot by reading in a file. rightPlot.setButtons(true); leftPlot.setSize(350, 300); File file = new File(".", "data.plt"); FileInputStream input = null; try { rightPlot.clear(true); input = new FileInputStream(file); rightPlot.read(input); } catch (FileNotFoundException ex) { System.err.println("File not found: " + file + " : " + ex); } catch (IOException ex) { System.err.println("Error reading input: " + file + " : " + ex); } finally { if (input != null) { try { input.close(); } catch (Exception ex) { ex.printStackTrace(); } } } // Override the title in the file. rightPlot.setTitle("Right Plot"); // Layout the two plots GridBagLayout gridbag = new GridBagLayout(); GridBagConstraints c = new GridBagConstraints(); getContentPane().setLayout(gridbag); // Handle the leftPlot c.gridx = 0; c.gridy = 0; c.gridwidth = 1; gridbag.setConstraints(leftPlot, c); getContentPane().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); getContentPane().add(rightPlot); setVisible(true); } /** 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) { // We execute everything in the Swing Event Thread, see // the comment Runnable doAction = new Runnable() { public void run() { new TwoPlotExample(); } }; SwingUtilities.invokeLater(doAction); } }