/*
* DynamicChartWithArithmeticMeanTrace.java of project jchart2d,
* a demonstration of the minimal code to set up a chart with
* dynamic data and a 2nd trace that shows the arithmetic mean
* of the last n datapoints added.
* Copyright (C) 2007 - 2011 Achim Westermann, created on 26.07.2007, 22:27:55
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* If you modify or optimize the code in a useful way please let me know.
* Achim.Westermann@gmx.de
*
*/
package info.monitorenter.gui.chart.demos;
import info.monitorenter.gui.chart.Chart2D;
import info.monitorenter.gui.chart.ITrace2D;
import info.monitorenter.gui.chart.io.ADataCollector;
import info.monitorenter.gui.chart.io.RandomDataCollectorTimeStamped;
import info.monitorenter.gui.chart.labelformatters.LabelFormatterDate;
import info.monitorenter.gui.chart.traces.Trace2DLtd;
import info.monitorenter.gui.chart.traces.computing.Trace2DArithmeticMean;
import info.monitorenter.gui.chart.traces.painters.TracePainterDisc;
import info.monitorenter.gui.chart.views.ChartPanel;
import java.awt.Color;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import javax.swing.JFrame;
/**
* Demonstrates minimal effort to create a dynamic chart with a 2nd trace that
* displays the arithmetic mean of the last 5 points of the first trace.
* <p>
*
* @author <a href="mailto:Achim.Westermann@gmx.de">Achim Westermann </a>
*
*/
public final class DynamicChartWithArithmeticMeanTrace {
/**
* Main entry.
* <p>
*
* @param args
* ignored
*/
public static void main(final String[] args) {
// Create a chart:
Chart2D chart = new Chart2D();
chart.getAxisX().setFormatter(
new LabelFormatterDate((SimpleDateFormat) DateFormat.getDateTimeInstance()));
// Create an ITrace:
// Note that dynamic charts need limited amount of values!!!
ITrace2D trace = new Trace2DLtd(600);
trace.setColor(Color.RED);
trace.setTracePainter(new TracePainterDisc(4));
// Create an arithmetic mean trace.
ITrace2D traceArithmeticMean = new Trace2DArithmeticMean(200);
// hook it to the initial trace:
trace.addComputingTrace(traceArithmeticMean);
// Add the trace to the chart:
chart.addTrace(trace);
// Add the arithmetic mean trace to the chart too:
chart.addTrace(traceArithmeticMean);
// Make it visible:
// Create a frame.
JFrame frame = new JFrame("DynamicChart with arithmetic mean");
// add the chart to the frame:
frame.getContentPane().add(new ChartPanel(chart));
frame.setSize(600, 300);
// Enable the termination button [cross on the upper right edge]:
frame.addWindowListener(new WindowAdapter() {
/**
* @see java.awt.event.WindowAdapter#windowClosing(java.awt.event.WindowEvent)
*/
@Override
public void windowClosing(final WindowEvent e) {
System.exit(0);
}
});
frame.setVisible(true);
// Every 50 milliseconds a new value is collected.
ADataCollector collector = new RandomDataCollectorTimeStamped(trace, 100);
collector.start();
}
/** Defcon. */
private DynamicChartWithArithmeticMeanTrace() {
// nop
}
}