/*
* TraceTester, an incredible old but remarkable weird visual test for
* the automatic scaling routines of jchart2d.
*
* Copyright (c) 2007 - 2011 Achim Westermann, Achim.Westermann@gmx.de
*
* 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.ITracePoint2D;
import info.monitorenter.gui.chart.TracePoint2D;
import info.monitorenter.gui.chart.traces.Trace2DBijective;
import info.monitorenter.gui.chart.traces.Trace2DLtd;
import info.monitorenter.gui.chart.traces.Trace2DLtdReplacing;
import info.monitorenter.gui.chart.traces.Trace2DLtdSorted;
import info.monitorenter.gui.chart.traces.Trace2DReplacing;
import info.monitorenter.gui.chart.traces.Trace2DSimple;
import info.monitorenter.gui.chart.traces.Trace2DSorted;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
/**
* A test class that steps through all <code>ITrace2D</code> implementations and
* adds random or "half- random" <code>TracePoint2D</code> -instances.
* <p>
*
* You may see, that not all <code>ITrace2D</code> implementations work as
* proposed (Trace2DLimitedReplacing). This will be fixed.
* <p>
*
* @author Achim Westermann <a
* href='mailto:Achim.Westermann@gmx.de'>Achim.Westermann@gmx.de </a>
*
* @version $Revision: 1.8 $
*/
public final class TraceTester {
/**
* Generates "half random" points.
* <p>
* Unlike random points half random points are not totally random samples
* within the given bounds but repeat the same x value 10 times.
* <p>
*
* @author <a href="mailto:Achim.Westermann@gmx.de">Achim Westermann </a>
*
*
* @version $Revision: 1.8 $
*/
static class HalfRandomPoints extends TraceTester.RandomPoints {
/** The old x value. */
private double m_oldx = 0;
/**
* Defines how often the same x value is returned from subsequent calls to
* {@link #nextPoint()}.
*/
private double m_samexcount = 0;
/**
* Creates a half random point generator that will create random points
* within ([minx..minx+maxx], [miny..miny+maxy]).
* <p>
*
* @param minx
* the lower x bound for points to generate.
*
* @param maxx
* the x range for points to generate.
*
* @param miny
* the lower y bound for points to generate.
*
* @param maxy
* the y range for points to generate.
*
*/
HalfRandomPoints(final int minx, final int maxx, final int miny, final int maxy) {
super(minx, maxx, miny, maxy);
this.m_oldx = (maxx - minx) / 2.0;
}
/**
* @see info.monitorenter.gui.chart.demos.TraceTester.RandomPoints#nextPoint()
*/
@Override
public ITracePoint2D nextPoint() {
if (this.m_samexcount == 10) {
this.m_samexcount = 0;
this.m_oldx = this.m_rand.nextDouble() * this.m_xrange + this.m_xmin;
}
this.m_samexcount++;
return new TracePoint2D(this.m_oldx, this.m_rand.nextDouble() * this.m_yrange + this.m_ymin);
}
}
/**
* Helper that creates random points.
* <p>
*
* @author <a href="mailto:Achim.Westermann@gmx.de">Achim Westermann </a>
*
* @version $Revision: 1.8 $
*/
private static class RandomPoints {
/** Used for randomization. */
protected java.util.Random m_rand = new java.util.Random();
/** Minimum bound for x. */
protected double m_xmin;
/** Range for x. */
protected double m_xrange;
/** Minimum bound for y. */
protected double m_ymin;
/** Range for y. */
protected double m_yrange;
/**
* Creates a random point generator that will create random points within
* ([minx..minx+maxx], [miny..miny+maxy]).
* <p>
*
* @param minx
* the lower x bound for points to generate.
*
* @param maxx
* the x range for points to generate.
*
* @param miny
* the lower y bound for points to generate.
*
* @param maxy
* the y range for points to generate.
*
*/
RandomPoints(final int minx, final int maxx, final int miny, final int maxy) {
if (minx >= maxx) {
throw new IllegalArgumentException("minx>=maxx!");
}
if (miny >= maxy) {
throw new IllegalArgumentException("miny>=maxy!");
}
this.m_xmin = minx;
this.m_xrange = maxx - minx;
this.m_ymin = miny;
this.m_yrange = maxy - miny;
}
/**
* Returns the next random point.
* <p>
*
* @return the next random point.
*/
public ITracePoint2D nextPoint() {
return new TracePoint2D(this.m_rand.nextDouble() * this.m_xrange + this.m_xmin, this.m_rand
.nextDouble()
* this.m_yrange + this.m_ymin);
}
}
/**
* Main entry.
* <p>
*
* @param args
* ignored.
*/
@SuppressWarnings("unchecked")
public static void main(final String[] args) {
try {
Class< ? extends ITrace2D>[] traces = new Class[] {Trace2DSimple.class,
Trace2DBijective.class, Trace2DReplacing.class, Trace2DSorted.class, Trace2DLtd.class,
Trace2DLtdReplacing.class, Trace2DLtdSorted.class };
RandomPoints rand = new RandomPoints(0, 3, 0, 3);
Chart2D test = new Chart2D();
JFrame frame = new JFrame("TraceTester");
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.getContentPane().add(test);
frame.setSize(600, 500);
frame.setLocation(200, 200);
frame.setVisible(true);
ITrace2D current = null;
for (int i = 0; i < traces.length; i++) {
current = traces[i].newInstance();
test.addTrace(current);
frame.setTitle("TraceTester: full-random, current: " + traces[i].getName());
for (int j = 0; j < 200; j++) {
current.addPoint(rand.nextPoint());
Thread.sleep(50);
}
Thread.sleep(2000);
test.removeTrace(current);
}
rand = new HalfRandomPoints(0, 3, 0, 3);
for (int i = 0; i < traces.length; i++) {
current = traces[i].newInstance();
test.addTrace(current);
frame.setTitle("TraceTester: repeating x 10 times, current: " + traces[i].getName());
for (int j = 0; j < 200; j++) {
current.addPoint(rand.nextPoint());
Thread.sleep(50);
}
Thread.sleep(2000);
test.removeTrace(current);
}
System.exit(0);
} catch (Throwable f) {
f.printStackTrace();
System.exit(0);
}
}
/**
* Defcon.
* <p>
*/
private TraceTester() {
// nop
}
}