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Commit in lcsim/test/org/lcsim on MAIN
Sidloi3SimplePfaTest.java+164-481.4 -> 1.5
current version of pfa integration test; does not run with build

lcsim/test/org/lcsim
Sidloi3SimplePfaTest.java 1.4 -> 1.5
diff -u -r1.4 -r1.5
--- Sidloi3SimplePfaTest.java	30 Nov 2010 17:52:02 -0000	1.4
+++ Sidloi3SimplePfaTest.java	11 Mar 2011 19:30:49 -0000	1.5
@@ -10,73 +10,189 @@
 
 import org.lcsim.event.EventHeader;
 import org.lcsim.event.ReconstructedParticle;
+import org.lcsim.event.Track;
+import org.lcsim.recon.ui.ReconDriverLoi;
 import org.lcsim.util.Driver;
 import org.lcsim.util.cache.FileCache;
 import org.lcsim.util.loop.LCSimLoop;
 
 /**
- * This test runs the PFA on a few single jet events with the sidloi3 detector.
- * It checks that the energy sum is within a reasonable range and also that the
- * sums match an answer key based on a "known good" configuration.
+ * This test runs the PFA on a few single jet events with the sidloi3 detector. It checks 
+ * that the energy sum is within a reasonable range and also that the sums match an answer 
+ * key based on a "known good" configuration.
  * 
- * @author Jeremy McCormick <[log in to unmask]>
- * @version $Id: Sidloi3SimplePfaTest.java,v 1.4 2010/11/30 17:52:02 jeremy Exp $
+ * @author jeremym
+ * @version $Id: Sidloi3SimplePfaTest.java,v 1.5 2011/03/11 19:30:49 jeremy Exp $
  */
+// TODO Add answer keys and checks for number of PFOs and Tracks found; need to figure out a reasonable tolerance.
+// TODO Figure out the total event energy from the MCParticle Tree.
+// TODO Add additional checks on energy for different particles types (e, p, gamma, K, n) and number reconstructed.
+// TODO Follow up on cause of variability in PFA answers up to 4 GeV from run to run!
 public class Sidloi3SimplePfaTest extends TestCase
 {
-    // Answer key with values rounded to two decimal places.
-    // JM Nov-29-2010
-    private static final double esums[] = { 184.13, 190.13 };
-
-    public void testSingleEvent() throws Exception
-    {
-        URL url = new URL( "http://www.lcsim.org/test/lcio/pythia_uds_nobeam_nobrem-00-500_SLIC-v2r8p3_geant4-v9r3p1_QGSP_BERT_sidloi3.slcio" );
-        FileCache cache = new FileCache();
-        File file = cache.getCachedFile( url );
-
-        LCSimLoop loop = new LCSimLoop();
-        loop.setLCIORecordSource( file );
-        loop.add( new org.lcsim.recon.ui.ReconDriverLoi() );
-        loop.add( new PfaCheckDriver() );
-        loop.loop( 1, null );
+    // Answer key for file from URL below.  --JM Feb-24-2010
+    // TODO Add all 20 events.
+    private static final double esums[] = {
+        469.856, 
+        526.766, 
+        485.973, 
+        483.366, 
+        505.079,
+        498.677,
+        506.474};
+    
+    // This file has 20 events.  Current answer key is based on this file.
+    private static final String fileUrl = "http://www.lcsim.org/test/lcio/pythia_uds_nobeam_nobrem-0-500_SLIC-v2r9p4_geant4-v9r3p2_QGSP_BERT_sidloi3.slcio";
+    
+    // Number of events to run.
+    private static final int nToRun = 7;
+       
+    // Test to run the PFA and perform some simple sanity checks on the results.
+    public void testPfa() throws Exception
+    {                                     
+        // Get the file from WWW.
+        URL url = new URL(fileUrl);
+        FileCache cache = new FileCache();               
+        File file = cache.getCachedFile(url);
+
+        // Setup the loop.
+        LCSimLoop loop = new LCSimLoop();        
+        loop.setLCIORecordSource(file);
+        loop.add(new TimerStartDriver());
+        loop.add(new ReconDriverLoi());
+        loop.add(new TimerStopDriver());
+        loop.add(new PfaCheckDriver(false, 500, 5.0));
+        
+        // Start the run timer.
+        final long startTime = System.currentTimeMillis();
+        final long endTime;
+        
+        // Run the PFA over events.
+        loop.loop(nToRun, null);
+        
+        // Print the duration of run.
+        endTime = System.currentTimeMillis();
+        final long duration = endTime - startTime;
+        System.out.println("This run of " + nToRun + " events took " + duration + " millis.");
         loop.dispose();
     }
-
+    
+    // Starts the event timer.
+    static class TimerStartDriver extends Driver
+    {
+        static long startTime;
+        public void process(EventHeader event)
+        {
+            startTime = System.currentTimeMillis();
+        }
+        
+        static public long getStarttime()
+        {
+            return startTime;
+        }
+    }
+    
+    // Stops the event timer and prints duration.
+    static class TimerStopDriver extends Driver
+    {
+        long endTime;
+        public void process(EventHeader event)
+        {
+            endTime = System.currentTimeMillis();
+            long duration = endTime - TimerStartDriver.getStarttime();
+            System.out.println("Event #" + event.getEventNumber() + " - Timer took " + duration + " millis.");
+        }        
+    }
+    
+    // Driver to perform PFA result tests.
     static class PfaCheckDriver extends Driver
     {
+        // Event counter.
         int eventn;
-
-        public void process( EventHeader event )
+        
+        // Default settings.
+        boolean checkESum = false;
+        double eventEnergy = 500;
+        double keyTolerance = 5.0;
+        
+        // No arg ctor that uses defaults.  
+        public PfaCheckDriver()
+        {}
+        
+        // ctor with arguments.
+        public PfaCheckDriver(boolean checkESum, double eventEnergy, double keyTolerance)
+        {
+            this.checkESum = checkESum;
+            this.eventEnergy = eventEnergy;
+            this.keyTolerance = keyTolerance;
+        }
+        
+        // Perform PFA result checks on this event.
+        public void process(EventHeader event)
         {
-            List< ReconstructedParticle > particles = event.get(
-                    ReconstructedParticle.class,
-                    EventHeader.RECONSTRUCTEDPARTICLES );
-            if ( particles.size() == 0 )
-                throw new RuntimeException( "No ReconstructedParticles were created by the PFA." );
-            double esum = 0;
-            for ( ReconstructedParticle particle : particles )
+            // Get the ReconParticles.
+            List<ReconstructedParticle> particles = event.get(ReconstructedParticle.class, EventHeader.RECONSTRUCTEDPARTICLES);
+            int nparticles = particles.size(); 
+            
+            // Make sure some ReconParticles were created.
+            assertTrue(nparticles > 0);
+           
+            // Compute energy sum of RPs.
+            double reconEnergy = 0;
+            for (ReconstructedParticle particle : particles)
             {
-                esum += particle.getEnergy();
+                reconEnergy += particle.getEnergy();
             }
             
-            // Compute difference of total from answer key.
-            double ediff = abs( esum - esums[eventn] );
-            
-            // Print energy sum and difference from key.
-            System.out.println( "event <" + event.getEventNumber() + "> - esum <" + esum + ">, ediff <" + ediff + ">");
-                                    
-            // Check that the energy is within a 20 GeV window of the expected total.
-            if ( esum < 180. || esum > 220. )
-                throw new RuntimeException( "esum <" + esum + "> is more than 20 GeV off from 200 GeV event energy." );
-
-            // Check that energy matches a cached value within a 3 GeV tolerance. 
-            // A difference here could be okay if changes are made to the PFA that 
-            // alter the reconstructed energy significantly.  In this case, the answer 
-            // table should be changed to match the new, correct values.
-            if ( ediff > 3.0 )
-                throw new RuntimeException( "esum <" + esum + "> does not match stored value <" + esums[ eventn ] + "> within 0.01 GeV tolerance." );
+            // Make sure the ReconstructedParticles have a non-zero energy total.
+            assertTrue(reconEnergy > 0);
 
+            // Make sure that some Tracks were created.
+            int ntracks = event.get(Track.class, "Tracks").size();            
+            assertTrue(ntracks > 0);
+
+            // Print event summary.
+            System.out.println("  nReconParticles = " + nparticles);
+            System.out.println("  nTracks = " + ntracks);        
+            System.out.println("  energySum = " + reconEnergy);
+            
+            // Perform energy sum checks against event energy and answer key.
+            if (checkESum)
+            {          
+                // Check that event has answer key entry.
+                if (eventn <= (esums.length - 1))
+                {                               
+                    // Print expected key value.
+                    System.out.println("  energyKey = " + esums[eventn]);
+                    
+                    // Compute difference of total E from answer key.
+                    double keyDiff = reconEnergy - esums[eventn];
+
+                    // Print difference from key.
+                    System.out.println("  keyDiff = " + keyDiff);
+                                
+                    // Check that energy matches the answer key within 3 GeV.
+                    if (abs(keyDiff) > keyTolerance)
+                        throw new RuntimeException("Energy sum " + reconEnergy + " does not match answer key value " + esums[eventn] + " within " + keyTolerance + " GeV tolerance.");
+                }
+                else
+                {
+                    System.out.println("  Skipping answer key check for event " + eventn + " which has no entry!");
+                }
+                
+                // Compute difference of recon energy from event energy.
+                double eventDiff = reconEnergy - eventEnergy;
+                
+                // Print difference from event energy.
+                System.out.println("  eventDiff = " + eventDiff);
+                 
+                // Check that energy sum is within 40 GeV.
+                if (abs(eventDiff) > 40)
+                    throw new RuntimeException("Energy sum " + eventDiff + " is more than 40 GeV off from event energy of " + eventEnergy + " GeV.");                               
+            }        
+            
+            // Increment event country for answer key index.
             ++eventn;
         }
     }
-}
\ No newline at end of file
+}
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