diff -N TrivialPFA.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ TrivialPFA.java	22 Jun 2006 01:42:44 -0000	1.1
@@ -0,0 +1,106 @@

+package org.lcsim.plugin.web.examples;
+
+import org.lcsim.util.hitmap.*;
+import org.lcsim.util.*;
+import org.lcsim.event.*;
+import org.lcsim.event.util.*;
+import java.util.*;
+
+import org.lcsim.recon.cluster.util.CalHitMapDriver;
+import org.lcsim.digisim.DigiSimDriver;
+import org.lcsim.digisim.CalorimeterHitsDriver;
+import org.lcsim.util.hitmap.HitListToHitMapDriver;
+import org.lcsim.util.hitmap.HitMapToHitListDriver;
+import org.lcsim.event.util.CreateFinalStateMCParticleList;
+import org.lcsim.recon.cluster.cheat.PerfectClusterer;
+import org.lcsim.recon.pfa.cheat.PerfectIdentifier;
+import org.lcsim.recon.pfa.output.EnergySumPlotter;
+import org.lcsim.recon.pfa.output.CorrectedEnergySumPlotter;
+
+/**
+ * A very simple cheating PFA, to serve as a worked example.
+ *
+ * @version $Id: TrivialPFA.java,v 1.1 2006/06/22 01:42:44 mcharles Exp $
+ */
+public class TrivialPFA extends Driver
+{
+    /**
+     *  Constructor. This sets up all of the daughter drivers.
+     */
+  public TrivialPFA()
+  {
+    // Set up and run DigiSim, based on org.lcsim.plugin.web.examples.DigiSimExample:
+    // CalHitMapDriver is needed by DigiSim
+    add(new org.lcsim.recon.cluster.util.CalHitMapDriver());
+    // DigiSim: SimCalHits -> RawCalHits
+    org.lcsim.digisim.DigiSimDriver digi = new org.lcsim.digisim.DigiSimDriver();
+    add(digi);
+    // RawCalHits -> SimCalorimeterHits
+    add( new org.lcsim.digisim.SimCalorimeterHitsDriver() );
+
+    // Set up a hitmap for the raw hits
+    HitListToHitMapDriver rawHitMap = new HitListToHitMapDriver();
+    rawHitMap.addInputList("EcalBarrHits");
+    rawHitMap.addInputList("EcalEndcapHits");
+    rawHitMap.addInputList("HcalBarrHits");
+    rawHitMap.addInputList("HcalEndcapHits");
+    rawHitMap.setOutput("raw hitmap");
+    add(rawHitMap);
+
+    // Set up a hitmap for the digisim output hits
+    HitListToHitMapDriver digiHitMap = new HitListToHitMapDriver();
+    digiHitMap.addInputList("EcalBarrDigiHits");
+    digiHitMap.addInputList("EcalEndcapDigiHits");
+    digiHitMap.addInputList("HcalBarrDigiHits");
+    digiHitMap.addInputList("HcalEndcapDigiHits");
+    digiHitMap.setOutput("digi hitmap");
+    add(digiHitMap);
+    
+    // Do hit map -> hit list conversion
+    HitMapToHitListDriver rawConverterDriver = new HitMapToHitListDriver();
+    rawConverterDriver.setInputHitMap("raw hitmap");
+    rawConverterDriver.setOutputList("raw hits (displayable)");
+    add(rawConverterDriver);
+    HitMapToHitListDriver digiConverterDriver = new HitMapToHitListDriver();
+    digiConverterDriver.setInputHitMap("digi hitmap");
+    digiConverterDriver.setOutputList("digi hits (displayable)");
+    add(digiConverterDriver);
+
+    // Set up the MC list
+    CreateFinalStateMCParticleList mcListMakerGen = new CreateFinalStateMCParticleList("Gen");
+    CreateFinalStateMCParticleList mcListMakerSim = new CreateFinalStateMCParticleList("Sim");
+    add(mcListMakerGen);
+    add(mcListMakerSim);
+    String mcListGen = "GenFinalStateParticles";
+    String mcListSim = "SimFinalStateParticles";
+    String mcList = mcListGen; // Can choose the Gen or Sim list here
+
+    // Cluster the hits (perfect pattern recognition)
+    PerfectClusterer clusterer = new PerfectClusterer();
+    clusterer.setInputHitMap("digi hitmap");
+    clusterer.setOutputHitMap("leftover hits");
+    clusterer.setOutputClusterList("perfect clusters");
+    clusterer.setMCParticleList(mcList);
+    add(clusterer);
+
+    // Find tracks
+    // Output: List<Track> saved as EventHeader.TRACKS
+    add (new org.lcsim.mc.fast.tracking.MCFastTracking());
+
+    // ID the clusters and create reconstructed particles
+    PerfectIdentifier id = new PerfectIdentifier();
+    id.setInputClusterList("perfect clusters");
+    id.setOutputParticleList("perfect particles");
+    id.setMCParticleList(mcList);
+    id.setInputTrackList(EventHeader.TRACKS);
+    add(id);
+
+    // Plot the total energy (using only particles with
+    // clusters in the calorimeter)
+    add(new EnergySumPlotter("perfect particles", "perfect.aida"));
+
+    // Plot the total energy (correcting for particles which didn't
+    // leave any hits in the calorimeter)
+    add(new CorrectedEnergySumPlotter("digi hitmap", "perfect particles", mcList, "corrected.aida"));
+  }
+}