lcsim-contrib/src/main/java/org/lcsim/contrib/SteveMagill

diff -N CorrScClusToRPDriver.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ CorrScClusToRPDriver.java	14 Feb 2012 19:36:23 -0000	1.1
@@ -0,0 +1,120 @@

+package org.lcsim.contrib.SteveMagill;
+
+import hep.aida.ITree;
+import hep.physics.vec.BasicHep3Vector;
+import hep.physics.vec.Hep3Vector;
+import hep.physics.particle.properties.ParticlePropertyManager;
+import hep.physics.particle.properties.ParticleType;
+import java.util.*;
+import org.lcsim.event.CalorimeterHit;
+import org.lcsim.event.EventHeader;
+import org.lcsim.event.base.BaseReconstructedParticle;
+import org.lcsim.util.Driver;
+import org.lcsim.util.aida.AIDA;
+import org.lcsim.recon.cluster.util.*;
+import static java.lang.Math.sqrt;
+import org.lcsim.event.ParticleID;
+import org.lcsim.event.ReconstructedParticle;
+import org.lcsim.event.base.BaseParticleID;
+
+/*
+ * SimpleClusterToReconstructedParticleExampleDriver.java
+ *
+ * Created on March 29, 2007, 1:52 PM
+ *
+ * $Id: CorrScClusToRPDriver.java,v 1.1 2012/02/14 19:36:23 magill Exp $
+ */
+
+/**
+ *
+ * @author Norman Graf
+ */
+public class CorrScClusToRPDriver extends Driver
+{
+    private AIDA aida = AIDA.defaultInstance();
+    private ITree _tree;
+    private String _clusternames;
+    private String _allrecoparticles;
+    private double _scfactor;
+    private double _ccfactor;
+    private double _p1;
+    private double _p2;
+    private double _p3;
+    private double _p4;
+    private double _sclc;
+    private double _cclc;
+    
+    /** Creates a new instance of SimpleClusterToReconstructedParticleExampleDriver */
+    public CorrScClusToRPDriver(double scfactor, double ccfactor, double p1, double p2, double p3, double p4, double sclc, double cclc)
+    {
+        _tree = aida.tree();
+        _scfactor = scfactor;  // calibration factor for scint cell energy
+        _ccfactor = ccfactor;  // calibration factor for ceren cell energy
+        _p1 = p1;
+        _p2 = p2;
+        _p3 = p3;
+        _p4 = p4;
+        _sclc = sclc;  // correction factor for scint clusterer
+        _cclc = cclc;  // correction factor for ceren clusterer
+    }
+    
+    protected void process(EventHeader event)
+    {
+
+        // array of ReconstructedParticles to add to the event...
+        List<ReconstructedParticle> rpList = new ArrayList<ReconstructedParticle>();
+        Map<Long, CalorimeterHit> chmap = (Map<Long, CalorimeterHit>) event.get("ChIDMap");
+
+        //  get scintillator clusters
+        List<BasicCluster> sclusters = event.get(BasicCluster.class,_clusternames);
+        for (BasicCluster sclus : sclusters)
+        {
+            double chE = 0.;
+            double ClE = _sclc*_scfactor*sclus.getEnergy();
+//            aida.cloud1D("Cluster E in RP routine").fill(ClE);
+            //  now loop over all hits in this cluster to get ceren energy
+            List<CalorimeterHit> clhits = sclus.getCalorimeterHits();
+            for (CalorimeterHit clhit : clhits)
+            {
+                long cid = clhit.getCellID();
+                boolean chit = chmap.containsKey(cid);
+                if (chit)
+                {
+                    CalorimeterHit cchit = chmap.get(cid);
+                    chE += _cclc*_ccfactor*cchit.getCorrectedEnergy();
+                }
+            }
+            double csrat = chE/ClE;
+            double cSclE = ClE/(_p1+_p2*csrat+_p3*csrat*csrat+_p4*csrat*csrat*csrat);
+            double[] pos = sclus.getPosition();
+            double norm = sqrt(pos[0]*pos[0]+pos[1]*pos[1]+pos[2]*pos[2]);
+            double p = cSclE/norm;
+            Hep3Vector mom = new BasicHep3Vector(p*pos[0], p*pos[1], p*pos[2]);
+            BaseReconstructedParticle rp = new BaseReconstructedParticle(cSclE, mom);
+            rp.setMass(0.);  //  for now, use zero mass
+            rp.setCharge(0.);  //  also use zero charge
+            //  so classify as photon type for now until better estimate
+            ParticleType photype = ParticlePropertyManager.getParticlePropertyProvider().get(22);
+            ParticleID id = new BaseParticleID(photype);
+            rp.addParticleID(id);
+            rp.setParticleIdUsed(id);
+            rp.addCluster(sclus);
+            rpList.add(rp);
+        }
+        
+        // add the list of rps to the event...
+        event.put(_allrecoparticles,rpList, ReconstructedParticle.class,0);
+        //some simple histograms...
+//        aida.cloud1D("Number of AllRecoParticles found").fill(rpList.size());
+        
+    }
+    
+  public void setClusterNames(String cnames)
+  {
+      _clusternames = cnames;
+  }
+  public void setRecoParticleName(String allRPname)
+  {
+      _allrecoparticles = allRPname;
+  }
+}

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