Reference Manual

Go to the documentation of this file.
00001 /*
00002  *  FWSimTrackProxyBuilder.cc
00003  *  FWorks
00004  *
00005  *  Created by Ianna Osborne on 9/9/10.
00006  *
00007  */
00008 
00009 #include "Fireworks/Core/interface/FWProxyBuilderBase.h"
00010 #include "Fireworks/Core/interface/Context.h"
00011 #include "Fireworks/Core/interface/FWEventItem.h"
00012 #include "SimDataFormats/Track/interface/SimTrack.h"
00013 #include "SimDataFormats/Track/interface/SimTrackContainer.h"
00014 #include "SimDataFormats/Vertex/interface/SimVertex.h"
00015 #include "SimDataFormats/Vertex/interface/SimVertexContainer.h"
00016 
00017 #include "FWCore/Common/interface/EventBase.h"
00018 
00019 #include "TEveTrack.h"
00020 #include "TParticle.h"
00021 #include "TDatabasePDG.h"
00022 
00023 class FWSimTrackProxyBuilder : public FWProxyBuilderBase
00024 {
00025 public:
00026    FWSimTrackProxyBuilder( void ) {} 
00027    virtual ~FWSimTrackProxyBuilder( void ) {}
00028 
00029    REGISTER_PROXYBUILDER_METHODS();
00030 
00031 private:
00032    // Disable default copy constructor
00033    FWSimTrackProxyBuilder( const FWSimTrackProxyBuilder& );
00034    // Disable default assignment operator
00035    const FWSimTrackProxyBuilder& operator=( const FWSimTrackProxyBuilder& );
00036 
00037    virtual void build( const FWEventItem* iItem, TEveElementList* product, const FWViewContext* );
00038 
00039    void addParticlesToPdgDataBase( void );
00040 };
00041 
00042 void
00043 FWSimTrackProxyBuilder::addParticlesToPdgDataBase( void )
00044 {
00045    static Bool_t bAdded = kFALSE;
00046    // Check if already called
00047    if(bAdded)return;
00048    bAdded = true;
00049    
00050    TDatabasePDG *pdgDB = TDatabasePDG::Instance();
00051    const Int_t kspe=50000000;
00052    
00053    // PDG nuclear states are 10-digit numbers
00054    // 10LZZZAAAI e.g. deuteron is 
00055    // 1000010020
00056    const Int_t kion=1000000000;
00057    
00058    /*
00059     const Double_t kAu2Gev=0.9314943228;
00060     */
00061    
00062    const Double_t khSlash = 1.0545726663e-27;
00063    const Double_t kErg2Gev = 1/1.6021773349e-3;
00064    const Double_t khShGev = khSlash*kErg2Gev;
00065    const Double_t kYear2Sec = 3600*24*365.25;
00066    
00067    //
00068    // Bottom mesons
00069    // mass and life-time from PDG
00070    //
00071    pdgDB->AddParticle("Upsilon(3S)","Upsilon(3S)",10.3552,kTRUE,
00072                       0,1,"Bottonium",200553);
00073    
00074    // QCD diffractive states
00075    pdgDB->AddParticle("rho_diff0","rho_diff0",0,kTRUE,
00076                       0,0,"QCD diffr. state",9900110);
00077    pdgDB->AddParticle("pi_diffr+","pi_diffr+",0,kTRUE,
00078                       0,1,"QCD diffr. state",9900210);
00079    pdgDB->AddParticle("omega_di","omega_di",0,kTRUE,
00080                       0,0,"QCD diffr. state",9900220);
00081    pdgDB->AddParticle("phi_diff","phi_diff",0,kTRUE,
00082                       0,0,"QCD diffr. state",9900330);
00083    pdgDB->AddParticle("J/psi_di","J/psi_di",0,kTRUE,
00084                       0,0,"QCD diffr. state",9900440);
00085    pdgDB->AddParticle("n_diffr0","n_diffr0",0,kTRUE,
00086                       0,0,"QCD diffr. state",9902110);
00087    pdgDB->AddParticle("p_diffr+","p_diffr+",0,kTRUE,
00088                       0,1,"QCD diffr. state",9902210);
00089    
00090    // From Herwig
00091    pdgDB->AddParticle("PSID    ", " ", 3.7699, kFALSE, 0.0, 0, "meson",   30443);
00092    
00093    pdgDB->AddParticle("A_00    ", " ", 0.9960, kFALSE, 0.0, 0, "meson",  9000111); 
00094    pdgDB->AddParticle("A_0+    ", " ", 0.9960, kFALSE, 0.0,+3, "meson",  9000211);  
00095    pdgDB->AddParticle("A_0-    ", " ", 0.9960, kFALSE, 0.0,-3, "meson", -9000211);  
00096    
00097    pdgDB->AddParticle("F0P0    ", " ", 0.9960, kFALSE, 0.0, 0, "meson",  9010221); 
00098    
00099    pdgDB->AddParticle("KDL_2+  ", " ", 1.773,  kFALSE, 0.0,+3, "meson",   10325); 
00100    pdgDB->AddParticle("KDL_2-  ", " ", 1.773,  kFALSE, 0.0,-3, "meson",  -10325); 
00101    
00102    pdgDB->AddParticle("KDL_20  ", " ", 1.773,  kFALSE, 0.0, 0, "meson",   10315); 
00103    pdgDB->AddParticle("KDL_2BR0", " ", 1.773,  kFALSE, 0.0, 0, "meson",  -10315); 
00104    
00105    pdgDB->AddParticle("PI_2+   ", " ", 1.670,  kFALSE, 0.0,+3, "meson",   10215);
00106    pdgDB->AddParticle("PI_2-   ", " ", 1.670,  kFALSE, 0.0,-3, "meson",  -10215);
00107    pdgDB->AddParticle("PI_20   ", " ", 1.670,  kFALSE, 0.0, 0, "meson",   10115);
00108    
00109    
00110    pdgDB->AddParticle("KD*+    ", " ", 1.717,  kFALSE, 0.0,+3, "meson",   30323); 
00111    pdgDB->AddParticle("KD*-    ", " ", 1.717,  kFALSE, 0.0,-3, "meson",  -30323); 
00112    
00113    pdgDB->AddParticle("KD*0    ", " ", 1.717,  kFALSE, 0.0, 0, "meson",   30313); 
00114    pdgDB->AddParticle("KDBR*0  ", " ", 1.717,  kFALSE, 0.0, 0, "meson",  -30313); 
00115    
00116    pdgDB->AddParticle("RHOD+   ", " ", 1.700,  kFALSE, 0.0,+3, "meson",   30213); 
00117    pdgDB->AddParticle("RHOD-   ", " ", 1.700,  kFALSE, 0.0,-3, "meson",  -30213); 
00118    pdgDB->AddParticle("RHOD0   ", " ", 1.700,  kFALSE, 0.0, 0, "meson",   30113); 
00119    
00120    pdgDB->AddParticle("ETA_2(L)", " ", 1.632,  kFALSE, 0.0, 0, "meson",   10225); 
00121    pdgDB->AddParticle("ETA_2(H)", " ", 1.854,  kFALSE, 0.0, 0, "meson",   10335); 
00122    pdgDB->AddParticle("OMEGA(H)", " ", 1.649,  kFALSE, 0.0, 0, "meson",   30223);
00123    
00124    
00125    pdgDB->AddParticle("KDH_2+  ", " ", 1.816,  kFALSE, 0.0,+3, "meson",   20325);
00126    pdgDB->AddParticle("KDH_2-  ", " ", 1.816,  kFALSE, 0.0,-3, "meson",  -20325);
00127    
00128    pdgDB->AddParticle("KDH_20  ", " ", 1.816,  kFALSE, 0.0, 0, "meson",   20315);
00129    pdgDB->AddParticle("KDH_2BR0", " ", 1.816,  kFALSE, 0.0, 0, "meson",  -20315);
00130    
00131    
00132    pdgDB->AddParticle("KD_3+   ", " ", 1.773,  kFALSE, 0.0,+3, "meson",     327);
00133    pdgDB->AddParticle("KD_3-   ", " ", 1.773,  kFALSE, 0.0,-3, "meson",    -327);
00134    
00135    pdgDB->AddParticle("KD_30   ", " ", 1.773,  kFALSE, 0.0, 0, "meson",     317);
00136    pdgDB->AddParticle("KD_3BR0 ", " ", 1.773,  kFALSE, 0.0, 0, "meson",    -317);
00137    
00138    pdgDB->AddParticle("RHO_3+  ", " ", 1.691,  kFALSE, 0.0,+3, "meson",     217);
00139    pdgDB->AddParticle("RHO_3-  ", " ", 1.691,  kFALSE, 0.0,-3, "meson",    -217);
00140    pdgDB->AddParticle("RHO_30  ", " ", 1.691,  kFALSE, 0.0, 0, "meson",     117);
00141    pdgDB->AddParticle("OMEGA_3 ", " ", 1.667,  kFALSE, 0.0, 0, "meson",     227);
00142    pdgDB->AddParticle("PHI_3   ", " ", 1.854,  kFALSE, 0.0, 0, "meson",     337);
00143    
00144    pdgDB->AddParticle("CHI2P_B0", " ", 10.232, kFALSE, 0.0, 0, "meson", 110551);
00145    pdgDB->AddParticle("CHI2P_B1", " ", 10.255, kFALSE, 0.0, 0, "meson", 120553);
00146    pdgDB->AddParticle("CHI2P_B2", " ", 10.269, kFALSE, 0.0, 0, "meson", 100555);
00147    pdgDB->AddParticle("UPSLON4S", " ", 10.580, kFALSE, 0.0, 0, "meson", 300553);
00148    
00149    
00150    // IONS
00151    //
00152    // Done by default now from Pythia6 table
00153    // Needed for other generators
00154    // So check if already defined
00155    
00156    
00157    Int_t ionCode = kion+10020;
00158    if(!pdgDB->GetParticle(ionCode)){
00159       pdgDB->AddParticle("Deuteron","Deuteron", 1.875613, kTRUE,
00160                          0,3,"Ion",ionCode);
00161    }
00162    pdgDB->AddAntiParticle("AntiDeuteron", - ionCode);
00163    
00164    ionCode = kion+10030;
00165    if(!pdgDB->GetParticle(ionCode)){
00166       pdgDB->AddParticle("Triton","Triton", 2.80925, kFALSE,
00167                          khShGev/(12.33*kYear2Sec),3,"Ion",ionCode);
00168    }
00169    pdgDB->AddAntiParticle("AntiTriton", - ionCode);
00170    
00171    ionCode = kion+20030;
00172    if(!pdgDB->GetParticle(ionCode)){
00173       pdgDB->AddParticle("HE3","HE3", 2.80923,kFALSE,
00174                          0,6,"Ion",ionCode);
00175    }
00176    pdgDB->AddAntiParticle("AntiHE3", - ionCode);
00177    
00178    ionCode = kion+20040;
00179    if(!pdgDB->GetParticle(ionCode)){
00180       pdgDB->AddParticle("Alpha","Alpha", 3.727417, kTRUE,
00181                          khShGev/(12.33*kYear2Sec), 6, "Ion", ionCode);
00182    }
00183    pdgDB->AddAntiParticle("AntiAlpha", - ionCode);
00184    
00185    // Special particles
00186    // 
00187    pdgDB->AddParticle("Cherenkov","Cherenkov",0,kFALSE,
00188                       0,0,"Special",kspe+50);
00189    pdgDB->AddParticle("FeedbackPhoton","FeedbackPhoton",0,kFALSE,
00190                       0,0,"Special",kspe+51);
00191    pdgDB->AddParticle("Lambda1520","Lambda1520",1.5195,kFALSE,
00192                       0.0156,0,"Resonance",3124);
00193    pdgDB->AddAntiParticle("Lambda1520bar",-3124);   
00194 }
00195 
00196 //______________________________________________________________________________
00197 
00198 void
00199 FWSimTrackProxyBuilder::build( const FWEventItem* iItem, TEveElementList* product, const FWViewContext* )
00200 {
00201    const edm::SimTrackContainer* collection = 0;
00202    iItem->get( collection );
00203 
00204    if( 0 == collection )
00205    {
00206       return;
00207    }
00208    addParticlesToPdgDataBase();
00209 
00210    TEveTrackPropagator* propagator = context().getTrackPropagator();
00211    
00212    
00213    edm::Handle<edm::SimVertexContainer> hitColl;
00214    const edm::EventBase *event = item()->getEvent();
00215    event->getByLabel( edm::InputTag( "g4SimHits" ), hitColl );
00216    
00217    int i = 0;
00218    for( std::vector<SimTrack>::const_iterator it = collection->begin(), end = collection->end(); it != end; ++it )
00219    {
00220       const SimTrack& iData = (*it);
00221       double vx = 0.0;
00222       double vy = 0.0;
00223       double vz = 0.0;
00224       double vt = 0.0;
00225       if(! iData.noVertex() && ( hitColl.isValid() && !hitColl->empty()))
00226       {
00227          int vInd = iData.vertIndex();
00228          vx = hitColl->at(vInd).position().x();
00229          vy = hitColl->at(vInd).position().y();
00230          vz = hitColl->at(vInd).position().z();
00231          vt = hitColl->at(vInd).position().t();
00232       }
00233       
00234      TParticle* particle = new TParticle;
00235      particle->SetPdgCode( iData.type());
00236      particle->SetMomentum( iData.momentum().px(), iData.momentum().py(), iData.momentum().pz(), iData.momentum().e());
00237      particle->SetProductionVertex( vx, vy, vz, vt );
00238   
00239      TEveTrack* track = new TEveTrack( particle, ++i, propagator );
00240      if( iData.charge() == 0 )
00241      {
00242        track->SetLineStyle( 7 );
00243      }
00244      track->AddPathMark( TEvePathMark( TEvePathMark::kReference, 
00245                                        TEveVector( iData.trackerSurfacePosition().x(), iData.trackerSurfacePosition().y(), iData.trackerSurfacePosition().z()),
00246                                        TEveVector( iData.trackerSurfaceMomentum().px(), iData.trackerSurfaceMomentum().py(), iData.trackerSurfaceMomentum().pz())));
00247      track->MakeTrack();
00248      setupAddElement( track, product );
00249    }
00250 }
00251 
00252 REGISTER_FWPROXYBUILDER( FWSimTrackProxyBuilder, edm::SimTrackContainer, "SimTracks", FWViewType::kAll3DBits | FWViewType::kAllRPZBits );
/data/refman/pasoursint/CMSSW_6_1_2_SLHC4_patch1/src/Fireworks/SimData/plugins/FWSimTrackProxyBuilder.cc
