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loizides |
1.3 |
// $Id: MCParticle.cc,v 1.2 2008/11/21 20:15:02 loizides Exp $
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bendavid |
1.1 |
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#include "MitAna/DataTree/interface/MCParticle.h"
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ClassImp(mithep::MCParticle)
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using namespace mithep;
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//--------------------------------------------------------------------------------------------------
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Double_t MCParticle::Charge() const
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{
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loizides |
1.3 |
// Get charge from pdg lookup.
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bendavid |
1.1 |
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TParticlePDG* pdgEntry = PdgEntry();
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if (pdgEntry)
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return pdgEntry->Charge()/3.0;
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else {
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loizides |
1.2 |
Error("Charge", "Pdg code %i not found in table, returning charge=-99.0", fPdgId);
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bendavid |
1.1 |
return -99.0;
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}
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}
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//--------------------------------------------------------------------------------------------------
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loizides |
1.3 |
const MCParticle *MCParticle::FindDaughter(Int_t pid,
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Bool_t checkCharge, const MCParticle *start) const
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{
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// Return daughter with given pid. If checkCharge is false then just the type of particle is
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// checked (ie particle and anti-particle). If start is not null, start searching from
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// this daughter.
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UInt_t i = 0;
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if (start) {
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for (; i<NDaughters(); ++i) {
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if (Daughter(i)==start) {
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++i;
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break;
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}
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}
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return 0;
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}
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for (UInt_t j=i; j<NDaughters(); ++j) {
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if (Daughter(j)->Is(pid,checkCharge))
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return Daughter(j);
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}
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return 0;
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}
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//--------------------------------------------------------------------------------------------------
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const MCParticle *MCParticle::FindMother(Int_t pid, Bool_t checkCharge) const
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{
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// Return mother with given pid. If checkCharge is false then just the type of particle is
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// checked (ie particle and anti-particle).
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const MCParticle *mother = Mother();
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if (!mother)
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return 0;
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if (checkCharge) {
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while (mother->PdgId()==fPdgId)
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mother = mother->Mother();
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return mother;
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}
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Int_t apid = pid>0?pid:-pid;
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while (mother->AbsPdgId()==apid)
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mother = mother->Mother();
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return mother;
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}
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//--------------------------------------------------------------------------------------------------
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loizides |
1.2 |
void MCParticle::Print(Option_t *opt) const
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bendavid |
1.1 |
{
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loizides |
1.2 |
// Print particle kinematics. In case option "l" is given then also print info about daughters.
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printf("id=%5d st=%2d nd=%3d gen=%d px=%.3f py=%.3f pz=%.3f e=%.3f\n",
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PdgId(), Status(), NDaughters(), IsGenerated(), Px(), Py(), Pz(), E());
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if (opt && opt[0]=='l') {
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for (UInt_t i=0; i<NDaughters(); ++i) {
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printf(" %2d -> id=%5d st=%2d gen=%d px=%.3f py=%.3f pz=%.3f e=%.3f\n",
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i, Daughter(i)->PdgId(), Daughter(i)->Status(), Daughter(i)->IsGenerated(),
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Daughter(i)->Px(), Daughter(i)->Py(), Daughter(i)->Pz(), Daughter(i)->E());
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}
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}
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bendavid |
1.1 |
}
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