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diff --git a/src/InputHandler/GENIEInputHandler.cxx b/src/InputHandler/GENIEInputHandler.cxx
index 64d7578..fa85737 100644
--- a/src/InputHandler/GENIEInputHandler.cxx
+++ b/src/InputHandler/GENIEInputHandler.cxx
@@ -1,446 +1,451 @@
// Copyright 2016 L. Pickering, P Stowell, R. Terri, C. Wilkinson, C. Wret
/*******************************************************************************
* This file is part of NUISANCE.
*
* NUISANCE is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* NUISANCE is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with NUISANCE. If not, see <http://www.gnu.org/licenses/>.
*******************************************************************************/
#ifdef __GENIE_ENABLED__
#include "GENIEInputHandler.h"
#include "InputUtils.h"
GENIEGeneratorInfo::~GENIEGeneratorInfo() { DeallocateParticleStack(); }
void GENIEGeneratorInfo::AddBranchesToTree(TTree* tn) {
tn->Branch("GenieParticlePDGs", &fGenieParticlePDGs, "GenieParticlePDGs/I");
}
void GENIEGeneratorInfo::SetBranchesFromTree(TTree* tn) {
tn->SetBranchAddress("GenieParticlePDGs", &fGenieParticlePDGs);
}
void GENIEGeneratorInfo::AllocateParticleStack(int stacksize) {
fGenieParticlePDGs = new int[stacksize];
}
void GENIEGeneratorInfo::DeallocateParticleStack() {
delete fGenieParticlePDGs;
}
void GENIEGeneratorInfo::FillGeneratorInfo(NtpMCEventRecord* ntpl) {
Reset();
// Check for GENIE Event
if (!ntpl) return;
if (!ntpl->event) return;
// Cast Event Record
GHepRecord* ghep = static_cast<GHepRecord*>(ntpl->event);
if (!ghep) return;
// Fill Particle Stack
GHepParticle* p = 0;
TObjArrayIter iter(ghep);
// Loop over all particles
int i = 0;
while ((p = (dynamic_cast<genie::GHepParticle*>((iter).Next())))) {
if (!p) continue;
// Get PDG
fGenieParticlePDGs[i] = p->Pdg();
i++;
}
}
void GENIEGeneratorInfo::Reset() {
for (int i = 0; i < kMaxParticles; i++) {
fGenieParticlePDGs[i] = 0;
}
}
GENIEInputHandler::GENIEInputHandler(std::string const& handle,
std::string const& rawinputs) {
LOG(SAM) << "Creating GENIEInputHandler : " << handle << std::endl;
// Run a joint input handling
fName = handle;
// Setup the TChain
fGENIETree = new TChain("gtree");
fSaveExtra = FitPar::Config().GetParB("SaveExtraGenie");
fCacheSize = FitPar::Config().GetParI("CacheSize");
fMaxEvents = FitPar::Config().GetParI("MAXEVENTS");
// Loop over all inputs and grab flux, eventhist, and nevents
std::vector<std::string> inputs = InputUtils::ParseInputFileList(rawinputs);
for (size_t inp_it = 0; inp_it < inputs.size(); ++inp_it) {
// Open File for histogram access
TFile* inp_file = new TFile(
InputUtils::ExpandInputDirectories(inputs[inp_it]).c_str(), "READ");
if (!inp_file or inp_file->IsZombie()) {
THROW("GENIE File IsZombie() at : '"
<< inputs[inp_it] << "'" << std::endl
<< "Check that your file paths are correct and the file exists!"
<< std::endl
<< "$ ls -lh " << inputs[inp_it]);
}
// Get Flux/Event hist
TH1D* fluxhist = (TH1D*)inp_file->Get("nuisance_flux");
TH1D* eventhist = (TH1D*)inp_file->Get("nuisance_events");
if (!fluxhist or !eventhist) {
ERROR(FTL, "Input File Contents: " << inputs[inp_it]);
inp_file->ls();
THROW("GENIE FILE doesn't contain flux/xsec info."
<< std::endl
<< "Try running the app PrepareGENIE first on :" << inputs[inp_it]
<< std::endl
<< "$ PrepareGENIE -h");
}
// Get N Events
TTree* genietree = (TTree*)inp_file->Get("gtree");
if (!genietree) {
ERROR(FTL, "gtree not located in GENIE file: " << inputs[inp_it]);
THROW("Check your inputs, they may need to be completely regenerated!");
throw;
}
int nevents = genietree->GetEntries();
if (nevents <= 0) {
THROW("Trying to a TTree with "
<< nevents << " to TChain from : " << inputs[inp_it]);
}
// Register input to form flux/event rate hists
RegisterJointInput(inputs[inp_it], nevents, fluxhist, eventhist);
// Add To TChain
fGENIETree->AddFile(inputs[inp_it].c_str());
}
// Registor all our file inputs
SetupJointInputs();
// Assign to tree
fEventType = kGENIE;
fGenieNtpl = NULL;
fGENIETree->SetBranchAddress("gmcrec", &fGenieNtpl);
fGENIETree->GetEntry(0);
// Create Fit Event
fNUISANCEEvent = new FitEvent();
fNUISANCEEvent->SetGenieEvent(fGenieNtpl);
if (fSaveExtra) {
fGenieInfo = new GENIEGeneratorInfo();
fNUISANCEEvent->AddGeneratorInfo(fGenieInfo);
}
fNUISANCEEvent->HardReset();
};
GENIEInputHandler::~GENIEInputHandler() {
// if (fGenieGHep) delete fGenieGHep;
// if (fGenieNtpl) delete fGenieNtpl;
// if (fGENIETree) delete fGENIETree;
// if (fGenieInfo) delete fGenieInfo;
}
void GENIEInputHandler::CreateCache() {
if (fCacheSize > 0) {
// fGENIETree->SetCacheEntryRange(0, fNEvents);
fGENIETree->AddBranchToCache("*", 1);
fGENIETree->SetCacheSize(fCacheSize);
}
}
void GENIEInputHandler::RemoveCache() {
// fGENIETree->SetCacheEntryRange(0, fNEvents);
fGENIETree->AddBranchToCache("*", 0);
fGENIETree->SetCacheSize(0);
}
FitEvent* GENIEInputHandler::GetNuisanceEvent(const UInt_t entry,
const bool lightweight) {
if (entry >= (UInt_t)fNEvents) return NULL;
// Read Entry from TTree to fill NEUT Vect in BaseFitEvt;
fGENIETree->GetEntry(entry);
// Run NUISANCE Vector Filler
if (!lightweight) {
CalcNUISANCEKinematics();
}
#ifdef __PROB3PP_ENABLED__
-
else {
- GHepRecord* GenieGHep =
- static_cast<GHepRecord*>(fNUISANCEEvent->fGenieNtpl->event);
- if (!GenieGHep) return;
- TObjArrayIter iter(GenieGHep);
+ // Check for GENIE Event
+ if (!fGenieNtpl) return NULL;
+ if (!fGenieNtpl->event) return NULL;
+
+ // Cast Event Record
+ fGenieGHep = static_cast<GHepRecord*>(fGenieNtpl->event);
+ if (!fGenieGHep) return NULL;
+
+ TObjArrayIter iter(fGenieGHep);
+ genie::GHepParticle* p;
while ((p = (dynamic_cast<genie::GHepParticle*>((iter).Next())))) {
if (!p) {
continue;
}
// Get Status
int state = GetGENIEParticleStatus(p, fNUISANCEEvent->fMode);
if (state != genie::kIStInitialState) {
continue;
}
fNUISANCEEvent->probe_E = p->E() * 1.E3;
fNUISANCEEvent->probe_pdg = p->Pdg();
break;
}
}
#endif
// Setup Input scaling for joint inputs
fNUISANCEEvent->InputWeight = GetInputWeight(entry);
return fNUISANCEEvent;
}
int GENIEInputHandler::GetGENIEParticleStatus(genie::GHepParticle* p,
int mode) {
/*
kIStUndefined = -1,
kIStInitialState = 0, / generator-level initial state /
kIStStableFinalState = 1, / generator-level final state:
particles to be tracked by detector-level MC /
kIStIntermediateState = 2,
kIStDecayedState = 3,
kIStCorrelatedNucleon = 10,
kIStNucleonTarget = 11,
kIStDISPreFragmHadronicState = 12,
kIStPreDecayResonantState = 13,
kIStHadronInTheNucleus = 14, / hadrons inside the nucleus: marked
for hadron transport modules to act on /
kIStFinalStateNuclearRemnant = 15, / low energy nuclear fragments
entering the record collectively as a 'hadronic blob' pseudo-particle /
kIStNucleonClusterTarget = 16, // for composite nucleons before
phase space decay
*/
int state = kUndefinedState;
switch (p->Status()) {
case genie::kIStNucleonTarget:
case genie::kIStInitialState:
case genie::kIStCorrelatedNucleon:
case genie::kIStNucleonClusterTarget:
state = kInitialState;
break;
case genie::kIStStableFinalState:
state = kFinalState;
break;
case genie::kIStHadronInTheNucleus:
if (abs(mode) == 2)
state = kInitialState;
else
state = kFSIState;
break;
case genie::kIStPreDecayResonantState:
case genie::kIStDISPreFragmHadronicState:
case genie::kIStIntermediateState:
state = kFSIState;
break;
case genie::kIStFinalStateNuclearRemnant:
case genie::kIStUndefined:
case genie::kIStDecayedState:
default:
break;
}
// Flag to remove nuclear part in genie
if (p->Pdg() > 1000000) {
if (state == kInitialState)
state = kNuclearInitial;
else if (state == kFinalState)
state = kNuclearRemnant;
}
return state;
}
#endif
#ifdef __GENIE_ENABLED__
int GENIEInputHandler::ConvertGENIEReactionCode(GHepRecord* gheprec) {
// Electron Scattering
if (gheprec->Summary()->ProcInfo().IsEM()) {
if (gheprec->Summary()->InitState().ProbePdg() == 11) {
if (gheprec->Summary()->ProcInfo().IsQuasiElastic())
return 1;
else if (gheprec->Summary()->ProcInfo().IsMEC())
return 2;
else if (gheprec->Summary()->ProcInfo().IsResonant())
return 13;
else if (gheprec->Summary()->ProcInfo().IsDeepInelastic())
return 26;
else {
ERROR(WRN,
"Unknown GENIE Electron Scattering Mode!"
<< std::endl
<< "ScatteringTypeId = "
<< gheprec->Summary()->ProcInfo().ScatteringTypeId() << " "
<< "InteractionTypeId = "
<< gheprec->Summary()->ProcInfo().InteractionTypeId()
<< std::endl
<< genie::ScatteringType::AsString(
gheprec->Summary()->ProcInfo().ScatteringTypeId())
<< " "
<< genie::InteractionType::AsString(
gheprec->Summary()->ProcInfo().InteractionTypeId())
<< " " << gheprec->Summary()->ProcInfo().IsMEC());
return 0;
}
}
// Weak CC
} else if (gheprec->Summary()->ProcInfo().IsWeakCC()) {
// CC MEC
if (gheprec->Summary()->ProcInfo().IsMEC()) {
if (pdg::IsNeutrino(gheprec->Summary()->InitState().ProbePdg()))
return 2;
else if (pdg::IsAntiNeutrino(gheprec->Summary()->InitState().ProbePdg()))
return -2;
// CC OTHER
} else {
return utils::ghep::NeutReactionCode(gheprec);
}
// Weak NC
} else if (gheprec->Summary()->ProcInfo().IsWeakNC()) {
// NC MEC
if (gheprec->Summary()->ProcInfo().IsMEC()) {
if (pdg::IsNeutrino(gheprec->Summary()->InitState().ProbePdg()))
return 32;
else if (pdg::IsAntiNeutrino(gheprec->Summary()->InitState().ProbePdg()))
return -32;
// NC OTHER
} else {
return utils::ghep::NeutReactionCode(gheprec);
}
}
return 0;
}
void GENIEInputHandler::CalcNUISANCEKinematics() {
// Reset all variables
fNUISANCEEvent->ResetEvent();
// Check for GENIE Event
if (!fGenieNtpl) return;
if (!fGenieNtpl->event) return;
// Cast Event Record
fGenieGHep = static_cast<GHepRecord*>(fGenieNtpl->event);
if (!fGenieGHep) return;
// Convert GENIE Reaction Code
fNUISANCEEvent->fMode = ConvertGENIEReactionCode(fGenieGHep);
// Set Event Info
fNUISANCEEvent->Mode = fNUISANCEEvent->fMode;
fNUISANCEEvent->fEventNo = 0.0;
fNUISANCEEvent->fTotCrs = fGenieGHep->XSec();
fNUISANCEEvent->fTargetA = 0.0;
fNUISANCEEvent->fTargetZ = 0.0;
fNUISANCEEvent->fTargetH = 0;
fNUISANCEEvent->fBound = 0.0;
fNUISANCEEvent->InputWeight =
1.0; //(1E+38 / genie::units::cm2) * fGenieGHep->XSec();
// Get N Particle Stack
unsigned int npart = fGenieGHep->GetEntries();
unsigned int kmax = fNUISANCEEvent->kMaxParticles;
if (npart > kmax) {
ERR(WRN) << "GENIE has too many particles, expanding stack." << std::endl;
fNUISANCEEvent->ExpandParticleStack(npart);
}
// Fill Particle Stack
GHepParticle* p = 0;
TObjArrayIter iter(fGenieGHep);
fNUISANCEEvent->fNParticles = 0;
// Loop over all particles
while ((p = (dynamic_cast<genie::GHepParticle*>((iter).Next())))) {
if (!p) continue;
// Get Status
int state = GetGENIEParticleStatus(p, fNUISANCEEvent->fMode);
// Remove Undefined
if (kRemoveUndefParticles && state == kUndefinedState) continue;
// Remove FSI
if (kRemoveFSIParticles && state == kFSIState) continue;
if (kRemoveNuclearParticles &&
(state == kNuclearInitial || state == kNuclearRemnant))
continue;
// Fill Vectors
int curpart = fNUISANCEEvent->fNParticles;
fNUISANCEEvent->fParticleState[curpart] = state;
// Mom
fNUISANCEEvent->fParticleMom[curpart][0] = p->Px() * 1.E3;
fNUISANCEEvent->fParticleMom[curpart][1] = p->Py() * 1.E3;
fNUISANCEEvent->fParticleMom[curpart][2] = p->Pz() * 1.E3;
fNUISANCEEvent->fParticleMom[curpart][3] = p->E() * 1.E3;
// PDG
fNUISANCEEvent->fParticlePDG[curpart] = p->Pdg();
// Add to N particle count
fNUISANCEEvent->fNParticles++;
// Extra Check incase GENIE fails.
if ((UInt_t)fNUISANCEEvent->fNParticles == kmax) {
ERR(WRN) << "Number of GENIE Particles exceeds maximum!" << std::endl;
ERR(WRN) << "Extend kMax, or run without including FSI particles!"
<< std::endl;
break;
}
}
// Fill Extra Stack
if (fSaveExtra) fGenieInfo->FillGeneratorInfo(fGenieNtpl);
// Run Initial, FSI, Final, Other ordering.
fNUISANCEEvent->OrderStack();
FitParticle* ISNeutralLepton =
fNUISANCEEvent->GetHMISParticle(PhysConst::pdg_neutrinos);
if (ISNeutralLepton) {
fNUISANCEEvent->probe_E = ISNeutralLepton->E();
fNUISANCEEvent->probe_pdg = ISNeutralLepton->PDG();
}
return;
}
void GENIEInputHandler::Print() {}
#endif

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