LArSoft  v09_90_00
Liquid Argon Software toolkit - https://larsoft.org/
MCHitFinder_module.cc
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1 // Class: MCHitFinder
3 // Module Type: producer
4 // File: MCHitFinder_module.cc
5 //
6 // Generated at Tue Jun 24 07:30:08 2014 by Kazuhiro Terao using artmod
7 // from cetpkgsupport v1_05_04.
9 
16 #include "fhiclcpp/ParameterSet.h"
17 
18 #include <memory>
19 
21 
26 
27 namespace hit {
28 
29  class MCHitFinder;
30 
31  class MCHitFinder : public art::EDProducer {
32  public:
33  explicit MCHitFinder(fhicl::ParameterSet const& p);
34 
35  private:
36  void produce(art::Event& e) override;
37 
38  std::string fLArG4ModuleName;
39  bool fVerbose;
41  };
42 
44  {
45  fLArG4ModuleName = p.get<std::string>("LArG4ModuleName");
46  fMakeMCWire = p.get<bool>("MakeMCWire");
47  fVerbose = p.get<bool>("Verbose");
48  produces<std::vector<sim::MCHitCollection>>();
49  if (fMakeMCWire) produces<std::vector<sim::MCWireCollection>>();
50  }
51 
53  {
54 
56 
57  const unsigned int nch = geo->Nchannels();
58 
59  std::unique_ptr<std::vector<sim::MCHitCollection>> hits_v(
60  new std::vector<sim::MCHitCollection>());
61  std::unique_ptr<std::vector<sim::MCWireCollection>> wires_v(
62  new std::vector<sim::MCWireCollection>());
63 
64  hits_v->reserve(nch);
65  wires_v->reserve(nch);
66  for (size_t ch = 0; ch < nch; ++ch) {
67 
68  hits_v->push_back(sim::MCHitCollection(ch));
69  wires_v->push_back(sim::MCWireCollection(ch));
70  }
71 
73  e.getByLabel(fLArG4ModuleName, simchArray);
74  if (!simchArray.isValid())
75  throw cet::exception(__PRETTY_FUNCTION__)
76  << "Did not find sim::SimChannel with a label: " << fLArG4ModuleName.c_str() << std::endl;
77 
78  // Loop over SimChannel
79  for (size_t simch_index = 0; simch_index < simchArray->size(); ++simch_index) {
80 
81  const art::Ptr<sim::SimChannel> simch_ptr(simchArray, simch_index);
82 
83  size_t ch = simch_ptr->Channel();
84 
85  if (ch >= hits_v->size())
86 
87  throw cet::exception(__PRETTY_FUNCTION__)
88  << "Channel number " << ch << " exceeds total # of channels: " << nch << std::endl;
89 
90  auto& mchits = hits_v->at(ch);
91  auto& mcwires = wires_v->at(ch);
92 
93  std::map<sim::MCEnDep, sim::MCWire> edep_wire_map;
94  auto tdc_ide_map = simch_ptr->TDCIDEMap();
95 
97  // Loop over stored data for a particular sim::SimChannel //
99 
100  //
101  // Read & Convert
102  //
103  if (fVerbose) std::cout << std::endl << "Processing Ch: " << ch << std::endl;
104 
105  for (auto const& tdc_ide_pair : tdc_ide_map) {
106 
107  auto const& tdc = tdc_ide_pair.first;
108  auto const& ide_v = tdc_ide_pair.second;
109 
110  for (auto const& ide : ide_v) {
112  edep.SetVertex(ide.x, ide.y, ide.z);
113  edep.SetEnergy(ide.energy);
114  edep.SetTrackId(ide.trackID);
115 
116  sim::MCWire wire;
117  wire.SetStartTDC(tdc);
118 
119  auto edep_iter = edep_wire_map.insert(std::make_pair(edep, wire));
120 
121  //auto edep_iter = edep_wire_map.find(edep);
122 
123  auto last_tdc =
124  (edep_iter).first->second.StartTDC() + (edep_iter).first->second.size() - 1;
125 
126  if (fVerbose) {
127 
128  if (edep_iter.second) std::cout << std::endl;
129 
130  std::cout << " Track: " << ide.trackID << " Vtx: " << ide.x << " " << ide.y << " "
131  << ide.z << " " << ide.energy << " ... @ TDC = " << tdc << " ... "
132  << ide.numElectrons << std::endl;
133  }
134 
135  if (!(edep_iter.second)) {
136 
137  if (last_tdc + 1 != tdc) {
138  /*
139  std::cerr
140  << "Found discontinuous TDC! "
141  << " Last (ADC @ TDC): " << (*(edep_iter.first->second.rbegin())) << " @ " << last_tdc
142  << " while current (ADC @ TDC): " << (ide.numElectrons * detp->ElectronsToADC()) << " @ " << tdc
143  << " ... skipping to store!"
144  << std::endl;
145  */
146  continue;
147  }
148  }
149  (edep_iter).first->second.push_back(ide.numElectrons);
150  } // Done looping over IDEs in a particular TDC
151  } // Done looping over TDC
152 
153  //
154  // Store
155  //
156  for (auto const& edep_wire_pair : edep_wire_map) {
157 
158  auto const& edep = edep_wire_pair.first;
159  auto const& wire = edep_wire_pair.second;
160 
161  // Create MCHit
163  float vtx[3] = {float(edep.Vertex()[0]), float(edep.Vertex()[1]), float(edep.Vertex()[2])};
164  hit.SetParticleInfo(vtx, edep.Energy(), edep.TrackId());
165 
166  double max_time = 0;
167  double qsum = 0;
168  double qmax = 0;
169  for (size_t wire_index = 0; wire_index < wire.size(); ++wire_index) {
170 
171  auto q = wire.at(wire_index);
172 
173  qsum += q;
174 
175  if (q > qmax) {
176  qmax = q;
177  max_time = wire.StartTDC() + wire_index;
178  }
179  }
180  hit.SetCharge(qsum, qmax);
181  hit.SetTime(max_time, 0);
182 
183  mchits.push_back(hit);
184 
185  if (!fMakeMCWire) continue;
186 
187  mcwires.push_back(wire);
188  } // End looping over all MCEnDep-MCWire pairs
189  } // End looping over all SimChannels
190 
191  simchArray.removeProduct();
192 
193  std::sort((*hits_v).begin(), (*hits_v).end());
194  e.put(std::move(hits_v));
195 
196  if (fMakeMCWire) {
197  std::sort((*wires_v).begin(), (*wires_v).end());
198  e.put(std::move(wires_v));
199  }
200  }
201 }
void SetCharge(float qsum, float amp)
Setter function for charge/amplitude.
Definition: MCHit.h:47
void SetEnergy(float e)
Definition: MCDataHolder.h:36
void SetParticleInfo(const float vtx[], const float energy, const int trackId)
Setter function for partile info.
Definition: MCHit.h:61
void SetTime(const float peak, const float width)
Setter function for time.
Definition: MCHit.h:54
EDProducer(fhicl::ParameterSet const &pset)
Definition: EDProducer.cc:6
void SetStartTDC(const unsigned int start)
Setter function for time.
Definition: MCWire.h:34
void produce(art::Event &e) override
void SetTrackId(unsigned int id)
Definition: MCDataHolder.h:38
unsigned int Nchannels() const
Returns the number of TPC readout channels in the detector.
bool isValid() const noexcept
Definition: Handle.h:203
PutHandle< PROD > put(std::unique_ptr< PROD > &&edp, std::string const &instance={})
Definition: Event.h:77
#define DEFINE_ART_MODULE(klass)
Definition: ModuleMacros.h:65
void SetVertex(float x, float y, float z)
Definition: MCDataHolder.h:29
std::string fLArG4ModuleName
bool removeProduct()
Definition: Handle.h:263
Double_t edep
Definition: macro.C:13
Detector simulation of raw signals on wires.
raw::ChannelID_t Channel() const
Returns the readout channel this object describes.
Definition: SimChannel.h:323
bool getByLabel(std::string const &label, std::string const &instance, Handle< PROD > &result) const
object containing MC truth information necessary for making RawDigits and doing back tracking ...
TDCIDEs_t const & TDCIDEMap() const
Returns all the deposited energy information as stored.
Definition: SimChannel.h:319
Float_t e
Definition: plot.C:35
MCHitFinder(fhicl::ParameterSet const &p)
Namespace collecting geometry-related classes utilities.
art framework interface to geometry description
cet::coded_exception< error, detail::translate > exception
Definition: exception.h:33