forked from AliceO2Group/AliceO2
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathGenerator.cxx
More file actions
213 lines (175 loc) · 5.42 KB
/
Generator.cxx
File metadata and controls
213 lines (175 loc) · 5.42 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
/// \author R+Preghenella - August 2017
#include "Generators/Generator.h"
#include "Generators/Trigger.h"
#include "Generators/PrimaryGenerator.h"
#include "SimulationDataFormat/MCEventHeader.h"
#include "FairPrimaryGenerator.h"
#include "FairLogger.h"
#include <cmath>
#include "TClonesArray.h"
#include "TParticle.h"
namespace o2
{
namespace eventgen
{
/*****************************************************************/
/*****************************************************************/
Generator::Generator() : FairGenerator("ALICEo2", "ALICEo2 Generator"),
mBoost(0.)
{
/** default constructor **/
}
/*****************************************************************/
Generator::Generator(const Char_t* name, const Char_t* title) : FairGenerator(name, title),
mBoost(0.)
{
/** constructor **/
}
/*****************************************************************/
Bool_t
Generator::Init()
{
/** init **/
/** success **/
return kTRUE;
}
/*****************************************************************/
Bool_t
Generator::ReadEvent(FairPrimaryGenerator* primGen)
{
/** read event **/
/** endless generate-and-trigger loop **/
while (true) {
mReadEventCounter++;
/** clear particle vector **/
mParticles.clear();
/** generate event **/
if (!generateEvent()) {
return kFALSE;
}
/** import particles **/
if (!importParticles()) {
return kFALSE;
}
/** trigger event **/
if (triggerEvent()) {
mTriggerOkHook(mParticles, mReadEventCounter);
break;
} else {
mTriggerFalseHook(mParticles, mReadEventCounter);
}
}
/** add tracks **/
if (!addTracks(primGen)) {
return kFALSE;
}
/** update header **/
auto header = primGen->GetEvent();
auto o2header = dynamic_cast<o2::dataformats::MCEventHeader*>(header);
if (!header) {
LOG(fatal) << "MC event header is not a 'o2::dataformats::MCEventHeader' object";
return kFALSE;
}
updateHeader(o2header);
/** success **/
return kTRUE;
}
/*****************************************************************/
Bool_t
Generator::addTracks(FairPrimaryGenerator* primGen)
{
/** add tracks **/
auto o2primGen = dynamic_cast<PrimaryGenerator*>(primGen);
if (!o2primGen) {
LOG(fatal) << "PrimaryGenerator is not a o2::eventgen::PrimaryGenerator";
return kFALSE;
}
/** loop over particles **/
for (const auto& particle : mParticles) {
o2primGen->AddTrack(particle.GetPdgCode(),
particle.Px() * mMomentumUnit,
particle.Py() * mMomentumUnit,
particle.Pz() * mMomentumUnit,
particle.Vx() * mPositionUnit,
particle.Vy() * mPositionUnit,
particle.Vz() * mPositionUnit,
particle.GetMother(0),
particle.GetMother(1),
particle.GetDaughter(0),
particle.GetDaughter(1),
particle.GetStatusCode() == 1,
particle.Energy() * mEnergyUnit,
particle.T() * mTimeUnit,
particle.GetWeight(),
(TMCProcess)particle.GetUniqueID(),
particle.GetStatusCode()); // generator status information passed as status code field
}
/** success **/
return kTRUE;
}
/*****************************************************************/
Bool_t
Generator::boostEvent()
{
/** boost event **/
/** success **/
return kTRUE;
}
/*****************************************************************/
Bool_t
Generator::triggerEvent()
{
/** trigger event **/
/** check trigger presence **/
if (mTriggers.size() == 0 && mDeepTriggers.size() == 0) {
return kTRUE;
}
/** check trigger mode **/
Bool_t triggered;
if (mTriggerMode == kTriggerOFF) {
return kTRUE;
} else if (mTriggerMode == kTriggerOR) {
triggered = kFALSE;
} else if (mTriggerMode == kTriggerAND) {
triggered = kTRUE;
} else {
return kTRUE;
}
/** loop over triggers **/
for (const auto& trigger : mTriggers) {
auto retval = trigger(mParticles);
if (mTriggerMode == kTriggerOR) {
triggered |= retval;
}
if (mTriggerMode == kTriggerAND) {
triggered &= retval;
}
}
/** loop over deep triggers **/
for (const auto& trigger : mDeepTriggers) {
auto retval = trigger(mInterface, mInterfaceName);
if (mTriggerMode == kTriggerOR) {
triggered |= retval;
}
if (mTriggerMode == kTriggerAND) {
triggered &= retval;
}
}
/** return **/
return triggered;
}
/*****************************************************************/
/*****************************************************************/
} /* namespace eventgen */
} /* namespace o2 */
ClassImp(o2::eventgen::Generator);