Completing the setup for TTherminator model.
[u/mrichter/AliRoot.git] / TTherminator / TTherminator.cxx
CommitLineData
2e967919 1///////////////////////////////////////////////////////////////////////////////
2// //
3// TTherminator: global interface class to the Therminator model. //
4// Initialized global variables and runs the event generation //
5// //
6///////////////////////////////////////////////////////////////////////////////
7/******************************************************************************
8 * T H E R M I N A T O R *
9 * THERMal heavy-IoN generATOR *
10 * version 1.0 *
11 * *
12 * Authors of the model: Wojciech Broniowski, Wojciech.Broniowski@ifj.edu.pl, *
13 * Wojciech Florkowski, Wojciech.Florkowski@ifj.edu.pl *
14 * Authors of the code: Adam Kisiel, kisiel@if.pw.edu.pl *
15 * Tomasz Taluc, ttaluc@if.pw.edu.pl *
16 * Code designers: Adam Kisiel, Tomasz Taluc, Wojciech Broniowski, *
17 * Wojciech Florkowski *
18 * *
19 * For the detailed description of the program and furhter references *
20 * to the description of the model plesase refer to: nucl-th/0504047, *
21 * accessibile at: http://www.arxiv.org/nucl-th/0504047 *
22 * *
23 * Homepage: http://hirg.if.pw.edu.pl/en/therminator/ *
24 * *
25 * This code can be freely used and redistributed. However if you decide to *
26 * make modifications to the code, please contact the authors, especially *
27 * if you plan to publish the results obtained with such modified code. *
28 * Any publication of results obtained using this code must include the *
29 * reference to nucl-th/0504047 and the published version of it, when *
30 * available. *
31 * *
32 *****************************************************************************/
33#include <TTherminator.h>
34#include <fstream>
35#include <TDatabasePDG.h>
36#include <TParticle.h>
37#include <TClonesArray.h>
38
39ReadPar *sRPInstance;
40STR sRPFileName;
41int sNumEvents;
42int sRunType;
43int sTables;
44int sModel;
45int sIntegrateSample;
46
47ClassImp(TTherminator)
48
49TTherminator::TTherminator():
50 fCalka(0),
51 fEvent(0),
52 fPartDB(0)
53{
54 // Default constructor
55 fPartDB = new ParticleDB();
56}
57TTherminator::TTherminator(const TTherminator & therm) :
58 fCalka(0),
59 fEvent(0),
60 fPartDB(0)
61{
62 // Copy constructor
63 fPartDB = new ParticleDB();
64}
65TTherminator::~TTherminator()
66{
67 // Destructor
68 if (sRPInstance) delete sRPInstance;
69 if (fEvent) delete fEvent;
70 if (fCalka) delete fCalka;
71 if (fPartDB) delete fPartDB;
72}
73
74void TTherminator::ReadParameters()
75{
76 // Read in global model parameters
77 STR tModel;
78 STR tTable;
79
80 try {
81 sNumEvents = atoi(sRPInstance->getPar("NumberOfEvents").Data());
82 tModel = sRPInstance->getPar("FreezeOutModel");
83 if (tModel.Contains("SingleFreezeOut"))
84 sModel = 0;
85/*MCH begin*/
86 else if (tModel.Contains("Lhyquid3D"))
87 sModel = 10;
88 else if (tModel.Contains("Lhyquid2D"))
89 sModel = 11;
90/*MCH end*/
91 else if (tModel.Contains("BlastWaveVTDelay"))
92 sModel = 6;
93 else if (tModel.Contains("BlastWaveVT"))
94 sModel = 2;
95 else if (tModel.Contains("BlastWaveVLinearFormation"))
96 sModel = 7;
97 else if (tModel.Contains("BlastWaveVLinearDelay"))
98 sModel = 8;
99 else if (tModel.Contains("BlastWaveVLinear"))
100 sModel = 4;
101 else if (tModel.Contains("FiniteHydro"))
102 sModel = 5;
103 else {
104 PRINT_MESSAGE("Unknown model type: " << tModel.Data());
105 PRINT_MESSAGE("Please provide the proper name");
106 exit(0);
107 }
108 if (atoi(sRPInstance->getPar("Randomize").Data()) == 1)
109 sRunType = 4;
110 else
111 sRunType = 3;
112 tTable = sRPInstance->getPar("TableType");
113 if (tTable.Contains("Mathematica"))
114 sTables = 0;
115 else if (tTable.Contains("SHARE"))
116 sTables = 1;
117 else {
118 PRINT_MESSAGE("Unknown table type: " << tTable.Data());
119 exit(0);
120 }
121 sIntegrateSample = atoi(sRPInstance->getPar("NumberOfIntegrateSamples").Data());
ae89e57a 122 fInputDir = sRPInstance->getPar("InputDirSHARE");
2e967919 123 }
124 catch (STR tError) {
125 PRINT_DEBUG_1("RunBFPW::ReadParameters - Caught exception " << tError);
126 PRINT_MESSAGE("Did not find one of the neccessary parameters in the parameters file.");
127 exit(0);
128 }
129}
130
131void TTherminator::Initialize(){
132 // Initialize global variables
133 // and particle and decay tables
134 Parser *tParser;
135
136 sRPFileName = "therminator.in";
137 sRPInstance = new ReadPar(sRPFileName.Data());
138
139 ReadParameters();
140
141 tParser = new Parser(fPartDB);
142
143 tParser->ReadShare();
144
145 fCalka = new Integrator(sIntegrateSample);
146 fCalka->ReadMultInteg(fPartDB);
147
148
149 // Read in particle table from share
150 // and add missing particle type to TDatabasePDG
151
152 char str[50];
153 char str1[200];
154
155 // ParticleType *tPartBuf;
156
157 TDatabasePDG *tInstance = TDatabasePDG::Instance();
158 TParticlePDG *tParticleType;
159
160 // AliWarning(Form("Reading particle types from particles.data"));
ae89e57a 161
162 ifstream in((fInputDir+"/"+"particles.data").Data());
163 // ifstream in("particles.data");
2e967919 164
165 int charge;
166
167 int number=0;
168 if ((in) && (in.is_open()))
169 {
170 //START OF HEAD-LINE
171 in.ignore(200,'\n');
172 in.ignore(200,'\n');
173 in.ignore(200,'\n');
174 //END OF HEAD-LINE
175
176 while (in>>str)
177 {
178 if (/*(*str == '#')||*/(*str<65)||(*str>122))
179 {
180 in.getline(str1,200);
181 continue;
182 }
183 double mass, gamma, spin, tI3, tI, q, s, aq, as, c, ac, mc;
184
185 in>>mass>>gamma>>spin>>tI>>tI3>>q>>s>>aq>>as>>c>>ac>>mc;
186 number++;
187 tParticleType = tInstance->GetParticle((int) mc);
188 if (!tParticleType) {
189 charge = 0;
190 if (strstr(str, "plu")) charge = 1;
191 if (strstr(str, "min")) charge = -1;
192 if (strstr(str, "plb")) charge = -1;
193 if (strstr(str, "mnb")) charge = 1;
194 if (strstr(str, "plp")) charge = 2;
195 if (strstr(str, "ppb")) charge = -2;
196 tInstance->AddParticle(str, str, mass, gamma == 0.0 ? 1:0, gamma, charge , "meson", (int) mc);
197 // printf("Added particle %s with PDG PID %d charge %d", str, (int) mc, charge);
198 //AliWarning(Form("Added particle %s with PDG PID %d charge %d", str, (int) mc, charge));
199 // AliWarning(Form("Quantum numbers q s c aq as ac tI3 %lf %lf %lf %lf %lf %lf %lf", q, s, c, aq, as, ac, tI3));
200
201 }
202 }
203 in.close();
204 }
205}
206
207void TTherminator::GenerateEvent()
208{
209 // Run single event generation
210 if ((sRunType == 3) || (sRunType == 4))
211 {
212 if (sRunType==4)
213 fCalka->Randomize();
214
215 if (!fEvent) fEvent = new Event(fPartDB, fCalka);
216 if (sRunType == 4) fEvent->Randomize();
217
218 fEvent->GenerateEvent();
219 fEvent->DecayParticles();
220 // fEvent->WriteEvent(0);
221 }
222}
223
224Int_t TTherminator::ImportParticles(TClonesArray *particles, Option_t *option)
225{
226 // Import particles from a generated event into an external array
227 if (particles == 0) return 0;
228 TClonesArray &particlesR = *particles;
229 particlesR.Clear();
230 Int_t nump = 0;
231 if (!fEvent) return 0;
232 Int_t numpart = fEvent->GetParticleCount();
233 printf("\n TTherminator: Therminator stack contains %d particles.", numpart);
234 for (Int_t iPart=0; iPart<numpart; iPart++) {
235 Particle *tPart = fEvent->GetParticleOfCount(iPart);
236 Int_t tFather;
237 tFather = tPart->GetFather();
238
239 if (tFather> -1) {
240 TParticle *mother = (TParticle*) (particlesR.UncheckedAt(tFather+1));
241 mother->SetLastDaughter(iPart);
242 if (mother->GetFirstDaughter()==-1)
243 mother->SetFirstDaughter(iPart);
244 }
245 nump++;
246 // printf("Putting %d %d %lf %d\n", tPart->GetParticleType()->GetPDGCode(), iPart, tPart->px, tPart);
247 new (particlesR[iPart]) TParticle(tPart->GetParticleType()->GetPDGCode(), tPart->HadDecayed(),
248 tFather, -1, -1, -1,
249 tPart->px, tPart->py, tPart->pz, tPart->GetEnergy() ,
250 tPart->rx*1.e-13, tPart->ry*1.e-13, tPart->rz*1.e-13, tPart->rt*1.e-13/300000000
251 );
252 particlesR[iPart]->SetUniqueID(iPart);
253 }
254
255 return nump;
256}
257
258TObjArray* TTherminator::ImportParticles(Option_t *option)
259{
260 // Import generated particles into an internal array
261 Int_t nump = 0;
262 fParticles->Clear();
263 if (!fEvent) return 0;
264 Int_t numpart = fEvent->GetParticleCount();
265 printf("\n TTherminator: Therminator stack contains %d particles.", numpart);
266 fEvent->InitParticleScan();
267 for (Int_t iPart=0; iPart<numpart; iPart++) {
268 Particle *tPart = fEvent->GetNextParticle();
269 Int_t tFather;
270 tFather = tPart->GetFather();
271
272 if (tFather> -1) {
273 TParticle *mother = (TParticle*) (fParticles->UncheckedAt(tFather));
274 mother->SetLastDaughter(iPart);
275 if (mother->GetFirstDaughter()==-1)
276 mother->SetFirstDaughter(iPart);
277 }
278 TParticle* p = new TParticle(tPart->GetParticleType()->GetPDGCode(), tPart->HadDecayed(),
279 tFather, -1, -1, -1,
280 tPart->px, tPart->py, tPart->pz, tPart->GetEnergy() ,
281 tPart->rx*1.e-13, tPart->ry*1.e-13, tPart->rz*1.e-13, tPart->rt*1.e-13/300000000
282 );
283 p->SetUniqueID(iPart);
284 fParticles->Add(p);
285 }
286 nump = fEvent->GetParticleCount();
287
288 return fParticles;
289
290}