AddGenerator: check testbit before setting the pT and momentum range
[u/mrichter/AliRoot.git] / EVGEN / AliGenCocktail.cxx
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4c039060 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16/*
17$Log$
699cb625 18Revision 1.7 2000/10/02 15:15:41 morsch
19Use default streamer for AliGenCocktail
20
a436e7fc 21Revision 1.6 2000/09/07 17:04:31 morsch
22In Streamer: TIter() after R__b << fEntries (Dmitri Yurevitch Peressounko)
23
e6e2a20e 24Revision 1.5 2000/06/09 20:28:51 morsch
25All coding rule violations except RS3 corrected (AM)
26
374924b5 27Revision 1.4 1999/09/29 09:24:12 fca
28Introduction of the Copyright and cvs Log
29
4c039060 30*/
31
fe4da5cc 32#include "AliGenCocktail.h"
374924b5 33#include "AliGenCocktailEntry.h"
fe4da5cc 34#include "AliRun.h"
fe4da5cc 35
36ClassImp(AliGenCocktail)
37
38AliGenCocktail::AliGenCocktail()
39 :AliGenerator()
40{
374924b5 41// Constructor
fe4da5cc 42 fEntries = new TList;
43 fNGenerators=0;
44}
45
374924b5 46AliGenCocktail::AliGenCocktail(const AliGenCocktail & cocktail)
47{
48// copy constructor
49}
fe4da5cc 50
51AliGenCocktail::~AliGenCocktail()
52{
374924b5 53// Destructor
fe4da5cc 54 delete fEntries;
55}
56
57void AliGenCocktail::
a436e7fc 58AddGenerator(AliGenerator *Generator, char* Name, Float_t RateExp)
fe4da5cc 59{
60//
61// Forward parameters to the new generator
699cb625 62 if(TestBit(kPtRange))
fe4da5cc 63 Generator->SetPtRange(fPtMin,fPtMax);
699cb625 64 if(TestBit(kMomentumRange))
fe4da5cc 65 Generator->SetMomentumRange(fPMin,fPMax);
699cb625 66
fe4da5cc 67 Generator->SetYRange(fYMin,fYMax);
68 Generator->
69 SetPhiRange(fPhiMin*180/TMath::Pi(),fPhiMax*180/TMath::Pi());
70 Generator->
71 SetThetaRange(fThetaMin*180/TMath::Pi(),fThetaMax*180/TMath::Pi());
72 Generator->
73 SetOrigin(fOrigin[0], fOrigin[1], fOrigin[2]);
74 Generator->
75 SetSigma(fOsigma[0], fOsigma[1], fOsigma[2]);
7a50a130 76 Generator->SetVertexSmear(fVertexSmear);
77 Generator->SetTrackingFlag(fTrackIt);
fe4da5cc 78//
79// Add generator to list
a436e7fc 80
374924b5 81 AliGenCocktailEntry *entry =
fe4da5cc 82 new AliGenCocktailEntry(Generator, Name, RateExp);
374924b5 83 fEntries->Add(entry);
fe4da5cc 84 fNGenerators++;
85 }
86
87 void AliGenCocktail::Init()
374924b5 88{
89// Initialisation
90 TIter next(fEntries);
91 AliGenCocktailEntry *entry;
92 //
93 // Loop over generators and initialize
94 while((entry = (AliGenCocktailEntry*)next())) {
95 entry->Generator()->Init();
96 }
97}
fe4da5cc 98
99 void AliGenCocktail::Generate()
374924b5 100{
101//
102// Generate event
103 TIter next(fEntries);
104 AliGenCocktailEntry *entry;
105 AliGenCocktailEntry *e1;
106 AliGenCocktailEntry *e2;
107 TClonesArray *partArray = gAlice->Particles();
108 //
109 // Loop over generators and generate events
110 Int_t igen=0;
111 while((entry = (AliGenCocktailEntry*)next())) {
112 igen++;
113 if (igen ==1) {
114 entry->SetFirst(0);
115 } else {
116 entry->SetFirst((partArray->GetEntriesFast())+1);
117 }
118 entry->Generator()->Generate();
119 entry->SetLast(partArray->GetEntriesFast());
120 }
121 next.Reset();
122 while((entry = (AliGenCocktailEntry*)next())) {
123 entry->PrintInfo();
124 }
125 for (entry=FirstGenerator();
126 entry;
127 entry=NextGenerator()
128 ) {
129 entry->PrintInfo();
130 }
131 for (FirstGeneratorPair(e1,e2);
132 (e1&&e2);
133 NextGeneratorPair(e1,e2)
134 ){
135 printf("\n -----------------------------");
136 e1->PrintInfo();
137 e2->PrintInfo();
138 }
139}
fe4da5cc 140
141AliGenCocktailEntry * AliGenCocktail::FirstGenerator()
142{
374924b5 143// Iterator over generators: Initialisation
fe4da5cc 144 flnk1 = fEntries->FirstLink();
145 if (flnk1) {
146 return (AliGenCocktailEntry*) (flnk1->GetObject());
147 } else {
148 return 0;
149 }
150}
151
152AliGenCocktailEntry* AliGenCocktail::NextGenerator()
153{
374924b5 154// Iterator over generators: Increment
fe4da5cc 155 flnk1 = flnk1->Next();
156 if (flnk1) {
157 return (AliGenCocktailEntry*) (flnk1->GetObject());
158 } else {
159 return 0;
160 }
161}
162
163void AliGenCocktail::
164FirstGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2)
165{
374924b5 166// Iterator over generator pairs: Initialisation
fe4da5cc 167 flnk2 = flnk1 = fEntries->FirstLink();
168 if (flnk1) {
169 e2 = e1 = (AliGenCocktailEntry*) (flnk1->GetObject());
170 } else {
171 e2= e1 = 0;
172 }
173}
174
175void AliGenCocktail::
176NextGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2)
177{
374924b5 178// Iterator over generators: Increment
fe4da5cc 179 flnk2 = flnk2->Next();
180 if (flnk2) {
181 e1 = (AliGenCocktailEntry*) (flnk1->GetObject());
182 e2 = (AliGenCocktailEntry*) (flnk2->GetObject());
183 } else {
184 flnk2 = flnk1 = flnk1->Next();
185 if (flnk1) {
186 e1 = (AliGenCocktailEntry*) (flnk1->GetObject());
187 e2 = (AliGenCocktailEntry*) (flnk2->GetObject());
188 } else {
189 e1=0;
190 e2=0;
191 }
192 }
193}
194
a436e7fc 195/*
fe4da5cc 196void AliGenCocktail::Streamer(TBuffer &R__b)
197{
374924b5 198 // Stream an object of class AliGenCocktail.
e6e2a20e 199
374924b5 200 AliGenCocktailEntry *entry;
201
202 if (R__b.IsReading()) {
203 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
204 AliGenerator::Streamer(R__b);
205 R__b >> fNGenerators;
206 R__b >> fEntries;
e6e2a20e 207 TIter next(fEntries);
fe4da5cc 208// Stream generation related information
374924b5 209 while((entry = (AliGenCocktailEntry*)next())) {
210 entry->Streamer(R__b);
211 }
212 } else {
213 R__b.WriteVersion(AliGenCocktail::IsA());
214 AliGenerator::Streamer(R__b);
215 R__b << fNGenerators;
216 R__b << fEntries;
e6e2a20e 217 TIter next(fEntries);
fe4da5cc 218// Stream generation related information
374924b5 219 while((entry = (AliGenCocktailEntry*)next())) {
220 entry->Streamer(R__b);
221 }
222 }
223}
a436e7fc 224*/
374924b5 225
226AliGenCocktail& AliGenCocktail::operator=(const AliGenCocktail& rhs)
227{
228// Assignment operator
229 return *this;
fe4da5cc 230}
231
232