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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 | $Log$ | |
116cbefd | 18 | Revision 1.15 2003/01/07 14:13:22 morsch |
19 | Communication between generators provising and requesting collision | |
20 | geometries. | |
21 | ||
a8408367 | 22 | Revision 1.14 2002/02/08 16:50:50 morsch |
23 | Add name and title in constructor. | |
24 | ||
8b31bfac | 25 | Revision 1.13 2001/10/21 18:35:56 hristov |
26 | Several pointers were set to zero in the default constructors to avoid memory management problems | |
27 | ||
2685bf00 | 28 | Revision 1.12 2001/06/18 13:07:30 morsch |
29 | Forward kinematic ranges to entries only if not set by user. | |
30 | ||
212bcf04 | 31 | Revision 1.11 2001/01/30 09:23:12 hristov |
32 | Streamers removed (R.Brun) | |
33 | ||
a8a6107b | 34 | Revision 1.10 2001/01/26 19:55:49 hristov |
35 | Major upgrade of AliRoot code | |
36 | ||
2ab0c725 | 37 | Revision 1.9 2000/12/21 16:24:06 morsch |
38 | Coding convention clean-up | |
39 | ||
675e9664 | 40 | Revision 1.8 2000/10/27 13:53:29 morsch |
41 | AddGenerator: check testbit before setting the pT and momentum range | |
42 | (D.Y. Peressounko) | |
43 | ||
699cb625 | 44 | Revision 1.7 2000/10/02 15:15:41 morsch |
45 | Use default streamer for AliGenCocktail | |
46 | ||
a436e7fc | 47 | Revision 1.6 2000/09/07 17:04:31 morsch |
48 | In Streamer: TIter() after R__b << fEntries (Dmitri Yurevitch Peressounko) | |
49 | ||
e6e2a20e | 50 | Revision 1.5 2000/06/09 20:28:51 morsch |
51 | All coding rule violations except RS3 corrected (AM) | |
52 | ||
374924b5 | 53 | Revision 1.4 1999/09/29 09:24:12 fca |
54 | Introduction of the Copyright and cvs Log | |
55 | ||
4c039060 | 56 | */ |
57 | ||
675e9664 | 58 | // Container class for AliGenerator through recursion. |
59 | // Container is itself an AliGenerator. | |
60 | // What is stored are not the pointers to the generators directly but to objects of type | |
61 | // AliGenCocktail entry. | |
62 | // The class provides also iterator functionality. | |
63 | // Author: andreas.morsch@cern.ch | |
64 | // | |
65 | ||
116cbefd | 66 | #include <TList.h> |
67 | #include <TObjArray.h> | |
68 | ||
fe4da5cc | 69 | #include "AliGenCocktail.h" |
374924b5 | 70 | #include "AliGenCocktailEntry.h" |
fe4da5cc | 71 | #include "AliRun.h" |
fe4da5cc | 72 | |
73 | ClassImp(AliGenCocktail) | |
74 | ||
75 | AliGenCocktail::AliGenCocktail() | |
76 | :AliGenerator() | |
77 | { | |
374924b5 | 78 | // Constructor |
8b31bfac | 79 | fName = "Cocktail"; |
80 | fTitle= "Particle Generator using cocktail of generators"; | |
fe4da5cc | 81 | fEntries = new TList; |
2685bf00 | 82 | flnk1 = 0; |
83 | flnk2 = 0; | |
fe4da5cc | 84 | fNGenerators=0; |
85 | } | |
86 | ||
374924b5 | 87 | AliGenCocktail::AliGenCocktail(const AliGenCocktail & cocktail) |
88 | { | |
89 | // copy constructor | |
90 | } | |
fe4da5cc | 91 | |
92 | AliGenCocktail::~AliGenCocktail() | |
93 | { | |
374924b5 | 94 | // Destructor |
fe4da5cc | 95 | delete fEntries; |
96 | } | |
97 | ||
98 | void AliGenCocktail:: | |
a436e7fc | 99 | AddGenerator(AliGenerator *Generator, char* Name, Float_t RateExp) |
fe4da5cc | 100 | { |
101 | // | |
102 | // Forward parameters to the new generator | |
212bcf04 | 103 | if(TestBit(kPtRange) && !(Generator->TestBit(kPtRange)) && !(Generator->TestBit(kMomentumRange))) |
104 | Generator->SetPtRange(fPtMin,fPtMax); | |
105 | if(TestBit(kMomentumRange) && !(Generator->TestBit(kPtRange)) && !(Generator->TestBit(kMomentumRange))) | |
106 | Generator->SetMomentumRange(fPMin,fPMax); | |
107 | ||
108 | if (!(Generator->TestBit(kYRange))) | |
109 | Generator->SetYRange(fYMin,fYMax); | |
110 | if (!(Generator->TestBit(kPhiRange))) | |
111 | Generator->SetPhiRange(fPhiMin*180/TMath::Pi(),fPhiMax*180/TMath::Pi()); | |
112 | if (!(Generator->TestBit(kThetaRange))) | |
113 | Generator->SetThetaRange(fThetaMin*180/TMath::Pi(),fThetaMax*180/TMath::Pi()); | |
114 | if (!(Generator->TestBit(kVertexRange))) | |
115 | Generator->SetOrigin(fOrigin[0], fOrigin[1], fOrigin[2]); | |
fe4da5cc | 116 | Generator-> |
117 | SetSigma(fOsigma[0], fOsigma[1], fOsigma[2]); | |
7a50a130 | 118 | Generator->SetVertexSmear(fVertexSmear); |
119 | Generator->SetTrackingFlag(fTrackIt); | |
fe4da5cc | 120 | // |
121 | // Add generator to list | |
a436e7fc | 122 | |
374924b5 | 123 | AliGenCocktailEntry *entry = |
fe4da5cc | 124 | new AliGenCocktailEntry(Generator, Name, RateExp); |
374924b5 | 125 | fEntries->Add(entry); |
fe4da5cc | 126 | fNGenerators++; |
127 | } | |
128 | ||
129 | void AliGenCocktail::Init() | |
374924b5 | 130 | { |
131 | // Initialisation | |
132 | TIter next(fEntries); | |
133 | AliGenCocktailEntry *entry; | |
134 | // | |
135 | // Loop over generators and initialize | |
136 | while((entry = (AliGenCocktailEntry*)next())) { | |
137 | entry->Generator()->Init(); | |
138 | } | |
139 | } | |
fe4da5cc | 140 | |
141 | void AliGenCocktail::Generate() | |
374924b5 | 142 | { |
143 | // | |
144 | // Generate event | |
145 | TIter next(fEntries); | |
a8408367 | 146 | AliGenCocktailEntry *entry = 0; |
147 | AliGenCocktailEntry *preventry = 0; | |
148 | AliGenerator* gen = 0; | |
149 | ||
150 | // AliGenCocktailEntry *e1; | |
151 | // AliGenCocktailEntry *e2; | |
2ab0c725 | 152 | TObjArray *partArray = gAlice->Particles(); |
374924b5 | 153 | // |
154 | // Loop over generators and generate events | |
155 | Int_t igen=0; | |
a8408367 | 156 | |
374924b5 | 157 | while((entry = (AliGenCocktailEntry*)next())) { |
158 | igen++; | |
159 | if (igen ==1) { | |
160 | entry->SetFirst(0); | |
161 | } else { | |
162 | entry->SetFirst((partArray->GetEntriesFast())+1); | |
163 | } | |
a8408367 | 164 | // |
165 | // Handle case in which current generator needs collision geometry from previous generator | |
166 | // | |
167 | gen = entry->Generator(); | |
168 | if (gen->NeedsCollisionGeometry()) | |
169 | { | |
170 | if (preventry && preventry->Generator()->ProvidesCollisionGeometry()) | |
171 | { | |
172 | gen->SetCollisionGeometry(preventry->Generator()->CollisionGeometry()); | |
173 | } else { | |
174 | Fatal("Generate()", "No Collision Geometry Provided"); | |
175 | } | |
176 | } | |
177 | ||
374924b5 | 178 | entry->Generator()->Generate(); |
179 | entry->SetLast(partArray->GetEntriesFast()); | |
a8408367 | 180 | preventry = entry; |
374924b5 | 181 | } |
182 | next.Reset(); | |
a8408367 | 183 | /* |
374924b5 | 184 | while((entry = (AliGenCocktailEntry*)next())) { |
185 | entry->PrintInfo(); | |
186 | } | |
187 | for (entry=FirstGenerator(); | |
188 | entry; | |
189 | entry=NextGenerator() | |
190 | ) { | |
191 | entry->PrintInfo(); | |
192 | } | |
193 | for (FirstGeneratorPair(e1,e2); | |
194 | (e1&&e2); | |
195 | NextGeneratorPair(e1,e2) | |
196 | ){ | |
197 | printf("\n -----------------------------"); | |
198 | e1->PrintInfo(); | |
199 | e2->PrintInfo(); | |
200 | } | |
a8408367 | 201 | */ |
374924b5 | 202 | } |
fe4da5cc | 203 | |
204 | AliGenCocktailEntry * AliGenCocktail::FirstGenerator() | |
205 | { | |
374924b5 | 206 | // Iterator over generators: Initialisation |
fe4da5cc | 207 | flnk1 = fEntries->FirstLink(); |
208 | if (flnk1) { | |
209 | return (AliGenCocktailEntry*) (flnk1->GetObject()); | |
210 | } else { | |
211 | return 0; | |
212 | } | |
213 | } | |
214 | ||
215 | AliGenCocktailEntry* AliGenCocktail::NextGenerator() | |
216 | { | |
374924b5 | 217 | // Iterator over generators: Increment |
fe4da5cc | 218 | flnk1 = flnk1->Next(); |
219 | if (flnk1) { | |
220 | return (AliGenCocktailEntry*) (flnk1->GetObject()); | |
221 | } else { | |
222 | return 0; | |
223 | } | |
224 | } | |
225 | ||
226 | void AliGenCocktail:: | |
227 | FirstGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2) | |
228 | { | |
374924b5 | 229 | // Iterator over generator pairs: Initialisation |
fe4da5cc | 230 | flnk2 = flnk1 = fEntries->FirstLink(); |
231 | if (flnk1) { | |
232 | e2 = e1 = (AliGenCocktailEntry*) (flnk1->GetObject()); | |
233 | } else { | |
234 | e2= e1 = 0; | |
235 | } | |
236 | } | |
237 | ||
238 | void AliGenCocktail:: | |
239 | NextGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2) | |
240 | { | |
374924b5 | 241 | // Iterator over generators: Increment |
fe4da5cc | 242 | flnk2 = flnk2->Next(); |
243 | if (flnk2) { | |
244 | e1 = (AliGenCocktailEntry*) (flnk1->GetObject()); | |
245 | e2 = (AliGenCocktailEntry*) (flnk2->GetObject()); | |
246 | } else { | |
247 | flnk2 = flnk1 = flnk1->Next(); | |
248 | if (flnk1) { | |
249 | e1 = (AliGenCocktailEntry*) (flnk1->GetObject()); | |
250 | e2 = (AliGenCocktailEntry*) (flnk2->GetObject()); | |
251 | } else { | |
252 | e1=0; | |
253 | e2=0; | |
254 | } | |
255 | } | |
256 | } | |
257 | ||
374924b5 | 258 | AliGenCocktail& AliGenCocktail::operator=(const AliGenCocktail& rhs) |
259 | { | |
260 | // Assignment operator | |
261 | return *this; | |
fe4da5cc | 262 | } |
263 | ||
264 |