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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 | $Log$ | |
8b31bfac | 18 | Revision 1.13 2001/10/21 18:35:56 hristov |
19 | Several pointers were set to zero in the default constructors to avoid memory management problems | |
20 | ||
2685bf00 | 21 | Revision 1.12 2001/06/18 13:07:30 morsch |
22 | Forward kinematic ranges to entries only if not set by user. | |
23 | ||
212bcf04 | 24 | Revision 1.11 2001/01/30 09:23:12 hristov |
25 | Streamers removed (R.Brun) | |
26 | ||
a8a6107b | 27 | Revision 1.10 2001/01/26 19:55:49 hristov |
28 | Major upgrade of AliRoot code | |
29 | ||
2ab0c725 | 30 | Revision 1.9 2000/12/21 16:24:06 morsch |
31 | Coding convention clean-up | |
32 | ||
675e9664 | 33 | Revision 1.8 2000/10/27 13:53:29 morsch |
34 | AddGenerator: check testbit before setting the pT and momentum range | |
35 | (D.Y. Peressounko) | |
36 | ||
699cb625 | 37 | Revision 1.7 2000/10/02 15:15:41 morsch |
38 | Use default streamer for AliGenCocktail | |
39 | ||
a436e7fc | 40 | Revision 1.6 2000/09/07 17:04:31 morsch |
41 | In Streamer: TIter() after R__b << fEntries (Dmitri Yurevitch Peressounko) | |
42 | ||
e6e2a20e | 43 | Revision 1.5 2000/06/09 20:28:51 morsch |
44 | All coding rule violations except RS3 corrected (AM) | |
45 | ||
374924b5 | 46 | Revision 1.4 1999/09/29 09:24:12 fca |
47 | Introduction of the Copyright and cvs Log | |
48 | ||
4c039060 | 49 | */ |
50 | ||
675e9664 | 51 | // Container class for AliGenerator through recursion. |
52 | // Container is itself an AliGenerator. | |
53 | // What is stored are not the pointers to the generators directly but to objects of type | |
54 | // AliGenCocktail entry. | |
55 | // The class provides also iterator functionality. | |
56 | // Author: andreas.morsch@cern.ch | |
57 | // | |
58 | ||
fe4da5cc | 59 | #include "AliGenCocktail.h" |
374924b5 | 60 | #include "AliGenCocktailEntry.h" |
fe4da5cc | 61 | #include "AliRun.h" |
675e9664 | 62 | #include <TList.h> |
fe4da5cc | 63 | |
64 | ClassImp(AliGenCocktail) | |
65 | ||
66 | AliGenCocktail::AliGenCocktail() | |
67 | :AliGenerator() | |
68 | { | |
374924b5 | 69 | // Constructor |
8b31bfac | 70 | fName = "Cocktail"; |
71 | fTitle= "Particle Generator using cocktail of generators"; | |
fe4da5cc | 72 | fEntries = new TList; |
2685bf00 | 73 | flnk1 = 0; |
74 | flnk2 = 0; | |
fe4da5cc | 75 | fNGenerators=0; |
76 | } | |
77 | ||
374924b5 | 78 | AliGenCocktail::AliGenCocktail(const AliGenCocktail & cocktail) |
79 | { | |
80 | // copy constructor | |
81 | } | |
fe4da5cc | 82 | |
83 | AliGenCocktail::~AliGenCocktail() | |
84 | { | |
374924b5 | 85 | // Destructor |
fe4da5cc | 86 | delete fEntries; |
87 | } | |
88 | ||
89 | void AliGenCocktail:: | |
a436e7fc | 90 | AddGenerator(AliGenerator *Generator, char* Name, Float_t RateExp) |
fe4da5cc | 91 | { |
92 | // | |
93 | // Forward parameters to the new generator | |
212bcf04 | 94 | if(TestBit(kPtRange) && !(Generator->TestBit(kPtRange)) && !(Generator->TestBit(kMomentumRange))) |
95 | Generator->SetPtRange(fPtMin,fPtMax); | |
96 | if(TestBit(kMomentumRange) && !(Generator->TestBit(kPtRange)) && !(Generator->TestBit(kMomentumRange))) | |
97 | Generator->SetMomentumRange(fPMin,fPMax); | |
98 | ||
99 | if (!(Generator->TestBit(kYRange))) | |
100 | Generator->SetYRange(fYMin,fYMax); | |
101 | if (!(Generator->TestBit(kPhiRange))) | |
102 | Generator->SetPhiRange(fPhiMin*180/TMath::Pi(),fPhiMax*180/TMath::Pi()); | |
103 | if (!(Generator->TestBit(kThetaRange))) | |
104 | Generator->SetThetaRange(fThetaMin*180/TMath::Pi(),fThetaMax*180/TMath::Pi()); | |
105 | if (!(Generator->TestBit(kVertexRange))) | |
106 | Generator->SetOrigin(fOrigin[0], fOrigin[1], fOrigin[2]); | |
fe4da5cc | 107 | Generator-> |
108 | SetSigma(fOsigma[0], fOsigma[1], fOsigma[2]); | |
7a50a130 | 109 | Generator->SetVertexSmear(fVertexSmear); |
110 | Generator->SetTrackingFlag(fTrackIt); | |
fe4da5cc | 111 | // |
112 | // Add generator to list | |
a436e7fc | 113 | |
374924b5 | 114 | AliGenCocktailEntry *entry = |
fe4da5cc | 115 | new AliGenCocktailEntry(Generator, Name, RateExp); |
374924b5 | 116 | fEntries->Add(entry); |
fe4da5cc | 117 | fNGenerators++; |
118 | } | |
119 | ||
120 | void AliGenCocktail::Init() | |
374924b5 | 121 | { |
122 | // Initialisation | |
123 | TIter next(fEntries); | |
124 | AliGenCocktailEntry *entry; | |
125 | // | |
126 | // Loop over generators and initialize | |
127 | while((entry = (AliGenCocktailEntry*)next())) { | |
128 | entry->Generator()->Init(); | |
129 | } | |
130 | } | |
fe4da5cc | 131 | |
132 | void AliGenCocktail::Generate() | |
374924b5 | 133 | { |
134 | // | |
135 | // Generate event | |
136 | TIter next(fEntries); | |
137 | AliGenCocktailEntry *entry; | |
138 | AliGenCocktailEntry *e1; | |
139 | AliGenCocktailEntry *e2; | |
2ab0c725 | 140 | TObjArray *partArray = gAlice->Particles(); |
374924b5 | 141 | // |
142 | // Loop over generators and generate events | |
143 | Int_t igen=0; | |
144 | while((entry = (AliGenCocktailEntry*)next())) { | |
145 | igen++; | |
146 | if (igen ==1) { | |
147 | entry->SetFirst(0); | |
148 | } else { | |
149 | entry->SetFirst((partArray->GetEntriesFast())+1); | |
150 | } | |
151 | entry->Generator()->Generate(); | |
152 | entry->SetLast(partArray->GetEntriesFast()); | |
153 | } | |
154 | next.Reset(); | |
155 | while((entry = (AliGenCocktailEntry*)next())) { | |
156 | entry->PrintInfo(); | |
157 | } | |
158 | for (entry=FirstGenerator(); | |
159 | entry; | |
160 | entry=NextGenerator() | |
161 | ) { | |
162 | entry->PrintInfo(); | |
163 | } | |
164 | for (FirstGeneratorPair(e1,e2); | |
165 | (e1&&e2); | |
166 | NextGeneratorPair(e1,e2) | |
167 | ){ | |
168 | printf("\n -----------------------------"); | |
169 | e1->PrintInfo(); | |
170 | e2->PrintInfo(); | |
171 | } | |
172 | } | |
fe4da5cc | 173 | |
174 | AliGenCocktailEntry * AliGenCocktail::FirstGenerator() | |
175 | { | |
374924b5 | 176 | // Iterator over generators: Initialisation |
fe4da5cc | 177 | flnk1 = fEntries->FirstLink(); |
178 | if (flnk1) { | |
179 | return (AliGenCocktailEntry*) (flnk1->GetObject()); | |
180 | } else { | |
181 | return 0; | |
182 | } | |
183 | } | |
184 | ||
185 | AliGenCocktailEntry* AliGenCocktail::NextGenerator() | |
186 | { | |
374924b5 | 187 | // Iterator over generators: Increment |
fe4da5cc | 188 | flnk1 = flnk1->Next(); |
189 | if (flnk1) { | |
190 | return (AliGenCocktailEntry*) (flnk1->GetObject()); | |
191 | } else { | |
192 | return 0; | |
193 | } | |
194 | } | |
195 | ||
196 | void AliGenCocktail:: | |
197 | FirstGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2) | |
198 | { | |
374924b5 | 199 | // Iterator over generator pairs: Initialisation |
fe4da5cc | 200 | flnk2 = flnk1 = fEntries->FirstLink(); |
201 | if (flnk1) { | |
202 | e2 = e1 = (AliGenCocktailEntry*) (flnk1->GetObject()); | |
203 | } else { | |
204 | e2= e1 = 0; | |
205 | } | |
206 | } | |
207 | ||
208 | void AliGenCocktail:: | |
209 | NextGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2) | |
210 | { | |
374924b5 | 211 | // Iterator over generators: Increment |
fe4da5cc | 212 | flnk2 = flnk2->Next(); |
213 | if (flnk2) { | |
214 | e1 = (AliGenCocktailEntry*) (flnk1->GetObject()); | |
215 | e2 = (AliGenCocktailEntry*) (flnk2->GetObject()); | |
216 | } else { | |
217 | flnk2 = flnk1 = flnk1->Next(); | |
218 | if (flnk1) { | |
219 | e1 = (AliGenCocktailEntry*) (flnk1->GetObject()); | |
220 | e2 = (AliGenCocktailEntry*) (flnk2->GetObject()); | |
221 | } else { | |
222 | e1=0; | |
223 | e2=0; | |
224 | } | |
225 | } | |
226 | } | |
227 | ||
374924b5 | 228 | AliGenCocktail& AliGenCocktail::operator=(const AliGenCocktail& rhs) |
229 | { | |
230 | // Assignment operator | |
231 | return *this; | |
fe4da5cc | 232 | } |
233 | ||
234 |