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