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