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 | |