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 | $Log$ |
417b3b54 |
18 | Revision 1.17 2003/03/24 15:58:27 morsch |
19 | FinishRun() implemented. |
20 | |
09e2e187 |
21 | Revision 1.16 2003/01/14 10:50:18 alibrary |
22 | Cleanup of STEER coding conventions |
23 | |
116cbefd |
24 | Revision 1.15 2003/01/07 14:13:22 morsch |
25 | Communication between generators provising and requesting collision |
26 | geometries. |
27 | |
a8408367 |
28 | Revision 1.14 2002/02/08 16:50:50 morsch |
29 | Add name and title in constructor. |
30 | |
8b31bfac |
31 | Revision 1.13 2001/10/21 18:35:56 hristov |
32 | Several pointers were set to zero in the default constructors to avoid memory management problems |
33 | |
2685bf00 |
34 | Revision 1.12 2001/06/18 13:07:30 morsch |
35 | Forward kinematic ranges to entries only if not set by user. |
36 | |
212bcf04 |
37 | Revision 1.11 2001/01/30 09:23:12 hristov |
38 | Streamers removed (R.Brun) |
39 | |
a8a6107b |
40 | Revision 1.10 2001/01/26 19:55:49 hristov |
41 | Major upgrade of AliRoot code |
42 | |
2ab0c725 |
43 | Revision 1.9 2000/12/21 16:24:06 morsch |
44 | Coding convention clean-up |
45 | |
675e9664 |
46 | Revision 1.8 2000/10/27 13:53:29 morsch |
47 | AddGenerator: check testbit before setting the pT and momentum range |
48 | (D.Y. Peressounko) |
49 | |
699cb625 |
50 | Revision 1.7 2000/10/02 15:15:41 morsch |
51 | Use default streamer for AliGenCocktail |
52 | |
a436e7fc |
53 | Revision 1.6 2000/09/07 17:04:31 morsch |
54 | In Streamer: TIter() after R__b << fEntries (Dmitri Yurevitch Peressounko) |
55 | |
e6e2a20e |
56 | Revision 1.5 2000/06/09 20:28:51 morsch |
57 | All coding rule violations except RS3 corrected (AM) |
58 | |
374924b5 |
59 | Revision 1.4 1999/09/29 09:24:12 fca |
60 | Introduction of the Copyright and cvs Log |
61 | |
4c039060 |
62 | */ |
63 | |
675e9664 |
64 | // Container class for AliGenerator through recursion. |
65 | // Container is itself an AliGenerator. |
66 | // What is stored are not the pointers to the generators directly but to objects of type |
67 | // AliGenCocktail entry. |
68 | // The class provides also iterator functionality. |
69 | // Author: andreas.morsch@cern.ch |
70 | // |
71 | |
116cbefd |
72 | #include <TList.h> |
73 | #include <TObjArray.h> |
74 | |
fe4da5cc |
75 | #include "AliGenCocktail.h" |
374924b5 |
76 | #include "AliGenCocktailEntry.h" |
09e2e187 |
77 | #include "AliCollisionGeometry.h" |
fe4da5cc |
78 | #include "AliRun.h" |
fe4da5cc |
79 | |
80 | ClassImp(AliGenCocktail) |
81 | |
82 | AliGenCocktail::AliGenCocktail() |
83 | :AliGenerator() |
84 | { |
374924b5 |
85 | // Constructor |
8b31bfac |
86 | fName = "Cocktail"; |
87 | fTitle= "Particle Generator using cocktail of generators"; |
fe4da5cc |
88 | fEntries = new TList; |
2685bf00 |
89 | flnk1 = 0; |
90 | flnk2 = 0; |
fe4da5cc |
91 | fNGenerators=0; |
92 | } |
93 | |
374924b5 |
94 | AliGenCocktail::AliGenCocktail(const AliGenCocktail & cocktail) |
95 | { |
96 | // copy constructor |
97 | } |
fe4da5cc |
98 | |
99 | AliGenCocktail::~AliGenCocktail() |
100 | { |
374924b5 |
101 | // Destructor |
fe4da5cc |
102 | delete fEntries; |
103 | } |
104 | |
105 | void AliGenCocktail:: |
a436e7fc |
106 | AddGenerator(AliGenerator *Generator, char* Name, Float_t RateExp) |
fe4da5cc |
107 | { |
108 | // |
109 | // Forward parameters to the new generator |
212bcf04 |
110 | if(TestBit(kPtRange) && !(Generator->TestBit(kPtRange)) && !(Generator->TestBit(kMomentumRange))) |
111 | Generator->SetPtRange(fPtMin,fPtMax); |
112 | if(TestBit(kMomentumRange) && !(Generator->TestBit(kPtRange)) && !(Generator->TestBit(kMomentumRange))) |
113 | Generator->SetMomentumRange(fPMin,fPMax); |
114 | |
115 | if (!(Generator->TestBit(kYRange))) |
116 | Generator->SetYRange(fYMin,fYMax); |
117 | if (!(Generator->TestBit(kPhiRange))) |
118 | Generator->SetPhiRange(fPhiMin*180/TMath::Pi(),fPhiMax*180/TMath::Pi()); |
119 | if (!(Generator->TestBit(kThetaRange))) |
120 | Generator->SetThetaRange(fThetaMin*180/TMath::Pi(),fThetaMax*180/TMath::Pi()); |
121 | if (!(Generator->TestBit(kVertexRange))) |
122 | Generator->SetOrigin(fOrigin[0], fOrigin[1], fOrigin[2]); |
fe4da5cc |
123 | Generator-> |
124 | SetSigma(fOsigma[0], fOsigma[1], fOsigma[2]); |
7a50a130 |
125 | Generator->SetVertexSmear(fVertexSmear); |
126 | Generator->SetTrackingFlag(fTrackIt); |
fe4da5cc |
127 | // |
128 | // Add generator to list |
a436e7fc |
129 | |
374924b5 |
130 | AliGenCocktailEntry *entry = |
fe4da5cc |
131 | new AliGenCocktailEntry(Generator, Name, RateExp); |
374924b5 |
132 | fEntries->Add(entry); |
fe4da5cc |
133 | fNGenerators++; |
134 | } |
135 | |
136 | void AliGenCocktail::Init() |
374924b5 |
137 | { |
138 | // Initialisation |
139 | TIter next(fEntries); |
140 | AliGenCocktailEntry *entry; |
141 | // |
142 | // Loop over generators and initialize |
143 | while((entry = (AliGenCocktailEntry*)next())) { |
144 | entry->Generator()->Init(); |
145 | } |
146 | } |
fe4da5cc |
147 | |
09e2e187 |
148 | void AliGenCocktail::FinishRun() |
149 | { |
150 | // Initialisation |
151 | TIter next(fEntries); |
152 | AliGenCocktailEntry *entry; |
153 | // |
154 | // Loop over generators and initialize |
155 | while((entry = (AliGenCocktailEntry*)next())) { |
156 | entry->Generator()->FinishRun(); |
157 | } |
158 | } |
159 | |
fe4da5cc |
160 | void AliGenCocktail::Generate() |
374924b5 |
161 | { |
162 | // |
163 | // Generate event |
164 | TIter next(fEntries); |
a8408367 |
165 | AliGenCocktailEntry *entry = 0; |
166 | AliGenCocktailEntry *preventry = 0; |
167 | AliGenerator* gen = 0; |
09e2e187 |
168 | |
2ab0c725 |
169 | TObjArray *partArray = gAlice->Particles(); |
374924b5 |
170 | // |
171 | // Loop over generators and generate events |
172 | Int_t igen=0; |
a8408367 |
173 | |
374924b5 |
174 | while((entry = (AliGenCocktailEntry*)next())) { |
175 | igen++; |
176 | if (igen ==1) { |
177 | entry->SetFirst(0); |
178 | } else { |
179 | entry->SetFirst((partArray->GetEntriesFast())+1); |
180 | } |
a8408367 |
181 | // |
182 | // Handle case in which current generator needs collision geometry from previous generator |
183 | // |
184 | gen = entry->Generator(); |
185 | if (gen->NeedsCollisionGeometry()) |
186 | { |
187 | if (preventry && preventry->Generator()->ProvidesCollisionGeometry()) |
188 | { |
189 | gen->SetCollisionGeometry(preventry->Generator()->CollisionGeometry()); |
190 | } else { |
191 | Fatal("Generate()", "No Collision Geometry Provided"); |
192 | } |
193 | } |
194 | |
374924b5 |
195 | entry->Generator()->Generate(); |
196 | entry->SetLast(partArray->GetEntriesFast()); |
a8408367 |
197 | preventry = entry; |
374924b5 |
198 | } |
199 | next.Reset(); |
374924b5 |
200 | } |
fe4da5cc |
201 | |
202 | AliGenCocktailEntry * AliGenCocktail::FirstGenerator() |
203 | { |
374924b5 |
204 | // Iterator over generators: Initialisation |
fe4da5cc |
205 | flnk1 = fEntries->FirstLink(); |
206 | if (flnk1) { |
207 | return (AliGenCocktailEntry*) (flnk1->GetObject()); |
208 | } else { |
209 | return 0; |
210 | } |
211 | } |
212 | |
213 | AliGenCocktailEntry* AliGenCocktail::NextGenerator() |
214 | { |
374924b5 |
215 | // Iterator over generators: Increment |
fe4da5cc |
216 | flnk1 = flnk1->Next(); |
217 | if (flnk1) { |
218 | return (AliGenCocktailEntry*) (flnk1->GetObject()); |
219 | } else { |
220 | return 0; |
221 | } |
222 | } |
223 | |
224 | void AliGenCocktail:: |
225 | FirstGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2) |
226 | { |
374924b5 |
227 | // Iterator over generator pairs: Initialisation |
fe4da5cc |
228 | flnk2 = flnk1 = fEntries->FirstLink(); |
229 | if (flnk1) { |
230 | e2 = e1 = (AliGenCocktailEntry*) (flnk1->GetObject()); |
231 | } else { |
232 | e2= e1 = 0; |
233 | } |
234 | } |
235 | |
236 | void AliGenCocktail:: |
237 | NextGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2) |
238 | { |
374924b5 |
239 | // Iterator over generators: Increment |
fe4da5cc |
240 | flnk2 = flnk2->Next(); |
241 | if (flnk2) { |
242 | e1 = (AliGenCocktailEntry*) (flnk1->GetObject()); |
243 | e2 = (AliGenCocktailEntry*) (flnk2->GetObject()); |
244 | } else { |
245 | flnk2 = flnk1 = flnk1->Next(); |
246 | if (flnk1) { |
247 | e1 = (AliGenCocktailEntry*) (flnk1->GetObject()); |
248 | e2 = (AliGenCocktailEntry*) (flnk2->GetObject()); |
249 | } else { |
250 | e1=0; |
251 | e2=0; |
252 | } |
253 | } |
254 | } |
255 | |
374924b5 |
256 | AliGenCocktail& AliGenCocktail::operator=(const AliGenCocktail& rhs) |
257 | { |
258 | // Assignment operator |
259 | return *this; |
fe4da5cc |
260 | } |
261 | |
262 | |