1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 Revision 1.7 2000/10/02 15:15:41 morsch
19 Use default streamer for AliGenCocktail
21 Revision 1.6 2000/09/07 17:04:31 morsch
22 In Streamer: TIter() after R__b << fEntries (Dmitri Yurevitch Peressounko)
24 Revision 1.5 2000/06/09 20:28:51 morsch
25 All coding rule violations except RS3 corrected (AM)
27 Revision 1.4 1999/09/29 09:24:12 fca
28 Introduction of the Copyright and cvs Log
32 #include "AliGenCocktail.h"
33 #include "AliGenCocktailEntry.h"
36 ClassImp(AliGenCocktail)
38 AliGenCocktail::AliGenCocktail()
46 AliGenCocktail::AliGenCocktail(const AliGenCocktail & cocktail)
51 AliGenCocktail::~AliGenCocktail()
58 AddGenerator(AliGenerator *Generator, char* Name, Float_t RateExp)
61 // Forward parameters to the new generator
63 Generator->SetPtRange(fPtMin,fPtMax);
64 if(TestBit(kMomentumRange))
65 Generator->SetMomentumRange(fPMin,fPMax);
67 Generator->SetYRange(fYMin,fYMax);
69 SetPhiRange(fPhiMin*180/TMath::Pi(),fPhiMax*180/TMath::Pi());
71 SetThetaRange(fThetaMin*180/TMath::Pi(),fThetaMax*180/TMath::Pi());
73 SetOrigin(fOrigin[0], fOrigin[1], fOrigin[2]);
75 SetSigma(fOsigma[0], fOsigma[1], fOsigma[2]);
76 Generator->SetVertexSmear(fVertexSmear);
77 Generator->SetTrackingFlag(fTrackIt);
79 // Add generator to list
81 AliGenCocktailEntry *entry =
82 new AliGenCocktailEntry(Generator, Name, RateExp);
87 void AliGenCocktail::Init()
91 AliGenCocktailEntry *entry;
93 // Loop over generators and initialize
94 while((entry = (AliGenCocktailEntry*)next())) {
95 entry->Generator()->Init();
99 void AliGenCocktail::Generate()
103 TIter next(fEntries);
104 AliGenCocktailEntry *entry;
105 AliGenCocktailEntry *e1;
106 AliGenCocktailEntry *e2;
107 TClonesArray *partArray = gAlice->Particles();
109 // Loop over generators and generate events
111 while((entry = (AliGenCocktailEntry*)next())) {
116 entry->SetFirst((partArray->GetEntriesFast())+1);
118 entry->Generator()->Generate();
119 entry->SetLast(partArray->GetEntriesFast());
122 while((entry = (AliGenCocktailEntry*)next())) {
125 for (entry=FirstGenerator();
127 entry=NextGenerator()
131 for (FirstGeneratorPair(e1,e2);
133 NextGeneratorPair(e1,e2)
135 printf("\n -----------------------------");
141 AliGenCocktailEntry * AliGenCocktail::FirstGenerator()
143 // Iterator over generators: Initialisation
144 flnk1 = fEntries->FirstLink();
146 return (AliGenCocktailEntry*) (flnk1->GetObject());
152 AliGenCocktailEntry* AliGenCocktail::NextGenerator()
154 // Iterator over generators: Increment
155 flnk1 = flnk1->Next();
157 return (AliGenCocktailEntry*) (flnk1->GetObject());
163 void AliGenCocktail::
164 FirstGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2)
166 // Iterator over generator pairs: Initialisation
167 flnk2 = flnk1 = fEntries->FirstLink();
169 e2 = e1 = (AliGenCocktailEntry*) (flnk1->GetObject());
175 void AliGenCocktail::
176 NextGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2)
178 // Iterator over generators: Increment
179 flnk2 = flnk2->Next();
181 e1 = (AliGenCocktailEntry*) (flnk1->GetObject());
182 e2 = (AliGenCocktailEntry*) (flnk2->GetObject());
184 flnk2 = flnk1 = flnk1->Next();
186 e1 = (AliGenCocktailEntry*) (flnk1->GetObject());
187 e2 = (AliGenCocktailEntry*) (flnk2->GetObject());
196 void AliGenCocktail::Streamer(TBuffer &R__b)
198 // Stream an object of class AliGenCocktail.
200 AliGenCocktailEntry *entry;
202 if (R__b.IsReading()) {
203 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
204 AliGenerator::Streamer(R__b);
205 R__b >> fNGenerators;
207 TIter next(fEntries);
208 // Stream generation related information
209 while((entry = (AliGenCocktailEntry*)next())) {
210 entry->Streamer(R__b);
213 R__b.WriteVersion(AliGenCocktail::IsA());
214 AliGenerator::Streamer(R__b);
215 R__b << fNGenerators;
217 TIter next(fEntries);
218 // Stream generation related information
219 while((entry = (AliGenCocktailEntry*)next())) {
220 entry->Streamer(R__b);
226 AliGenCocktail& AliGenCocktail::operator=(const AliGenCocktail& rhs)
228 // Assignment operator