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 1.5 2000/06/09 20:28:51 morsch
19 All coding rule violations except RS3 corrected (AM)
21 Revision 1.4 1999/09/29 09:24:12 fca
22 Introduction of the Copyright and cvs Log
26 #include "AliGenCocktail.h"
27 #include "AliGenCocktailEntry.h"
31 ClassImp(AliGenCocktail)
33 AliGenCocktail::AliGenCocktail()
41 AliGenCocktail::AliGenCocktail(const AliGenCocktail & cocktail)
46 AliGenCocktail::~AliGenCocktail()
53 AddGenerator(AliGenerator *Generator, TString Name, Float_t RateExp)
56 // Forward parameters to the new generator
57 Generator->SetPtRange(fPtMin,fPtMax);
58 Generator->SetMomentumRange(fPMin,fPMax);
59 Generator->SetYRange(fYMin,fYMax);
61 SetPhiRange(fPhiMin*180/TMath::Pi(),fPhiMax*180/TMath::Pi());
63 SetThetaRange(fThetaMin*180/TMath::Pi(),fThetaMax*180/TMath::Pi());
65 SetOrigin(fOrigin[0], fOrigin[1], fOrigin[2]);
67 SetSigma(fOsigma[0], fOsigma[1], fOsigma[2]);
68 Generator->SetVertexSmear(fVertexSmear);
69 Generator->SetTrackingFlag(fTrackIt);
71 // Add generator to list
72 AliGenCocktailEntry *entry =
73 new AliGenCocktailEntry(Generator, Name, RateExp);
78 void AliGenCocktail::Init()
82 AliGenCocktailEntry *entry;
84 // Loop over generators and initialize
85 while((entry = (AliGenCocktailEntry*)next())) {
86 entry->Generator()->Init();
90 void AliGenCocktail::Generate()
95 AliGenCocktailEntry *entry;
96 AliGenCocktailEntry *e1;
97 AliGenCocktailEntry *e2;
98 TClonesArray *partArray = gAlice->Particles();
100 // Loop over generators and generate events
102 while((entry = (AliGenCocktailEntry*)next())) {
107 entry->SetFirst((partArray->GetEntriesFast())+1);
109 entry->Generator()->Generate();
110 entry->SetLast(partArray->GetEntriesFast());
113 while((entry = (AliGenCocktailEntry*)next())) {
116 for (entry=FirstGenerator();
118 entry=NextGenerator()
122 for (FirstGeneratorPair(e1,e2);
124 NextGeneratorPair(e1,e2)
126 printf("\n -----------------------------");
132 AliGenCocktailEntry * AliGenCocktail::FirstGenerator()
134 // Iterator over generators: Initialisation
135 flnk1 = fEntries->FirstLink();
137 return (AliGenCocktailEntry*) (flnk1->GetObject());
143 AliGenCocktailEntry* AliGenCocktail::NextGenerator()
145 // Iterator over generators: Increment
146 flnk1 = flnk1->Next();
148 return (AliGenCocktailEntry*) (flnk1->GetObject());
154 void AliGenCocktail::
155 FirstGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2)
157 // Iterator over generator pairs: Initialisation
158 flnk2 = flnk1 = fEntries->FirstLink();
160 e2 = e1 = (AliGenCocktailEntry*) (flnk1->GetObject());
166 void AliGenCocktail::
167 NextGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2)
169 // Iterator over generators: Increment
170 flnk2 = flnk2->Next();
172 e1 = (AliGenCocktailEntry*) (flnk1->GetObject());
173 e2 = (AliGenCocktailEntry*) (flnk2->GetObject());
175 flnk2 = flnk1 = flnk1->Next();
177 e1 = (AliGenCocktailEntry*) (flnk1->GetObject());
178 e2 = (AliGenCocktailEntry*) (flnk2->GetObject());
187 void AliGenCocktail::Streamer(TBuffer &R__b)
189 // Stream an object of class AliGenCocktail.
191 AliGenCocktailEntry *entry;
193 if (R__b.IsReading()) {
194 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
195 AliGenerator::Streamer(R__b);
196 R__b >> fNGenerators;
198 TIter next(fEntries);
199 // Stream generation related information
200 while((entry = (AliGenCocktailEntry*)next())) {
201 entry->Streamer(R__b);
204 R__b.WriteVersion(AliGenCocktail::IsA());
205 AliGenerator::Streamer(R__b);
206 R__b << fNGenerators;
208 TIter next(fEntries);
209 // Stream generation related information
210 while((entry = (AliGenCocktailEntry*)next())) {
211 entry->Streamer(R__b);
216 AliGenCocktail& AliGenCocktail::operator=(const AliGenCocktail& rhs)
218 // Assignment operator