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 1.4 1999/09/29 09:24:12 fca
19 Introduction of the Copyright and cvs Log
23 #include "AliGenCocktail.h"
24 #include "AliGenCocktailEntry.h"
28 ClassImp(AliGenCocktail)
30 AliGenCocktail::AliGenCocktail()
38 AliGenCocktail::AliGenCocktail(const AliGenCocktail & cocktail)
43 AliGenCocktail::~AliGenCocktail()
50 AddGenerator(AliGenerator *Generator, TString Name, Float_t RateExp)
53 // Forward parameters to the new generator
54 Generator->SetPtRange(fPtMin,fPtMax);
55 Generator->SetMomentumRange(fPMin,fPMax);
56 Generator->SetYRange(fYMin,fYMax);
58 SetPhiRange(fPhiMin*180/TMath::Pi(),fPhiMax*180/TMath::Pi());
60 SetThetaRange(fThetaMin*180/TMath::Pi(),fThetaMax*180/TMath::Pi());
62 SetOrigin(fOrigin[0], fOrigin[1], fOrigin[2]);
64 SetSigma(fOsigma[0], fOsigma[1], fOsigma[2]);
65 Generator->SetVertexSmear(fVertexSmear);
66 Generator->SetTrackingFlag(fTrackIt);
68 // Add generator to list
69 AliGenCocktailEntry *entry =
70 new AliGenCocktailEntry(Generator, Name, RateExp);
75 void AliGenCocktail::Init()
79 AliGenCocktailEntry *entry;
81 // Loop over generators and initialize
82 while((entry = (AliGenCocktailEntry*)next())) {
83 entry->Generator()->Init();
87 void AliGenCocktail::Generate()
92 AliGenCocktailEntry *entry;
93 AliGenCocktailEntry *e1;
94 AliGenCocktailEntry *e2;
95 TClonesArray *partArray = gAlice->Particles();
97 // Loop over generators and generate events
99 while((entry = (AliGenCocktailEntry*)next())) {
104 entry->SetFirst((partArray->GetEntriesFast())+1);
106 entry->Generator()->Generate();
107 entry->SetLast(partArray->GetEntriesFast());
110 while((entry = (AliGenCocktailEntry*)next())) {
113 for (entry=FirstGenerator();
115 entry=NextGenerator()
119 for (FirstGeneratorPair(e1,e2);
121 NextGeneratorPair(e1,e2)
123 printf("\n -----------------------------");
129 AliGenCocktailEntry * AliGenCocktail::FirstGenerator()
131 // Iterator over generators: Initialisation
132 flnk1 = fEntries->FirstLink();
134 return (AliGenCocktailEntry*) (flnk1->GetObject());
140 AliGenCocktailEntry* AliGenCocktail::NextGenerator()
142 // Iterator over generators: Increment
143 flnk1 = flnk1->Next();
145 return (AliGenCocktailEntry*) (flnk1->GetObject());
151 void AliGenCocktail::
152 FirstGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2)
154 // Iterator over generator pairs: Initialisation
155 flnk2 = flnk1 = fEntries->FirstLink();
157 e2 = e1 = (AliGenCocktailEntry*) (flnk1->GetObject());
163 void AliGenCocktail::
164 NextGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2)
166 // Iterator over generators: Increment
167 flnk2 = flnk2->Next();
169 e1 = (AliGenCocktailEntry*) (flnk1->GetObject());
170 e2 = (AliGenCocktailEntry*) (flnk2->GetObject());
172 flnk2 = flnk1 = flnk1->Next();
174 e1 = (AliGenCocktailEntry*) (flnk1->GetObject());
175 e2 = (AliGenCocktailEntry*) (flnk2->GetObject());
184 void AliGenCocktail::Streamer(TBuffer &R__b)
186 // Stream an object of class AliGenCocktail.
187 TIter next(fEntries);
188 AliGenCocktailEntry *entry;
190 if (R__b.IsReading()) {
191 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
192 AliGenerator::Streamer(R__b);
193 R__b >> fNGenerators;
195 // Stream generation related information
196 while((entry = (AliGenCocktailEntry*)next())) {
197 entry->Streamer(R__b);
200 R__b.WriteVersion(AliGenCocktail::IsA());
201 AliGenerator::Streamer(R__b);
202 R__b << fNGenerators;
204 // Stream generation related information
205 while((entry = (AliGenCocktailEntry*)next())) {
206 entry->Streamer(R__b);
211 AliGenCocktail& AliGenCocktail::operator=(const AliGenCocktail& rhs)
213 // Assignment operator