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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 | $Log$ | |
2ab0c725 | 18 | Revision 1.10 2000/12/21 15:30:18 fca |
19 | Correcting coding convention violations | |
20 | ||
b23a502f | 21 | Revision 1.9 2000/10/04 10:08:01 fca |
22 | Correction of minor typing mistakes | |
23 | ||
ca3a341c | 24 | Revision 1.8 2000/10/02 21:28:14 fca |
25 | Removal of useless dependecies via forward declarations | |
26 | ||
94de3818 | 27 | Revision 1.7 2000/07/12 08:56:25 fca |
28 | Coding convention correction and warning removal | |
29 | ||
8918e700 | 30 | Revision 1.6 2000/07/11 18:24:59 fca |
31 | Coding convention corrections + few minor bug fixes | |
32 | ||
aee8290b | 33 | Revision 1.5 2000/06/08 13:34:50 fca |
34 | Better control of momentum range in GenBox | |
35 | ||
de6d59e3 | 36 | Revision 1.4 1999/09/29 09:24:29 fca |
37 | Introduction of the Copyright and cvs Log | |
38 | ||
4c039060 | 39 | */ |
40 | ||
fe4da5cc | 41 | /////////////////////////////////////////////////////////////////// |
42 | // // | |
43 | // Generate the final state of the interaction as the input // | |
44 | // to the MonteCarlo // | |
45 | // | |
46 | //Begin_Html | |
47 | /* | |
1439f98e | 48 | <img src="picts/AliGeneratorClass.gif"> |
fe4da5cc | 49 | </pre> |
50 | <br clear=left> | |
51 | <font size=+2 color=red> | |
52 | <p>The responsible person for this module is | |
53 | <a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>. | |
54 | </font> | |
55 | <pre> | |
56 | */ | |
57 | //End_Html | |
58 | // // | |
59 | /////////////////////////////////////////////////////////////////// | |
60 | ||
61 | #include "AliGenerator.h" | |
b23a502f | 62 | #include "TGenerator.h" |
fe4da5cc | 63 | #include "AliRun.h" |
64 | ||
65 | ClassImp(AliGenerator) | |
66 | ||
67 | TGenerator* AliGenerator::fgMCEvGen=0; | |
68 | ||
69 | //____________________________________________________________ | |
70 | AliGenerator::AliGenerator() | |
71 | { | |
aee8290b | 72 | // |
73 | // Default constructor | |
74 | // | |
2ab0c725 | 75 | if (gAlice->GetDebug()>0) |
76 | printf("\n AliGenerator Default Constructor\n\n"); | |
4a3ba9d2 | 77 | |
fe4da5cc | 78 | gAlice->SetGenerator(this); |
de6d59e3 | 79 | SetThetaRange(); ResetBit(kThetaRange); |
80 | SetPhiRange(); ResetBit(kPhiRange); | |
81 | SetMomentumRange(); ResetBit(kMomentumRange); | |
82 | SetPtRange(); ResetBit(kPtRange); | |
83 | SetYRange(); ResetBit(kYRange); | |
fe4da5cc | 84 | SetNumberParticles(); |
4a3ba9d2 | 85 | SetTrackingFlag(); |
de6d59e3 | 86 | |
fe4da5cc | 87 | fOrigin.Set(3); |
88 | fOsigma.Set(3); | |
89 | fOrigin[0]=fOrigin[1]=fOrigin[2]=0; | |
90 | fOsigma[0]=fOsigma[1]=fOsigma[2]=0; | |
de6d59e3 | 91 | fVMin.Set(3); |
92 | fVMin[0]=fVMin[1]=fVMin[2]=0; | |
93 | fVMax.Set(3); | |
94 | fVMax[0]=fVMax[1]=fVMax[2]=10000; | |
fe4da5cc | 95 | } |
96 | ||
97 | //____________________________________________________________ | |
98 | AliGenerator::AliGenerator(Int_t npart) | |
99 | : TNamed(" "," ") | |
100 | { | |
aee8290b | 101 | // |
102 | // Standard constructor | |
103 | // | |
2ab0c725 | 104 | if (gAlice->GetDebug()>0) |
105 | printf("\n AliGenerator Constructor initializing number of particles \n\n"); | |
fe4da5cc | 106 | gAlice->SetGenerator(this); |
de6d59e3 | 107 | SetThetaRange(); ResetBit(kThetaRange); |
108 | SetPhiRange(); ResetBit(kPhiRange); | |
109 | SetMomentumRange(); ResetBit(kMomentumRange); | |
110 | SetPtRange(); ResetBit(kPtRange); | |
111 | SetYRange(); ResetBit(kYRange); | |
4a3ba9d2 | 112 | SetTrackingFlag(); |
de6d59e3 | 113 | |
fe4da5cc | 114 | fOrigin.Set(3); |
115 | fOsigma.Set(3); | |
116 | fOrigin[0]=fOrigin[1]=fOrigin[2]=0; | |
117 | fOsigma[0]=fOsigma[1]=fOsigma[2]=0; | |
118 | fVMin.Set(3); | |
119 | fVMin[0]=fVMin[1]=fVMin[2]=0; | |
120 | fVMax.Set(3); | |
121 | fVMax[0]=fVMax[1]=fVMax[2]=10000; | |
de6d59e3 | 122 | |
123 | SetNumberParticles(npart); | |
fe4da5cc | 124 | } |
125 | ||
aee8290b | 126 | //____________________________________________________________ |
127 | AliGenerator::AliGenerator(const AliGenerator &gen) : TNamed(" "," ") | |
128 | { | |
129 | // | |
130 | // Copy constructor | |
131 | // | |
132 | gen.Copy(*this); | |
133 | } | |
134 | ||
135 | //____________________________________________________________ | |
136 | AliGenerator & AliGenerator::operator=(const AliGenerator &gen) | |
137 | { | |
138 | // | |
139 | // Assignment operator | |
140 | // | |
141 | gen.Copy(*this); | |
142 | return (*this); | |
143 | } | |
144 | ||
145 | //____________________________________________________________ | |
8918e700 | 146 | void AliGenerator::Copy(AliGenerator &/* gen */) const |
aee8290b | 147 | { |
148 | // | |
149 | // Copy *this onto gen | |
150 | // | |
151 | Fatal("Copy","Not implemented!\n"); | |
152 | } | |
153 | ||
fe4da5cc | 154 | //____________________________________________________________ |
155 | AliGenerator::~AliGenerator() | |
156 | { | |
aee8290b | 157 | // |
158 | // Destructor | |
159 | // | |
fe4da5cc | 160 | fOrigin.Set(0); |
161 | fOsigma.Set(0); | |
162 | delete fgMCEvGen; | |
163 | } | |
164 | ||
165 | void AliGenerator::Init() | |
166 | { | |
aee8290b | 167 | // |
168 | // Dummy initialisation | |
169 | // | |
fe4da5cc | 170 | } |
171 | ||
94de3818 | 172 | //_______________________________________________________________________ |
173 | void AliGenerator::SetOrigin(Float_t ox, Float_t oy, Float_t oz) | |
174 | { | |
175 | // | |
176 | // Set the vertex for the generated tracks | |
177 | // | |
178 | fOrigin[0]=ox; | |
179 | fOrigin[1]=oy; | |
180 | fOrigin[2]=oz; | |
181 | } | |
182 | ||
183 | //_______________________________________________________________________ | |
184 | void AliGenerator::SetOrigin(const TLorentzVector &o) | |
185 | { | |
186 | // | |
187 | // Set the vertex for the generated tracks | |
188 | // | |
189 | fOrigin[0]=o[0]; | |
190 | fOrigin[1]=o[1]; | |
191 | fOrigin[2]=o[2]; | |
192 | } | |
193 | ||
194 | //_______________________________________________________________________ | |
195 | void AliGenerator::SetSigma(Float_t sx, Float_t sy, Float_t sz) | |
196 | { | |
197 | // | |
198 | // Set the spread of the vertex | |
199 | // | |
200 | fOsigma[0]=sx; | |
201 | fOsigma[1]=sy; | |
202 | fOsigma[2]=sz; | |
203 | } | |
204 | ||
205 | //_______________________________________________________________________ | |
206 | void AliGenerator::SetMomentumRange(Float_t pmin, Float_t pmax) | |
207 | { | |
208 | // | |
209 | // Set the momentum range for the generated particles | |
210 | // | |
211 | fPMin = pmin; | |
212 | fPMax = pmax; | |
213 | SetBit(kMomentumRange); | |
214 | } | |
215 | ||
216 | //_______________________________________________________________________ | |
217 | void AliGenerator::SetPtRange(Float_t ptmin, Float_t ptmax) | |
218 | { | |
219 | // | |
220 | // Set the Pt range for the generated particles | |
221 | // | |
222 | fPtMin = ptmin; | |
223 | fPtMax = ptmax; | |
224 | SetBit(kPtRange); | |
225 | } | |
226 | ||
227 | //_______________________________________________________________________ | |
228 | void AliGenerator::SetPhiRange(Float_t phimin, Float_t phimax) | |
229 | { | |
230 | // | |
231 | // Set the Phi range for the generated particles | |
232 | // | |
233 | fPhiMin = TMath::Pi()*phimin/180; | |
234 | fPhiMax = TMath::Pi()*phimax/180; SetBit(kPhiRange); | |
235 | } | |
236 | ||
237 | //_______________________________________________________________________ | |
ca3a341c | 238 | void AliGenerator::SetYRange(Float_t ymin, Float_t ymax) |
94de3818 | 239 | { |
240 | // | |
241 | // Set the Rapidity range for the generated particles | |
242 | // | |
243 | fYMin=ymin; | |
244 | fYMax=ymax; | |
245 | SetBit(kYRange); | |
246 | } | |
247 | ||
248 | //_______________________________________________________________________ | |
249 | void AliGenerator::SetVRange(Float_t vxmin, Float_t vxmax, | |
250 | Float_t vymin, Float_t vymax, | |
251 | Float_t vzmin, Float_t vzmax) | |
252 | { | |
253 | // | |
254 | // Set the vertex range for the generated particles | |
255 | // | |
256 | fVMin[0]=vxmin; fVMin[1]=vymin; fVMin[2]=vzmin; | |
257 | fVMax[0]=vxmax; fVMax[1]=vymax; fVMax[2]=vzmax; | |
258 | SetBit(kVertexRange); | |
259 | } | |
fe4da5cc | 260 | |
94de3818 | 261 | //_______________________________________________________________________ |
262 | void AliGenerator::SetThetaRange(Float_t thetamin, Float_t thetamax) | |
263 | { | |
264 | // | |
265 | // Set the theta range for the generated particles | |
266 | // | |
267 | fThetaMin = TMath::Pi()*thetamin/180; | |
268 | fThetaMax = TMath::Pi()*thetamax/180; SetBit(kThetaRange); | |
269 | } |