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9033ee49 | 1 | // |
2 | //################################################################### | |
3 | //# EPOS 1.67 K. WERNER, T. PIEROG, S. PORTEBOEUF. # | |
4 | //# Contact: werner@subatech.in2p3.fr # | |
5 | //################################################################### | |
6 | // | |
7 | // TEpos.cxx | |
8 | // | |
9 | // Wraper class for interfacing EPOS model, derived from ROOT's TGenerator. | |
10 | // It generates temporary input file for the model, providing user with | |
11 | // ability to add his/hers own lines to the input. | |
12 | // Output is read directly from common blocks. | |
13 | // | |
14 | // Author: Piotr Ostrowski, postrow@if.pw.edu.pl | |
15 | // | |
9ef1c2d9 | 16 | |
17 | ||
18 | #include <TClonesArray.h> | |
6a0522a4 | 19 | #include <TDatabasePDG.h> |
9ef1c2d9 | 20 | #include <TObjArray.h> |
21 | #include <TParticle.h> | |
22 | #include <TROOT.h> | |
23 | #include <TRandom.h> | |
879c2333 | 24 | #include <TMath.h> |
9ef1c2d9 | 25 | #include <iostream> |
26 | #include <fstream> | |
27 | #include <string> | |
28 | #include <vector> | |
29 | #include "eposproc.h" | |
30 | #include "EPOScommon.h" | |
879c2333 | 31 | #include "AliGenEposIsajetToPdgConverter.h" |
9ef1c2d9 | 32 | #include "TEpos.h" |
33 | ||
34 | using namespace std; | |
35 | ||
36 | ClassImp(TEpos) | |
37 | ||
38 | TEpos::TEpos() : TGenerator("EPOS", "Epos event generator"), | |
39 | fLaproj(0), | |
40 | fMaproj(0), | |
41 | fLatarg(0), | |
42 | fMatarg(0), | |
43 | fBminim(0.0), | |
44 | fBmaxim(10000.0), | |
45 | fPhimin(0.0), | |
879c2333 | 46 | fPhimax(TMath::TwoPi()), |
9ef1c2d9 | 47 | fEcms(-1), |
48 | fSplitting(kFALSE), | |
49 | fNoDecays(), | |
879c2333 | 50 | fExtraInputLines(), |
51 | fIdConverter() | |
9ef1c2d9 | 52 | { |
879c2333 | 53 | fIdConverter=new AliGenEposIsajetToPdgConverter(); |
9ef1c2d9 | 54 | } |
55 | ||
879c2333 | 56 | TEpos::TEpos(const TEpos&) : TGenerator("EPOS", "Epos event generator"), |
57 | fLaproj(0), | |
58 | fMaproj(0), | |
59 | fLatarg(0), | |
60 | fMatarg(0), | |
61 | fBminim(0.0), | |
62 | fBmaxim(10000.0), | |
63 | fPhimin(0.0), | |
64 | fPhimax(TMath::TwoPi()), | |
65 | fEcms(-1), | |
66 | fSplitting(kFALSE), | |
67 | fNoDecays(), | |
68 | fExtraInputLines(), | |
69 | fIdConverter() | |
70 | { | |
71 | fIdConverter = new AliGenEposIsajetToPdgConverter(); | |
72 | } | |
73 | ||
74 | TEpos::~TEpos() { | |
75 | delete fIdConverter; | |
76 | } | |
77 | ||
78 | TEpos& TEpos::operator=(const TEpos&) { | |
9033ee49 | 79 | //operator= |
879c2333 | 80 | if (!fIdConverter) { |
81 | fIdConverter = new AliGenEposIsajetToPdgConverter(); | |
82 | } | |
83 | return *this; | |
84 | } | |
9ef1c2d9 | 85 | |
86 | void TEpos::Initialize() { | |
9033ee49 | 87 | // Generates input file and prepares EPOS to read from it. |
9ef1c2d9 | 88 | Int_t nopeno = 0; |
89 | GenerateInputFile(); | |
90 | aaset(0); | |
91 | atitle(); | |
92 | xiniall(); | |
93 | ||
94 | const char *inputFileName = GetInputFileName(); | |
95 | Int_t nameLength = strlen(inputFileName); | |
96 | setinp(inputFileName, nameLength, nameLength); | |
97 | aread(); | |
98 | while(copen.nopen == -1) { | |
99 | copen.nopen=nopeno; | |
100 | prnt1.iecho=1; | |
101 | xiniall(); | |
102 | aread(); | |
103 | } | |
104 | Int_t ishini; | |
105 | utpri("aamain",prnt1.ish,ishini,4,6); | |
106 | if(appli.model != 1) | |
107 | IniModel(appli.model); | |
108 | ebin.nrebin = 1; | |
109 | ainit(); | |
f1d31e44 | 110 | aseed(2); |
9ef1c2d9 | 111 | } |
112 | ||
113 | void TEpos::GenerateEvent() { | |
f1d31e44 | 114 | // cseed.seedj = gRandom->Rndm() * 1e10; |
9ef1c2d9 | 115 | Int_t n = 1; |
116 | evgen(n); | |
117 | } | |
118 | ||
119 | Int_t TEpos::ImportParticles(TClonesArray *particles, Option_t *) { | |
9033ee49 | 120 | //Fills provided ClonesArray with generated particles |
9ef1c2d9 | 121 | particles->Clear(); |
122 | if (!cevt.nevt) return 0; | |
123 | Int_t numpart = cptl.nptl; | |
124 | printf("%d particles generated\n", numpart); | |
125 | for (Int_t iPart=0; iPart<numpart; iPart++) { | |
126 | Int_t tFather = cptl.iorptl[iPart] - 1; | |
127 | tFather = tFather < -1 ? -1 : tFather; | |
128 | if (tFather> -1) { | |
129 | TParticle *mother = (TParticle*) (particles->UncheckedAt(tFather)); | |
130 | mother->SetLastDaughter(iPart); | |
131 | if (mother->GetFirstDaughter()==-1) | |
132 | mother->SetFirstDaughter(iPart); | |
133 | } | |
9ef1c2d9 | 134 | Int_t status = cptl.istptl[iPart] + 1; |
879c2333 | 135 | Int_t pdg = fIdConverter->ConvertIsajetToPdg(cptl.idptl[iPart]); |
9ef1c2d9 | 136 | new((*particles)[iPart]) TParticle(pdg, status, |
137 | tFather, -1, -1, -1, | |
138 | cptl.pptl[iPart][0], cptl.pptl[iPart][1],cptl.pptl[iPart][2],cptl.pptl[iPart][3], | |
139 | cptl.xorptl[iPart][0]*1.e-12, cptl.xorptl[iPart][1]*1.e-12, cptl.xorptl[iPart][2]*1.e-12, cptl.xorptl[iPart][3]*1e-12); | |
140 | (*particles)[iPart]->SetUniqueID(iPart); | |
141 | } | |
142 | ||
143 | return numpart; | |
144 | } | |
145 | ||
146 | TObjArray* TEpos::ImportParticles(Option_t *) { | |
9033ee49 | 147 | //Creates new particle array |
9ef1c2d9 | 148 | fParticles->Clear(); |
149 | if (!cevt.nevt) return NULL; | |
150 | Int_t numpart = cptl.nptl; | |
151 | printf("%d particles generated\n", numpart); | |
152 | for (Int_t iPart=0; iPart<numpart; iPart++) { | |
153 | Int_t tFather = cptl.iorptl[iPart] - 1; | |
154 | tFather = tFather < -1 ? -1 : tFather; | |
155 | if (tFather> -1) { | |
156 | TParticle *mother = (TParticle*) (fParticles->UncheckedAt(tFather)); | |
157 | mother->SetLastDaughter(iPart); | |
158 | if (mother->GetFirstDaughter()==-1) | |
159 | mother->SetFirstDaughter(iPart); | |
160 | } | |
9ef1c2d9 | 161 | Int_t status = cptl.istptl[iPart] + 1; |
879c2333 | 162 | Int_t pdg = fIdConverter->ConvertIsajetToPdg(cptl.idptl[iPart]); |
9ef1c2d9 | 163 | TParticle* p = new TParticle(pdg, status, |
164 | tFather, -1, -1, -1, | |
165 | cptl.pptl[iPart][0], cptl.pptl[iPart][1],cptl.pptl[iPart][2],cptl.pptl[iPart][3], | |
166 | cptl.xorptl[iPart][0]*1.e-12, cptl.xorptl[iPart][1]*1.e-12, cptl.xorptl[iPart][2]*1.e-12, cptl.xorptl[iPart][3]*1e-12); | |
167 | p->SetUniqueID(iPart); | |
168 | fParticles->Add(p); | |
169 | } | |
170 | ||
171 | return fParticles; | |
172 | } | |
173 | ||
174 | void TEpos::AddNoDecay(Int_t nodecay) { | |
175 | fNoDecays.push_back(nodecay); | |
176 | } | |
177 | ||
178 | void TEpos::AddExtraInputLine(const char *line) { | |
179 | fExtraInputLines.push_back(line); | |
180 | } | |
181 | ||
182 | void TEpos::GenerateInputFile() { | |
9033ee49 | 183 | // Generate input file in EPOS format |
9ef1c2d9 | 184 | ofstream file(GetInputFileName(), ios_base::out | ios_base::trunc); |
185 | char epo[256]; | |
60ed90b3 | 186 | char *epoEnv = getenv("EPO"); |
187 | if (epoEnv) { | |
188 | strcpy(epo, epoEnv); | |
189 | } else { | |
190 | strcpy(epo, getenv("ALICE_ROOT")); | |
191 | } | |
9ef1c2d9 | 192 | strcat(epo, "/EPOS/epos167"); |
193 | ||
194 | file << "fname pathnx " << epo << "/" << endl; | |
195 | file << "fname histo none" << endl; | |
196 | file << "fname copy none" << endl; | |
197 | file << "fname log none" << endl; | |
198 | file << "fname check none" << endl; | |
879c2333 | 199 | // file << "fname data /tmp/epos.out" << endl; |
9ef1c2d9 | 200 | file << "fname initl " << epo << "/epos.initl" << endl; |
201 | file << "fname inidi " << epo << "/epos.inidi" << endl; | |
202 | file << "fname inidr " << epo << "/epos.inidr" << endl; | |
203 | file << "fname iniev " << epo << "/epos.iniev" << endl; | |
204 | file << "fname inirj " << epo << "/epos.inirj" << endl; | |
205 | file << "fname inics " << epo << "/epos.inics" << endl; | |
206 | file << "fname inigrv " << epo << "/epos.inigrv" << endl; | |
207 | file << "fqgsjet dat " << epo << "/qgsjet/qgsjet.dat" << endl; | |
208 | file << "fqgsjet ncs " << epo << "/qgsjet/qgsjet.ncs" << endl; | |
209 | file << "fqgsjetII dat " << epo << "/qgsjetII/qgsdat-II-03" << endl; | |
210 | file << "fqgsjetII ncs " << epo << "/qgsjetII/sectnu-II-03" << endl; | |
211 | file << "nodecay 120" << endl; | |
212 | file << "nodecay -120" << endl; | |
213 | file << "nodecay 130" << endl; | |
214 | file << "nodecay -130" << endl; | |
215 | file << "nodecay -20" << endl; | |
216 | file << "nodecay 20" << endl; | |
217 | file << "nodecay 14" << endl; | |
218 | file << "nodecay -14" << endl; | |
219 | file << "set ndecay 1111110" << endl; | |
220 | file << "echo on" << endl; | |
221 | ||
222 | // .optns file | |
60ed90b3 | 223 | int precision = file.precision(); |
224 | file.precision(15); | |
225 | file << "set seedj " << (gRandom->Rndm() * 1e14) << endl; | |
226 | file.precision(precision); | |
9ef1c2d9 | 227 | file << "application hadron" << endl; |
228 | file << "set laproj " << fLaproj << endl; | |
229 | file << "set maproj " << fMaproj << endl; | |
230 | file << "set latarg " << fLatarg << endl; | |
231 | file << "set matarg " << fMatarg << endl; | |
232 | file << "set bminim " << fBminim << endl; | |
233 | file << "set bmaxim " << fBmaxim << endl; | |
234 | file << "set phimin " << fPhimin << endl; | |
235 | file << "set phimax " << fPhimax << endl; | |
236 | file << "set ecms " << fEcms << endl; | |
237 | ||
238 | for(unsigned int i = 0; i < fNoDecays.size(); ++i) { | |
239 | file << "nodecay " << fNoDecays[i] << endl; | |
240 | } | |
241 | ||
242 | file << "switch splitting " << (fSplitting ? "on" : "off") << endl; | |
243 | ||
244 | file << "frame nucleon-nucleon" << endl; | |
245 | ||
246 | for(unsigned int i = 0; i < fExtraInputLines.size(); ++i) { | |
247 | file << fExtraInputLines[i] << endl; | |
248 | } | |
249 | ||
879c2333 | 250 | // file << "output epos" << endl; |
251 | // file << "record event nevt nptl b endrecord" << endl; | |
252 | // file << "record particle i id fa mo c1 c2 st endrecord" << endl; | |
9ef1c2d9 | 253 | |
254 | file << "input " << epo << "/epos.param" << endl; | |
255 | file << "runprogram" << endl; | |
256 | file.close(); | |
257 | } | |
258 | ||
1cf08247 | 259 | Float_t TEpos::GetBimevt() const { return cevt.bimevt; } |
260 | Float_t TEpos::GetPhievt() const { return cevt.phievt; } | |
261 | Int_t TEpos::GetKolevt() const { return cevt.kolevt; } | |
262 | Int_t TEpos::GetKoievt() const { return cevt.koievt; } | |
263 | Float_t TEpos::GetPmxevt() const { return cevt.pmxevt; } | |
264 | Float_t TEpos::GetEgyevt() const { return cevt.egyevt; } | |
265 | Int_t TEpos::GetNpjevt() const { return cevt.npjevt; } | |
266 | Int_t TEpos::GetNtgevt() const { return cevt.ntgevt; } | |
267 | Int_t TEpos::GetNpnevt() const { return cevt.npnevt; } | |
268 | Int_t TEpos::GetNppevt() const { return cevt.nppevt; } | |
269 | Int_t TEpos::GetNtnevt() const { return cevt.ntnevt; } | |
270 | Int_t TEpos::GetNtpevt() const { return cevt.ntpevt; } | |
271 | Int_t TEpos::GetJpnevt() const { return cevt.jpnevt; } | |
272 | Int_t TEpos::GetJppevt() const { return cevt.jppevt; } | |
273 | Int_t TEpos::GetJtnevt() const { return cevt.jtnevt; } | |
274 | Int_t TEpos::GetJtpevt() const { return cevt.jtpevt; } | |
275 | Float_t TEpos::GetXbjevt() const { return cevt.xbjevt; } | |
276 | Float_t TEpos::GetQsqevt() const { return cevt.qsqevt; } | |
277 | Int_t TEpos::GetNglevt() const { return cevt.nglevt; } | |
278 | Float_t TEpos::GetZppevt() const { return cevt.zppevt; } | |
279 | Float_t TEpos::GetZptevt() const { return cevt.zptevt; } | |
9ef1c2d9 | 280 |