Coverity fixes.
[u/mrichter/AliRoot.git] / EPOS / TEpos.cxx
CommitLineData
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
34using namespace std;
35
36ClassImp(TEpos)
37
38TEpos::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 56TEpos::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
74TEpos::~TEpos() {
75 delete fIdConverter;
76}
77
78TEpos& TEpos::operator=(const TEpos&) {
9033ee49 79 //operator=
879c2333 80 if (!fIdConverter) {
81 fIdConverter = new AliGenEposIsajetToPdgConverter();
82 }
83 return *this;
84}
9ef1c2d9 85
86void 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
113void TEpos::GenerateEvent() {
f1d31e44 114// cseed.seedj = gRandom->Rndm() * 1e10;
9ef1c2d9 115 Int_t n = 1;
116 evgen(n);
117}
118
119Int_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
146TObjArray* 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
174void TEpos::AddNoDecay(Int_t nodecay) {
175 fNoDecays.push_back(nodecay);
176}
177
178void TEpos::AddExtraInputLine(const char *line) {
179 fExtraInputLines.push_back(line);
180}
181
182void 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) {
fb25cca1 188 strncpy(epo, 256, epoEnv);
60ed90b3 189 } else {
fb25cca1 190 strncpy(epo, 256, getenv("ALICE_ROOT"));
60ed90b3 191 }
fb25cca1 192 strncat(epo, 256, "/EPOS/epos167");
9ef1c2d9 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 259Float_t TEpos::GetBimevt() const { return cevt.bimevt; }
260Float_t TEpos::GetPhievt() const { return cevt.phievt; }
261Int_t TEpos::GetKolevt() const { return cevt.kolevt; }
262Int_t TEpos::GetKoievt() const { return cevt.koievt; }
263Float_t TEpos::GetPmxevt() const { return cevt.pmxevt; }
264Float_t TEpos::GetEgyevt() const { return cevt.egyevt; }
265Int_t TEpos::GetNpjevt() const { return cevt.npjevt; }
266Int_t TEpos::GetNtgevt() const { return cevt.ntgevt; }
267Int_t TEpos::GetNpnevt() const { return cevt.npnevt; }
268Int_t TEpos::GetNppevt() const { return cevt.nppevt; }
269Int_t TEpos::GetNtnevt() const { return cevt.ntnevt; }
270Int_t TEpos::GetNtpevt() const { return cevt.ntpevt; }
271Int_t TEpos::GetJpnevt() const { return cevt.jpnevt; }
272Int_t TEpos::GetJppevt() const { return cevt.jppevt; }
273Int_t TEpos::GetJtnevt() const { return cevt.jtnevt; }
274Int_t TEpos::GetJtpevt() const { return cevt.jtpevt; }
275Float_t TEpos::GetXbjevt() const { return cevt.xbjevt; }
276Float_t TEpos::GetQsqevt() const { return cevt.qsqevt; }
277Int_t TEpos::GetNglevt() const { return cevt.nglevt; }
278Float_t TEpos::GetZppevt() const { return cevt.zppevt; }
279Float_t TEpos::GetZptevt() const { return cevt.zptevt; }
9ef1c2d9 280