2 // Configuration for the first physics production 2008
\r
5 // One can use the configuration macro in compiled mode by
\r
6 // root [0] gSystem->Load("libgeant321");
\r
7 // root [0] gSystem->SetIncludePath("-I$ROOTSYS/include -I$ALICE_ROOT/include\
\r
8 // -I$ALICE_ROOT -I$ALICE/geant3/TGeant3");
\r
9 // root [0] .x grun.C(1,"Config.C++")
\r
11 #if !defined(__CINT__) || defined(__MAKECINT__)
\r
12 #include <Riostream.h>
\r
13 #include <TRandom.h>
\r
14 #include <TDatime.h>
\r
15 #include <TSystem.h>
\r
16 #include <TVirtualMC.h>
\r
17 #include <TGeant3TGeo.h>
\r
18 #include "STEER/AliRunLoader.h"
\r
19 #include "STEER/AliRun.h"
\r
20 #include "STEER/AliConfig.h"
\r
21 #include "PYTHIA6/AliDecayerPythia.h"
\r
22 #include "PYTHIA6/AliGenPythia.h"
\r
23 #include "TDPMjet/AliGenDPMjet.h"
\r
24 #include "STEER/AliMagFCheb.h"
\r
25 #include "STRUCT/AliBODY.h"
\r
26 #include "STRUCT/AliMAG.h"
\r
27 #include "STRUCT/AliABSOv3.h"
\r
28 #include "STRUCT/AliDIPOv3.h"
\r
29 #include "STRUCT/AliHALLv3.h"
\r
30 #include "STRUCT/AliFRAMEv2.h"
\r
31 #include "STRUCT/AliSHILv3.h"
\r
32 #include "STRUCT/AliPIPEv3.h"
\r
33 #include "ITS/AliITSv11Hybrid.h"
\r
34 #include "TPC/AliTPCv2.h"
\r
35 #include "TOF/AliTOFv6T0.h"
\r
36 #include "HMPID/AliHMPIDv3.h"
\r
37 #include "ZDC/AliZDCv3.h"
\r
38 #include "TRD/AliTRDv1.h"
\r
39 #include "TRD/AliTRDgeometry.h"
\r
40 #include "FMD/AliFMDv1.h"
\r
41 #include "MUON/AliMUONv1.h"
\r
42 #include "PHOS/AliPHOSv1.h"
\r
43 #include "PHOS/AliPHOSSimParam.h"
\r
44 #include "PMD/AliPMDv1.h"
\r
45 #include "T0/AliT0v1.h"
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46 #include "EMCAL/AliEMCALv2.h"
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47 #include "ACORDE/AliACORDEv1.h"
\r
48 #include "VZERO/AliVZEROv7.h"
\r
54 kPythia6, kPhojet, kRunMax
\r
57 const char * pprRunName[] = {
\r
58 "kPythia6", "kPhojet"
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63 kNoField, k5kG, kFieldMax
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66 const char * pprField[] = {
\r
72 AliGenerator *MbPythia();
\r
73 AliGenerator *MbPhojet();
\r
74 void ProcessEnvironmentVars();
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76 // Geterator, field, beam energy
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77 static PDC06Proc_t proc = kPythia6;
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78 static Mag_t mag = k5kG;
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79 static Float_t energy = 900; // energy in CMS
\r
80 //========================//
\r
81 // Set Random Number seed //
\r
82 //========================//
\r
84 static UInt_t seed = dt.Get();
\r
87 static TString comment;
\r
93 // Get settings from environment variables
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94 ProcessEnvironmentVars();
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96 gRandom->SetSeed(seed);
\r
97 cerr<<"Seed for random number generation= "<<seed<<endl;
\r
99 // Libraries required by geant321
\r
100 #if defined(__CINT__)
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101 gSystem->Load("liblhapdf"); // Parton density functions
\r
102 gSystem->Load("libEGPythia6"); // TGenerator interface
\r
103 gSystem->Load("libpythia6"); // Pythia
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104 gSystem->Load("libAliPythia6"); // ALICE specific implementations
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105 gSystem->Load("libgeant321");
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108 new TGeant3TGeo("C++ Interface to Geant3");
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110 //=======================================================================
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111 // Create the output file
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114 AliRunLoader* rl=0x0;
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116 cout<<"Config.C: Creating Run Loader ..."<<endl;
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117 rl = AliRunLoader::Open("galice.root",
\r
118 AliConfig::GetDefaultEventFolderName(),
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122 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
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125 rl->SetCompressionLevel(2);
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126 rl->SetNumberOfEventsPerFile(1000);
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127 gAlice->SetRunLoader(rl);
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128 // gAlice->SetGeometryFromFile("geometry.root");
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129 // gAlice->SetGeometryFromCDB();
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131 // Set the trigger configuration: proton-proton
\r
132 gAlice->SetTriggerDescriptor("p-p");
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135 //=======================================================================
\r
136 // ************* STEERING parameters FOR ALICE SIMULATION **************
\r
137 // --- Specify event type to be tracked through the ALICE setup
\r
138 // --- All positions are in cm, angles in degrees, and P and E in GeV
\r
141 gMC->SetProcess("DCAY",1);
\r
142 gMC->SetProcess("PAIR",1);
\r
143 gMC->SetProcess("COMP",1);
\r
144 gMC->SetProcess("PHOT",1);
\r
145 gMC->SetProcess("PFIS",0);
\r
146 gMC->SetProcess("DRAY",0);
\r
147 gMC->SetProcess("ANNI",1);
\r
148 gMC->SetProcess("BREM",1);
\r
149 gMC->SetProcess("MUNU",1);
\r
150 gMC->SetProcess("CKOV",1);
\r
151 gMC->SetProcess("HADR",1);
\r
152 gMC->SetProcess("LOSS",2);
\r
153 gMC->SetProcess("MULS",1);
\r
154 gMC->SetProcess("RAYL",1);
\r
156 Float_t cut = 1.e-3; // 1MeV cut by default
\r
157 Float_t tofmax = 1.e10;
\r
159 gMC->SetCut("CUTGAM", cut);
\r
160 gMC->SetCut("CUTELE", cut);
\r
161 gMC->SetCut("CUTNEU", cut);
\r
162 gMC->SetCut("CUTHAD", cut);
\r
163 gMC->SetCut("CUTMUO", cut);
\r
164 gMC->SetCut("BCUTE", cut);
\r
165 gMC->SetCut("BCUTM", cut);
\r
166 gMC->SetCut("DCUTE", cut);
\r
167 gMC->SetCut("DCUTM", cut);
\r
168 gMC->SetCut("PPCUTM", cut);
\r
169 gMC->SetCut("TOFMAX", tofmax);
\r
174 //======================//
\r
175 // Set External decayer //
\r
176 //======================//
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177 TVirtualMCDecayer* decayer = new AliDecayerPythia();
\r
178 decayer->SetForceDecay(kAll);
\r
180 gMC->SetExternalDecayer(decayer);
\r
182 //=========================//
\r
183 // Generator Configuration //
\r
184 //=========================//
\r
185 AliGenerator* gener = 0x0;
\r
187 if (proc == kPythia6) {
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188 gener = MbPythia();
\r
189 } else if (proc == kPhojet) {
\r
190 gener = MbPhojet();
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197 gener->SetOrigin(0., 0., 0.); // vertex position
\r
200 // Size of the interaction diamond
\r
202 Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm]
\r
204 sigmaz = 10.5 / TMath::Sqrt(2.); // [cm]
\r
205 if (energy == 7000)
\r
206 sigmaz = 6.3 / TMath::Sqrt(2.); // [cm]
\r
209 Float_t betast = 10; // beta* [m]
\r
210 Float_t eps = 3.75e-6; // emittance [m]
\r
211 Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1]
\r
212 Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
\r
213 printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
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215 gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
\r
216 gener->SetCutVertexZ(3.); // Truncate at 3 sigma
\r
217 gener->SetVertexSmear(kPerEvent);
\r
223 AliMagF* field = 0x0;
\r
224 if (mag == kNoField) {
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225 comment = comment.Append(" | L3 field 0.0 T");
\r
226 field = new AliMagF("Maps","Maps", 0., 0., AliMagF::k2kG,AliMagF::kBeamTypepp, energy/2.0);
\r
227 } else if (mag == k5kG) {
\r
228 comment = comment.Append(" | L3 field 0.5 T");
\r
229 field = new AliMagF("Maps","Maps", 1., 1., AliMagF::k5kG,AliMagF::kBeamTypepp, energy/2.0);
\r
231 printf("\n \n Comment: %s \n \n", comment.Data());
\r
233 TGeoGlobalMagField::Instance()->SetField(field);
\r
260 //=================== Alice BODY parameters =============================
\r
261 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
\r
266 //=================== MAG parameters ============================
\r
267 // --- Start with Magnet since detector layouts may be depending ---
\r
268 // --- on the selected Magnet dimensions ---
\r
269 AliMAG *MAG = new AliMAG("MAG", "Magnet");
\r
275 //=================== ABSO parameters ============================
\r
276 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
\r
281 //=================== DIPO parameters ============================
\r
283 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
\r
288 //=================== HALL parameters ============================
\r
290 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
\r
296 //=================== FRAME parameters ============================
\r
298 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
\r
299 FRAME->SetHoles(1);
\r
304 //=================== SHIL parameters ============================
\r
306 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
\r
312 //=================== PIPE parameters ============================
\r
314 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
\r
319 //=================== ITS parameters ============================
\r
321 AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid");
\r
326 //============================ TPC parameters =====================
\r
328 AliTPC *TPC = new AliTPCv2("TPC", "Default");
\r
333 //=================== TOF parameters ============================
\r
335 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
\r
341 //=================== HMPID parameters ===========================
\r
343 AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");
\r
350 //=================== ZDC parameters ============================
\r
352 AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
\r
357 //=================== TRD parameters ============================
\r
359 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
\r
360 AliTRDgeometry *geoTRD = TRD->GetGeometry();
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361 // Partial geometry: modules at 0,1,7,8,9,16,17
\r
362 // starting at 3h in positive direction
\r
363 geoTRD->SetSMstatus(2,0);
\r
364 geoTRD->SetSMstatus(3,0);
\r
365 geoTRD->SetSMstatus(4,0);
\r
366 geoTRD->SetSMstatus(5,0);
\r
367 geoTRD->SetSMstatus(6,0);
\r
368 geoTRD->SetSMstatus(10,0);
\r
369 geoTRD->SetSMstatus(11,0);
\r
370 geoTRD->SetSMstatus(12,0);
\r
371 geoTRD->SetSMstatus(13,0);
\r
372 geoTRD->SetSMstatus(14,0);
\r
373 geoTRD->SetSMstatus(15,0);
\r
378 //=================== FMD parameters ============================
\r
380 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
\r
385 //=================== MUON parameters ===========================
\r
386 // New MUONv1 version (geometry defined via builders)
\r
388 AliMUON *MUON = new AliMUONv1("MUON", "default");
\r
393 //=================== PHOS parameters ===========================
\r
395 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
\r
396 //Set simulation parameters different from the default ones.
\r
397 AliPHOSSimParam* simEmc = AliPHOSSimParam::GetInstance() ;
\r
399 // APD noise of warm (+20C) PHOS:
\r
400 // a2 = a1*(Y1/Y2)*(M1/M2), where a1 = 0.012 is APD noise at -25C,
\r
401 // Y1 = 4.3 photo-electrons/MeV, Y2 = 1.7 p.e/MeV - light yields at -25C and +20C,
\r
402 // M1 = 50, M2 = 50 - APD gain factors chosen for t1 = -25C and t2 = +20C,
\r
403 // Y = MeanLightYield*APDEfficiency.
\r
405 Float_t apdNoise = 0.012*2.5;
\r
406 simEmc->SetAPDNoise(apdNoise);
\r
408 //Raw Light Yield at +20C
\r
409 simEmc->SetMeanLightYield(18800);
\r
411 //ADC channel width at +18C.
\r
412 simEmc->SetADCchannelW(0.0125);
\r
418 //=================== PMD parameters ============================
\r
420 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
\r
425 //=================== T0 parameters ============================
\r
426 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
\r
431 //=================== EMCAL parameters ============================
\r
433 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE");
\r
438 //=================== ACORDE parameters ============================
\r
440 AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
\r
445 //=================== ACORDE parameters ============================
\r
447 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
\r
454 AliGenerator* MbPythia()
\r
456 comment = comment.Append(Form(" pp at %d GeV: Pythia low-pt", (Int_t) energy));
\r
459 AliGenPythia* pythia = new AliGenPythia(-1);
\r
460 pythia->SetMomentumRange(0, 999999.);
\r
461 pythia->SetThetaRange(0., 180.);
\r
462 pythia->SetYRange(-12.,12.);
\r
463 pythia->SetPtRange(0,1000.);
\r
464 pythia->SetProcess(kPyMb);
\r
465 pythia->SetEnergyCMS(energy);
\r
467 // set high multiplicity trigger
\r
469 // this weight achieves a flat multiplicity distribution
\r
470 TH1 *weight = new TH1D("weight","weight",201,-0.5,200.5);
\r
471 weight->SetBinContent(1,5.557943);
\r
472 weight->SetBinContent(2,8.987494);
\r
473 weight->SetBinContent(5,0.2770979);
\r
474 weight->SetBinContent(6,0.1434399);
\r
475 weight->SetBinContent(7,0.8892316);
\r
476 weight->SetBinContent(8,0.6610603);
\r
477 weight->SetBinContent(9,0.5973895);
\r
478 weight->SetBinContent(10,1.57095);
\r
479 weight->SetBinContent(11,0.8407031);
\r
480 weight->SetBinContent(12,1.676689);
\r
481 weight->SetBinContent(13,1.381264);
\r
482 weight->SetBinContent(14,1.209133);
\r
483 weight->SetBinContent(15,1.326467);
\r
484 weight->SetBinContent(16,1.248326);
\r
485 weight->SetBinContent(17,1.396646);
\r
486 weight->SetBinContent(18,0.7155231);
\r
487 weight->SetBinContent(19,0.262448);
\r
488 weight->SetBinContent(20,1.804454);
\r
489 weight->SetBinContent(21,0.5723247);
\r
490 weight->SetBinContent(22,1.279835);
\r
491 weight->SetBinContent(23,0.285018);
\r
492 weight->SetBinContent(24,1.239206);
\r
493 weight->SetBinContent(25,0.628233);
\r
494 weight->SetBinContent(26,1.91724);
\r
495 weight->SetBinContent(28,1.130583);
\r
496 weight->SetBinContent(29,0.9052101);
\r
497 weight->SetBinContent(31,0.4293885);
\r
498 weight->SetBinContent(32,1);
\r
499 weight->SetBinContent(33,0.9999998);
\r
500 weight->SetBinContent(34,0.9999998);
\r
501 weight->SetBinContent(35,0.9999999);
\r
502 weight->SetBinContent(36,1);
\r
503 weight->SetBinContent(37,1);
\r
504 weight->SetBinContent(38,1);
\r
505 weight->SetBinContent(39,0.9999999);
\r
506 weight->SetBinContent(40,0.9999998);
\r
507 weight->SetBinContent(41,0.9999998);
\r
508 weight->SetBinContent(42,0.9999998);
\r
509 weight->SetBinContent(43,0.9999999);
\r
510 weight->SetBinContent(44,0.9999999);
\r
511 weight->SetBinContent(45,0.9999997);
\r
512 weight->SetBinContent(46,0.9999997);
\r
513 weight->SetBinContent(47,0.9999997);
\r
514 weight->SetBinContent(48,0.9999997);
\r
515 weight->SetBinContent(49,0.9999993);
\r
516 weight->SetBinContent(50,0.9999997);
\r
517 weight->SetBinContent(51,0.9999997);
\r
518 weight->SetBinContent(52,0.9999996);
\r
519 weight->SetBinContent(53,0.9999995);
\r
520 weight->SetBinContent(54,1);
\r
521 weight->SetBinContent(55,1);
\r
522 weight->SetBinContent(56,1);
\r
523 weight->SetBinContent(57,0.9999999);
\r
524 weight->SetBinContent(58,0.9999997);
\r
525 weight->SetBinContent(59,1);
\r
526 weight->SetBinContent(60,1);
\r
527 weight->SetBinContent(61,1);
\r
528 weight->SetBinContent(62,1);
\r
529 weight->SetBinContent(63,0.9999999);
\r
530 weight->SetBinContent(64,0.9999999);
\r
531 weight->SetBinContent(65,0.9999998);
\r
532 weight->SetBinContent(66,0.9999997);
\r
533 weight->SetBinContent(67,0.9999999);
\r
534 weight->SetBinContent(68,0.9999997);
\r
535 weight->SetBinContent(69,0.9999997);
\r
536 weight->SetBinContent(70,0.9999997);
\r
537 weight->SetBinContent(71,0.9999995);
\r
538 weight->SetBinContent(72,0.9999997);
\r
539 weight->SetBinContent(73,0.9999997);
\r
540 weight->SetBinContent(74,0.9999997);
\r
541 weight->SetBinContent(75,0.9999997);
\r
542 weight->SetBinContent(76,0.9999997);
\r
543 weight->SetBinContent(77,0.9999998);
\r
544 weight->SetBinContent(78,0.9999998);
\r
545 weight->SetBinContent(79,0.9999997);
\r
546 weight->SetBinContent(80,0.9999998);
\r
547 weight->SetBinContent(81,0.9999999);
\r
548 weight->SetBinContent(82,0.9999999);
\r
549 weight->SetBinContent(83,0.9999999);
\r
550 weight->SetBinContent(84,0.9999998);
\r
551 weight->SetBinContent(85,0.9999996);
\r
552 weight->SetBinContent(86,0.9999998);
\r
553 weight->SetBinContent(87,0.9999998);
\r
554 weight->SetBinContent(88,0.9999999);
\r
555 weight->SetBinContent(89,0.9999997);
\r
556 weight->SetBinContent(90,0.9999997);
\r
557 weight->SetBinContent(91,0.9999997);
\r
558 weight->SetBinContent(92,0.9999996);
\r
559 weight->SetBinContent(93,0.9999996);
\r
560 weight->SetBinContent(94,0.9999995);
\r
561 weight->SetBinContent(95,0.9999999);
\r
562 weight->SetBinContent(96,0.9999999);
\r
563 weight->SetBinContent(97,0.9999998);
\r
564 weight->SetBinContent(98,0.9999998);
\r
565 weight->SetBinContent(99,0.9999998);
\r
566 weight->SetBinContent(100,0.9999998);
\r
567 weight->SetEntries(507);
\r
569 Int_t limit = weight->GetRandom();
\r
570 pythia->SetTriggerChargedMultiplicity(limit, 1.4);
\r
572 comment = comment.Append(Form(" multiplicity threshold set to %d in |eta| < 1.4", limit));
\r
577 AliGenerator* MbPhojet()
\r
579 comment = comment.Append(" pp at 14 TeV: Phojet low-pt");
\r
582 #if defined(__CINT__)
\r
583 gSystem->Load("libdpmjet"); // Parton density functions
\r
584 gSystem->Load("libTDPMjet"); // Parton density functions
\r
586 AliGenDPMjet* dpmjet = new AliGenDPMjet(-1);
\r
587 dpmjet->SetMomentumRange(0, 999999.);
\r
588 dpmjet->SetThetaRange(0., 180.);
\r
589 dpmjet->SetYRange(-12.,12.);
\r
590 dpmjet->SetPtRange(0,1000.);
\r
591 dpmjet->SetProcess(kDpmMb);
\r
592 dpmjet->SetEnergyCMS(energy);
\r
597 void ProcessEnvironmentVars()
\r
600 if (gSystem->Getenv("CONFIG_RUN_TYPE")) {
\r
601 for (Int_t iRun = 0; iRun < kRunMax; iRun++) {
\r
602 if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) {
\r
603 proc = (PDC06Proc_t)iRun;
\r
604 cout<<"Run type set to "<<pprRunName[iRun]<<endl;
\r
610 if (gSystem->Getenv("CONFIG_FIELD")) {
\r
611 for (Int_t iField = 0; iField < kFieldMax; iField++) {
\r
612 if (strcmp(gSystem->Getenv("CONFIG_FIELD"), pprField[iField])==0) {
\r
613 mag = (Mag_t)iField;
\r
614 cout<<"Field set to "<<pprField[iField]<<endl;
\r
620 if (gSystem->Getenv("CONFIG_ENERGY")) {
\r
621 energy = atoi(gSystem->Getenv("CONFIG_ENERGY"));
\r
622 cout<<"Energy set to "<<energy<<" GeV"<<endl;
\r
625 // Random Number seed
\r
626 if (gSystem->Getenv("CONFIG_SEED")) {
\r
627 seed = atoi(gSystem->Getenv("CONFIG_SEED"));
\r