[u/mrichter/AliRoot.git] / TFluka / source_pbpb.cxx

#define METHODDEBUG

// Fortran 
#include "TCallf77.h"

// Fluka commons
#include "Fdblprc.h"  //(DBLPRC) fluka common
#include "Fdimpar.h"  //(DIMPAR) fluka parameters
#include "Fepisor.h"  //(EPISOR) fluka common
#include "Fstack.h"   //(STACK)  fluka common
#include "Fstars.h"   //(STARS)  fluka common
#include "Fbeam.h"    //(BEAM)   fluka common
#include "Fpaprop.h"  //(PAPROP) fluka common
#include "Fltclcm.h"  //(LTCLCM) fluka common
#include "Fpart.h"  
//#include "Fcaslim.h"  //(CASLIM) fluka common

//Virutal MC
#include "AliGenerator.h"
#include "AliStack.h"
#include "../THijing/AliGenHijing.h"

#include "TVirtualMCStack.h"
#include "TParticle.h"
#include "TVector3.h"
#include "TRandom.h"

//Other
#include <Riostream.h>

#ifndef WIN32
# define source source_
# define geocrs geocrs_
# define georeg georeg_
# define geohsm geohsm_
# define soevsv soevsv_
# define mcihad mcihad_
# define source_pbpb source_pbpb__
#else
# define source SOURCE
# define geocrs GEOCRS
# define georeg GEOREG
# define geohsm GEOHSM
# define soevsv SOEVSV
# define mcihad MCIHAD
# define source_pbpb SOURCE_PBPB
#endif

extern "C" {
  //
  // Prototypes for FLUKA functions
  //
  void type_of_call geocrs(Double_t &, Double_t &, Double_t &);
  void type_of_call georeg(Double_t &, Double_t &, Double_t &, 
			   Int_t &, Int_t &);
  void type_of_call geohsm(Int_t &, Int_t &, Int_t &, Int_t &);
  void type_of_call soevsv();
  int  type_of_call mcihad(const int&);
 /*
   *----------------------------------------------------------------------*
   *                                                                      *
   *     Created on 07 january 1990   by    Alfredo Ferrari & Paola Sala  *
   *                                                   Infn - Milan       *
   *                                                                      *
   *     Last change on 21-jun-98     by    Alfredo Ferrari               *
   *                                                                      *
   *     C++ version on 27-sep-02     by    Isidro Gonzalez               *
   *                                                                      *
   *  This is just an example of a possible user written source routine.  *
   *  note that the beam card still has some meaning - in the scoring the *
   *  maximum momentum used in deciding the binning is taken from the     *
   *  beam momentum.  Other beam card parameters are obsolete.            *
   *                                                                      *
   *----------------------------------------------------------------------*/

  void source_pbpb(Int_t& nomore) {

      static Bool_t lfirst       = true;
      static Int_t  part         = 0;
      static AliGenHijing* gener = 0;
      static AliStack* stack     = 0;	
      static Int_t npart;
      
      nomore = 0;
      TParticle* particle;
      Int_t itrack = -1;
      if (lfirst) {
	  EPISOR.tkesum = zerzer;
	  lfirst = false;
	  EPISOR.lussrc = true;
//
// The generator
//
	  gener  = new AliGenHijing(-1);
// beam energy 
	  gener->SetEnergyCMS(5500.);
// reference frame
	  gener->SetReferenceFrame("CMS");
// projectile
	  gener->SetProjectile("A", 208,  82);
	  gener->SetTarget    ("A", 208,  82);
	  gener->SetBoostLHC(0);
	  gener->SetImpactParameterRange(0., 0.1);
	  
// tell hijing to keep the full parent child chain
	  gener->KeepFullEvent();
// enable jet quenching
	  gener->SetJetQuenching(1);
// enable shadowing
	  gener->SetShadowing(1);
// neutral pion and heavy particle decays switched off
	  gener->SetDecaysOff(1);
// Don't track spectators
	  gener->SetSpectators(0);
// The particle stack
	  stack = new AliStack(1000);
	  gener->SetStack(stack);
	  gener->Init();
	  //
	  // Generate event
	  stack->Reset();
	  gener->Generate();
	  npart = stack->GetNprimary();
	  printf("source_pbpb generated %d particles \n", npart);
	  part = 0;
      } 
      if (part >= npart) {
	  nomore = 1;
	  return;
      }
	  
      // Vertex
      Float_t za   =  0.;
      // Direction
      Float_t dir  =  1.;
      Int_t ic = 1;
      
      while (ic != -1) {
	  particle = stack->Particle(part++);
	  ic = particle->GetFirstDaughter();
      }
      
      
      Int_t pdg = particle->GetPdgCode();
      Int_t intfluka = mcihad(pdg);
      Int_t ifl = GetFlukaKPTOIP(intfluka);
      TVector3 polarisation;
      particle->GetPolarisation(polarisation);
      
      STACK.lstack++;
      
//      printf("Particle %5d %5d %5d %10s %10.3f %10.3f %10.3f \n", part, pdg, ifl, 
//	     particle->GetName(), particle->Px(), particle->Py(), particle->Pz());
      
      
      
      /* Wt is the weight of the particle*/
      STACK.wt[STACK.lstack] = oneone;
      STARS.weipri += STACK.wt[STACK.lstack];
      
      STACK.ilo[STACK.lstack] = ifl;
      /* From this point .....
       * Particle generation (1 for primaries)
       */
      STACK.lo[STACK.lstack] = 1;
      
      /* User dependent flag:*/
      STACK.louse[STACK.lstack] = 0;
      
      /* User dependent spare variables:*/
      Int_t ispr = 0;
      for (ispr = 0; ispr < mkbmx1; ispr++)
	  STACK.sparek[STACK.lstack][ispr] = zerzer;
      
      /* User dependent spare flags:*/
      for (ispr = 0; ispr < mkbmx2; ispr++)
	  STACK.ispark[STACK.lstack][ispr] = 0;
      
      /* Save the track number of the stack particle:*/
      STACK.ispark[STACK.lstack][mkbmx2-1] = itrack;
      STACK.nparma++;
      STACK.numpar[STACK.lstack] = STACK.nparma;
      STACK.nevent[STACK.lstack] = 0;
      STACK.dfnear[STACK.lstack] = +zerzer;
      
      /* Particle age (s)*/
      STACK.agestk[STACK.lstack] = +zerzer;
      STACK.aknshr[STACK.lstack] = -twotwo;
      
      /* Group number for "low" energy neutrons, set to 0 anyway*/
      STACK.igroup[STACK.lstack] = 0;
      
      /* Kinetic energy */
      STACK.tke[STACK.lstack] = particle->Energy() - particle->GetMass();
      
      
      /* Particle momentum*/
      STACK.pmom [STACK.lstack] = particle->P();
      
      /* Cosines (tx,ty,tz)*/
      Double_t cosx = particle->Px()/particle->P();
      Double_t cosy = particle->Py()/particle->P();
      Double_t cosz = TMath::Sqrt(oneone - cosx*cosx - cosy*cosy);
      if (particle->Pz() < 0.)   cosz = -cosz;
      cosz *= dir;
      
      STACK.tx [STACK.lstack] = cosx;
      STACK.ty [STACK.lstack] = cosy;
      STACK.tz [STACK.lstack] = cosz;
      
      /* Polarization cosines:*/
      if (polarisation.Mag()) {
	  Double_t cospolx = polarisation.Px()/polarisation.Mag();
	  Double_t cospoly = polarisation.Py()/polarisation.Mag();
	  Double_t cospolz = sqrt(oneone - cospolx*cospolx - cospoly*cospoly);
	  STACK.tx [STACK.lstack] = cospolx;
	  STACK.ty [STACK.lstack] = cospoly;
	  STACK.tz [STACK.lstack] = cospolz;
      }
      else {
	  STACK.txpol [STACK.lstack] = -twotwo;
	  STACK.typol [STACK.lstack] = +zerzer;
	  STACK.tzpol [STACK.lstack] = +zerzer;
      }
      
      /* Particle coordinates*/
      STACK.xa [STACK.lstack] = particle->Vx();
      STACK.ya [STACK.lstack] = particle->Vy();
      STACK.za [STACK.lstack] = za;
      
//      printf("Particle Vertex %10.3f %10.3f %10.3f %10.3f \n",  
//	     STACK.xa [STACK.lstack],  STACK.ya [STACK.lstack],  STACK.za [STACK.lstack], dir);
      
      
      
      /*  Calculate the total kinetic energy of the primaries: don't change*/
      Int_t st_ilo =  STACK.ilo[STACK.lstack];
      if ( st_ilo != 0 )
	  EPISOR.tkesum += 
	      ((STACK.tke[STACK.lstack] + PAPROP.amdisc[st_ilo+6])
	       * STACK.wt[STACK.lstack]);
      else
	  EPISOR.tkesum += (STACK.tke[STACK.lstack] * STACK.wt[STACK.lstack]);
      
      /*  Here we ask for the region number of the hitting point.
       *     NREG (LSTACK) = ...
       *  The following line makes the starting region search much more
       *  robust if particles are starting very close to a boundary:
       */
      geocrs( STACK.tx[STACK.lstack], 
	      STACK.ty[STACK.lstack], 
	      STACK.tz[STACK.lstack] );
      
      Int_t idisc;
      
      georeg ( STACK.xa[STACK.lstack], 
	       STACK.ya[STACK.lstack], 
	       STACK.za[STACK.lstack],
	       STACK.nreg[STACK.lstack], 
	       idisc);//<-- dummy return variable not used
      /*  Do not change these cards:*/
      Int_t igeohsm1 = 1;
      Int_t igeohsm2 = -11;
      geohsm ( STACK.nhspnt[STACK.lstack], igeohsm1, igeohsm2, LTCLCM.mlattc );
      STACK.nlattc[STACK.lstack] = LTCLCM.mlattc;
      soevsv();
  }
}
Commit	Line	Data
d10d0e42	1	#define METHODDEBUG
	2
	3	// Fortran
	4	#include "TCallf77.h"
	5
	6	// Fluka commons
	7	#include "Fdblprc.h" //(DBLPRC) fluka common
	8	#include "Fdimpar.h" //(DIMPAR) fluka parameters
	9	#include "Fepisor.h" //(EPISOR) fluka common
	10	#include "Fstack.h" //(STACK) fluka common
	11	#include "Fstars.h" //(STARS) fluka common
	12	#include "Fbeam.h" //(BEAM) fluka common
	13	#include "Fpaprop.h" //(PAPROP) fluka common
	14	#include "Fltclcm.h" //(LTCLCM) fluka common
	15	#include "Fpart.h"
	16	//#include "Fcaslim.h" //(CASLIM) fluka common
	17
	18	//Virutal MC
	19	#include "AliGenerator.h"
	20	#include "AliStack.h"
	21	#include "../THijing/AliGenHijing.h"
	22
	23	#include "TVirtualMCStack.h"
	24	#include "TParticle.h"
	25	#include "TVector3.h"
	26	#include "TRandom.h"
	27
	28	//Other
	29	#include <Riostream.h>
	30
	31	#ifndef WIN32
	32	# define source source_
	33	# define geocrs geocrs_
	34	# define georeg georeg_
	35	# define geohsm geohsm_
	36	# define soevsv soevsv_
	37	# define mcihad mcihad_
	38	# define source_pbpb source_pbpb__
	39	#else
	40	# define source SOURCE
	41	# define geocrs GEOCRS
	42	# define georeg GEOREG
	43	# define geohsm GEOHSM
	44	# define soevsv SOEVSV
	45	# define mcihad MCIHAD
	46	# define source_pbpb SOURCE_PBPB
	47	#endif
	48
	49	extern "C" {
	50	//
	51	// Prototypes for FLUKA functions
	52	//
	53	void type_of_call geocrs(Double_t &, Double_t &, Double_t &);
	54	void type_of_call georeg(Double_t &, Double_t &, Double_t &,
	55	Int_t &, Int_t &);
	56	void type_of_call geohsm(Int_t &, Int_t &, Int_t &, Int_t &);
	57	void type_of_call soevsv();
	58	int type_of_call mcihad(const int&);
	59	/*
	60	----------------------------------------------------------------------
	61	* *
	62	* Created on 07 january 1990 by Alfredo Ferrari & Paola Sala *
	63	* Infn - Milan *
	64	* *
65	* Last change on 21-jun-98 by Alfredo Ferrari *
66	* *
67	* C++ version on 27-sep-02 by Isidro Gonzalez *
68	* *
69	* This is just an example of a possible user written source routine. *
70	* note that the beam card still has some meaning - in the scoring the *
71	* maximum momentum used in deciding the binning is taken from the *
72	* beam momentum. Other beam card parameters are obsolete. *
73	* *
74	----------------------------------------------------------------------/
75
76	void source_pbpb(Int_t& nomore) {
77
78	static Bool_t lfirst = true;
79	static Int_t part = 0;
80	static AliGenHijing* gener = 0;
81	static AliStack* stack = 0;
82	static Int_t npart;
83
84	nomore = 0;
85	TParticle* particle;
86	Int_t itrack = -1;
87	if (lfirst) {
88	EPISOR.tkesum = zerzer;
89	lfirst = false;
90	EPISOR.lussrc = true;
91	//
92	// The generator
93	//
94	gener = new AliGenHijing(-1);
95	// beam energy
96	gener->SetEnergyCMS(5500.);
97	// reference frame
98	gener->SetReferenceFrame("CMS");
99	// projectile
100	gener->SetProjectile("A", 208, 82);
101	gener->SetTarget ("A", 208, 82);
102	gener->SetBoostLHC(0);
103	gener->SetImpactParameterRange(0., 0.1);
104
105	// tell hijing to keep the full parent child chain
106	gener->KeepFullEvent();
107	// enable jet quenching
108	gener->SetJetQuenching(1);
109	// enable shadowing
110	gener->SetShadowing(1);
111	// neutral pion and heavy particle decays switched off
112	gener->SetDecaysOff(1);
113	// Don't track spectators
114	gener->SetSpectators(0);
115	// The particle stack
116	stack = new AliStack(1000);
117	gener->SetStack(stack);
118	gener->Init();
119	//
120	// Generate event
121	stack->Reset();
122	gener->Generate();
123	npart = stack->GetNprimary();
124	printf("source_pbpb generated %d particles \n", npart);
125	part = 0;
126	}
127	if (part >= npart) {
128	nomore = 1;
129	return;
130	}
131
132	// Vertex
133	Float_t za = 0.;
134	// Direction
135	Float_t dir = 1.;
136	Int_t ic = 1;
137
138	while (ic != -1) {
139	particle = stack->Particle(part++);
140	ic = particle->GetFirstDaughter();
141	}
142
143
144	Int_t pdg = particle->GetPdgCode();
145	Int_t intfluka = mcihad(pdg);
146	Int_t ifl = GetFlukaKPTOIP(intfluka);
147	TVector3 polarisation;
148	particle->GetPolarisation(polarisation);
149
150	STACK.lstack++;
151
152	// printf("Particle %5d %5d %5d %10s %10.3f %10.3f %10.3f \n", part, pdg, ifl,
153	// particle->GetName(), particle->Px(), particle->Py(), particle->Pz());
154
155
156
157	/* Wt is the weight of the particle*/
158	STACK.wt[STACK.lstack] = oneone;
159	STARS.weipri += STACK.wt[STACK.lstack];
160
161	STACK.ilo[STACK.lstack] = ifl;
162	/* From this point .....
163	* Particle generation (1 for primaries)
164	*/
165	STACK.lo[STACK.lstack] = 1;
166
167	/* User dependent flag:*/
168	STACK.louse[STACK.lstack] = 0;
169
170	/* User dependent spare variables:*/
171	Int_t ispr = 0;
172	for (ispr = 0; ispr < mkbmx1; ispr++)
173	STACK.sparek[STACK.lstack][ispr] = zerzer;
174
175	/* User dependent spare flags:*/
176	for (ispr = 0; ispr < mkbmx2; ispr++)
177	STACK.ispark[STACK.lstack][ispr] = 0;
178
179	/* Save the track number of the stack particle:*/
180	STACK.ispark[STACK.lstack][mkbmx2-1] = itrack;
181	STACK.nparma++;
182	STACK.numpar[STACK.lstack] = STACK.nparma;
183	STACK.nevent[STACK.lstack] = 0;
184	STACK.dfnear[STACK.lstack] = +zerzer;
185
186	/* Particle age (s)*/
187	STACK.agestk[STACK.lstack] = +zerzer;
188	STACK.aknshr[STACK.lstack] = -twotwo;
189
190	/* Group number for "low" energy neutrons, set to 0 anyway*/
191	STACK.igroup[STACK.lstack] = 0;
192
193	/* Kinetic energy */
194	STACK.tke[STACK.lstack] = particle->Energy() - particle->GetMass();
195
196
197	/* Particle momentum*/
198	STACK.pmom [STACK.lstack] = particle->P();
199
200	/* Cosines (tx,ty,tz)*/
201	Double_t cosx = particle->Px()/particle->P();
202	Double_t cosy = particle->Py()/particle->P();
203	Double_t cosz = TMath::Sqrt(oneone - cosxcosx - cosycosy);
204	if (particle->Pz() < 0.) cosz = -cosz;
205	cosz *= dir;
206
207	STACK.tx [STACK.lstack] = cosx;
208	STACK.ty [STACK.lstack] = cosy;
209	STACK.tz [STACK.lstack] = cosz;
210
211	/* Polarization cosines:*/
212	if (polarisation.Mag()) {
213	Double_t cospolx = polarisation.Px()/polarisation.Mag();
214	Double_t cospoly = polarisation.Py()/polarisation.Mag();
215	Double_t cospolz = sqrt(oneone - cospolxcospolx - cospolycospoly);
216	STACK.tx [STACK.lstack] = cospolx;
217	STACK.ty [STACK.lstack] = cospoly;
218	STACK.tz [STACK.lstack] = cospolz;
219	}
220	else {
221	STACK.txpol [STACK.lstack] = -twotwo;
222	STACK.typol [STACK.lstack] = +zerzer;
223	STACK.tzpol [STACK.lstack] = +zerzer;
224	}
225
226	/* Particle coordinates*/
227	STACK.xa [STACK.lstack] = particle->Vx();
228	STACK.ya [STACK.lstack] = particle->Vy();
229	STACK.za [STACK.lstack] = za;
230
231	// printf("Particle Vertex %10.3f %10.3f %10.3f %10.3f \n",
232	// STACK.xa [STACK.lstack], STACK.ya [STACK.lstack], STACK.za [STACK.lstack], dir);
233
234
235
236	/* Calculate the total kinetic energy of the primaries: don't change*/
237	Int_t st_ilo = STACK.ilo[STACK.lstack];
238	if ( st_ilo != 0 )
239	EPISOR.tkesum +=
240	((STACK.tke[STACK.lstack] + PAPROP.amdisc[st_ilo+6])
241	* STACK.wt[STACK.lstack]);
242	else
243	EPISOR.tkesum += (STACK.tke[STACK.lstack] * STACK.wt[STACK.lstack]);
244
245	/* Here we ask for the region number of the hitting point.
246	* NREG (LSTACK) = ...
247	* The following line makes the starting region search much more
248	* robust if particles are starting very close to a boundary:
249	*/
250	geocrs( STACK.tx[STACK.lstack],
251	STACK.ty[STACK.lstack],
252	STACK.tz[STACK.lstack] );
253
254	Int_t idisc;
255
256	georeg ( STACK.xa[STACK.lstack],
257	STACK.ya[STACK.lstack],
258	STACK.za[STACK.lstack],
259	STACK.nreg[STACK.lstack],
260	idisc);//<-- dummy return variable not used
261	/* Do not change these cards:*/
262	Int_t igeohsm1 = 1;
263	Int_t igeohsm2 = -11;
264	geohsm ( STACK.nhspnt[STACK.lstack], igeohsm1, igeohsm2, LTCLCM.mlattc );
265	STACK.nlattc[STACK.lstack] = LTCLCM.mlattc;
266	soevsv();
267	}
268	}
269
270