[u/mrichter/AliRoot.git] / TFluka / source_pp.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 "../PYTHIA6/AliGenPythia.h"

#include "TVirtualMCStack.h"
#include "TParticle.h"
#include "TVector3.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_pp source_pp__
#else
# define source SOURCE
# define geocrs GEOCRS
# define georeg GEOREG
# define geohsm GEOHSM
# define soevsv SOEVSV
# define mcihad MCIHAD
# define source_pp SOURCE_PP
#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_pp(Int_t& nomore) {

      static Bool_t lfirst       = true;
      static AliGenPythia* gener = 0;
      static AliStack* stack     = 0;	

      nomore = 0;
      TParticle* particle;
      Int_t itrack = -1;
      if (lfirst) {
	  EPISOR.tkesum = zerzer;
	  lfirst = false;
	  EPISOR.lussrc = true;
	  gener  = new AliGenPythia(1);
	  gener->SetEnergyCMS(14000.);
	  gener->SetProcess(kPyMb);
	  stack = new AliStack(1000);
	  gener->SetStack(stack);
	  gener->Init();

      } else {
	  //
	  // Generate event
	  stack->Reset();
	  gener->Generate();
	  Int_t npart = stack->GetNprimary();
	  for (Int_t part=0; part<npart; part++) {
	      particle = stack->Particle(part);
	      Int_t st = particle->GetStatusCode();
	      if (st != 1) continue;
	      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", STACK.lstack, 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;
	      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*/
	      // Vertext coordinates;
	      STACK.xa [STACK.lstack] = particle->Vx();
	      STACK.ya [STACK.lstack] = particle->Vy();
	      STACK.za [STACK.lstack] = particle->Vz();
	      
	      /*  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();
//
//  Pre-track actions at for primary tracks
//
	  }
      }
  }
}
Commit	Line	Data
91a0cfa5	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 "../PYTHIA6/AliGenPythia.h"
	22
	23	#include "TVirtualMCStack.h"
	24	#include "TParticle.h"
	25	#include "TVector3.h"
	26
	27	//Other
	28	#include <Riostream.h>
	29
	30	#ifndef WIN32
	31	# define source source_
	32	# define geocrs geocrs_
	33	# define georeg georeg_
	34	# define geohsm geohsm_
	35	# define soevsv soevsv_
	36	# define mcihad mcihad_
	37	# define source_pp source_pp__
	38	#else
	39	# define source SOURCE
	40	# define geocrs GEOCRS
	41	# define georeg GEOREG
	42	# define geohsm GEOHSM
	43	# define soevsv SOEVSV
	44	# define mcihad MCIHAD
	45	# define source_pp SOURCE_PP
	46	#endif
	47
	48	extern "C" {
	49	//
	50	// Prototypes for FLUKA functions
	51	//
	52	void type_of_call geocrs(Double_t &, Double_t &, Double_t &);
	53	void type_of_call georeg(Double_t &, Double_t &, Double_t &,
	54	Int_t &, Int_t &);
	55	void type_of_call geohsm(Int_t &, Int_t &, Int_t &, Int_t &);
	56	void type_of_call soevsv();
	57	int type_of_call mcihad(const int&);
	58	/*
	59	----------------------------------------------------------------------
	60	* *
	61	* Created on 07 january 1990 by Alfredo Ferrari & Paola Sala *
	62	* Infn - Milan *
	63	* *
	64	* Last change on 21-jun-98 by Alfredo Ferrari *
65	* *
66	* C++ version on 27-sep-02 by Isidro Gonzalez *
67	* *
68	* This is just an example of a possible user written source routine. *
69	* note that the beam card still has some meaning - in the scoring the *
70	* maximum momentum used in deciding the binning is taken from the *
71	* beam momentum. Other beam card parameters are obsolete. *
72	* *
73	----------------------------------------------------------------------/
74
75	void source_pp(Int_t& nomore) {
76
77	static Bool_t lfirst = true;
78	static AliGenPythia* gener = 0;
79	static AliStack* stack = 0;
80
81	nomore = 0;
82	TParticle* particle;
83	Int_t itrack = -1;
84	if (lfirst) {
85	EPISOR.tkesum = zerzer;
86	lfirst = false;
87	EPISOR.lussrc = true;
88	gener = new AliGenPythia(1);
89	gener->SetEnergyCMS(14000.);
90	gener->SetProcess(kPyMb);
91	stack = new AliStack(1000);
92	gener->SetStack(stack);
93	gener->Init();
94
95	} else {
96	//
97	// Generate event
98	stack->Reset();
99	gener->Generate();
100	Int_t npart = stack->GetNprimary();
101	for (Int_t part=0; part<npart; part++) {
102	particle = stack->Particle(part);
103	Int_t st = particle->GetStatusCode();
104	if (st != 1) continue;
105	Int_t pdg = particle->GetPdgCode();
106	Int_t intfluka = mcihad(pdg);
107	Int_t ifl = GetFlukaKPTOIP(intfluka);
108	TVector3 polarisation;
109	particle->GetPolarisation(polarisation);
110
111	STACK.lstack++;
112
113	printf("Particle %5d %5d %5d %10s %10.3f %10.3f %10.3f \n", STACK.lstack, pdg, ifl,
114	particle->GetName(), particle->Px(), particle->Py(), particle->Pz());
115
116
117
118	/* Wt is the weight of the particle*/
119	STACK.wt[STACK.lstack] = oneone;
120	STARS.weipri += STACK.wt[STACK.lstack];
121
122	STACK.ilo[STACK.lstack] = ifl;
123	/* From this point .....
124	* Particle generation (1 for primaries)
125	*/
126	STACK.lo[STACK.lstack] = 1;
127
128	/* User dependent flag:*/
129	STACK.louse[STACK.lstack] = 0;
130
131	/* User dependent spare variables:*/
132	Int_t ispr = 0;
133	for (ispr = 0; ispr < mkbmx1; ispr++)
134	STACK.sparek[STACK.lstack][ispr] = zerzer;
135
136	/* User dependent spare flags:*/
137	for (ispr = 0; ispr < mkbmx2; ispr++)
138	STACK.ispark[STACK.lstack][ispr] = 0;
139
140	/* Save the track number of the stack particle:*/
141	STACK.ispark[STACK.lstack][mkbmx2-1] = itrack;
142	STACK.nparma++;
143	STACK.numpar[STACK.lstack] = STACK.nparma;
144	STACK.nevent[STACK.lstack] = 0;
145	STACK.dfnear[STACK.lstack] = +zerzer;
146
147	/* Particle age (s)*/
148	STACK.agestk[STACK.lstack] = +zerzer;
149	STACK.aknshr[STACK.lstack] = -twotwo;
150
151	/* Group number for "low" energy neutrons, set to 0 anyway*/
152	STACK.igroup[STACK.lstack] = 0;
153
154	/* Kinetic energy */
155	STACK.tke[STACK.lstack] = particle->Energy() - particle->GetMass();
156
157
158	/* Particle momentum*/
159	STACK.pmom [STACK.lstack] = particle->P();
160
161	/* Cosines (tx,ty,tz)*/
162	Double_t cosx = particle->Px()/particle->P();
163	Double_t cosy = particle->Py()/particle->P();
164	Double_t cosz = TMath::Sqrt(oneone - cosxcosx - cosycosy);
165	if (particle->Pz() < 0.) cosz = -cosz;
166	STACK.tx [STACK.lstack] = cosx;
167	STACK.ty [STACK.lstack] = cosy;
168	STACK.tz [STACK.lstack] = cosz;
169
170	/* Polarization cosines:*/
171	if (polarisation.Mag()) {
172	Double_t cospolx = polarisation.Px()/polarisation.Mag();
173	Double_t cospoly = polarisation.Py()/polarisation.Mag();
174	Double_t cospolz = sqrt(oneone - cospolxcospolx - cospolycospoly);
175	STACK.tx [STACK.lstack] = cospolx;
176	STACK.ty [STACK.lstack] = cospoly;
177	STACK.tz [STACK.lstack] = cospolz;
178	}
179	else {
180	STACK.txpol [STACK.lstack] = -twotwo;
181	STACK.typol [STACK.lstack] = +zerzer;
182	STACK.tzpol [STACK.lstack] = +zerzer;
183	}
184
185	/* Particle coordinates*/
186	// Vertext coordinates;
187	STACK.xa [STACK.lstack] = particle->Vx();
188	STACK.ya [STACK.lstack] = particle->Vy();
189	STACK.za [STACK.lstack] = particle->Vz();
190
191	/* Calculate the total kinetic energy of the primaries: don't change*/
192	Int_t st_ilo = STACK.ilo[STACK.lstack];
193	if ( st_ilo != 0 )
194	EPISOR.tkesum +=
195	((STACK.tke[STACK.lstack] + PAPROP.amdisc[st_ilo+6])
196	* STACK.wt[STACK.lstack]);
197	else
198	EPISOR.tkesum += (STACK.tke[STACK.lstack] * STACK.wt[STACK.lstack]);
199
200	/* Here we ask for the region number of the hitting point.
201	* NREG (LSTACK) = ...
202	* The following line makes the starting region search much more
203	* robust if particles are starting very close to a boundary:
204	*/
205	geocrs( STACK.tx[STACK.lstack],
206	STACK.ty[STACK.lstack],
207	STACK.tz[STACK.lstack] );
208
209	Int_t idisc;
210
211	georeg ( STACK.xa[STACK.lstack],
212	STACK.ya[STACK.lstack],
213	STACK.za[STACK.lstack],
214	STACK.nreg[STACK.lstack],
215	idisc);//<-- dummy return variable not used
216	/* Do not change these cards:*/
217	Int_t igeohsm1 = 1;
218	Int_t igeohsm2 = -11;
219	geohsm ( STACK.nhspnt[STACK.lstack], igeohsm1, igeohsm2, LTCLCM.mlattc );
220	STACK.nlattc[STACK.lstack] = LTCLCM.mlattc;
221	soevsv();
222	//
223	// Pre-track actions at for primary tracks
224	//
225	}
226	}
227	}
228	}
229
230