[u/mrichter/AliRoot.git] / TFluka / source.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 "Fcaslim.h"  //(CASLIM) fluka common

//Virutal MC
#include "TFluka.h"
#include "TVirtualMCStack.h"
#include "TVirtualMCApplication.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_
#else
# define source SOURCE
# define geocrs GEOCRS
# define georeg GEOREG
# define geohsm GEOHSM
# define soevsv SOEVSV
#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();
 /*
   *----------------------------------------------------------------------*
   *                                                                      *
   *     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(Int_t& nomore) {
#ifdef METHODDEBUG
      cout << "==> source(" << nomore << ")" << endl;
#endif

      cout << "\t* EPISOR.lsouit = " << (EPISOR.lsouit?'T':'F') << endl;

      static Bool_t lfirst = true;
      static Bool_t particleIsPrimary = true;
      static Bool_t lastParticleWasPrimary = true;
      
      /*  +-------------------------------------------------------------------*
       *    First call initializations for FLUKA:                             */
      

    nomore = 0;
    // Get the pointer to the VMC
    TVirtualMC* fluka = TFluka::GetMC();
    // Get the stack 
    TVirtualMCStack* cppstack = fluka->GetStack();
    TParticle* particle;
    Int_t itrack = -1;
    Int_t  nprim  = cppstack->GetNprimary();
//  Get the next particle from the stack
    particle  = cppstack->PopNextTrack(itrack);

//  Is this a secondary not handled by Fluka, i.e. a particle added by user action ?
    lastParticleWasPrimary = particleIsPrimary;
    
    if (itrack >= nprim) {
	particleIsPrimary = kFALSE;
    } else {
	particleIsPrimary = kTRUE;
    }

//    printf("--->Got Particle %d %d %d\n", itrack, particleIsPrimary, lastParticleWasPrimary);    

    if (lfirst) {
	EPISOR.tkesum = zerzer;
	lfirst = false;
	EPISOR.lussrc = true;
    } else {
//
// Post-track actions for primary track
//
	if (particleIsPrimary) {
	    TVirtualMCApplication::Instance()->PostTrack();
	    TVirtualMCApplication::Instance()->FinishPrimary();
	}
    }

    //Exit if itrack is negative (-1). Set lsouit to false to mark last track for
    //this event

    if (itrack<0) {
      nomore = 1;
      EPISOR.lsouit = false;
      cout << "\t* EPISOR.lsouit = " << (EPISOR.lsouit?'T':'F') << endl;
      cout << "\t* No more particles. Exiting..." << endl;
#ifdef METHODDEBUG
      cout << "<== source(" << nomore << ")" << endl;
#endif
      return;
    }
    
    //Get some info about the particle and print it
    //
    //pdg code
    Int_t pdg = particle->GetPdgCode();
    
    TVector3 polarisation;
    particle->GetPolarisation(polarisation);
    cout << "\t* Particle " << itrack << " retrieved..." << endl;
    cout << "\t\t+ Name = " << particle->GetName() << endl;
    cout << "\t\t+ PDG/Fluka code = " << pdg 
	 << " / " << fluka->IdFromPDG(pdg) << endl;
    cout << "\t\t+ P = (" 
	 << particle->Px() << " , "
	 << particle->Py() << " , "
	 << particle->Pz() << " ) --> "
	 << particle->P() << " GeV" << endl;
    /* Lstack is the stack counter: of course any time source is called it
     * must be =0
     */
    
    STACK.lstack++;

    /* Wt is the weight of the particle*/
    STACK.wt[STACK.lstack] = oneone;
    STARS.weipri += STACK.wt[STACK.lstack];

    /* Particle type (1=proton.....). Ijbeam is the type set by the BEAM
     * card
       */

    //STACK.ilo[STACK.lstack] = BEAM.ijbeam;
    if (pdg == 50000050 ||  pdg ==  50000051) {
	STACK.ilo[STACK.lstack] = fluka-> IdFromPDG(22);
    } else {
	STACK.ilo[STACK.lstack] = fluka-> IdFromPDG(pdg);
    }
    
    
	    

    /* 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 */
    if (pdg == 50000050 ||  pdg ==  50000051) {
	// 
	// Special case for optical photons
	STACK.tke[STACK.lstack] = particle->Energy();
    } else {
	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
//
    if (particleIsPrimary) {
	TVirtualMCApplication::Instance()->BeginPrimary();
	TVirtualMCApplication::Instance()->PreTrack();
    }
    
//

#ifdef METHODDEBUG
    cout << "<== source(" << nomore << ")" << endl;
#endif
  }
}
Commit	Line	Data
b9d0a01d	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 "Fcaslim.h" //(CASLIM) fluka common
	16
	17	//Virutal MC
	18	#include "TFluka.h"
	19	#include "TVirtualMCStack.h"
45dc600a	20	#include "TVirtualMCApplication.h"
b9d0a01d	21	#include "TParticle.h"
	22	#include "TVector3.h"
	23
	24	//Other
eae0fe66	25	#include <Riostream.h>
b9d0a01d	26
	27	#ifndef WIN32
	28	# define source source_
	29	# define geocrs geocrs_
	30	# define georeg georeg_
	31	# define geohsm geohsm_
	32	# define soevsv soevsv_
	33	#else
	34	# define source SOURCE
	35	# define geocrs GEOCRS
	36	# define georeg GEOREG
	37	# define geohsm GEOHSM
	38	# define soevsv SOEVSV
	39	#endif
	40
b9d0a01d	41	extern "C" {
	42	//
	43	// Prototypes for FLUKA functions
	44	//
	45	void type_of_call geocrs(Double_t &, Double_t &, Double_t &);
	46	void type_of_call georeg(Double_t &, Double_t &, Double_t &,
	47	Int_t &, Int_t &);
	48	void type_of_call geohsm(Int_t &, Int_t &, Int_t &, Int_t &);
	49	void type_of_call soevsv();
	50	/*
	51	----------------------------------------------------------------------
	52	* *
	53	* Created on 07 january 1990 by Alfredo Ferrari & Paola Sala *
	54	* Infn - Milan *
	55	* *
	56	* Last change on 21-jun-98 by Alfredo Ferrari *
	57	* *
	58	* C++ version on 27-sep-02 by Isidro Gonzalez *
	59	* *
	60	* This is just an example of a possible user written source routine. *
	61	* note that the beam card still has some meaning - in the scoring the *
	62	* maximum momentum used in deciding the binning is taken from the *
	63	* beam momentum. Other beam card parameters are obsolete. *
	64	* *
	65	----------------------------------------------------------------------/
	66
	67	void source(Int_t& nomore) {
	68	#ifdef METHODDEBUG
ce60a136	69	cout << "==> source(" << nomore << ")" << endl;
b9d0a01d	70	#endif
b9d0a01d	71
ce60a136	72	cout << "\t* EPISOR.lsouit = " << (EPISOR.lsouit?'T':'F') << endl;
b9d0a01d	73
ce60a136	74	static Bool_t lfirst = true;
	75	static Bool_t particleIsPrimary = true;
	76	static Bool_t lastParticleWasPrimary = true;
	77
	78	/* +-------------------------------------------------------------------*
	79	* First call initializations for FLUKA: */
b9d0a01d	80
b9d0a01d	81
ce60a136	82	nomore = 0;
b9d0a01d	83	// Get the pointer to the VMC
b9d0a01d	84	TVirtualMC* fluka = TFluka::GetMC();
ce60a136	85	// Get the stack
b9d0a01d	86	TVirtualMCStack* cppstack = fluka->GetStack();
ce60a136	87	TParticle* particle;
b9d0a01d	88	Int_t itrack = -1;
ce60a136	89	Int_t nprim = cppstack->GetNprimary();
	90	// Get the next particle from the stack
	91	particle = cppstack->PopNextTrack(itrack);
	92
	93	// Is this a secondary not handled by Fluka, i.e. a particle added by user action ?
	94	lastParticleWasPrimary = particleIsPrimary;
	95
	96	if (itrack >= nprim) {
	97	particleIsPrimary = kFALSE;
	98	} else {
	99	particleIsPrimary = kTRUE;
	100	}
	101
	102	// printf("--->Got Particle %d %d %d\n", itrack, particleIsPrimary, lastParticleWasPrimary);
	103
	104	if (lfirst) {
	105	EPISOR.tkesum = zerzer;
	106	lfirst = false;
	107	EPISOR.lussrc = true;
	108	} else {
	109	//
	110	// Post-track actions for primary track
	111	//
	112	if (particleIsPrimary) {
	113	TVirtualMCApplication::Instance()->PostTrack();
	114	TVirtualMCApplication::Instance()->FinishPrimary();
	115	}
	116	}
b9d0a01d	117
	118	//Exit if itrack is negative (-1). Set lsouit to false to mark last track for
	119	//this event
ce60a136	120
b9d0a01d	121	if (itrack<0) {
	122	nomore = 1;
	123	EPISOR.lsouit = false;
	124	cout << "\t* EPISOR.lsouit = " << (EPISOR.lsouit?'T':'F') << endl;
	125	cout << "\t* No more particles. Exiting..." << endl;
	126	#ifdef METHODDEBUG
	127	cout << "<== source(" << nomore << ")" << endl;
	128	#endif
	129	return;
	130	}
ce60a136	131
b9d0a01d	132	//Get some info about the particle and print it
ce60a136	133	//
	134	//pdg code
	135	Int_t pdg = particle->GetPdgCode();
	136
b9d0a01d	137	TVector3 polarisation;
	138	particle->GetPolarisation(polarisation);
	139	cout << "\t* Particle " << itrack << " retrieved..." << endl;
	140	cout << "\t\t+ Name = " << particle->GetName() << endl;
ce60a136	141	cout << "\t\t+ PDG/Fluka code = " << pdg
ce60a136	142	<< " / " << fluka->IdFromPDG(pdg) << endl;
b9d0a01d	143	cout << "\t\t+ P = ("
	144	<< particle->Px() << " , "
	145	<< particle->Py() << " , "
	146	<< particle->Pz() << " ) --> "
	147	<< particle->P() << " GeV" << endl;
b9d0a01d	148	/* Lstack is the stack counter: of course any time source is called it
	149	* must be =0
	150	*/
45dc600a	151
b9d0a01d	152	STACK.lstack++;
ce60a136	153
b9d0a01d	154	/* Wt is the weight of the particle*/
	155	STACK.wt[STACK.lstack] = oneone;
	156	STARS.weipri += STACK.wt[STACK.lstack];
ce60a136	157
b9d0a01d	158	/* Particle type (1=proton.....). Ijbeam is the type set by the BEAM
	159	* card
	160	*/
ce60a136	161
b9d0a01d	162	//STACK.ilo[STACK.lstack] = BEAM.ijbeam;
ce60a136	163	if (pdg == 50000050 \|\| pdg == 50000051) {
	164	STACK.ilo[STACK.lstack] = fluka-> IdFromPDG(22);
	165	} else {
	166	STACK.ilo[STACK.lstack] = fluka-> IdFromPDG(pdg);
	167	}
	168
	169
	170
	171
b9d0a01d	172	/* From this point .....
b9d0a01d	173	* Particle generation (1 for primaries)
ce60a136	174	*/
b9d0a01d	175	STACK.lo[STACK.lstack] = 1;
ce60a136	176
b9d0a01d	177	/* User dependent flag:*/
b9d0a01d	178	STACK.louse[STACK.lstack] = 0;
ce60a136	179
b9d0a01d	180	/* User dependent spare variables:*/
148ba0b4	181	Int_t ispr = 0;
148ba0b4	182	for (ispr = 0; ispr < mkbmx1; ispr++)
b9d0a01d	183	STACK.sparek[STACK.lstack][ispr] = zerzer;
ce60a136	184
b9d0a01d	185	/* User dependent spare flags:*/
148ba0b4	186	for (ispr = 0; ispr < mkbmx2; ispr++)
b9d0a01d	187	STACK.ispark[STACK.lstack][ispr] = 0;
ce60a136	188
b9d0a01d	189	/* Save the track number of the stack particle:*/
5d298556	190	STACK.ispark[STACK.lstack][mkbmx2-1] = itrack;
b9d0a01d	191	STACK.nparma++;
	192	STACK.numpar[STACK.lstack] = STACK.nparma;
	193	STACK.nevent[STACK.lstack] = 0;
	194	STACK.dfnear[STACK.lstack] = +zerzer;
ce60a136	195
ce60a136	196	/* Particle age (s)*/
b9d0a01d	197	STACK.agestk[STACK.lstack] = +zerzer;
b9d0a01d	198	STACK.aknshr[STACK.lstack] = -twotwo;
ce60a136	199
b9d0a01d	200	/* Group number for "low" energy neutrons, set to 0 anyway*/
b9d0a01d	201	STACK.igroup[STACK.lstack] = 0;
ce60a136	202
	203	/* Kinetic energy */
	204	if (pdg == 50000050 \|\| pdg == 50000051) {
	205	//
	206	// Special case for optical photons
	207	STACK.tke[STACK.lstack] = particle->Energy();
	208	} else {
	209	STACK.tke[STACK.lstack] = particle->Energy() - particle->GetMass();
	210	}
	211
b9d0a01d	212
b9d0a01d	213	/* Particle momentum*/
b9d0a01d	214	STACK.pmom [STACK.lstack] = particle->P();
b9d0a01d	215
ce60a136	216	/* Cosines (tx,ty,tz)*/
b9d0a01d	217	Double_t cosx = particle->Px()/particle->P();
b9d0a01d	218	Double_t cosy = particle->Py()/particle->P();
57dd4539	219	Double_t cosz = TMath::Sqrt(oneone - cosxcosx - cosycosy);
57dd4539	220	if (particle->Pz() < 0.) cosz = -cosz;
b9d0a01d	221	STACK.tx [STACK.lstack] = cosx;
	222	STACK.ty [STACK.lstack] = cosy;
	223	STACK.tz [STACK.lstack] = cosz;
	224
ce60a136	225	/* Polarization cosines:*/
b9d0a01d	226	if (polarisation.Mag()) {
ce60a136	227	Double_t cospolx = polarisation.Px()/polarisation.Mag();
	228	Double_t cospoly = polarisation.Py()/polarisation.Mag();
	229	Double_t cospolz = sqrt(oneone - cospolxcospolx - cospolycospoly);
	230	STACK.tx [STACK.lstack] = cospolx;
	231	STACK.ty [STACK.lstack] = cospoly;
	232	STACK.tz [STACK.lstack] = cospolz;
b9d0a01d	233	}
b9d0a01d	234	else {
ce60a136	235	STACK.txpol [STACK.lstack] = -twotwo;
	236	STACK.typol [STACK.lstack] = +zerzer;
	237	STACK.tzpol [STACK.lstack] = +zerzer;
b9d0a01d	238	}
	239
	240	/* Particle coordinates*/
ce60a136	241	// Vertext coordinates;
b9d0a01d	242	STACK.xa [STACK.lstack] = particle->Vx();
	243	STACK.ya [STACK.lstack] = particle->Vy();
	244	STACK.za [STACK.lstack] = particle->Vz();
	245
b9d0a01d	246	/* Calculate the total kinetic energy of the primaries: don't change*/
	247	Int_t st_ilo = STACK.ilo[STACK.lstack];
	248	if ( st_ilo != 0 )
ce60a136	249	EPISOR.tkesum +=
	250	((STACK.tke[STACK.lstack] + PAPROP.amdisc[st_ilo+6])
	251	* STACK.wt[STACK.lstack]);
b9d0a01d	252	else
ce60a136	253	EPISOR.tkesum += (STACK.tke[STACK.lstack] * STACK.wt[STACK.lstack]);
b9d0a01d	254
	255	/* Here we ask for the region number of the hitting point.
	256	* NREG (LSTACK) = ...
	257	* The following line makes the starting region search much more
	258	* robust if particles are starting very close to a boundary:
	259	*/
	260	geocrs( STACK.tx[STACK.lstack],
	261	STACK.ty[STACK.lstack],
	262	STACK.tz[STACK.lstack] );
ce60a136	263
b9d0a01d	264	Int_t idisc;
ce60a136	265
b9d0a01d	266	georeg ( STACK.xa[STACK.lstack],
	267	STACK.ya[STACK.lstack],
	268	STACK.za[STACK.lstack],
	269	STACK.nreg[STACK.lstack],
	270	idisc);//<-- dummy return variable not used
b9d0a01d	271	/* Do not change these cards:*/
	272	Int_t igeohsm1 = 1;
	273	Int_t igeohsm2 = -11;
	274	geohsm ( STACK.nhspnt[STACK.lstack], igeohsm1, igeohsm2, LTCLCM.mlattc );
	275	STACK.nlattc[STACK.lstack] = LTCLCM.mlattc;
	276	soevsv();
ce60a136	277	//
	278	// Pre-track actions at for primary tracks
	279	//
	280	if (particleIsPrimary) {
	281	TVirtualMCApplication::Instance()->BeginPrimary();
	282	TVirtualMCApplication::Instance()->PreTrack();
	283	}
	284
	285	//
	286
b9d0a01d	287	#ifdef METHODDEBUG
	288	cout << "<== source(" << nomore << ")" << endl;
	289	#endif
	290	}
	291	}