[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;
    /*======================================================================*
     *                                                                      *
     *                 BASIC VERSION                                        *
     *                                                                      *
     *======================================================================*/
    nomore = 0;
    /*  +-------------------------------------------------------------------*
     *  |  First call initializations:*/
    if (lfirst) {

      /*|  *** The following 3 cards are mandatory ***/
      
      EPISOR.tkesum = zerzer;
      lfirst = false;
      EPISOR.lussrc = true;
      /*|  *** User initialization ***/
    } else {
	    TVirtualMCApplication::Instance()->PostTrack();
	    TVirtualMCApplication::Instance()->FinishPrimary();
    }

    
    /*  |
     *  +-------------------------------------------------------------------*
     *  Push one source particle to the stack. Note that you could as well
     *  push many but this way we reserve a maximum amount of space in the
     *  stack for the secondaries to be generated
     */

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

    //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
    TVector3 polarisation;
    particle->GetPolarisation(polarisation);
    cout << "\t* Particle " << itrack << " retrieved..." << endl;
    cout << "\t\t+ Name = " << particle->GetName() << endl;
    cout << "\t\t+ PDG/Fluka code = " << particle->GetPdgCode() 
	 << " / " << fluka->IdFromPDG(particle->GetPdgCode()) << 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++;
    //cout << "\t* Storing particle parameters in the stack, lstack = " 
    //	 << STACK.lstack << endl;
    /* 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;
    STACK.ilo[STACK.lstack] = fluka-> IdFromPDG(particle->GetPdgCode());
    /* 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;
      /* ... to this point: don't change anything
       * 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 of the particle (GeV)*/
    //STACK.tke[STACK.lstack] = 
    //sqrt( BEAM.pbeam*BEAM.pbeam + 
    // PAPROP.am[BEAM.ijbeam+6]*PAPROP.am[BEAM.ijbeam+6] ) 
    //- PAPROP.am[BEAM.ijbeam+6];
    STACK.tke[STACK.lstack] = particle->Energy() - particle->GetMass();
    
    /* Particle momentum*/
    //STACK.pmom [STACK.lstack] = BEAM.pbeam;
    STACK.pmom [STACK.lstack] = particle->P();
    
    /*     PMOM (lstack) = SQRT ( TKE (stack) * ( TKE (lstack) + TWOTWO
     *    &                     * AM (ILO(lstack)) ) )
     * Cosines (tx,ty,tz)
     */
    //STACK.tx [STACK.lstack] = BEAM.tinx;
    //STACK.ty [STACK.lstack] = BEAM.tiny;
    //STACK.tz [STACK.lstack] = BEAM.tinz;
    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:
     */
    //STACK.txpol [STACK.lstack] = -twotwo;
    //STACK.typol [STACK.lstack] = +zerzer;
    //STACK.tzpol [STACK.lstack] = +zerzer;
    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] = BEAM.xina;
    //STACK.ya [STACK.lstack] = BEAM.yina;
    //STACK.za [STACK.lstack] = BEAM.zina
      //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();
    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
	69	cout << "==> source(" << nomore << ")" << endl;
	70	#endif
	71
	72	cout << "\t* EPISOR.lsouit = " << (EPISOR.lsouit?'T':'F') << endl;
	73
	74	static Bool_t lfirst = true;
	75	/======================================================================
	76	* *
	77	* BASIC VERSION *
	78	* *
	79	======================================================================/
	80	nomore = 0;
	81	/* +-------------------------------------------------------------------*
	82	* \| First call initializations:*/
	83	if (lfirst) {
	84
	85	/\| The following 3 cards are mandatory */
	86
	87	EPISOR.tkesum = zerzer;
	88	lfirst = false;
	89	EPISOR.lussrc = true;
	90	/\| User initialization */
398b7205	91	} else {
	92	TVirtualMCApplication::Instance()->PostTrack();
	93	TVirtualMCApplication::Instance()->FinishPrimary();
b9d0a01d	94	}
398b7205	95
398b7205	96
b9d0a01d	97	/* \|
	98	* +-------------------------------------------------------------------*
	99	* Push one source particle to the stack. Note that you could as well
	100	* push many but this way we reserve a maximum amount of space in the
	101	* stack for the secondaries to be generated
	102	*/
	103
	104	// Get the pointer to the VMC
	105	TVirtualMC* fluka = TFluka::GetMC();
	106	// Get the stack produced from the generator
	107	TVirtualMCStack* cppstack = fluka->GetStack();
	108	//Get next particle
	109	Int_t itrack = -1;
22229ba5	110	TParticle* particle = cppstack->PopNextTrack(itrack);
b9d0a01d	111
	112	//Exit if itrack is negative (-1). Set lsouit to false to mark last track for
	113	//this event
	114	if (itrack<0) {
	115	nomore = 1;
	116	EPISOR.lsouit = false;
	117	cout << "\t* EPISOR.lsouit = " << (EPISOR.lsouit?'T':'F') << endl;
	118	cout << "\t* No more particles. Exiting..." << endl;
	119	#ifdef METHODDEBUG
	120	cout << "<== source(" << nomore << ")" << endl;
	121	#endif
	122	return;
	123	}
	124
	125	//Get some info about the particle and print it
	126	TVector3 polarisation;
	127	particle->GetPolarisation(polarisation);
	128	cout << "\t* Particle " << itrack << " retrieved..." << endl;
	129	cout << "\t\t+ Name = " << particle->GetName() << endl;
	130	cout << "\t\t+ PDG/Fluka code = " << particle->GetPdgCode()
	131	<< " / " << fluka->IdFromPDG(particle->GetPdgCode()) << endl;
b9d0a01d	132	cout << "\t\t+ P = ("
	133	<< particle->Px() << " , "
	134	<< particle->Py() << " , "
	135	<< particle->Pz() << " ) --> "
	136	<< particle->P() << " GeV" << endl;
b9d0a01d	137	/* Lstack is the stack counter: of course any time source is called it
	138	* must be =0
	139	*/
45dc600a	140
b9d0a01d	141	STACK.lstack++;
b1d2c71c	142	//cout << "\t* Storing particle parameters in the stack, lstack = "
b1d2c71c	143	// << STACK.lstack << endl;
b9d0a01d	144	/* Wt is the weight of the particle*/
	145	STACK.wt[STACK.lstack] = oneone;
	146	STARS.weipri += STACK.wt[STACK.lstack];
	147	/* Particle type (1=proton.....). Ijbeam is the type set by the BEAM
	148	* card
	149	*/
	150	//STACK.ilo[STACK.lstack] = BEAM.ijbeam;
	151	STACK.ilo[STACK.lstack] = fluka-> IdFromPDG(particle->GetPdgCode());
	152	/* From this point .....
	153	* Particle generation (1 for primaries)
	154	*/
	155	STACK.lo[STACK.lstack] = 1;
	156	/* User dependent flag:*/
	157	STACK.louse[STACK.lstack] = 0;
	158	/* User dependent spare variables:*/
148ba0b4	159	Int_t ispr = 0;
148ba0b4	160	for (ispr = 0; ispr < mkbmx1; ispr++)
b9d0a01d	161	STACK.sparek[STACK.lstack][ispr] = zerzer;
b9d0a01d	162	/* User dependent spare flags:*/
148ba0b4	163	for (ispr = 0; ispr < mkbmx2; ispr++)
b9d0a01d	164	STACK.ispark[STACK.lstack][ispr] = 0;
b9d0a01d	165	/* Save the track number of the stack particle:*/
5d298556	166	STACK.ispark[STACK.lstack][mkbmx2-1] = itrack;
b9d0a01d	167	STACK.nparma++;
	168	STACK.numpar[STACK.lstack] = STACK.nparma;
	169	STACK.nevent[STACK.lstack] = 0;
	170	STACK.dfnear[STACK.lstack] = +zerzer;
	171	/* ... to this point: don't change anything
	172	* Particle age (s)
	173	*/
	174	STACK.agestk[STACK.lstack] = +zerzer;
	175	STACK.aknshr[STACK.lstack] = -twotwo;
	176	/* Group number for "low" energy neutrons, set to 0 anyway*/
	177	STACK.igroup[STACK.lstack] = 0;
	178	/* Kinetic energy of the particle (GeV)*/
	179	//STACK.tke[STACK.lstack] =
	180	//sqrt( BEAM.pbeam*BEAM.pbeam +
	181	// PAPROP.am[BEAM.ijbeam+6]*PAPROP.am[BEAM.ijbeam+6] )
	182	//- PAPROP.am[BEAM.ijbeam+6];
	183	STACK.tke[STACK.lstack] = particle->Energy() - particle->GetMass();
	184
	185	/* Particle momentum*/
	186	//STACK.pmom [STACK.lstack] = BEAM.pbeam;
	187	STACK.pmom [STACK.lstack] = particle->P();
	188
	189	/* PMOM (lstack) = SQRT ( TKE (stack) * ( TKE (lstack) + TWOTWO
	190	* & * AM (ILO(lstack)) ) )
	191	* Cosines (tx,ty,tz)
	192	*/
	193	//STACK.tx [STACK.lstack] = BEAM.tinx;
	194	//STACK.ty [STACK.lstack] = BEAM.tiny;
	195	//STACK.tz [STACK.lstack] = BEAM.tinz;
	196	Double_t cosx = particle->Px()/particle->P();
	197	Double_t cosy = particle->Py()/particle->P();
57dd4539	198	Double_t cosz = TMath::Sqrt(oneone - cosxcosx - cosycosy);
57dd4539	199	if (particle->Pz() < 0.) cosz = -cosz;
b9d0a01d	200	STACK.tx [STACK.lstack] = cosx;
	201	STACK.ty [STACK.lstack] = cosy;
	202	STACK.tz [STACK.lstack] = cosz;
	203
	204	/* Polarization cosines:
	205	*/
	206	//STACK.txpol [STACK.lstack] = -twotwo;
	207	//STACK.typol [STACK.lstack] = +zerzer;
	208	//STACK.tzpol [STACK.lstack] = +zerzer;
	209	if (polarisation.Mag()) {
	210	Double_t cospolx = polarisation.Px()/polarisation.Mag();
	211	Double_t cospoly = polarisation.Py()/polarisation.Mag();
	212	Double_t cospolz = sqrt(oneone - cospolxcospolx - cospolycospoly);
	213	STACK.tx [STACK.lstack] = cospolx;
	214	STACK.ty [STACK.lstack] = cospoly;
	215	STACK.tz [STACK.lstack] = cospolz;
	216	}
	217	else {
	218	STACK.txpol [STACK.lstack] = -twotwo;
	219	STACK.typol [STACK.lstack] = +zerzer;
	220	STACK.tzpol [STACK.lstack] = +zerzer;
	221	}
	222
	223	/* Particle coordinates*/
	224	//STACK.xa [STACK.lstack] = BEAM.xina;
	225	//STACK.ya [STACK.lstack] = BEAM.yina;
	226	//STACK.za [STACK.lstack] = BEAM.zina
	227	//Vertext coordinates;
	228	STACK.xa [STACK.lstack] = particle->Vx();
	229	STACK.ya [STACK.lstack] = particle->Vy();
	230	STACK.za [STACK.lstack] = particle->Vz();
	231
b9d0a01d	232	/* Calculate the total kinetic energy of the primaries: don't change*/
	233	Int_t st_ilo = STACK.ilo[STACK.lstack];
	234	if ( st_ilo != 0 )
	235	EPISOR.tkesum +=
	236	((STACK.tke[STACK.lstack] + PAPROP.amdisc[st_ilo+6])
	237	* STACK.wt[STACK.lstack]);
	238	else
	239	EPISOR.tkesum += (STACK.tke[STACK.lstack] * STACK.wt[STACK.lstack]);
	240
	241	/* Here we ask for the region number of the hitting point.
	242	* NREG (LSTACK) = ...
	243	* The following line makes the starting region search much more
	244	* robust if particles are starting very close to a boundary:
	245	*/
	246	geocrs( STACK.tx[STACK.lstack],
	247	STACK.ty[STACK.lstack],
	248	STACK.tz[STACK.lstack] );
	249	Int_t idisc;
	250	georeg ( STACK.xa[STACK.lstack],
	251	STACK.ya[STACK.lstack],
	252	STACK.za[STACK.lstack],
	253	STACK.nreg[STACK.lstack],
	254	idisc);//<-- dummy return variable not used
	255
	256	/* Do not change these cards:*/
	257	Int_t igeohsm1 = 1;
	258	Int_t igeohsm2 = -11;
	259	geohsm ( STACK.nhspnt[STACK.lstack], igeohsm1, igeohsm2, LTCLCM.mlattc );
	260	STACK.nlattc[STACK.lstack] = LTCLCM.mlattc;
	261	soevsv();
398b7205	262	TVirtualMCApplication::Instance()->BeginPrimary();
45dc600a	263	TVirtualMCApplication::Instance()->PreTrack();
b9d0a01d	264	#ifdef METHODDEBUG
	265	cout << "<== source(" << nomore << ")" << endl;
	266	#endif
	267	}
	268	}