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

// Fortran 
#include "TCallf77.h"

// Fluka commons
#include "Fdblprc.h"  //(DBLPRC) fluka common
#include "Fdimpar.h"  //(DIMPAR) fluka parameters
#include "Fsourcm.h"  //(EPISOR) fluka common
#include "Fflkstk.h"  //(FLKSTK)  fluka common
#include "Fsumcou.h"  //(SUMCOU)  fluka common
#include "Fpaprop.h"  //(PAPROP) fluka common
#include "Fltclcm.h"  //(LTCLCM) fluka common
#include "Fopphst.h"  //(OPPHST) 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) {
// Get the pointer to TFluka
    TFluka* fluka = (TFluka*)gMC;

    Int_t verbosityLevel = fluka->GetVerbosityLevel();
    Bool_t debug = (verbosityLevel>=3)?kTRUE:kFALSE;
    if (debug) {
      cout << "==> source(" << nomore << ")" << endl;
      cout << "\t* SOURCM.lsouit = " << (SOURCM.lsouit?'T':'F') << endl;
    }  

    static Bool_t lfirst = true;
    static Bool_t particleIsPrimary = true;
    static Bool_t lastParticleWasPrimary = true;

    nomore = 0;

    
//  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);
    fluka->SetTrackIsNew(kTRUE);
    if (itrack == (nprim - 1)) lfirst = true;
//  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;
    }

    if (lfirst) {
        SOURCM.tkesum = zerzer;
        lfirst = false;
        SOURCM.lussrc = true;
    } else {
//
// Post-track actions for primary track
//
        if (particleIsPrimary) {
            TVirtualMCApplication::Instance()->PostTrack();
            TVirtualMCApplication::Instance()->FinishPrimary();
            if ((itrack%10)==0)
                cout << "=== TRACKING PRIMARY "<< itrack <<" ===" << endl;
            //printf("=== TRACKING PRIMARY %d ===\n", itrack);
        }
    }

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

    if (itrack<0) {
      nomore = 1;
      SOURCM.lsouit = false;
      if (debug) {
         cout << "\t* SOURCM.lsouit = " << (SOURCM.lsouit?'T':'F') << endl;
         cout << "\t* No more particles. Exiting..." << endl;
         cout << "<== source(" << nomore << ")" << endl;
      }   
      return;
    }
    
    //
    // Handle user event abortion
    if (fluka->EventIsStopped()) {
        printf("Event has been stopped by user !");
        fluka->SetStopEvent(kFALSE);
        nomore = 1;
        SOURCM.lsouit = false;
        return;
    }

    //Get some info about the particle and print it
    //
    //pdg code
    Int_t pdg = particle->GetPdgCode();
    TVector3 polarisation;
    particle->GetPolarisation(polarisation);
    if (debug) {
       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 "
            << particle->Energy() << " GeV "
            << particle->GetMass() << " GeV " << endl;
    }   
    /* Npflka is the stack counter: of course any time source is called it
     * must be =0
     */
    /* Cosines (tx,ty,tz)*/
    Double_t cosx = particle->Px()/particle->P();
    Double_t cosy = particle->Py()/particle->P();
    Double_t cosxy = cosx * cosx + cosy * cosy;
    Double_t cosz;

    if (cosxy < 1.) {
	cosz = TMath::Sqrt(oneone - cosxy);
    } else {
	cosx /= TMath::Sqrt(cosxy);
	cosy /= TMath::Sqrt(cosxy);	
	cosz = 0.;
    }
    
    
    if (particle->Pz() < 0.) cosz = -cosz;    

    if (pdg != 50000050 &&  pdg !=  50000051) {
        FLKSTK.npflka++;
        Int_t ifl =  fluka-> IdFromPDG(pdg);
        FLKSTK.iloflk[FLKSTK.npflka] = ifl;
        /* Wtflk is the weight of the particle*/
        FLKSTK.wtflk[FLKSTK.npflka] = oneone;
        SUMCOU.weipri += FLKSTK.wtflk[FLKSTK.npflka];
        
        FLKSTK.loflk[FLKSTK.npflka] = 1;
        
        /* User dependent flag:*/
        FLKSTK.louse[FLKSTK.npflka] = 0;

        /* User dependent spare variables:*/
        Int_t ispr = 0;
        for (ispr = 0; ispr < mkbmx1; ispr++)
            FLKSTK.sparek[FLKSTK.npflka][ispr] = zerzer;

        /* User dependent spare flags:*/
        for (ispr = 0; ispr < mkbmx2; ispr++)
            FLKSTK.ispark[FLKSTK.npflka][ispr] = 0;

        /* Save the track number of the stack particle:*/
        FLKSTK.ispark[FLKSTK.npflka][mkbmx2-1] = itrack;
        FLKSTK.nparma++;
        FLKSTK.numpar[FLKSTK.npflka] = FLKSTK.nparma;
        FLKSTK.nevent[FLKSTK.npflka] = 0;
        FLKSTK.dfnear[FLKSTK.npflka] = +zerzer;
        
        /* Particle age (s)*/
        FLKSTK.agestk[FLKSTK.npflka] = +zerzer;
        FLKSTK.cmpath[FLKSTK.npflka] = +zerzer;
        FLKSTK.aknshr[FLKSTK.npflka] = -twotwo;

        /* Group number for "low" energy neutrons, set to 0 anyway*/
        FLKSTK.igroup[FLKSTK.npflka] = 0;
        
        /* Kinetic energy */
        Double_t p    = particle->P();
        Double_t mass = PAPROP.am[ifl + 6];
        FLKSTK.tkeflk[FLKSTK.npflka] =  TMath::Sqrt( p * p + mass * mass) - mass;
        /* Particle momentum*/
        FLKSTK.pmoflk [FLKSTK.npflka] = p;

        FLKSTK.txflk [FLKSTK.npflka] = cosx;
        FLKSTK.tyflk [FLKSTK.npflka] = cosy;
        FLKSTK.tzflk [FLKSTK.npflka] = 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);
            FLKSTK.txpol [FLKSTK.npflka] = cospolx;
            FLKSTK.typol [FLKSTK.npflka] = cospoly;
            FLKSTK.tzpol [FLKSTK.npflka] = cospolz;
        }
        else {
            FLKSTK.txpol [FLKSTK.npflka] = -twotwo;
            FLKSTK.typol [FLKSTK.npflka] = +zerzer;
            FLKSTK.tzpol [FLKSTK.npflka] = +zerzer;
        }

        /* Particle coordinates*/
        // Vertext coordinates;
        FLKSTK.xflk [FLKSTK.npflka] = particle->Vx();
        FLKSTK.yflk [FLKSTK.npflka] = particle->Vy();
        FLKSTK.zflk [FLKSTK.npflka] = particle->Vz();

        /*  Calculate the total kinetic energy of the primaries: don't change*/
        Int_t st_ilo =  FLKSTK.iloflk[FLKSTK.npflka];
        if ( st_ilo != 0 )
            SOURCM.tkesum +=
                ((FLKSTK.tkeflk[FLKSTK.npflka] + PAPROP.amdisc[st_ilo+6])
                 * FLKSTK.wtflk[FLKSTK.npflka]);
        else
            SOURCM.tkesum += (FLKSTK.tkeflk[FLKSTK.npflka] * FLKSTK.wtflk[FLKSTK.npflka]);

        /*  Here we ask for the region number of the hitting point.
         *     NRGFLK (LFLKSTK) = ...
         *  The following line makes the starting region search much more
         *  robust if particles are starting very close to a boundary:
         */
        geocrs( FLKSTK.txflk[FLKSTK.npflka],
                FLKSTK.tyflk[FLKSTK.npflka],
                FLKSTK.tzflk[FLKSTK.npflka] );
    
        Int_t idisc;

        georeg ( FLKSTK.xflk[FLKSTK.npflka],
                 FLKSTK.yflk[FLKSTK.npflka],
                 FLKSTK.zflk[FLKSTK.npflka],
                 FLKSTK.nrgflk[FLKSTK.npflka],
                 idisc);//<-- dummy return variable not used
        /*  Do not change these cards:*/
        Int_t igeohsm1 = 1;
        Int_t igeohsm2 = -11;
        geohsm ( FLKSTK.nhspnt[FLKSTK.npflka], igeohsm1, igeohsm2, LTCLCM.mlattc );
        FLKSTK.nlattc[FLKSTK.npflka] = LTCLCM.mlattc;
        soevsv();
    } else {
        //
        // Next particle is optical photon
        //
        OPPHST.lstopp++;
        OPPHST.donear [OPPHST.lstopp - 1] = 0.;

        OPPHST.xoptph [OPPHST.lstopp - 1] = particle->Vx();
        OPPHST.yoptph [OPPHST.lstopp - 1] = particle->Vy();
        OPPHST.zoptph [OPPHST.lstopp - 1] = particle->Vz();

        OPPHST.txopph [OPPHST.lstopp - 1] = cosx;
        OPPHST.tyopph [OPPHST.lstopp - 1] = cosy;
        OPPHST.tzopph [OPPHST.lstopp - 1] = cosz;


        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);
            OPPHST.txpopp [OPPHST.lstopp - 1] = cospolx;
            OPPHST.typopp [OPPHST.lstopp - 1] = cospoly;
            OPPHST.tzpopp [OPPHST.lstopp - 1] = cospolz;
        }
        else {
            OPPHST.txpopp [OPPHST.lstopp - 1] = -twotwo;
            OPPHST.typopp [OPPHST.lstopp - 1] = +zerzer;
            OPPHST.tzpopp [OPPHST.lstopp - 1] = +zerzer;
        }

        geocrs( OPPHST.txopph[OPPHST.lstopp - 1],
                OPPHST.tyopph[OPPHST.lstopp - 1],
                OPPHST.tzopph[OPPHST.lstopp - 1] );

        Int_t idisc;

        georeg ( OPPHST.xoptph[OPPHST.lstopp - 1],
                 OPPHST.yoptph[OPPHST.lstopp - 1],
                 OPPHST.zoptph[OPPHST.lstopp - 1],
                 OPPHST.nregop[OPPHST.lstopp - 1],
                 idisc);//<-- dummy return variable not used

        OPPHST.wtopph [OPPHST.lstopp - 1] = particle->GetWeight();
        OPPHST.poptph [OPPHST.lstopp - 1] = particle->P();
        OPPHST.agopph [OPPHST.lstopp - 1] = particle->T();
        OPPHST.cmpopp [OPPHST.lstopp - 1] = +zerzer;
        OPPHST.loopph [OPPHST.lstopp - 1] = 0;
        OPPHST.louopp [OPPHST.lstopp - 1] = itrack;
        OPPHST.nlatop [OPPHST.lstopp - 1] = LTCLCM.mlattc;
     }

//
//  Pre-track actions at for primary tracks
//
    if (particleIsPrimary) {
	fluka->SetCaller(kSODRAW);
        TVirtualMCApplication::Instance()->BeginPrimary();
        TVirtualMCApplication::Instance()->PreTrack();
    }
//
    if (debug) cout << "<== source(" << nomore << ")" << endl;
  }
}
Commit	Line	Data
b9d0a01d	1	// Fortran
	2	#include "TCallf77.h"
	3
	4	// Fluka commons
	5	#include "Fdblprc.h" //(DBLPRC) fluka common
	6	#include "Fdimpar.h" //(DIMPAR) fluka parameters
81f1d030	7	#include "Fsourcm.h" //(EPISOR) fluka common
81f1d030	8	#include "Fflkstk.h" //(FLKSTK) fluka common
380c2ff0	9	#include "Fsumcou.h" //(SUMCOU) fluka common
b9d0a01d	10	#include "Fpaprop.h" //(PAPROP) fluka common
b9d0a01d	11	#include "Fltclcm.h" //(LTCLCM) fluka common
cfd35035	12	#include "Fopphst.h" //(OPPHST) fluka common
b9d0a01d	13
	14	//Virutal MC
	15	#include "TFluka.h"
a7bb59a2	16
b9d0a01d	17	#include "TVirtualMCStack.h"
fbf08100	18	//#include "TVirtualMCApplication.h"
fbf08100	19
b9d0a01d	20	#include "TParticle.h"
	21	#include "TVector3.h"
	22
	23	//Other
eae0fe66	24	#include <Riostream.h>
b9d0a01d	25
	26	#ifndef WIN32
	27	# define source source_
	28	# define geocrs geocrs_
	29	# define georeg georeg_
	30	# define geohsm geohsm_
	31	# define soevsv soevsv_
	32	#else
	33	# define source SOURCE
	34	# define geocrs GEOCRS
	35	# define georeg GEOREG
	36	# define geohsm GEOHSM
	37	# define soevsv SOEVSV
	38	#endif
	39
b9d0a01d	40	extern "C" {
	41	//
	42	// Prototypes for FLUKA functions
	43	//
	44	void type_of_call geocrs(Double_t &, Double_t &, Double_t &);
	45	void type_of_call georeg(Double_t &, Double_t &, Double_t &,
4aba9d66	46	Int_t &, Int_t &);
b9d0a01d	47	void type_of_call geohsm(Int_t &, Int_t &, Int_t &, Int_t &);
	48	void type_of_call soevsv();
	49	/*
	50	----------------------------------------------------------------------
	51	* *
	52	* Created on 07 january 1990 by Alfredo Ferrari & Paola Sala *
	53	* Infn - Milan *
	54	* *
	55	* Last change on 21-jun-98 by Alfredo Ferrari *
	56	* *
	57	* C++ version on 27-sep-02 by Isidro Gonzalez *
	58	* *
	59	* This is just an example of a possible user written source routine. *
	60	* note that the beam card still has some meaning - in the scoring the *
	61	* maximum momentum used in deciding the binning is taken from the *
	62	* beam momentum. Other beam card parameters are obsolete. *
	63	* *
	64	----------------------------------------------------------------------/
	65
	66	void source(Int_t& nomore) {
b496f27c	67	// Get the pointer to TFluka
2bc4c610	68	TFluka* fluka = (TFluka*)gMC;
b496f27c	69
2bc4c610	70	Int_t verbosityLevel = fluka->GetVerbosityLevel();
	71	Bool_t debug = (verbosityLevel>=3)?kTRUE:kFALSE;
	72	if (debug) {
ce60a136	73	cout << "==> source(" << nomore << ")" << endl;
81f1d030	74	cout << "\t* SOURCM.lsouit = " << (SOURCM.lsouit?'T':'F') << endl;
2bc4c610	75	}
b9d0a01d	76
2bc4c610	77	static Bool_t lfirst = true;
	78	static Bool_t particleIsPrimary = true;
	79	static Bool_t lastParticleWasPrimary = true;
b9d0a01d	80
ce60a136	81	nomore = 0;
cadd9e6b	82
b496f27c	83
b496f27c	84	// Get the stack
b9d0a01d	85	TVirtualMCStack* cppstack = fluka->GetStack();
b496f27c	86
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);
2bc4c610	92	fluka->SetTrackIsNew(kTRUE);
a32460fe	93	if (itrack == (nprim - 1)) lfirst = true;
ce60a136	94	// Is this a secondary not handled by Fluka, i.e. a particle added by user action ?
	95	lastParticleWasPrimary = particleIsPrimary;
	96
	97	if (itrack >= nprim) {
4aba9d66	98	particleIsPrimary = kFALSE;
ce60a136	99	} else {
4aba9d66	100	particleIsPrimary = kTRUE;
ce60a136	101	}
ce60a136	102
ce60a136	103	if (lfirst) {
4aba9d66	104	SOURCM.tkesum = zerzer;
	105	lfirst = false;
	106	SOURCM.lussrc = true;
ce60a136	107	} else {
	108	//
	109	// Post-track actions for primary track
	110	//
4aba9d66	111	if (particleIsPrimary) {
	112	TVirtualMCApplication::Instance()->PostTrack();
	113	TVirtualMCApplication::Instance()->FinishPrimary();
	114	if ((itrack%10)==0)
	115	cout << "=== TRACKING PRIMARY "<< itrack <<" ===" << endl;
	116	//printf("=== TRACKING PRIMARY %d ===\n", itrack);
	117	}
ce60a136	118	}
b9d0a01d	119
b496f27c	120	// Exit if itrack is negative (-1). Set lsouit to false to mark last track for this event
ce60a136	121
b9d0a01d	122	if (itrack<0) {
b9d0a01d	123	nomore = 1;
81f1d030	124	SOURCM.lsouit = false;
2bc4c610	125	if (debug) {
81f1d030	126	cout << "\t* SOURCM.lsouit = " << (SOURCM.lsouit?'T':'F') << endl;
2bc4c610	127	cout << "\t* No more particles. Exiting..." << endl;
	128	cout << "<== source(" << nomore << ")" << endl;
	129	}
b9d0a01d	130	return;
b9d0a01d	131	}
ce60a136	132
b496f27c	133	//
	134	// Handle user event abortion
	135	if (fluka->EventIsStopped()) {
4aba9d66	136	printf("Event has been stopped by user !");
	137	fluka->SetStopEvent(kFALSE);
	138	nomore = 1;
	139	SOURCM.lsouit = false;
	140	return;
b496f27c	141	}
b496f27c	142
b9d0a01d	143	//Get some info about the particle and print it
ce60a136	144	//
	145	//pdg code
	146	Int_t pdg = particle->GetPdgCode();
b9d0a01d	147	TVector3 polarisation;
b9d0a01d	148	particle->GetPolarisation(polarisation);
2bc4c610	149	if (debug) {
	150	cout << "\t* Particle " << itrack << " retrieved..." << endl;
	151	cout << "\t\t+ Name = " << particle->GetName() << endl;
	152	cout << "\t\t+ PDG/Fluka code = " << pdg
4aba9d66	153	<< " / " << fluka->IdFromPDG(pdg) << endl;
2bc4c610	154	cout << "\t\t+ P = ("
4aba9d66	155	<< particle->Px() << " , "
	156	<< particle->Py() << " , "
	157	<< particle->Pz() << " ) --> "
	158	<< particle->P() << " GeV "
	159	<< particle->Energy() << " GeV "
	160	<< particle->GetMass() << " GeV " << endl;
2bc4c610	161	}
81f1d030	162	/* Npflka is the stack counter: of course any time source is called it
b9d0a01d	163	* must be =0
b9d0a01d	164	*/
cfd35035	165	/* Cosines (tx,ty,tz)*/
	166	Double_t cosx = particle->Px()/particle->P();
	167	Double_t cosy = particle->Py()/particle->P();
160d6d40	168	Double_t cosxy = cosx * cosx + cosy * cosy;
	169	Double_t cosz;
	170
	171	if (cosxy < 1.) {
	172	cosz = TMath::Sqrt(oneone - cosxy);
	173	} else {
	174	cosx /= TMath::Sqrt(cosxy);
	175	cosy /= TMath::Sqrt(cosxy);
	176	cosz = 0.;
	177	}
	178
	179
	180
cfd35035	181	if (particle->Pz() < 0.) cosz = -cosz;
ce60a136	182
cfd35035	183	if (pdg != 50000050 && pdg != 50000051) {
4aba9d66	184	FLKSTK.npflka++;
	185	Int_t ifl = fluka-> IdFromPDG(pdg);
	186	FLKSTK.iloflk[FLKSTK.npflka] = ifl;
	187	/* Wtflk is the weight of the particle*/
	188	FLKSTK.wtflk[FLKSTK.npflka] = oneone;
	189	SUMCOU.weipri += FLKSTK.wtflk[FLKSTK.npflka];
	190
	191	FLKSTK.loflk[FLKSTK.npflka] = 1;
	192
	193	/* User dependent flag:*/
	194	FLKSTK.louse[FLKSTK.npflka] = 0;
	195
	196	/* User dependent spare variables:*/
	197	Int_t ispr = 0;
	198	for (ispr = 0; ispr < mkbmx1; ispr++)
	199	FLKSTK.sparek[FLKSTK.npflka][ispr] = zerzer;
	200
	201	/* User dependent spare flags:*/
	202	for (ispr = 0; ispr < mkbmx2; ispr++)
	203	FLKSTK.ispark[FLKSTK.npflka][ispr] = 0;
	204
	205	/* Save the track number of the stack particle:*/
	206	FLKSTK.ispark[FLKSTK.npflka][mkbmx2-1] = itrack;
	207	FLKSTK.nparma++;
	208	FLKSTK.numpar[FLKSTK.npflka] = FLKSTK.nparma;
	209	FLKSTK.nevent[FLKSTK.npflka] = 0;
	210	FLKSTK.dfnear[FLKSTK.npflka] = +zerzer;
	211
	212	/* Particle age (s)*/
	213	FLKSTK.agestk[FLKSTK.npflka] = +zerzer;
	214	FLKSTK.cmpath[FLKSTK.npflka] = +zerzer;
	215	FLKSTK.aknshr[FLKSTK.npflka] = -twotwo;
	216
	217	/* Group number for "low" energy neutrons, set to 0 anyway*/
	218	FLKSTK.igroup[FLKSTK.npflka] = 0;
	219
	220	/* Kinetic energy */
	221	Double_t p = particle->P();
	222	Double_t mass = PAPROP.am[ifl + 6];
	223	FLKSTK.tkeflk[FLKSTK.npflka] = TMath::Sqrt( p * p + mass * mass) - mass;
	224	/* Particle momentum*/
	225	FLKSTK.pmoflk [FLKSTK.npflka] = p;
	226
	227	FLKSTK.txflk [FLKSTK.npflka] = cosx;
	228	FLKSTK.tyflk [FLKSTK.npflka] = cosy;
	229	FLKSTK.tzflk [FLKSTK.npflka] = cosz;
b9d0a01d	230
4aba9d66	231	/* Polarization cosines:*/
	232	if (polarisation.Mag()) {
	233	Double_t cospolx = polarisation.Px() / polarisation.Mag();
	234	Double_t cospoly = polarisation.Py() / polarisation.Mag();
	235	Double_t cospolz = sqrt(oneone - cospolx * cospolx - cospoly * cospoly);
	236	FLKSTK.txpol [FLKSTK.npflka] = cospolx;
	237	FLKSTK.typol [FLKSTK.npflka] = cospoly;
	238	FLKSTK.tzpol [FLKSTK.npflka] = cospolz;
	239	}
	240	else {
	241	FLKSTK.txpol [FLKSTK.npflka] = -twotwo;
	242	FLKSTK.typol [FLKSTK.npflka] = +zerzer;
	243	FLKSTK.tzpol [FLKSTK.npflka] = +zerzer;
	244	}
	245
	246	/* Particle coordinates*/
	247	// Vertext coordinates;
	248	FLKSTK.xflk [FLKSTK.npflka] = particle->Vx();
	249	FLKSTK.yflk [FLKSTK.npflka] = particle->Vy();
	250	FLKSTK.zflk [FLKSTK.npflka] = particle->Vz();
	251
	252	/* Calculate the total kinetic energy of the primaries: don't change*/
	253	Int_t st_ilo = FLKSTK.iloflk[FLKSTK.npflka];
	254	if ( st_ilo != 0 )
	255	SOURCM.tkesum +=
	256	((FLKSTK.tkeflk[FLKSTK.npflka] + PAPROP.amdisc[st_ilo+6])
	257	* FLKSTK.wtflk[FLKSTK.npflka]);
	258	else
	259	SOURCM.tkesum += (FLKSTK.tkeflk[FLKSTK.npflka] * FLKSTK.wtflk[FLKSTK.npflka]);
	260
	261	/* Here we ask for the region number of the hitting point.
	262	* NRGFLK (LFLKSTK) = ...
	263	* The following line makes the starting region search much more
	264	* robust if particles are starting very close to a boundary:
	265	*/
	266	geocrs( FLKSTK.txflk[FLKSTK.npflka],
	267	FLKSTK.tyflk[FLKSTK.npflka],
	268	FLKSTK.tzflk[FLKSTK.npflka] );
b9d0a01d	269
4aba9d66	270	Int_t idisc;
	271
	272	georeg ( FLKSTK.xflk[FLKSTK.npflka],
	273	FLKSTK.yflk[FLKSTK.npflka],
	274	FLKSTK.zflk[FLKSTK.npflka],
	275	FLKSTK.nrgflk[FLKSTK.npflka],
	276	idisc);//<-- dummy return variable not used
	277	/* Do not change these cards:*/
	278	Int_t igeohsm1 = 1;
	279	Int_t igeohsm2 = -11;
	280	geohsm ( FLKSTK.nhspnt[FLKSTK.npflka], igeohsm1, igeohsm2, LTCLCM.mlattc );
	281	FLKSTK.nlattc[FLKSTK.npflka] = LTCLCM.mlattc;
	282	soevsv();
cfd35035	283	} else {
b496f27c	284	//
4aba9d66	285	// Next particle is optical photon
	286	//
	287	OPPHST.lstopp++;
	288	OPPHST.donear [OPPHST.lstopp - 1] = 0.;
	289
	290	OPPHST.xoptph [OPPHST.lstopp - 1] = particle->Vx();
	291	OPPHST.yoptph [OPPHST.lstopp - 1] = particle->Vy();
	292	OPPHST.zoptph [OPPHST.lstopp - 1] = particle->Vz();
	293
	294	OPPHST.txopph [OPPHST.lstopp - 1] = cosx;
	295	OPPHST.tyopph [OPPHST.lstopp - 1] = cosy;
	296	OPPHST.tzopph [OPPHST.lstopp - 1] = cosz;
	297
	298
	299	if (polarisation.Mag()) {
	300	Double_t cospolx = polarisation.Px() / polarisation.Mag();
	301	Double_t cospoly = polarisation.Py() / polarisation.Mag();
	302	Double_t cospolz = sqrt(oneone - cospolx * cospolx - cospoly * cospoly);
	303	OPPHST.txpopp [OPPHST.lstopp - 1] = cospolx;
	304	OPPHST.typopp [OPPHST.lstopp - 1] = cospoly;
	305	OPPHST.tzpopp [OPPHST.lstopp - 1] = cospolz;
	306	}
	307	else {
	308	OPPHST.txpopp [OPPHST.lstopp - 1] = -twotwo;
	309	OPPHST.typopp [OPPHST.lstopp - 1] = +zerzer;
	310	OPPHST.tzpopp [OPPHST.lstopp - 1] = +zerzer;
	311	}
	312
	313	geocrs( OPPHST.txopph[OPPHST.lstopp - 1],
	314	OPPHST.tyopph[OPPHST.lstopp - 1],
	315	OPPHST.tzopph[OPPHST.lstopp - 1] );
	316
	317	Int_t idisc;
	318
	319	georeg ( OPPHST.xoptph[OPPHST.lstopp - 1],
	320	OPPHST.yoptph[OPPHST.lstopp - 1],
	321	OPPHST.zoptph[OPPHST.lstopp - 1],
	322	OPPHST.nregop[OPPHST.lstopp - 1],
	323	idisc);//<-- dummy return variable not used
	324
	325	OPPHST.wtopph [OPPHST.lstopp - 1] = particle->GetWeight();
	326	OPPHST.poptph [OPPHST.lstopp - 1] = particle->P();
	327	OPPHST.agopph [OPPHST.lstopp - 1] = particle->T();
	328	OPPHST.cmpopp [OPPHST.lstopp - 1] = +zerzer;
	329	OPPHST.loopph [OPPHST.lstopp - 1] = 0;
	330	OPPHST.louopp [OPPHST.lstopp - 1] = itrack;
	331	OPPHST.nlatop [OPPHST.lstopp - 1] = LTCLCM.mlattc;
	332	}
	333
ce60a136	334	//
	335	// Pre-track actions at for primary tracks
	336	//
	337	if (particleIsPrimary) {
5cc3d37e	338	fluka->SetCaller(kSODRAW);
4aba9d66	339	TVirtualMCApplication::Instance()->BeginPrimary();
4aba9d66	340	TVirtualMCApplication::Instance()->PreTrack();
ce60a136	341	}
ce60a136	342	//
2bc4c610	343	if (debug) cout << "<== source(" << nomore << ")" << endl;
b9d0a01d	344	}
b9d0a01d	345	}