1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
19 // Realisation of the TVirtualMC interface for the FLUKA code
20 // (See official web side http://www.fluka.org/).
22 // This implementation makes use of the TGeo geometry modeller.
23 // User configuration is via automatic generation of FLUKA input cards.
32 #include <Riostream.h>
36 #include "TFlukaCodes.h"
37 #include "TCallf77.h" //For the fortran calls
38 #include "Fdblprc.h" //(DBLPRC) fluka common
39 #include "Fsourcm.h" //(SOURCM) fluka common
40 #include "Fgenstk.h" //(GENSTK) fluka common
41 #include "Fiounit.h" //(IOUNIT) fluka common
42 #include "Fpaprop.h" //(PAPROP) fluka common
43 #include "Fpart.h" //(PART) fluka common
44 #include "Ftrackr.h" //(TRACKR) fluka common
45 #include "Fpaprop.h" //(PAPROP) fluka common
46 #include "Ffheavy.h" //(FHEAVY) fluka common
47 #include "Fopphst.h" //(OPPHST) fluka common
48 #include "Fflkstk.h" //(FLKSTK) fluka common
49 #include "Fstepsz.h" //(STEPSZ) fluka common
50 #include "Fopphst.h" //(OPPHST) fluka common
51 #include "Fltclcm.h" //(LTCLCM) fluka common
52 #include "Falldlt.h" //(ALLDLT) fluka common
54 #include "TVirtualMC.h"
55 #include "TMCProcess.h"
56 #include "TGeoManager.h"
57 #include "TGeoMaterial.h"
58 #include "TGeoMedium.h"
59 #include "TFlukaMCGeometry.h"
60 #include "TGeoMCGeometry.h"
61 #include "TFlukaCerenkov.h"
62 #include "TFlukaConfigOption.h"
63 #include "TFlukaScoringOption.h"
64 #include "TLorentzVector.h"
67 #include "TDatabasePDG.h"
68 #include "TStopwatch.h"
71 // Fluka methods that may be needed.
73 # define flukam flukam_
74 # define fluka_openinp fluka_openinp_
75 # define fluka_openout fluka_openout_
76 # define fluka_closeinp fluka_closeinp_
77 # define mcihad mcihad_
78 # define mpdgha mpdgha_
79 # define newplo newplo_
80 # define genout genout_
81 # define flkend flkend_
83 # define flukam FLUKAM
84 # define fluka_openinp FLUKA_OPENINP
85 # define fluka_openout FLUKA_OPENOUT
86 # define fluka_closeinp FLUKA_CLOSEINP
87 # define mcihad MCIHAD
88 # define mpdgha MPDGHA
89 # define newplo NEWPLO
90 # define genout GENOUT
91 # define flkend FLKEND
97 // Prototypes for FLUKA functions
99 void type_of_call flukam(const int&);
100 void type_of_call newplo();
101 void type_of_call genout();
102 void type_of_call flkend();
103 void type_of_call fluka_openinp(const int&, DEFCHARA);
104 void type_of_call fluka_openout(const int&, DEFCHARA);
105 void type_of_call fluka_closeinp(const int&);
106 int type_of_call mcihad(const int&);
107 int type_of_call mpdgha(const int&);
111 // Class implementation for ROOT
116 //----------------------------------------------------------------------------
117 // TFluka constructors and destructors.
118 //______________________________________________________________________________
124 fCoreInputFileName(""),
132 fTrackIsEntering(kFALSE),
133 fTrackIsExiting(kFALSE),
136 fDummyBoundary(kFALSE),
140 fPrimaryElectronIndex(-1),
143 fCurrentFlukaRegion(-1),
151 // Default constructor
153 for (Int_t i = 0; i < 4; i++) fPint[i] = 0.;
156 //______________________________________________________________________________
157 TFluka::TFluka(const char *title, Int_t verbosity, Bool_t isRootGeometrySupported)
158 :TVirtualMC("TFluka",title, isRootGeometrySupported),
159 fVerbosityLevel(verbosity),
162 fCoreInputFileName(""),
170 fTrackIsEntering(kFALSE),
171 fTrackIsExiting(kFALSE),
174 fDummyBoundary(kFALSE),
178 fPrimaryElectronIndex(-1),
181 fCurrentFlukaRegion(-1),
185 fUserConfig(new TObjArray(100)),
186 fUserScore(new TObjArray(100))
188 // create geometry interface
189 for (Int_t i = 0; i < 4; i++) fPint[i] = 0.;
191 if (fVerbosityLevel >=3)
192 cout << "<== TFluka::TFluka(" << title << ") constructor called." << endl;
193 SetCoreInputFileName();
195 fMCGeo = new TGeoMCGeometry("MCGeo", "TGeo Implementation of VirtualMCGeometry", kFALSE);
196 fGeom = new TFlukaMCGeometry("geom", "FLUKA VMC Geometry");
197 if (verbosity > 2) fGeom->SetDebugMode(kTRUE);
201 //______________________________________________________________________________
205 if (fVerbosityLevel >=3)
206 cout << "<== TFluka::~TFluka() destructor called." << endl;
207 if (fMaterials) delete [] fMaterials;
213 fUserConfig->Delete();
218 fUserScore->Delete();
224 //______________________________________________________________________________
225 // TFluka control methods
226 //______________________________________________________________________________
227 void TFluka::Init() {
229 // Geometry initialisation
231 if (fVerbosityLevel >=3) cout << "==> TFluka::Init() called." << endl;
233 if (!gGeoManager) new TGeoManager("geom", "FLUKA geometry");
234 fApplication->ConstructGeometry();
235 if (!gGeoManager->IsClosed()) {
236 TGeoVolume *top = (TGeoVolume*)gGeoManager->GetListOfVolumes()->First();
237 gGeoManager->SetTopVolume(top);
238 gGeoManager->CloseGeometry("di");
240 TGeoNodeCache *cache = gGeoManager->GetCache();
241 if (!cache->HasIdArray()) {
242 Warning("Init", "Node ID tracking must be enabled with TFluka: enabling...\n");
243 cache->BuildIdArray();
246 fNVolumes = fGeom->NofVolumes();
247 fGeom->CreateFlukaMatFile("flukaMat.inp");
248 if (fVerbosityLevel >=3) {
249 printf("== Number of volumes: %i\n ==", fNVolumes);
250 cout << "\t* InitPhysics() - Prepare input file to be called" << endl;
253 fApplication->InitGeometry();
254 fApplication->ConstructOpGeometry();
256 // Add ions to PDG Data base
258 AddParticlesToPdgDataBase();
263 //______________________________________________________________________________
264 void TFluka::FinishGeometry() {
266 // Build-up table with region to medium correspondance
268 if (fVerbosityLevel >=3) {
269 cout << "==> TFluka::FinishGeometry() called." << endl;
270 printf("----FinishGeometry - applying misalignment if any\n");
271 cout << "<== TFluka::FinishGeometry() called." << endl;
273 TVirtualMCApplication::Instance()->MisalignGeometry();
276 //______________________________________________________________________________
277 void TFluka::BuildPhysics() {
279 // Prepare FLUKA input files and call FLUKA physics initialisation
282 if (fVerbosityLevel >=3)
283 cout << "==> TFluka::BuildPhysics() called." << endl;
286 if (fVerbosityLevel >=3) {
287 TList *medlist = gGeoManager->GetListOfMedia();
289 TGeoMedium* med = 0x0;
290 TGeoMaterial* mat = 0x0;
293 while((med = (TGeoMedium*)next()))
295 mat = med->GetMaterial();
296 printf("Medium %5d %12s %5d %5d\n", ic, (med->GetName()), med->GetId(), mat->GetIndex());
302 // Prepare input file with the current physics settings
305 // Open fortran files
306 const char* fname = fInputFileName;
307 fluka_openinp(lunin, PASSCHARA(fname));
308 fluka_openout(11, PASSCHARA("fluka.out"));
310 cout << "==> TFluka::BuildPhysics() Read input cards." << endl;
313 GLOBAL.lfdrtr = true;
315 cout << "<== TFluka::BuildPhysics() Read input cards End"
316 << Form(" R:%.2fs C:%.2fs", timer.RealTime(),timer.CpuTime()) << endl;
318 fluka_closeinp(lunin);
323 //______________________________________________________________________________
324 void TFluka::ProcessEvent() {
329 Warning("ProcessEvent", "User Run Abortion: No more events handled !\n");
334 if (fVerbosityLevel >=3)
335 cout << "==> TFluka::ProcessEvent() called." << endl;
336 fApplication->GeneratePrimaries();
337 SOURCM.lsouit = true;
339 if (fVerbosityLevel >=3)
340 cout << "<== TFluka::ProcessEvent() called." << endl;
342 // Increase event number
347 //______________________________________________________________________________
348 Bool_t TFluka::ProcessRun(Int_t nevent) {
353 if (fVerbosityLevel >=3)
354 cout << "==> TFluka::ProcessRun(" << nevent << ") called."
357 if (fVerbosityLevel >=2) {
358 cout << "\t* GLOBAL.fdrtr = " << (GLOBAL.lfdrtr?'T':'F') << endl;
359 cout << "\t* Calling flukam again..." << endl;
362 Int_t todo = TMath::Abs(nevent);
363 for (Int_t ev = 0; ev < todo; ev++) {
366 fApplication->BeginEvent();
368 fApplication->FinishEvent();
369 cout << "Event: "<< ev
370 << Form(" R:%.2fs C:%.2fs", timer.RealTime(),timer.CpuTime()) << endl;
373 if (fVerbosityLevel >=3)
374 cout << "<== TFluka::ProcessRun(" << nevent << ") called."
377 // Write fluka specific scoring output
385 //_____________________________________________________________________________
386 // methods for building/management of geometry
388 // functions from GCONS
389 //____________________________________________________________________________
390 void TFluka::Gfmate(Int_t imat, char *name, Float_t &a, Float_t &z,
391 Float_t &dens, Float_t &radl, Float_t &absl,
392 Float_t* /*ubuf*/, Int_t& /*nbuf*/) {
395 TIter next (gGeoManager->GetListOfMaterials());
396 while ((mat = (TGeoMaterial*)next())) {
397 if (mat->GetUniqueID() == (UInt_t)imat) break;
400 Error("Gfmate", "no material with index %i found", imat);
403 sprintf(name, "%s", mat->GetName());
406 dens = mat->GetDensity();
407 radl = mat->GetRadLen();
408 absl = mat->GetIntLen();
411 //______________________________________________________________________________
412 void TFluka::Gfmate(Int_t imat, char *name, Double_t &a, Double_t &z,
413 Double_t &dens, Double_t &radl, Double_t &absl,
414 Double_t* /*ubuf*/, Int_t& /*nbuf*/) {
417 TIter next (gGeoManager->GetListOfMaterials());
418 while ((mat = (TGeoMaterial*)next())) {
419 if (mat->GetUniqueID() == (UInt_t)imat) break;
422 Error("Gfmate", "no material with index %i found", imat);
425 sprintf(name, "%s", mat->GetName());
428 dens = mat->GetDensity();
429 radl = mat->GetRadLen();
430 absl = mat->GetIntLen();
433 // detector composition
434 //______________________________________________________________________________
435 void TFluka::Material(Int_t& kmat, const char* name, Double_t a,
436 Double_t z, Double_t dens, Double_t radl, Double_t absl,
437 Float_t* buf, Int_t nwbuf) {
439 Double_t* dbuf = fGeom->CreateDoubleArray(buf, nwbuf);
440 Material(kmat, name, a, z, dens, radl, absl, dbuf, nwbuf);
444 //______________________________________________________________________________
445 void TFluka::Material(Int_t& kmat, const char* name, Double_t a,
446 Double_t z, Double_t dens, Double_t radl, Double_t absl,
447 Double_t* /*buf*/, Int_t /*nwbuf*/) {
451 kmat = gGeoManager->GetListOfMaterials()->GetSize();
452 if ((z-Int_t(z)) > 1E-3) {
453 mat = fGeom->GetMakeWrongMaterial(z);
455 mat->SetRadLen(radl,absl);
456 mat->SetUniqueID(kmat);
460 gGeoManager->Material(name, a, z, dens, kmat, radl, absl);
463 //______________________________________________________________________________
464 void TFluka::Mixture(Int_t& kmat, const char *name, Float_t *a,
465 Float_t *z, Double_t dens, Int_t nlmat, Float_t *wmat) {
467 // Define a material mixture
469 Double_t* da = fGeom->CreateDoubleArray(a, TMath::Abs(nlmat));
470 Double_t* dz = fGeom->CreateDoubleArray(z, TMath::Abs(nlmat));
471 Double_t* dwmat = fGeom->CreateDoubleArray(wmat, TMath::Abs(nlmat));
473 Mixture(kmat, name, da, dz, dens, nlmat, dwmat);
474 for (Int_t i=0; i<nlmat; i++) {
475 a[i] = da[i]; z[i] = dz[i]; wmat[i] = dwmat[i];
483 //______________________________________________________________________________
484 void TFluka::Mixture(Int_t& kmat, const char *name, Double_t *a,
485 Double_t *z, Double_t dens, Int_t nlmat, Double_t *wmat) {
487 // Defines mixture OR COMPOUND IMAT as composed by
488 // THE BASIC NLMAT materials defined by arrays A,Z and WMAT
490 // If NLMAT > 0 then wmat contains the proportion by
491 // weights of each basic material in the mixture.
493 // If nlmat < 0 then WMAT contains the number of atoms
494 // of a given kind into the molecule of the COMPOUND
495 // In this case, WMAT in output is changed to relative
498 printf("Mixture %5d %10s %5d \n", kmat, name, nlmat);
504 for (i=0;i<nlmat;i++) {
505 amol += a[i]*wmat[i];
507 for (i=0;i<nlmat;i++) {
508 wmat[i] *= a[i]/amol;
511 kmat = gGeoManager->GetListOfMaterials()->GetSize();
512 // Check if we have elements with fractional Z
513 TGeoMaterial *mat = 0;
514 TGeoMixture *mix = 0;
515 Bool_t mixnew = kFALSE;
516 for (i=0; i<nlmat; i++) {
517 if (z[i]-Int_t(z[i]) < 1E-3) continue;
518 // We have found an element with fractional Z -> loop mixtures to look for it
519 for (j=0; j<kmat; j++) {
520 mat = (TGeoMaterial*)gGeoManager->GetListOfMaterials()->At(j);
522 if (!mat->IsMixture()) continue;
523 mix = (TGeoMixture*)mat;
524 if (TMath::Abs(z[i]-mix->GetZ()) >1E-3) continue;
528 if (!mixnew) Warning("Mixture","%s : cannot find component %i with fractional Z=%f\n", name, i, z[i]);
532 Int_t nlmatnew = nlmat+mix->GetNelements()-1;
533 Double_t *anew = new Double_t[nlmatnew];
534 Double_t *znew = new Double_t[nlmatnew];
535 Double_t *wmatnew = new Double_t[nlmatnew];
537 for (j=0; j<nlmat; j++) {
541 wmatnew[ind] = wmat[j];
544 for (j=0; j<mix->GetNelements(); j++) {
545 anew[ind] = mix->GetAmixt()[j];
546 znew[ind] = mix->GetZmixt()[j];
547 wmatnew[ind] = wmat[i]*mix->GetWmixt()[j];
550 Mixture(kmat, name, anew, znew, dens, nlmatnew, wmatnew);
556 // Now we need to compact identical elements within the mixture
557 // First check if this happens
559 for (i=0; i<nlmat-1; i++) {
560 for (j=i+1; j<nlmat; j++) {
570 Double_t *anew = new Double_t[nlmat];
571 Double_t *znew = new Double_t[nlmat];
572 memset(znew, 0, nlmat*sizeof(Double_t));
573 Double_t *wmatnew = new Double_t[nlmat];
575 for (i=0; i<nlmat; i++) {
577 for (j=0; j<nlmatnew; j++) {
579 wmatnew[j] += wmat[i];
585 anew[nlmatnew] = a[i];
586 znew[nlmatnew] = z[i];
587 wmatnew[nlmatnew] = wmat[i];
590 Mixture(kmat, name, anew, znew, dens, nlmatnew, wmatnew);
596 printf("Mixture (2) %5d %10s %5d \n", kmat, name, nlmat);
597 gGeoManager->Mixture(name, a, z, dens, nlmat, wmat, kmat);
600 //______________________________________________________________________________
601 void TFluka::Medium(Int_t& kmed, const char *name, Int_t nmat,
602 Int_t isvol, Int_t ifield, Double_t fieldm, Double_t tmaxfd,
603 Double_t stemax, Double_t deemax, Double_t epsil,
604 Double_t stmin, Float_t* ubuf, Int_t nbuf) {
607 kmed = gGeoManager->GetListOfMedia()->GetSize()+1;
608 fMCGeo->Medium(kmed, name, nmat, isvol, ifield, fieldm, tmaxfd, stemax, deemax,
609 epsil, stmin, ubuf, nbuf);
612 //______________________________________________________________________________
613 void TFluka::Medium(Int_t& kmed, const char *name, Int_t nmat,
614 Int_t isvol, Int_t ifield, Double_t fieldm, Double_t tmaxfd,
615 Double_t stemax, Double_t deemax, Double_t epsil,
616 Double_t stmin, Double_t* ubuf, Int_t nbuf) {
619 kmed = gGeoManager->GetListOfMedia()->GetSize()+1;
620 fMCGeo->Medium(kmed, name, nmat, isvol, ifield, fieldm, tmaxfd, stemax, deemax,
621 epsil, stmin, ubuf, nbuf);
624 //______________________________________________________________________________
625 void TFluka::Matrix(Int_t& krot, Double_t thetaX, Double_t phiX,
626 Double_t thetaY, Double_t phiY, Double_t thetaZ,
629 krot = gGeoManager->GetListOfMatrices()->GetEntriesFast();
630 fMCGeo->Matrix(krot, thetaX, phiX, thetaY, phiY, thetaZ, phiZ);
633 //______________________________________________________________________________
634 void TFluka::Gstpar(Int_t itmed, const char* param, Double_t parval) {
638 Bool_t process = kFALSE;
639 Bool_t modelp = kFALSE;
641 if (strncmp(param, "DCAY", 4) == 0 ||
642 strncmp(param, "PAIR", 4) == 0 ||
643 strncmp(param, "COMP", 4) == 0 ||
644 strncmp(param, "PHOT", 4) == 0 ||
645 strncmp(param, "PFIS", 4) == 0 ||
646 strncmp(param, "DRAY", 4) == 0 ||
647 strncmp(param, "ANNI", 4) == 0 ||
648 strncmp(param, "BREM", 4) == 0 ||
649 strncmp(param, "MUNU", 4) == 0 ||
650 strncmp(param, "CKOV", 4) == 0 ||
651 strncmp(param, "HADR", 4) == 0 ||
652 strncmp(param, "LOSS", 4) == 0 ||
653 strncmp(param, "MULS", 4) == 0 ||
654 strncmp(param, "RAYL", 4) == 0)
659 if (strncmp(param, "PRIMIO_N", 8) == 0 ||
660 strncmp(param, "PRIMIO_E", 8) == 0)
667 SetProcess(param, Int_t (parval), itmed);
670 SetModelParameter(param, parval, itmed);
673 SetCut(param, parval, itmed);
679 // functions from GGEOM
680 //_____________________________________________________________________________
681 void TFluka::Gsatt(const char *name, const char *att, Int_t val)
683 // Set visualisation attributes for one volume
685 fGeom->Vname(name,vname);
687 fGeom->Vname(att,vatt);
688 gGeoManager->SetVolumeAttribute(vname, vatt, val);
691 //______________________________________________________________________________
692 Int_t TFluka::Gsvolu(const char *name, const char *shape, Int_t nmed,
693 Float_t *upar, Int_t np) {
695 return fMCGeo->Gsvolu(name, shape, nmed, upar, np);
698 //______________________________________________________________________________
699 Int_t TFluka::Gsvolu(const char *name, const char *shape, Int_t nmed,
700 Double_t *upar, Int_t np) {
702 return fMCGeo->Gsvolu(name, shape, nmed, upar, np);
705 //______________________________________________________________________________
706 void TFluka::Gsdvn(const char *name, const char *mother, Int_t ndiv,
709 fMCGeo->Gsdvn(name, mother, ndiv, iaxis);
712 //______________________________________________________________________________
713 void TFluka::Gsdvn2(const char *name, const char *mother, Int_t ndiv,
714 Int_t iaxis, Double_t c0i, Int_t numed) {
716 fMCGeo->Gsdvn2(name, mother, ndiv, iaxis, c0i, numed);
719 //______________________________________________________________________________
720 void TFluka::Gsdvt(const char *name, const char *mother, Double_t step,
721 Int_t iaxis, Int_t numed, Int_t ndvmx) {
723 fMCGeo->Gsdvt(name, mother, step, iaxis, numed, ndvmx);
726 //______________________________________________________________________________
727 void TFluka::Gsdvt2(const char *name, const char *mother, Double_t step,
728 Int_t iaxis, Double_t c0, Int_t numed, Int_t ndvmx) {
730 fMCGeo->Gsdvt2(name, mother, step, iaxis, c0, numed, ndvmx);
733 //______________________________________________________________________________
734 void TFluka::Gsord(const char * /*name*/, Int_t /*iax*/) {
736 // Nothing to do with TGeo
739 //______________________________________________________________________________
740 void TFluka::Gspos(const char *name, Int_t nr, const char *mother,
741 Double_t x, Double_t y, Double_t z, Int_t irot,
744 fMCGeo->Gspos(name, nr, mother, x, y, z, irot, konly);
747 //______________________________________________________________________________
748 void TFluka::Gsposp(const char *name, Int_t nr, const char *mother,
749 Double_t x, Double_t y, Double_t z, Int_t irot,
750 const char *konly, Float_t *upar, Int_t np) {
752 fMCGeo->Gsposp(name, nr, mother, x, y, z, irot, konly, upar, np);
755 //______________________________________________________________________________
756 void TFluka::Gsposp(const char *name, Int_t nr, const char *mother,
757 Double_t x, Double_t y, Double_t z, Int_t irot,
758 const char *konly, Double_t *upar, Int_t np) {
760 fMCGeo->Gsposp(name, nr, mother, x, y, z, irot, konly, upar, np);
763 //______________________________________________________________________________
764 void TFluka::Gsbool(const char* /*onlyVolName*/, const char* /*manyVolName*/) {
766 // Nothing to do with TGeo
769 //______________________________________________________________________
770 Bool_t TFluka::GetTransformation(const TString &volumePath,TGeoHMatrix &mat)
772 // Returns the Transformation matrix between the volume specified
773 // by the path volumePath and the Top or mater volume. The format
774 // of the path volumePath is as follows (assuming ALIC is the Top volume)
775 // "/ALIC_1/DDIP_1/S05I_2/S05H_1/S05G_3". Here ALIC is the top most
776 // or master volume which has only 1 instance of. Of all of the daughter
777 // volumes of ALICE, DDIP volume copy #1 is indicated. Similarly for
778 // the daughter volume of DDIP is S05I copy #2 and so on.
780 // TString& volumePath The volume path to the specific volume
781 // for which you want the matrix. Volume name
782 // hierarchy is separated by "/" while the
783 // copy number is appended using a "_".
785 // TGeoHMatrix &mat A matrix with its values set to those
786 // appropriate to the Local to Master transformation
788 // A logical value if kFALSE then an error occurred and no change to
791 // We have to preserve the modeler state
792 return fMCGeo->GetTransformation(volumePath, mat);
795 //______________________________________________________________________
796 Bool_t TFluka::GetShape(const TString &volumePath,TString &shapeType,
799 // Returns the shape and its parameters for the volume specified
802 // TString& volumeName The volume name
804 // TString &shapeType Shape type
805 // TArrayD &par A TArrayD of parameters with all of the
806 // parameters of the specified shape.
808 // A logical indicating whether there was an error in getting this
810 return fMCGeo->GetShape(volumePath, shapeType, par);
813 //______________________________________________________________________
814 Bool_t TFluka::GetMaterial(const TString &volumeName,
815 TString &name,Int_t &imat,
816 Double_t &a,Double_t &z,Double_t &dens,
817 Double_t &radl,Double_t &inter,TArrayD &par)
819 // Returns the Material and its parameters for the volume specified
821 // Note, Geant3 stores and uses mixtures as an element with an effective
822 // Z and A. Consequently, if the parameter Z is not integer, then
823 // this material represents some sort of mixture.
825 // TString& volumeName The volume name
827 // TSrting &name Material name
828 // Int_t &imat Material index number
829 // Double_t &a Average Atomic mass of material
830 // Double_t &z Average Atomic number of material
831 // Double_t &dens Density of material [g/cm^3]
832 // Double_t &radl Average radiation length of material [cm]
833 // Double_t &inter Average interaction length of material [cm]
834 // TArrayD &par A TArrayD of user defined parameters.
836 // kTRUE if no errors
837 return fMCGeo->GetMaterial(volumeName,name,imat,a,z,dens,radl,inter,par);
840 //______________________________________________________________________
841 Bool_t TFluka::GetMedium(const TString &volumeName,TString &name,
842 Int_t &imed,Int_t &nmat,Int_t &isvol,Int_t &ifield,
843 Double_t &fieldm,Double_t &tmaxfd,Double_t &stemax,
844 Double_t &deemax,Double_t &epsil, Double_t &stmin,
847 // Returns the Medium and its parameters for the volume specified
850 // TString& volumeName The volume name.
852 // TString &name Medium name
853 // Int_t &nmat Material number defined for this medium
854 // Int_t &imed The medium index number
855 // Int_t &isvol volume number defined for this medium
856 // Int_t &iflield Magnetic field flag
857 // Double_t &fieldm Magnetic field strength
858 // Double_t &tmaxfd Maximum angle of deflection per step
859 // Double_t &stemax Maximum step size
860 // Double_t &deemax Maximum fraction of energy allowed to be lost
861 // to continuous process.
862 // Double_t &epsil Boundary crossing precision
863 // Double_t &stmin Minimum step size allowed
864 // TArrayD &par A TArrayD of user parameters with all of the
865 // parameters of the specified medium.
867 // kTRUE if there where no errors
868 return fMCGeo->GetMedium(volumeName,name,imed,nmat,isvol,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin,par);
871 //______________________________________________________________________________
872 void TFluka::SetCerenkov(Int_t itmed, Int_t npckov, Float_t* ppckov,
873 Float_t* absco, Float_t* effic, Float_t* rindex) {
875 // Set Cerenkov properties for medium itmed
877 // npckov: number of sampling points
878 // ppckov: energy values
879 // absco: absorption length
880 // effic: quantum efficiency
881 // rindex: refraction index
885 // Create object holding Cerenkov properties
888 TFlukaCerenkov* cerenkovProperties = new TFlukaCerenkov(npckov, ppckov, absco, effic, rindex);
890 // Pass object to medium
891 TGeoMedium* medium = gGeoManager->GetMedium(itmed);
892 medium->SetCerenkovProperties(cerenkovProperties);
895 void TFluka::SetCerenkov(Int_t itmed, Int_t npckov, Float_t* ppckov,
896 Float_t* absco, Float_t* effic, Float_t* rindex, Float_t* rfl) {
898 // Set Cerenkov properties for medium itmed
900 // npckov: number of sampling points
901 // ppckov: energy values
902 // absco: absorption length
903 // effic: quantum efficiency
904 // rindex: refraction index
905 // rfl: reflectivity for boundary to medium itmed
908 // Create object holding Cerenkov properties
910 TFlukaCerenkov* cerenkovProperties = new TFlukaCerenkov(npckov, ppckov, absco, effic, rindex, rfl);
912 // Pass object to medium
913 TGeoMedium* medium = gGeoManager->GetMedium(itmed);
914 medium->SetCerenkovProperties(cerenkovProperties);
918 //______________________________________________________________________________
919 void TFluka::SetCerenkov(Int_t itmed, Int_t npckov, Double_t *ppckov,
920 Double_t *absco, Double_t *effic, Double_t *rindex) {
922 // Set Cerenkov properties for medium itmed
924 // npckov: number of sampling points
925 // ppckov: energy values
926 // absco: absorption length
927 // effic: quantum efficiency
928 // rindex: refraction index
933 Float_t* fppckov = CreateFloatArray(ppckov, npckov);
934 Float_t* fabsco = CreateFloatArray(absco, npckov);
935 Float_t* feffic = CreateFloatArray(effic, npckov);
936 Float_t* frindex = CreateFloatArray(rindex, npckov);
938 SetCerenkov(itmed, npckov, fppckov, fabsco, feffic, frindex);
946 void TFluka::SetCerenkov(Int_t itmed, Int_t npckov, Double_t* ppckov,
947 Double_t* absco, Double_t* effic, Double_t* rindex, Double_t* rfl) {
949 // Set Cerenkov properties for medium itmed
951 // npckov: number of sampling points
952 // ppckov: energy values
953 // absco: absorption length
954 // effic: quantum efficiency
955 // rindex: refraction index
956 // rfl: reflectivity for boundary to medium itmed
960 // // Double_t version
961 Float_t* fppckov = CreateFloatArray(ppckov, npckov);
962 Float_t* fabsco = CreateFloatArray(absco, npckov);
963 Float_t* feffic = CreateFloatArray(effic, npckov);
964 Float_t* frindex = CreateFloatArray(rindex, npckov);
965 Float_t* frfl = CreateFloatArray(rfl, npckov);
967 SetCerenkov(itmed, npckov, fppckov, fabsco, feffic, frindex, frfl);
977 //______________________________________________________________________________
978 void TFluka::WriteEuclid(const char* /*fileName*/, const char* /*topVol*/,
979 Int_t /*number*/, Int_t /*nlevel*/) {
982 Warning("WriteEuclid", "Not implemented !");
987 //_____________________________________________________________________________
988 // methods needed by the stepping
989 //____________________________________________________________________________
991 Int_t TFluka::GetMedium() const {
993 // Get the medium number for the current fluka region
995 if (gGeoManager->IsOutside()) {
998 return (fGeom->GetMedium()); // this I need to check due to remapping !!!
1002 //____________________________________________________________________________
1003 Int_t TFluka::GetDummyRegion() const
1005 // Returns index of the dummy region.
1006 return fGeom->GetDummyRegion();
1009 //____________________________________________________________________________
1010 Int_t TFluka::GetDummyLattice() const
1012 // Returns index of the dummy lattice.
1013 return fGeom->GetDummyLattice();
1016 //____________________________________________________________________________
1017 // particle table usage
1018 // ID <--> PDG transformations
1019 //_____________________________________________________________________________
1020 Int_t TFluka::IdFromPDG(Int_t pdg) const
1023 // Return Fluka code from PDG and pseudo ENDF code
1025 // Catch the feedback photons
1026 if (pdg == 50000051) return (kFLUKAoptical);
1027 // MCIHAD() goes from pdg to fluka internal.
1028 Int_t intfluka = mcihad(pdg);
1029 // KPTOIP array goes from internal to official
1030 return GetFlukaKPTOIP(intfluka);
1033 //______________________________________________________________________________
1034 Int_t TFluka::PDGFromId(Int_t id) const
1037 // Return PDG code and pseudo ENDF code from Fluka code
1038 // Alpha He3 Triton Deuteron gen. ion opt. photon
1039 Int_t idSpecial[6] = {GetIonPdg(2,4), GetIonPdg(2, 3), GetIonPdg(1,3), GetIonPdg(1,2), GetIonPdg(0,0), 50000050};
1040 // IPTOKP array goes from official to internal
1042 if (id == kFLUKAoptical) {
1044 // if (fVerbosityLevel >= 3)
1045 // printf("\n PDGFromId: Cerenkov Photon \n");
1049 if (id == 0 || id < kFLUKAcodemin || id > kFLUKAcodemax) {
1050 if (fVerbosityLevel >= 3)
1051 printf("PDGFromId: Error id = 0 %5d %5d\n", id, fCaller);
1056 Int_t intfluka = GetFlukaIPTOKP(id);
1057 if (intfluka == 0) {
1058 if (fVerbosityLevel >= 3)
1059 printf("PDGFromId: Error intfluka = 0: %d\n", id);
1061 } else if (intfluka < 0) {
1062 if (fVerbosityLevel >= 3)
1063 printf("PDGFromId: Error intfluka < 0: %d\n", id);
1066 // if (fVerbosityLevel >= 3)
1067 // printf("mpdgha called with %d %d \n", id, intfluka);
1068 return mpdgha(intfluka);
1070 // ions and optical photons
1071 return idSpecial[id - kFLUKAcodemin];
1075 void TFluka::StopTrack()
1077 // Set stopping conditions
1078 // Works for photons and charged particles
1082 //_____________________________________________________________________________
1083 // methods for physics management
1084 //____________________________________________________________________________
1089 void TFluka::SetProcess(const char* flagName, Int_t flagValue, Int_t imed)
1091 // Set process user flag for material imat
1094 // Update if already in the list
1096 TIter next(fUserConfig);
1097 TFlukaConfigOption* proc;
1098 while((proc = (TFlukaConfigOption*)next()))
1100 if (proc->Medium() == imed) {
1101 proc->SetProcess(flagName, flagValue);
1105 proc = new TFlukaConfigOption(imed);
1106 proc->SetProcess(flagName, flagValue);
1107 fUserConfig->Add(proc);
1110 //______________________________________________________________________________
1111 Bool_t TFluka::SetProcess(const char* flagName, Int_t flagValue)
1113 // Set process user flag
1116 SetProcess(flagName, flagValue, -1);
1120 //______________________________________________________________________________
1121 void TFluka::SetCut(const char* cutName, Double_t cutValue, Int_t imed)
1123 // Set user cut value for material imed
1125 TIter next(fUserConfig);
1126 TFlukaConfigOption* proc;
1127 while((proc = (TFlukaConfigOption*)next()))
1129 if (proc->Medium() == imed) {
1130 proc->SetCut(cutName, cutValue);
1135 proc = new TFlukaConfigOption(imed);
1136 proc->SetCut(cutName, cutValue);
1137 fUserConfig->Add(proc);
1141 //______________________________________________________________________________
1142 void TFluka::SetModelParameter(const char* parName, Double_t parValue, Int_t imed)
1144 // Set model parameter for material imed
1146 TIter next(fUserConfig);
1147 TFlukaConfigOption* proc;
1148 while((proc = (TFlukaConfigOption*)next()))
1150 if (proc->Medium() == imed) {
1151 proc->SetModelParameter(parName, parValue);
1156 proc = new TFlukaConfigOption(imed);
1157 proc->SetModelParameter(parName, parValue);
1158 fUserConfig->Add(proc);
1161 //______________________________________________________________________________
1162 Bool_t TFluka::SetCut(const char* cutName, Double_t cutValue)
1164 // Set user cut value
1167 SetCut(cutName, cutValue, -1);
1172 void TFluka::SetUserScoring(const char* option, const char* sdum, Int_t npr, char* outfile, Float_t* what)
1175 // Adds a user scoring option to the list
1177 TFlukaScoringOption* opt = new TFlukaScoringOption(option, sdum, npr,outfile,what);
1178 fUserScore->Add(opt);
1180 //______________________________________________________________________________
1181 void TFluka::SetUserScoring(const char* option, const char* sdum, Int_t npr, char* outfile, Float_t* what,
1182 const char* det1, const char* det2, const char* det3)
1185 // Adds a user scoring option to the list
1187 TFlukaScoringOption* opt = new TFlukaScoringOption(option, sdum, npr, outfile, what, det1, det2, det3);
1188 fUserScore->Add(opt);
1191 //______________________________________________________________________________
1192 Double_t TFluka::Xsec(char*, Double_t, Int_t, Int_t)
1194 Warning("Xsec", "Not yet implemented.!\n"); return -1.;
1198 //______________________________________________________________________________
1199 void TFluka::InitPhysics()
1202 // Physics initialisation with preparation of FLUKA input cards
1204 // Construct file names
1205 FILE *pFlukaVmcCoreInp, *pFlukaVmcFlukaMat, *pFlukaVmcInp;
1206 TString sFlukaVmcTmp = "flukaMat.inp";
1207 TString sFlukaVmcInp = GetInputFileName();
1208 TString sFlukaVmcCoreInp = GetCoreInputFileName();
1211 if ((pFlukaVmcCoreInp = fopen(sFlukaVmcCoreInp.Data(),"r")) == NULL) {
1212 Warning("InitPhysics", "\nCannot open file %s\n",sFlukaVmcCoreInp.Data());
1215 if ((pFlukaVmcFlukaMat = fopen(sFlukaVmcTmp.Data(),"r")) == NULL) {
1216 Warning("InitPhysics", "\nCannot open file %s\n",sFlukaVmcTmp.Data());
1219 if ((pFlukaVmcInp = fopen(sFlukaVmcInp.Data(),"w")) == NULL) {
1220 Warning("InitPhysics", "\nCannot open file %s\n",sFlukaVmcInp.Data());
1224 // Copy core input file
1226 Float_t fEventsPerRun;
1228 while ((fgets(sLine,255,pFlukaVmcCoreInp)) != NULL) {
1229 if (strncmp(sLine,"GEOEND",6) != 0)
1230 fprintf(pFlukaVmcInp,"%s",sLine); // copy until GEOEND card
1232 fprintf(pFlukaVmcInp,"GEOEND\n"); // add GEOEND card
1235 } // end of while until GEOEND card
1239 while ((fgets(sLine,255,pFlukaVmcFlukaMat)) != NULL) { // copy flukaMat.inp file
1240 fprintf(pFlukaVmcInp,"%s\n",sLine);
1243 while ((fgets(sLine,255,pFlukaVmcCoreInp)) != NULL) {
1244 if (strncmp(sLine,"START",5) != 0)
1245 fprintf(pFlukaVmcInp,"%s\n",sLine);
1247 sscanf(sLine+10,"%10f",&fEventsPerRun);
1250 } //end of while until START card
1255 // Pass information to configuration objects
1257 Float_t fLastMaterial = fGeom->GetLastMaterialIndex();
1258 TFlukaConfigOption::SetStaticInfo(pFlukaVmcInp, 3, fLastMaterial, fGeom);
1260 TIter next(fUserConfig);
1261 TFlukaConfigOption* proc;
1262 while((proc = dynamic_cast<TFlukaConfigOption*> (next()))) proc->WriteFlukaInputCards();
1264 // Process Fluka specific scoring options
1266 TFlukaScoringOption::SetStaticInfo(pFlukaVmcInp, fGeom);
1267 Float_t loginp = -49.0;
1269 Int_t nscore = fUserScore->GetEntries();
1271 TFlukaScoringOption *mopo = 0;
1272 TFlukaScoringOption *mopi = 0;
1274 for (Int_t isc = 0; isc < nscore; isc++)
1276 mopo = dynamic_cast<TFlukaScoringOption*> (fUserScore->At(isc));
1277 char* fileName = mopo->GetFileName();
1278 Int_t size = strlen(fileName);
1281 // Check if new output file has to be opened
1282 for (Int_t isci = 0; isci < isc; isci++) {
1285 mopi = dynamic_cast<TFlukaScoringOption*> (fUserScore->At(isci));
1286 if(strncmp(mopi->GetFileName(), fileName, size)==0) {
1288 // No, the file already exists
1289 lun = mopi->GetLun();
1296 // Open new output file
1298 mopo->SetLun(loginp + inp);
1299 mopo->WriteOpenFlukaFile();
1301 mopo->WriteFlukaInputCards();
1304 // Add RANDOMIZ card
1305 fprintf(pFlukaVmcInp,"RANDOMIZ %10.1f%10.0f\n", 1., Float_t(gRandom->GetSeed()));
1306 // Add START and STOP card
1307 fprintf(pFlukaVmcInp,"START %10.1f\n",fEventsPerRun);
1308 fprintf(pFlukaVmcInp,"STOP \n");
1312 fclose(pFlukaVmcCoreInp);
1313 fclose(pFlukaVmcFlukaMat);
1314 fclose(pFlukaVmcInp);
1318 // Initialisation needed for Cerenkov photon production and transport
1319 TObjArray *matList = GetFlukaMaterials();
1320 Int_t nmaterial = matList->GetEntriesFast();
1321 fMaterials = new Int_t[nmaterial+25];
1323 for (Int_t im = 0; im < nmaterial; im++)
1325 TGeoMaterial* material = dynamic_cast<TGeoMaterial*> (matList->At(im));
1326 Int_t idmat = material->GetIndex();
1327 fMaterials[idmat] = im;
1329 } // end of InitPhysics
1332 //______________________________________________________________________________
1333 void TFluka::SetMaxStep(Double_t step)
1335 // Set the maximum step size
1336 // if (step > 1.e4) return;
1338 // Int_t mreg=0, latt=0;
1339 // fGeom->GetCurrentRegion(mreg, latt);
1342 Int_t mreg = fGeom->GetCurrentRegion();
1343 printf("SetMaxStep %5d %13.3f\n", mreg, step);
1344 STEPSZ.stepmx[mreg - 1] = step;
1348 Double_t TFluka::MaxStep() const
1350 // Return the maximum for current medium
1352 fGeom->GetCurrentRegion(mreg, latt);
1353 return (STEPSZ.stepmx[mreg - 1]);
1356 //______________________________________________________________________________
1357 void TFluka::SetMaxNStep(Int_t)
1359 // SetMaxNStep is dummy procedure in TFluka !
1360 if (fVerbosityLevel >=3)
1361 cout << "SetMaxNStep is dummy procedure in TFluka !" << endl;
1364 //______________________________________________________________________________
1365 void TFluka::SetUserDecay(Int_t)
1367 // SetUserDecay is dummy procedure in TFluka !
1368 if (fVerbosityLevel >=3)
1369 cout << "SetUserDecay is dummy procedure in TFluka !" << endl;
1373 // dynamic properties
1375 //______________________________________________________________________________
1376 void TFluka::TrackPosition(TLorentzVector& position) const
1378 // Return the current position in the master reference frame of the
1379 // track being transported
1380 // TRACKR.atrack = age of the particle
1381 // TRACKR.xtrack = x-position of the last point
1382 // TRACKR.ytrack = y-position of the last point
1383 // TRACKR.ztrack = z-position of the last point
1384 FlukaCallerCode_t caller = GetCaller();
1385 if (caller == kENDRAW || caller == kUSDRAW ||
1386 caller == kBXExiting || caller == kBXEntering ||
1387 caller == kUSTCKV) {
1388 position.SetX(GetXsco());
1389 position.SetY(GetYsco());
1390 position.SetZ(GetZsco());
1391 position.SetT(TRACKR.atrack);
1393 else if (caller == kMGDRAW) {
1395 if ((i = fPrimaryElectronIndex) > -1) {
1396 // Primary Electron Ionisation
1397 Double_t x, y, z, t;
1398 GetPrimaryElectronPosition(i, x, y, z, t);
1404 position.SetX(TRACKR.xtrack[TRACKR.ntrack]);
1405 position.SetY(TRACKR.ytrack[TRACKR.ntrack]);
1406 position.SetZ(TRACKR.ztrack[TRACKR.ntrack]);
1407 position.SetT(TRACKR.atrack);
1410 else if (caller == kSODRAW) {
1411 Int_t ist = FLKSTK.npflka;
1412 position.SetX(FLKSTK.xflk[ist]);
1413 position.SetY(FLKSTK.yflk[ist]);
1414 position.SetZ(FLKSTK.zflk[ist]);
1415 position.SetT(FLKSTK.agestk[ist]);
1416 } else if (caller == kMGResumedTrack) {
1417 position.SetX(TRACKR.spausr[0]);
1418 position.SetY(TRACKR.spausr[1]);
1419 position.SetZ(TRACKR.spausr[2]);
1420 position.SetT(TRACKR.spausr[3]);
1423 Warning("TrackPosition","position not available");
1426 //______________________________________________________________________________
1427 void TFluka::TrackPosition(Double_t& x, Double_t& y, Double_t& z) const
1429 // Return the current position in the master reference frame of the
1430 // track being transported
1431 // TRACKR.atrack = age of the particle
1432 // TRACKR.xtrack = x-position of the last point
1433 // TRACKR.ytrack = y-position of the last point
1434 // TRACKR.ztrack = z-position of the last point
1435 FlukaCallerCode_t caller = GetCaller();
1436 if (caller == kENDRAW || caller == kUSDRAW ||
1437 caller == kBXExiting || caller == kBXEntering ||
1438 caller == kUSTCKV) {
1443 else if (caller == kMGDRAW) {
1445 if ((i = fPrimaryElectronIndex) > -1) {
1447 GetPrimaryElectronPosition(i, x, y, z, t);
1449 x = TRACKR.xtrack[TRACKR.ntrack];
1450 y = TRACKR.ytrack[TRACKR.ntrack];
1451 z = TRACKR.ztrack[TRACKR.ntrack];
1454 else if (caller == kSODRAW) {
1455 Int_t ist = FLKSTK.npflka;
1456 x = FLKSTK.xflk[ist];
1457 y = FLKSTK.yflk[ist];
1458 z = FLKSTK.zflk[ist];
1460 else if (caller == kMGResumedTrack) {
1461 x = TRACKR.spausr[0];
1462 y = TRACKR.spausr[1];
1463 z = TRACKR.spausr[2];
1466 Warning("TrackPosition","position not available");
1469 //______________________________________________________________________________
1470 void TFluka::TrackMomentum(TLorentzVector& momentum) const
1472 // Return the direction and the momentum (GeV/c) of the track
1473 // currently being transported
1474 // TRACKR.ptrack = momentum of the particle (not always defined, if
1475 // < 0 must be obtained from etrack)
1476 // TRACKR.cx,y,ztrck = direction cosines of the current particle
1477 // TRACKR.etrack = total energy of the particle
1478 // TRACKR.jtrack = identity number of the particle
1479 // PAPROP.am[TRACKR.jtrack] = particle mass in gev
1480 FlukaCallerCode_t caller = GetCaller();
1481 FlukaProcessCode_t icode = GetIcode();
1483 if (caller != kEEDRAW &&
1484 caller != kMGResumedTrack &&
1485 caller != kSODRAW &&
1486 caller != kUSDRAW &&
1487 (caller != kENDRAW || (icode != kEMFSCOstopping1 && icode != kEMFSCOstopping2))) {
1488 if (TRACKR.ptrack >= 0) {
1489 momentum.SetPx(TRACKR.ptrack*TRACKR.cxtrck);
1490 momentum.SetPy(TRACKR.ptrack*TRACKR.cytrck);
1491 momentum.SetPz(TRACKR.ptrack*TRACKR.cztrck);
1492 momentum.SetE(TRACKR.etrack);
1496 Double_t p = sqrt(TRACKR.etrack * TRACKR.etrack - ParticleMassFPC(TRACKR.jtrack) * ParticleMassFPC(TRACKR.jtrack));
1497 momentum.SetPx(p*TRACKR.cxtrck);
1498 momentum.SetPy(p*TRACKR.cytrck);
1499 momentum.SetPz(p*TRACKR.cztrck);
1500 momentum.SetE(TRACKR.etrack);
1503 } else if (caller == kMGResumedTrack) {
1504 momentum.SetPx(TRACKR.spausr[4]);
1505 momentum.SetPy(TRACKR.spausr[5]);
1506 momentum.SetPz(TRACKR.spausr[6]);
1507 momentum.SetE (TRACKR.spausr[7]);
1509 } else if (caller == kENDRAW && (icode == kEMFSCOstopping1 || icode == kEMFSCOstopping2)) {
1513 momentum.SetE(TrackMass());
1515 } else if (caller == kSODRAW) {
1516 Int_t ist = FLKSTK.npflka;
1517 Double_t p = FLKSTK.pmoflk[ist];
1518 Int_t ifl = FLKSTK.iloflk[ist];
1519 Double_t m = PAPROP.am[ifl + 6];
1520 Double_t e = TMath::Sqrt(p * p + m * m);
1521 momentum.SetPx(p * FLKSTK.txflk[ist]);
1522 momentum.SetPy(p * FLKSTK.tyflk[ist]);
1523 momentum.SetPz(p * FLKSTK.tzflk[ist]);
1525 } else if (caller == kUSDRAW) {
1526 if (icode == kEMFSCObrems ||
1527 icode == kEMFSCOmoller ||
1528 icode == kEMFSCObhabha ||
1529 icode == kEMFSCOcompton )
1531 momentum.SetPx(fPint[0]);
1532 momentum.SetPy(fPint[1]);
1533 momentum.SetPz(fPint[2]);
1534 momentum.SetE(fPint[3]);
1535 } else if (icode == kKASKADdray ||
1536 icode == kKASKADbrems ||
1537 icode == kKASKADpair) {
1538 momentum.SetPx(GENSTK.plr[0] * GENSTK.cxr[0]);
1539 momentum.SetPy(GENSTK.plr[0] * GENSTK.cyr[0]);
1540 momentum.SetPz(GENSTK.plr[0] * GENSTK.czr[0]);
1541 momentum.SetE (GENSTK.tki[0] + PAPROP.am[GENSTK.kpart[0]+6]);
1543 Double_t p = sqrt(TRACKR.etrack * TRACKR.etrack
1544 - ParticleMassFPC(TRACKR.jtrack)
1545 * ParticleMassFPC(TRACKR.jtrack));
1546 momentum.SetPx(p*TRACKR.cxtrck);
1547 momentum.SetPy(p*TRACKR.cytrck);
1548 momentum.SetPz(p*TRACKR.cztrck);
1549 momentum.SetE(TRACKR.etrack);
1553 Warning("TrackMomentum","momentum not available");
1556 //______________________________________________________________________________
1557 void TFluka::TrackMomentum(Double_t& px, Double_t& py, Double_t& pz, Double_t& e) const
1559 // Return the direction and the momentum (GeV/c) of the track
1560 // currently being transported
1561 // TRACKR.ptrack = momentum of the particle (not always defined, if
1562 // < 0 must be obtained from etrack)
1563 // TRACKR.cx,y,ztrck = direction cosines of the current particle
1564 // TRACKR.etrack = total energy of the particle
1565 // TRACKR.jtrack = identity number of the particle
1566 // PAPROP.am[TRACKR.jtrack] = particle mass in gev
1567 FlukaCallerCode_t caller = GetCaller();
1568 FlukaProcessCode_t icode = GetIcode();
1569 if (caller != kEEDRAW &&
1570 caller != kMGResumedTrack &&
1571 caller != kSODRAW &&
1572 caller != kUSDRAW &&
1573 (caller != kENDRAW || (icode != kEMFSCOstopping1 && icode != kEMFSCOstopping2))) {
1574 if (TRACKR.ptrack >= 0) {
1575 px = TRACKR.ptrack*TRACKR.cxtrck;
1576 py = TRACKR.ptrack*TRACKR.cytrck;
1577 pz = TRACKR.ptrack*TRACKR.cztrck;
1582 Double_t p = sqrt(TRACKR.etrack * TRACKR.etrack - ParticleMassFPC(TRACKR.jtrack) * ParticleMassFPC(TRACKR.jtrack));
1583 px = p*TRACKR.cxtrck;
1584 py = p*TRACKR.cytrck;
1585 pz = p*TRACKR.cztrck;
1589 } else if (caller == kMGResumedTrack) {
1590 px = TRACKR.spausr[4];
1591 py = TRACKR.spausr[5];
1592 pz = TRACKR.spausr[6];
1593 e = TRACKR.spausr[7];
1595 } else if (caller == kENDRAW && (icode == kEMFSCOstopping1 || icode == kEMFSCOstopping2)) {
1600 } else if (caller == kSODRAW) {
1601 Int_t ist = FLKSTK.npflka;
1602 Double_t p = FLKSTK.pmoflk[ist];
1603 Int_t ifl = FLKSTK.iloflk[ist];
1604 Double_t m = PAPROP.am[ifl + 6];
1605 e = TMath::Sqrt(p * p + m * m);
1606 px = p * FLKSTK.txflk[ist];
1607 py = p * FLKSTK.tyflk[ist];
1608 pz = p * FLKSTK.tzflk[ist];
1609 } else if (caller == kUSDRAW) {
1610 if (icode == kEMFSCObrems ||
1611 icode == kEMFSCOmoller ||
1612 icode == kEMFSCObhabha ||
1613 icode == kEMFSCOcompton )
1619 } else if (icode == kKASKADdray ||
1620 icode == kKASKADbrems ||
1621 icode == kKASKADpair) {
1622 px = GENSTK.plr[0] * GENSTK.cxr[0];
1623 py = GENSTK.plr[0] * GENSTK.cyr[0];
1624 pz = GENSTK.plr[0] * GENSTK.czr[0];
1625 e = GENSTK.tki[0] + PAPROP.am[GENSTK.kpart[0]+6];
1627 Double_t p = sqrt(TRACKR.etrack * TRACKR.etrack - ParticleMassFPC(TRACKR.jtrack) * ParticleMassFPC(TRACKR.jtrack));
1628 px = p*TRACKR.cxtrck;
1629 py = p*TRACKR.cytrck;
1630 pz = p*TRACKR.cztrck;
1635 Warning("TrackMomentum","momentum not available");
1638 //______________________________________________________________________________
1639 Double_t TFluka::TrackStep() const
1641 // Return the length in centimeters of the current step
1642 // TRACKR.ctrack = total curved path
1643 FlukaCallerCode_t caller = GetCaller();
1644 if (caller == kBXEntering || caller == kBXExiting ||
1645 caller == kENDRAW || caller == kUSDRAW ||
1646 caller == kUSTCKV || caller == kMGResumedTrack ||
1649 else if (caller == kMGDRAW)
1650 return TRACKR.ctrack;
1652 Warning("TrackStep", "track step not available");
1657 //______________________________________________________________________________
1658 Double_t TFluka::TrackLength() const
1660 // TRACKR.cmtrck = cumulative curved path since particle birth
1661 FlukaCallerCode_t caller = GetCaller();
1662 if (caller == kBXEntering || caller == kBXExiting ||
1663 caller == kENDRAW || caller == kUSDRAW || caller == kMGDRAW ||
1665 return TRACKR.cmtrck;
1666 else if (caller == kMGResumedTrack)
1667 return TRACKR.spausr[8];
1668 else if (caller == kSODRAW)
1671 Warning("TrackLength", "track length not available for caller %5d \n", caller);
1676 //______________________________________________________________________________
1677 Double_t TFluka::TrackTime() const
1679 // Return the current time of flight of the track being transported
1680 // TRACKR.atrack = age of the particle
1681 FlukaCallerCode_t caller = GetCaller();
1682 if (caller == kMGDRAW) {
1684 if ((i = fPrimaryElectronIndex) > -1) {
1685 Double_t x, y, z, t;
1686 GetPrimaryElectronPosition(i, x, y, z, t);
1689 return TRACKR.atrack;
1691 } else if (caller == kBXEntering || caller == kBXExiting ||
1692 caller == kENDRAW || caller == kUSDRAW ||
1694 return TRACKR.atrack;
1695 else if (caller == kMGResumedTrack)
1696 return TRACKR.spausr[3];
1697 else if (caller == kSODRAW) {
1698 return (FLKSTK.agestk[FLKSTK.npflka]);
1701 Warning("TrackTime", "track time not available");
1706 //______________________________________________________________________________
1707 Double_t TFluka::Edep() const
1709 // Energy deposition
1710 // if TRACKR.ntrack = 0, TRACKR.mtrack = 0:
1711 // -->local energy deposition (the value and the point are not recorded in TRACKR)
1712 // but in the variable "rull" of the procedure "endraw.cxx"
1713 // if TRACKR.ntrack > 0, TRACKR.mtrack = 0:
1714 // -->no energy loss along the track
1715 // if TRACKR.ntrack > 0, TRACKR.mtrack > 0:
1716 // -->energy loss distributed along the track
1717 // TRACKR.dtrack = energy deposition of the jth deposition event
1719 // If coming from bxdraw we have 2 steps of 0 length and 0 edep
1720 // If coming from usdraw we just signal particle production - no edep
1721 // If just first time after resuming, no edep for the primary
1722 FlukaCallerCode_t caller = GetCaller();
1724 if (caller == kBXExiting || caller == kBXEntering ||
1725 caller == kUSDRAW || caller == kMGResumedTrack ||
1731 // Material with primary ionisation activated but number of primary electrons nprim = 0
1732 if (fPrimaryElectronIndex == -2) return 0.0;
1734 if ((i = fPrimaryElectronIndex) > -1) {
1735 // Primary ionisation
1736 sum = GetPrimaryElectronKineticEnergy(i);
1738 printf("edep > 100. %d %d %f \n", i, ALLDLT.nalldl, sum);
1742 // Normal ionisation
1743 if (TRACKR.mtrack > 1) printf("Edep: %6d\n", TRACKR.mtrack);
1745 for ( Int_t j=0;j<TRACKR.mtrack;j++) {
1746 sum +=TRACKR.dtrack[j];
1748 if (TRACKR.ntrack == 0 && TRACKR.mtrack == 0)
1756 //______________________________________________________________________________
1757 Int_t TFluka::CorrectFlukaId() const
1759 // since we don't put photons and e- created bellow transport cut on the vmc stack
1760 // and there is a call to endraw for energy deposition for each of them
1761 // and they have the track number of their parent, but different identity (pdg)
1762 // so we want to assign also their parent identity.
1765 && TRACKR.ispusr[mkbmx2 - 4] == TRACKR.ispusr[mkbmx2 - 1]
1766 && TRACKR.jtrack != TRACKR.ispusr[mkbmx2 - 3] ) {
1767 if (fVerbosityLevel >=3)
1768 cout << "CorrectFlukaId() for icode=" << GetIcode()
1769 << " track=" << TRACKR.ispusr[mkbmx2 - 1]
1770 << " current PDG=" << PDGFromId(TRACKR.jtrack)
1771 << " assign parent PDG=" << PDGFromId(TRACKR.ispusr[mkbmx2 - 3]) << endl;
1772 return TRACKR.ispusr[mkbmx2 - 3]; // assign parent identity
1774 if (TRACKR.jtrack <= 64){
1775 return TRACKR.jtrack;
1777 return TRACKR.j0trck;
1782 //______________________________________________________________________________
1783 Int_t TFluka::TrackPid() const
1785 // Return the id of the particle transported
1786 // TRACKR.jtrack = identity number of the particle
1787 FlukaCallerCode_t caller = GetCaller();
1788 if (caller != kEEDRAW && caller != kSODRAW) {
1789 return PDGFromId( CorrectFlukaId() );
1791 else if (caller == kSODRAW) {
1792 return PDGFromId(FLKSTK.iloflk[FLKSTK.npflka]);
1798 //______________________________________________________________________________
1799 Double_t TFluka::TrackCharge() const
1801 // Return charge of the track currently transported
1802 // PAPROP.ichrge = electric charge of the particle
1803 // TRACKR.jtrack = identity number of the particle
1805 FlukaCallerCode_t caller = GetCaller();
1806 if (caller != kEEDRAW && caller != kSODRAW)
1807 return PAPROP.ichrge[CorrectFlukaId() + 6];
1808 else if (caller == kSODRAW) {
1809 Int_t ifl = PDGFromId(FLKSTK.iloflk[FLKSTK.npflka]);
1810 return PAPROP.ichrge[ifl + 6];
1816 //______________________________________________________________________________
1817 Double_t TFluka::TrackMass() const
1819 // PAPROP.am = particle mass in GeV
1820 // TRACKR.jtrack = identity number of the particle
1821 FlukaCallerCode_t caller = GetCaller();
1822 if (caller != kEEDRAW && caller != kSODRAW)
1823 return PAPROP.am[CorrectFlukaId()+6];
1824 else if (caller == kSODRAW) {
1825 Int_t ifl = FLKSTK.iloflk[FLKSTK.npflka];
1826 return PAPROP.am[ifl + 6];
1832 //______________________________________________________________________________
1833 Double_t TFluka::Etot() const
1835 // TRACKR.etrack = total energy of the particle
1836 FlukaCallerCode_t caller = GetCaller();
1837 FlukaProcessCode_t icode = GetIcode();
1838 if (caller != kEEDRAW && caller != kSODRAW && caller != kUSDRAW)
1840 return TRACKR.etrack;
1841 } else if (caller == kUSDRAW) {
1842 if (icode == kEMFSCObrems ||
1843 icode == kEMFSCOmoller ||
1844 icode == kEMFSCObhabha ||
1845 icode == kEMFSCOcompton ) {
1848 else if (icode == kKASKADdray ||
1849 icode == kKASKADbrems ||
1850 icode == kKASKADpair) {
1851 return (GENSTK.tki[0] + PAPROP.am[GENSTK.kpart[0]+6]);
1854 else if (caller == kSODRAW) {
1855 Int_t ist = FLKSTK.npflka;
1856 Double_t p = FLKSTK.pmoflk[ist];
1857 Int_t ifl = FLKSTK.iloflk[ist];
1858 Double_t m = PAPROP.am[ifl + 6];
1859 Double_t e = TMath::Sqrt(p * p + m * m);
1869 //______________________________________________________________________________
1870 Bool_t TFluka::IsNewTrack() const
1872 // Return true for the first call of Stepping()
1876 void TFluka::SetTrackIsNew(Bool_t flag)
1878 // Return true for the first call of Stepping()
1884 //______________________________________________________________________________
1885 Bool_t TFluka::IsTrackInside() const
1887 // True if the track is not at the boundary of the current volume
1888 // In Fluka a step is always inside one kind of material
1889 // If the step would go behind the region of one material,
1890 // it will be shortened to reach only the boundary.
1891 // Therefore IsTrackInside() is always true.
1892 FlukaCallerCode_t caller = GetCaller();
1893 if (caller == kBXEntering || caller == kBXExiting)
1899 //______________________________________________________________________________
1900 Bool_t TFluka::IsTrackEntering() const
1902 // True if this is the first step of the track in the current volume
1904 FlukaCallerCode_t caller = GetCaller();
1905 if (caller == kBXEntering)
1910 //______________________________________________________________________________
1911 Bool_t TFluka::IsTrackExiting() const
1913 // True if track is exiting volume
1915 FlukaCallerCode_t caller = GetCaller();
1916 if (caller == kBXExiting)
1921 //______________________________________________________________________________
1922 Bool_t TFluka::IsTrackOut() const
1924 // True if the track is out of the setup
1926 FlukaProcessCode_t icode = GetIcode();
1928 if (icode == kKASKADescape ||
1929 icode == kEMFSCOescape ||
1930 icode == kKASNEUescape ||
1931 icode == kKASHEAescape ||
1932 icode == kKASOPHescape)
1937 //______________________________________________________________________________
1938 Bool_t TFluka::IsTrackDisappeared() const
1940 // All inelastic interactions and decays
1941 // fIcode from usdraw
1942 FlukaProcessCode_t icode = GetIcode();
1943 if (icode == kKASKADinelint || // inelastic interaction
1944 icode == kKASKADdecay || // particle decay
1945 icode == kKASKADdray || // delta ray generation by hadron
1946 icode == kKASKADpair || // direct pair production
1947 icode == kKASKADbrems || // bremsstrahlung (muon)
1948 icode == kEMFSCObrems || // bremsstrahlung (electron)
1949 icode == kEMFSCOmoller || // Moller scattering
1950 icode == kEMFSCObhabha || // Bhaba scattering
1951 icode == kEMFSCOanniflight || // in-flight annihilation
1952 icode == kEMFSCOannirest || // annihilation at rest
1953 icode == kEMFSCOpair || // pair production
1954 icode == kEMFSCOcompton || // Compton scattering
1955 icode == kEMFSCOphotoel || // Photoelectric effect
1956 icode == kKASNEUhadronic || // hadronic interaction
1957 icode == kKASHEAdray // delta-ray
1962 //______________________________________________________________________________
1963 Bool_t TFluka::IsTrackStop() const
1965 // True if the track energy has fallen below the threshold
1966 // means stopped by signal or below energy threshold
1967 FlukaProcessCode_t icode = GetIcode();
1968 if (icode == kKASKADstopping || // stopping particle
1969 icode == kKASKADtimekill || // time kill
1970 icode == kEMFSCOstopping1 || // below user-defined cut-off
1971 icode == kEMFSCOstopping2 || // below user cut-off
1972 icode == kEMFSCOtimekill || // time kill
1973 icode == kKASNEUstopping || // neutron below threshold
1974 icode == kKASNEUtimekill || // time kill
1975 icode == kKASHEAtimekill || // time kill
1976 icode == kKASOPHtimekill) return 1; // time kill
1980 //______________________________________________________________________________
1981 Bool_t TFluka::IsTrackAlive() const
1983 // means not disappeared or not out
1984 if (IsTrackDisappeared() || IsTrackOut() ) return 0;
1992 //______________________________________________________________________________
1993 Int_t TFluka::NSecondaries() const
1996 // Number of secondary particles generated in the current step
1997 // GENSTK.np = number of secondaries except light and heavy ions
1998 // FHEAVY.npheav = number of secondaries for light and heavy secondary ions
1999 FlukaCallerCode_t caller = GetCaller();
2000 if (caller == kUSDRAW) // valid only after usdraw
2001 return GENSTK.np + FHEAVY.npheav;
2002 else if (caller == kUSTCKV) {
2003 // Cerenkov Photon production
2007 } // end of NSecondaries
2009 //______________________________________________________________________________
2010 void TFluka::GetSecondary(Int_t isec, Int_t& particleId,
2011 TLorentzVector& position, TLorentzVector& momentum)
2013 // Copy particles from secondary stack to vmc stack
2016 FlukaCallerCode_t caller = GetCaller();
2017 if (caller == kUSDRAW) { // valid only after usdraw
2018 if (GENSTK.np > 0) {
2019 // Hadronic interaction
2020 if (isec >= 0 && isec < GENSTK.np) {
2021 particleId = PDGFromId(GENSTK.kpart[isec]);
2022 position.SetX(fXsco);
2023 position.SetY(fYsco);
2024 position.SetZ(fZsco);
2025 position.SetT(TRACKR.atrack);
2026 momentum.SetPx(GENSTK.plr[isec]*GENSTK.cxr[isec]);
2027 momentum.SetPy(GENSTK.plr[isec]*GENSTK.cyr[isec]);
2028 momentum.SetPz(GENSTK.plr[isec]*GENSTK.czr[isec]);
2029 momentum.SetE(GENSTK.tki[isec] + PAPROP.am[GENSTK.kpart[isec]+6]);
2031 else if (isec >= GENSTK.np && isec < GENSTK.np + FHEAVY.npheav) {
2032 Int_t jsec = isec - GENSTK.np;
2033 particleId = FHEAVY.kheavy[jsec]; // this is Fluka id !!!
2034 position.SetX(fXsco);
2035 position.SetY(fYsco);
2036 position.SetZ(fZsco);
2037 position.SetT(TRACKR.atrack);
2038 momentum.SetPx(FHEAVY.pheavy[jsec]*FHEAVY.cxheav[jsec]);
2039 momentum.SetPy(FHEAVY.pheavy[jsec]*FHEAVY.cyheav[jsec]);
2040 momentum.SetPz(FHEAVY.pheavy[jsec]*FHEAVY.czheav[jsec]);
2041 if (FHEAVY.tkheav[jsec] >= 3 && FHEAVY.tkheav[jsec] <= 6)
2042 momentum.SetE(FHEAVY.tkheav[jsec] + PAPROP.am[jsec+6]);
2043 else if (FHEAVY.tkheav[jsec] > 6)
2044 momentum.SetE(FHEAVY.tkheav[jsec] + FHEAVY.amnhea[jsec]); // to be checked !!!
2047 Warning("GetSecondary","isec out of range");
2049 } else if (caller == kUSTCKV) {
2050 Int_t index = OPPHST.lstopp - isec;
2051 position.SetX(OPPHST.xoptph[index]);
2052 position.SetY(OPPHST.yoptph[index]);
2053 position.SetZ(OPPHST.zoptph[index]);
2054 position.SetT(OPPHST.agopph[index]);
2055 Double_t p = OPPHST.poptph[index];
2057 momentum.SetPx(p * OPPHST.txopph[index]);
2058 momentum.SetPy(p * OPPHST.tyopph[index]);
2059 momentum.SetPz(p * OPPHST.tzopph[index]);
2063 Warning("GetSecondary","no secondaries available");
2065 } // end of GetSecondary
2068 //______________________________________________________________________________
2069 TMCProcess TFluka::ProdProcess(Int_t) const
2072 // Name of the process that has produced the secondary particles
2073 // in the current step
2075 Int_t mugamma = (TRACKR.jtrack == kFLUKAphoton ||
2076 TRACKR.jtrack == kFLUKAmuplus ||
2077 TRACKR.jtrack == kFLUKAmuminus);
2078 FlukaProcessCode_t icode = GetIcode();
2080 if (icode == kKASKADdecay) return kPDecay;
2081 else if (icode == kKASKADpair || icode == kEMFSCOpair) return kPPair;
2082 else if (icode == kEMFSCOcompton) return kPCompton;
2083 else if (icode == kEMFSCOphotoel) return kPPhotoelectric;
2084 else if (icode == kKASKADbrems || icode == kEMFSCObrems) return kPBrem;
2085 else if (icode == kKASKADdray || icode == kKASHEAdray) return kPDeltaRay;
2086 else if (icode == kEMFSCOmoller || icode == kEMFSCObhabha) return kPDeltaRay;
2087 else if (icode == kEMFSCOanniflight || icode == kEMFSCOannirest) return kPAnnihilation;
2088 else if (icode == kKASKADinelint) {
2089 if (!mugamma) return kPHadronic;
2090 else if (TRACKR.jtrack == kFLUKAphoton) return kPPhotoFission;
2091 else return kPMuonNuclear;
2093 else if (icode == kEMFSCOrayleigh) return kPRayleigh;
2094 // Fluka codes 100, 300 and 400 still to be investigasted
2095 else return kPNoProcess;
2099 Int_t TFluka::StepProcesses(TArrayI &proc) const
2102 // Return processes active in the current step
2104 FlukaProcessCode_t icode = GetIcode();
2105 FlukaCallerCode_t caller = GetCaller();
2109 if (caller == kBXEntering || caller == kBXExiting || caller == kEEDRAW || caller == kSODRAW) {
2110 iproc = kPTransportation;
2112 else if (caller == kUSTCKV) {
2118 iproc = kPEnergyLoss;
2120 iproc = kPTransportation;
2125 iproc = kPEnergyLoss;
2127 iproc = kPTransportation;
2138 iproc = kPTransportation;
2140 case kKASKADtimekill:
2141 case kEMFSCOtimekill:
2142 case kKASNEUtimekill:
2143 case kKASHEAtimekill:
2144 case kKASOPHtimekill:
2147 case kKASKADstopping:
2148 case kEMFSCOstopping1:
2149 case kEMFSCOstopping2:
2150 case kKASNEUstopping:
2153 case kKASOPHabsorption:
2154 iproc = kPLightAbsorption;
2156 case kKASOPHrefraction:
2157 iproc = kPLightRefraction;
2159 case kEMFSCOlocaldep :
2160 iproc = kPPhotoelectric;
2163 iproc = ProdProcess(0);
2170 //______________________________________________________________________________
2171 Int_t TFluka::VolId2Mate(Int_t id) const
2174 // Returns the material number for a given volume ID
2176 return fMCGeo->VolId2Mate(id);
2179 //______________________________________________________________________________
2180 const char* TFluka::VolName(Int_t id) const
2183 // Returns the volume name for a given volume ID
2185 return fMCGeo->VolName(id);
2188 Int_t TFluka::MediumId(const Text_t* mediumName) const
2191 // Return the unique medium id for medium with name mediumName
2192 TList *medlist = gGeoManager->GetListOfMedia();
2193 TGeoMedium* med = (TGeoMedium*) medlist->FindObject(mediumName);
2195 return (med->GetId());
2201 //______________________________________________________________________________
2202 Int_t TFluka::VolId(const Text_t* volName) const
2205 // Converts from volume name to volume ID.
2206 // Time consuming. (Only used during set-up)
2207 // Could be replaced by hash-table
2211 strncpy(sname, volName, len = strlen(volName));
2213 while (sname[len - 1] == ' ') sname[--len] = 0;
2214 return fMCGeo->VolId(sname);
2217 //______________________________________________________________________________
2218 Int_t TFluka::CurrentVolID(Int_t& copyNo) const
2221 // Return the logical id and copy number corresponding to the current fluka region
2223 if (gGeoManager->IsOutside()) return 0;
2224 TGeoNode *node = gGeoManager->GetCurrentNode();
2225 copyNo = node->GetNumber();
2226 Int_t id = node->GetVolume()->GetNumber();
2230 //______________________________________________________________________________
2231 Int_t TFluka::CurrentVolOffID(Int_t off, Int_t& copyNo) const
2234 // Return the logical id and copy number of off'th mother
2235 // corresponding to the current fluka region
2237 if (off<0 || off>gGeoManager->GetLevel()) return 0;
2238 if (off==0) return CurrentVolID(copyNo);
2239 TGeoNode *node = gGeoManager->GetMother(off);
2240 if (!node) return 0;
2241 copyNo = node->GetNumber();
2242 return node->GetVolume()->GetNumber();
2245 //______________________________________________________________________________
2246 const char* TFluka::CurrentVolName() const
2249 // Return the current volume name
2251 if (gGeoManager->IsOutside()) return "OutOfWorld";
2252 return gGeoManager->GetCurrentVolume()->GetName();
2255 //______________________________________________________________________________
2256 const char* TFluka::CurrentVolOffName(Int_t off) const
2259 // Return the volume name of the off'th mother of the current volume
2261 if (off<0 || off>gGeoManager->GetLevel()) return 0;
2262 if (off==0) return CurrentVolName();
2263 TGeoNode *node = gGeoManager->GetMother(off);
2264 if (!node) return 0;
2265 return node->GetVolume()->GetName();
2268 const char* TFluka::CurrentVolPath() {
2269 // Return the current volume path
2270 return gGeoManager->GetPath();
2272 //______________________________________________________________________________
2273 Int_t TFluka::CurrentMaterial(Float_t & a, Float_t & z,
2274 Float_t & dens, Float_t & radl, Float_t & absl) const
2277 // Return the current medium number and material properties
2280 Int_t id = TFluka::CurrentVolID(copy);
2281 Int_t med = TFluka::VolId2Mate(id);
2282 TGeoVolume* vol = gGeoManager->GetCurrentVolume();
2283 TGeoMaterial* mat = vol->GetMaterial();
2286 dens = mat->GetDensity();
2287 radl = mat->GetRadLen();
2288 absl = mat->GetIntLen();
2293 //______________________________________________________________________________
2294 void TFluka::Gmtod(Float_t* xm, Float_t* xd, Int_t iflag)
2296 // Transforms a position from the world reference frame
2297 // to the current volume reference frame.
2299 // Geant3 desription:
2300 // ==================
2301 // Computes coordinates XD (in DRS)
2302 // from known coordinates XM in MRS
2303 // The local reference system can be initialized by
2304 // - the tracking routines and GMTOD used in GUSTEP
2305 // - a call to GMEDIA(XM,NUMED)
2306 // - a call to GLVOLU(NLEVEL,NAMES,NUMBER,IER)
2307 // (inverse routine is GDTOM)
2309 // If IFLAG=1 convert coordinates
2310 // IFLAG=2 convert direction cosinus
2313 Double_t xmL[3], xdL[3];
2315 for (i=0;i<3;i++) xmL[i]=xm[i];
2316 if (iflag == 1) gGeoManager->MasterToLocal(xmL,xdL);
2317 else gGeoManager->MasterToLocalVect(xmL,xdL);
2318 for (i=0;i<3;i++) xd[i] = xdL[i];
2321 //______________________________________________________________________________
2322 void TFluka::Gmtod(Double_t* xm, Double_t* xd, Int_t iflag)
2325 // See Gmtod(Float_t*, Float_t*, Int_t)
2327 if (iflag == 1) gGeoManager->MasterToLocal(xm,xd);
2328 else gGeoManager->MasterToLocalVect(xm,xd);
2331 //______________________________________________________________________________
2332 void TFluka::Gdtom(Float_t* xd, Float_t* xm, Int_t iflag)
2334 // Transforms a position from the current volume reference frame
2335 // to the world reference frame.
2337 // Geant3 desription:
2338 // ==================
2339 // Computes coordinates XM (Master Reference System
2340 // knowing the coordinates XD (Detector Ref System)
2341 // The local reference system can be initialized by
2342 // - the tracking routines and GDTOM used in GUSTEP
2343 // - a call to GSCMED(NLEVEL,NAMES,NUMBER)
2344 // (inverse routine is GMTOD)
2346 // If IFLAG=1 convert coordinates
2347 // IFLAG=2 convert direction cosinus
2350 Double_t xmL[3], xdL[3];
2352 for (i=0;i<3;i++) xdL[i] = xd[i];
2353 if (iflag == 1) gGeoManager->LocalToMaster(xdL,xmL);
2354 else gGeoManager->LocalToMasterVect(xdL,xmL);
2355 for (i=0;i<3;i++) xm[i]=xmL[i];
2358 //______________________________________________________________________________
2359 void TFluka::Gdtom(Double_t* xd, Double_t* xm, Int_t iflag)
2362 // See Gdtom(Float_t*, Float_t*, Int_t)
2364 if (iflag == 1) gGeoManager->LocalToMaster(xd,xm);
2365 else gGeoManager->LocalToMasterVect(xd,xm);
2368 //______________________________________________________________________________
2369 TObjArray *TFluka::GetFlukaMaterials()
2372 // Get array of Fluka materials
2373 return fGeom->GetMatList();
2376 //______________________________________________________________________________
2377 void TFluka::SetMreg(Int_t l, Int_t lttc)
2379 // Set current fluka region
2380 fCurrentFlukaRegion = l;
2381 fGeom->SetMreg(l,lttc);
2387 //______________________________________________________________________________
2388 TString TFluka::ParticleName(Int_t pdg) const
2390 // Return particle name for particle with pdg code pdg.
2391 Int_t ifluka = IdFromPDG(pdg);
2392 return TString((CHPPRP.btype[ifluka - kFLUKAcodemin]), 8);
2396 //______________________________________________________________________________
2397 Double_t TFluka::ParticleMass(Int_t pdg) const
2399 // Return particle mass for particle with pdg code pdg.
2400 Int_t ifluka = IdFromPDG(pdg);
2401 return (PAPROP.am[ifluka - kFLUKAcodemin]);
2404 //______________________________________________________________________________
2405 Double_t TFluka::ParticleMassFPC(Int_t fpc) const
2407 // Return particle mass for particle with Fluka particle code fpc
2408 return (PAPROP.am[fpc - kFLUKAcodemin]);
2411 //______________________________________________________________________________
2412 Double_t TFluka::ParticleCharge(Int_t pdg) const
2414 // Return particle charge for particle with pdg code pdg.
2415 Int_t ifluka = IdFromPDG(pdg);
2416 return Double_t(PAPROP.ichrge[ifluka - kFLUKAcodemin]);
2419 //______________________________________________________________________________
2420 Double_t TFluka::ParticleLifeTime(Int_t pdg) const
2422 // Return particle lifetime for particle with pdg code pdg.
2423 Int_t ifluka = IdFromPDG(pdg);
2424 return (PAPROP.tmnlf[ifluka - kFLUKAcodemin]);
2427 //______________________________________________________________________________
2428 void TFluka::Gfpart(Int_t pdg, char* name, Int_t& type, Float_t& mass, Float_t& charge, Float_t& tlife)
2430 // Retrieve particle properties for particle with pdg code pdg.
2432 strcpy(name, ParticleName(pdg).Data());
2433 type = ParticleMCType(pdg);
2434 mass = ParticleMass(pdg);
2435 charge = ParticleCharge(pdg);
2436 tlife = ParticleLifeTime(pdg);
2439 //______________________________________________________________________________
2440 void TFluka::PrintHeader()
2446 printf("------------------------------------------------------------------------------\n");
2447 printf("- You are using the TFluka Virtual Monte Carlo Interface to FLUKA. -\n");
2448 printf("- Please see the file fluka.out for FLUKA output and licensing information. -\n");
2449 printf("------------------------------------------------------------------------------\n");
2455 #define pshckp pshckp_
2456 #define ustckv ustckv_
2460 void pshckp(Double_t & px, Double_t & py, Double_t & pz, Double_t & e,
2461 Double_t & vx, Double_t & vy, Double_t & vz, Double_t & tof,
2462 Double_t & polx, Double_t & poly, Double_t & polz, Double_t & wgt, Int_t& ntr)
2465 // Pushes one cerenkov photon to the stack
2468 TFluka* fluka = (TFluka*) gMC;
2469 TVirtualMCStack* cppstack = fluka->GetStack();
2470 Int_t parent = TRACKR.ispusr[mkbmx2-1];
2471 cppstack->PushTrack(0, parent, 50000050,
2475 kPCerenkov, ntr, wgt, 0);
2476 if (fluka->GetVerbosityLevel() >= 3)
2477 printf("pshckp: track=%d parent=%d lattc=%d %s\n", ntr, parent, TRACKR.lt1trk, fluka->CurrentVolName());
2480 void ustckv(Int_t & nphot, Int_t & mreg, Double_t & x, Double_t & y, Double_t & z)
2483 // Calls stepping in order to signal cerenkov production
2485 TFluka *fluka = (TFluka*)gMC;
2486 fluka->SetMreg(mreg, TRACKR.lt1trk); //LTCLCM.mlatm1);
2490 fluka->SetNCerenkov(nphot);
2491 fluka->SetCaller(kUSTCKV);
2492 if (fluka->GetVerbosityLevel() >= 3)
2493 printf("ustckv: %10d mreg=%d lattc=%d newlat=%d (%f, %f, %f) edep=%f vol=%s\n",
2494 nphot, mreg, TRACKR.lt1trk, LTCLCM.newlat, x, y, z, fluka->Edep(), fluka->CurrentVolName());
2496 // check region lattice consistency (debug Ernesto)
2497 // *****************************************************
2499 Int_t volId = fluka->CurrentVolID(nodeId);
2500 Int_t crtlttc = gGeoManager->GetCurrentNodeId()+1;
2502 if( mreg != volId && !gGeoManager->IsOutside() ) {
2503 cout << " ustckv: track=" << TRACKR.ispusr[mkbmx2-1] << " pdg=" << fluka->PDGFromId(TRACKR.jtrack)
2504 << " icode=" << fluka->GetIcode() << " gNstep=" << fluka->GetNstep() << endl
2505 << " fluka mreg=" << mreg << " mlttc=" << TRACKR.lt1trk << endl
2506 << " TGeo volId=" << volId << " crtlttc=" << crtlttc << endl
2507 << " common TRACKR lt1trk=" << TRACKR.lt1trk << " lt2trk=" << TRACKR.lt2trk << endl
2508 << " common LTCLCM newlat=" << LTCLCM.newlat << " mlatld=" << LTCLCM.mlatld << endl
2509 << " mlatm1=" << LTCLCM.mlatm1 << " mltsen=" << LTCLCM.mltsen << endl
2510 << " mltsm1=" << LTCLCM.mltsm1 << " mlattc=" << LTCLCM.mlattc << endl;
2511 if( TRACKR.lt1trk == crtlttc ) cout << " *************************************************************" << endl;
2513 // *****************************************************
2517 (TVirtualMCApplication::Instance())->Stepping();
2521 //______________________________________________________________________________
2522 void TFluka::AddParticlesToPdgDataBase() const
2526 // Add particles to the PDG data base
2528 TDatabasePDG *pdgDB = TDatabasePDG::Instance();
2530 const Double_t kAu2Gev = 0.9314943228;
2531 const Double_t khSlash = 1.0545726663e-27;
2532 const Double_t kErg2Gev = 1/1.6021773349e-3;
2533 const Double_t khShGev = khSlash*kErg2Gev;
2534 const Double_t kYear2Sec = 3600*24*365.25;
2538 pdgDB->AddParticle("Deuteron","Deuteron",2*kAu2Gev+8.071e-3,kTRUE,
2539 0,3,"Ion",GetIonPdg(1,2));
2540 pdgDB->AddParticle("Triton","Triton",3*kAu2Gev+14.931e-3,kFALSE,
2541 khShGev/(12.33*kYear2Sec),3,"Ion",GetIonPdg(1,3));
2542 pdgDB->AddParticle("Alpha","Alpha",4*kAu2Gev+2.424e-3,kTRUE,
2543 khShGev/(12.33*kYear2Sec),6,"Ion",GetIonPdg(2,4));
2544 pdgDB->AddParticle("HE3","HE3",3*kAu2Gev+14.931e-3,kFALSE,
2545 0,6,"Ion",GetIonPdg(2,3));
2549 // Special particles
2551 pdgDB->AddParticle("Cherenkov","Cherenkov",0,kFALSE,
2552 0,0,"Special",GetSpecialPdg(50));
2553 pdgDB->AddParticle("FeedbackPhoton","FeedbackPhoton",0,kFALSE,
2554 0,0,"Special",GetSpecialPdg(51));
2558 // Info about primary ionization electrons
2561 //______________________________________________________________________________
2562 Int_t TFluka::GetNPrimaryElectrons()
2564 // Get number of primary electrons
2565 return ALLDLT.nalldl;
2568 //______________________________________________________________________________
2569 Double_t TFluka::GetPrimaryElectronKineticEnergy(Int_t i) const
2571 // Returns kinetic energy of primary electron i
2573 Double_t ekin = -1.;
2575 if (i >= 0 && i < ALLDLT.nalldl) {
2576 ekin = ALLDLT.talldl[i];
2578 Warning("GetPrimaryElectronKineticEnergy",
2579 "Primary electron index out of range %d %d \n",
2585 void TFluka::GetPrimaryElectronPosition(Int_t i, Double_t& x, Double_t& y, Double_t& z, Double_t& t) const
2587 // Returns position of primary electron i
2588 if (i >= 0 && i < ALLDLT.nalldl) {
2589 x = ALLDLT.xalldl[i];
2590 y = ALLDLT.yalldl[i];
2591 z = ALLDLT.zalldl[i];
2592 t = ALLDLT.talldl[i];
2595 Warning("GetPrimaryElectronPosition",
2596 "Primary electron index out of range %d %d \n",
2603 Int_t TFluka::GetIonPdg(Int_t z, Int_t a, Int_t i) const
2606 // http://cepa.fnal.gov/psm/stdhep/pdg/montecarlorpp-2006.pdf
2608 return 1000000000 + 10*1000*z + 10*a + i;
2611 //__________________________________________________________________
2612 Int_t TFluka::GetSpecialPdg(Int_t number) const
2614 // Numbering for special particles
2616 return 50000000 + number;
2620 void TFluka::PrimaryIonisationStepping(Int_t nprim)
2622 // Call Stepping for primary ionisation electrons
2624 // Protection against nprim > mxalld
2626 // Multiple steps for nprim > 0
2628 for (i = 0; i < nprim; i++) {
2629 SetCurrentPrimaryElectronIndex(i);
2630 (TVirtualMCApplication::Instance())->Stepping();
2631 if (i == 0) SetTrackIsNew(kFALSE);
2634 // No primary electron ionisation
2635 // Call Stepping anyway but flag nprim = 0 as index = -2
2636 SetCurrentPrimaryElectronIndex(-2);
2637 (TVirtualMCApplication::Instance())->Stepping();
2640 SetCurrentPrimaryElectronIndex(-1);
2643 //______________________________________________________________________
2644 Float_t* TFluka::CreateFloatArray(Double_t* array, Int_t size) const
2646 // Converts Double_t* array to Float_t*,
2647 // !! The new array has to be deleted by user.
2650 Float_t* floatArray;
2652 floatArray = new Float_t[size];
2653 for (Int_t i=0; i<size; i++)
2654 if (array[i] >= FLT_MAX )
2655 floatArray[i] = FLT_MAX/100.;
2657 floatArray[i] = array[i];
2661 floatArray = new Float_t[1];