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4c039060 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
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 **************************************************************************/
15
16/*
17$Log$
2ab0c725 18Revision 1.13 2000/11/30 07:12:49 alibrary
19Introducing new Rndm and QA classes
20
65fb704d 21Revision 1.12 2000/10/02 21:28:14 fca
22Removal of useless dependecies via forward declarations
23
94de3818 24Revision 1.11 2000/07/12 08:56:25 fca
25Coding convention correction and warning removal
26
8918e700 27Revision 1.10 2000/07/11 18:24:59 fca
28Coding convention corrections + few minor bug fixes
29
aee8290b 30Revision 1.9 2000/05/16 08:45:08 fca
31Correct dtor, thanks to J.Belikov
32
bf9b027f 33Revision 1.8 2000/02/23 16:25:22 fca
34AliVMC and AliGeant3 classes introduced
35ReadEuclid moved from AliRun to AliModule
36
b13db077 37Revision 1.7 1999/09/29 09:24:29 fca
38Introduction of the Copyright and cvs Log
39
4c039060 40*/
41
8494b010 42///////////////////////////////////////////////////////////////////////////////
43// //
44// Base class for ALICE modules. Both sensitive modules (Modules) and //
45// non-sensitive ones are described by this base class. This class //
46// supports the hit and digit trees produced by the simulation and also //
47// the objects produced by the reconstruction. //
48// //
49// This class is also responsible for building the geometry of the //
50// Modules. //
51// //
52//Begin_Html
53/*
1439f98e 54<img src="picts/AliModuleClass.gif">
8494b010 55*/
56//End_Html
57// //
58///////////////////////////////////////////////////////////////////////////////
94de3818 59#include <TNode.h>
94de3818 60#include "TSystem.h"
61
8494b010 62#include "AliModule.h"
63#include "AliRun.h"
94de3818 64#include "AliMagF.h"
65#include "AliMC.h"
8494b010 66
67ClassImp(AliModule)
68
69//_____________________________________________________________________________
70AliModule::AliModule()
71{
72 //
73 // Default constructor for the AliModule class
74 //
75 fHistograms = 0;
76 fNodes = 0;
aee8290b 77 fIdtmed = 0;
78 fIdmate = 0;
8494b010 79}
80
81//_____________________________________________________________________________
82AliModule::AliModule(const char* name,const char *title):TNamed(name,title)
83{
84 //
85 // Normal constructor invoked by all Modules.
86 // Create the list for Module specific histograms
87 // Add this Module to the global list of Modules in Run.
88 //
89 //
90 // Initialises the histogram list
91 fHistograms = new TList();
92 //
93 // Initialises the list of ROOT TNodes
94 fNodes = new TList();
95 //
96 // Get the Module numeric ID
97 Int_t id = gAlice->GetModuleID(name);
02ca2762 98 if (id>=0) {
99 // Module already added !
100 Warning("Ctor","Module: %s already present at %d\n",name,id);
8494b010 101 return;
102 }
103 //
104 // Add this Module to the list of Modules
02ca2762 105 gAlice->Modules()->Add(this);
8494b010 106 //
107 //
108 SetMarkerColor(3);
109 //
110 // Allocate space for tracking media and material indexes
111 fIdtmed = new TArrayI(100);
112 fIdmate = new TArrayI(100);
113 for(Int_t i=0;i<100;i++) (*fIdmate)[i]=(*fIdtmed)[i]=0;
114 //
115 // Prepare to find the tracking media range
116 fLoMedium = 65536;
117 fHiMedium = 0;
65fb704d 118 SetDebug(gAlice->GetDebug());
8494b010 119}
120
aee8290b 121//_____________________________________________________________________________
122AliModule::AliModule(const AliModule &mod)
123{
124 //
125 // Copy constructor
126 //
8918e700 127 mod.Copy(*this);
aee8290b 128}
129
8494b010 130//_____________________________________________________________________________
131AliModule::~AliModule()
132{
133 //
134 // Destructor
135 //
136 fHistograms = 0;
137 //
138 // Delete ROOT geometry
bf9b027f 139 if(fNodes) {
140 fNodes->Clear();
141 delete fNodes;
142 }
8494b010 143 //
144 // Delete TArray objects
145 delete fIdtmed;
146 delete fIdmate;
147}
148
aee8290b 149//_____________________________________________________________________________
8918e700 150void AliModule::Copy(AliModule & /* mod */) const
aee8290b 151{
152 //
153 // Copy *this onto mod, not implemented for AliModule
154 //
155 Fatal("Copy","Not implemented!\n");
156}
157
8494b010 158//_____________________________________________________________________________
159void AliModule::Disable()
160{
161 //
162 // Disable Module on viewer
163 //
164 fActive = kFALSE;
165 TIter next(fNodes);
166 TNode *node;
167 //
168 // Loop through geometry to disable all
169 // nodes for this Module
170 while((node = (TNode*)next())) {
171 node->SetVisibility(0);
172 }
173}
174
175//_____________________________________________________________________________
176Int_t AliModule::DistancetoPrimitive(Int_t, Int_t)
177{
178 //
179 // Return distance from mouse pointer to object
180 // Dummy routine for the moment
181 //
182 return 9999;
183}
184
185//_____________________________________________________________________________
186void AliModule::Enable()
187{
188 //
189 // Enable Module on the viewver
190 //
191 fActive = kTRUE;
192 TIter next(fNodes);
193 TNode *node;
194 //
195 // Loop through geometry to enable all
196 // nodes for this Module
197 while((node = (TNode*)next())) {
198 node->SetVisibility(1);
199 }
200}
201
202//_____________________________________________________________________________
203void AliModule::AliMaterial(Int_t imat, const char* name, Float_t a,
204 Float_t z, Float_t dens, Float_t radl,
205 Float_t absl, Float_t *buf, Int_t nwbuf) const
206{
207 //
208 // Store the parameters for a material
209 //
210 // imat the material index will be stored in (*fIdmate)[imat]
211 // name material name
212 // a atomic mass
213 // z atomic number
214 // dens density
215 // radl radiation length
216 // absl absorbtion length
217 // buf adress of an array user words
218 // nwbuf number of user words
219 //
220 Int_t kmat;
cfce8870 221 gMC->Material(kmat, name, a, z, dens, radl, absl, buf, nwbuf);
8494b010 222 (*fIdmate)[imat]=kmat;
223}
224
0afa509f 225//_____________________________________________________________________________
226void AliModule::AliGetMaterial(Int_t imat, char* name, Float_t &a,
227 Float_t &z, Float_t &dens, Float_t &radl,
228 Float_t &absl)
229{
230 //
231 // Store the parameters for a material
232 //
233 // imat the material index will be stored in (*fIdmate)[imat]
234 // name material name
235 // a atomic mass
236 // z atomic number
237 // dens density
238 // radl radiation length
239 // absl absorbtion length
240 // buf adress of an array user words
241 // nwbuf number of user words
242 //
243
244 Float_t buf[10];
245 Int_t nwbuf, kmat;
246 kmat=(*fIdmate)[imat];
247 gMC->Gfmate(kmat, name, a, z, dens, radl, absl, buf, nwbuf);
248}
249
8494b010 250
251//_____________________________________________________________________________
252void AliModule::AliMixture(Int_t imat, const char *name, Float_t *a,
253 Float_t *z, Float_t dens, Int_t nlmat,
254 Float_t *wmat) const
255{
256 //
257 // Defines mixture or compound imat as composed by
258 // nlmat materials defined by arrays a, z and wmat
259 //
260 // If nlmat > 0 wmat contains the proportion by
261 // weights of each basic material in the mixture
262 //
263 // If nlmat < 0 wmat contains the number of atoms
264 // of eack kind in the molecule of the compound
265 // In this case, wmat is changed on output to the relative weigths.
266 //
267 // imat the material index will be stored in (*fIdmate)[imat]
268 // name material name
269 // a array of atomic masses
270 // z array of atomic numbers
271 // dens density
272 // nlmat number of components
273 // wmat array of concentrations
274 //
275 Int_t kmat;
cfce8870 276 gMC->Mixture(kmat, name, a, z, dens, nlmat, wmat);
8494b010 277 (*fIdmate)[imat]=kmat;
278}
279
280//_____________________________________________________________________________
281void AliModule::AliMedium(Int_t numed, const char *name, Int_t nmat,
282 Int_t isvol, Int_t ifield, Float_t fieldm,
283 Float_t tmaxfd, Float_t stemax, Float_t deemax,
284 Float_t epsil, Float_t stmin, Float_t *ubuf,
285 Int_t nbuf) const
286{
287 //
288 // Store the parameters of a tracking medium
289 //
b13db077 290 // numed the medium number is stored into (*fIdtmed)[numed]
8494b010 291 // name medium name
292 // nmat the material number is stored into (*fIdmate)[nmat]
293 // isvol sensitive volume if isvol!=0
294 // ifield magnetic field flag (see below)
295 // fieldm maximum magnetic field
296 // tmaxfd maximum deflection angle due to magnetic field
297 // stemax maximum step allowed
298 // deemax maximum fractional energy loss in one step
299 // epsil tracking precision in cm
300 // stmin minimum step due to continuous processes
301 //
302 // ifield = 0 no magnetic field
303 // = -1 user decision in guswim
304 // = 1 tracking performed with Runge Kutta
305 // = 2 tracking performed with helix
306 // = 3 constant magnetic field along z
307 //
308 Int_t kmed;
cfce8870 309 gMC->Medium(kmed,name, (*fIdmate)[nmat], isvol, ifield, fieldm,
8494b010 310 tmaxfd, stemax, deemax, epsil, stmin, ubuf, nbuf);
ad51aeb0 311 (*fIdtmed)[numed]=kmed;
8494b010 312}
313
314//_____________________________________________________________________________
315void AliModule::AliMatrix(Int_t &nmat, Float_t theta1, Float_t phi1,
316 Float_t theta2, Float_t phi2, Float_t theta3,
317 Float_t phi3) const
318{
319 //
320 // Define a rotation matrix. Angles are in degrees.
321 //
322 // nmat on output contains the number assigned to the rotation matrix
323 // theta1 polar angle for axis I
324 // phi1 azimuthal angle for axis I
325 // theta2 polar angle for axis II
326 // phi2 azimuthal angle for axis II
327 // theta3 polar angle for axis III
328 // phi3 azimuthal angle for axis III
329 //
cfce8870 330 gMC->Matrix(nmat, theta1, phi1, theta2, phi2, theta3, phi3);
8494b010 331}
332
aee8290b 333//_____________________________________________________________________________
334AliModule& AliModule::operator=(const AliModule &mod)
335{
336 mod.Copy(*this);
337 return (*this);
338}
339
65fb704d 340//_____________________________________________________________________________
341Float_t AliModule::ZMin() const
342{
343 return -500;
344}
345
346//_____________________________________________________________________________
347Float_t AliModule::ZMax() const
348{
349 return 500;
350}
351
8494b010 352//_____________________________________________________________________________
353void AliModule::SetEuclidFile(char* material, char* geometry)
354{
355 //
356 // Sets the name of the Euclid file
357 //
358 fEuclidMaterial=material;
359 if(geometry) {
360 fEuclidGeometry=geometry;
361 } else {
362 char* name = new char[strlen(material)];
363 strcpy(name,material);
364 strcpy(&name[strlen(name)-4],".euc");
365 fEuclidGeometry=name;
366 delete [] name;
367 }
368}
369
b13db077 370//_____________________________________________________________________________
371void AliModule::ReadEuclid(const char* filnam, char* topvol)
372{
373 //
374 // read in the geometry of the detector in euclid file format
375 //
376 // id_det : the detector identification (2=its,...)
377 // topvol : return parameter describing the name of the top
378 // volume of geometry.
379 //
380 // author : m. maire
381 //
382 // 28.07.98
383 // several changes have been made by miroslav helbich
384 // subroutine is rewrited to follow the new established way of memory
385 // booking for tracking medias and rotation matrices.
386 // all used tracking media have to be defined first, for this you can use
387 // subroutine greutmed.
388 // top volume is searched as only volume not positioned into another
389 //
390
391 Int_t i, nvol, iret, itmed, irot, numed, npar, ndiv, iaxe;
392 Int_t ndvmx, nr, flag;
393 char key[5], card[77], natmed[21];
394 char name[5], mother[5], shape[5], konly[5], volst[7000][5];
395 char *filtmp;
396 Float_t par[50];
397 Float_t teta1, phi1, teta2, phi2, teta3, phi3, orig, step;
398 Float_t xo, yo, zo;
aee8290b 399 const Int_t kMaxRot=5000;
400 Int_t idrot[kMaxRot],istop[7000];
b13db077 401 FILE *lun;
402 //
403 // *** The input filnam name will be with extension '.euc'
404 filtmp=gSystem->ExpandPathName(filnam);
405 lun=fopen(filtmp,"r");
406 delete [] filtmp;
407 if(!lun) {
408 Error("ReadEuclid","Could not open file %s\n",filnam);
409 return;
410 }
411 //* --- definition of rotation matrix 0 ---
412 TArrayI &idtmed = *fIdtmed;
aee8290b 413 for(i=1; i<kMaxRot; ++i) idrot[i]=-99;
b13db077 414 idrot[0]=0;
415 nvol=0;
416 L10:
417 for(i=0;i<77;i++) card[i]=0;
418 iret=fscanf(lun,"%77[^\n]",card);
419 if(iret<=0) goto L20;
420 fscanf(lun,"%*c");
421 //*
422 strncpy(key,card,4);
423 key[4]='\0';
424 if (!strcmp(key,"TMED")) {
425 sscanf(&card[5],"%d '%[^']'",&itmed,natmed);
426 if( itmed<0 || itmed>=100 ) {
427 Error("ReadEuclid","TMED illegal medium number %d for %s\n",itmed,natmed);
428 exit(1);
429 }
430 //Pad the string with blanks
431 i=-1;
432 while(natmed[++i]);
433 while(i<20) natmed[i++]=' ';
434 natmed[i]='\0';
435 //
436 if( idtmed[itmed]<=0 ) {
437 Error("ReadEuclid","TMED undefined medium number %d for %s\n",itmed,natmed);
438 exit(1);
439 }
440 gMC->Gckmat(idtmed[itmed],natmed);
441 //*
442 } else if (!strcmp(key,"ROTM")) {
443 sscanf(&card[4],"%d %f %f %f %f %f %f",&irot,&teta1,&phi1,&teta2,&phi2,&teta3,&phi3);
aee8290b 444 if( irot<=0 || irot>=kMaxRot ) {
b13db077 445 Error("ReadEuclid","ROTM rotation matrix number %d illegal\n",irot);
446 exit(1);
447 }
448 AliMatrix(idrot[irot],teta1,phi1,teta2,phi2,teta3,phi3);
449 //*
450 } else if (!strcmp(key,"VOLU")) {
451 sscanf(&card[5],"'%[^']' '%[^']' %d %d", name, shape, &numed, &npar);
452 if (npar>0) {
453 for(i=0;i<npar;i++) fscanf(lun,"%f",&par[i]);
454 fscanf(lun,"%*c");
455 }
456 gMC->Gsvolu( name, shape, idtmed[numed], par, npar);
457 //* save the defined volumes
458 strcpy(volst[++nvol],name);
459 istop[nvol]=1;
460 //*
461 } else if (!strcmp(key,"DIVN")) {
462 sscanf(&card[5],"'%[^']' '%[^']' %d %d", name, mother, &ndiv, &iaxe);
463 gMC->Gsdvn ( name, mother, ndiv, iaxe );
464 //*
465 } else if (!strcmp(key,"DVN2")) {
466 sscanf(&card[5],"'%[^']' '%[^']' %d %d %f %d",name, mother, &ndiv, &iaxe, &orig, &numed);
467 gMC->Gsdvn2( name, mother, ndiv, iaxe, orig,idtmed[numed]);
468 //*
469 } else if (!strcmp(key,"DIVT")) {
470 sscanf(&card[5],"'%[^']' '%[^']' %f %d %d %d", name, mother, &step, &iaxe, &numed, &ndvmx);
471 gMC->Gsdvt ( name, mother, step, iaxe, idtmed[numed], ndvmx);
472 //*
473 } else if (!strcmp(key,"DVT2")) {
474 sscanf(&card[5],"'%[^']' '%[^']' %f %d %f %d %d", name, mother, &step, &iaxe, &orig, &numed, &ndvmx);
475 gMC->Gsdvt2 ( name, mother, step, iaxe, orig, idtmed[numed], ndvmx );
476 //*
477 } else if (!strcmp(key,"POSI")) {
478 sscanf(&card[5],"'%[^']' %d '%[^']' %f %f %f %d '%[^']'", name, &nr, mother, &xo, &yo, &zo, &irot, konly);
aee8290b 479 if( irot<0 || irot>=kMaxRot ) {
b13db077 480 Error("ReadEuclid","POSI %s#%d rotation matrix number %d illegal\n",name,nr,irot);
481 exit(1);
482 }
483 if( idrot[irot] == -99) {
484 Error("ReadEuclid","POSI %s#%d undefined matrix number %d\n",name,nr,irot);
485 exit(1);
486 }
487 //*** volume name cannot be the top volume
488 for(i=1;i<=nvol;i++) {
489 if (!strcmp(volst[i],name)) istop[i]=0;
490 }
491 //*
492 gMC->Gspos ( name, nr, mother, xo, yo, zo, idrot[irot], konly );
493 //*
494 } else if (!strcmp(key,"POSP")) {
495 sscanf(&card[5],"'%[^']' %d '%[^']' %f %f %f %d '%[^']' %d", name, &nr, mother, &xo, &yo, &zo, &irot, konly, &npar);
aee8290b 496 if( irot<0 || irot>=kMaxRot ) {
b13db077 497 Error("ReadEuclid","POSP %s#%d rotation matrix number %d illegal\n",name,nr,irot);
498 exit(1);
499 }
500 if( idrot[irot] == -99) {
501 Error("ReadEuclid","POSP %s#%d undefined matrix number %d\n",name,nr,irot);
502 exit(1);
503 }
504 if (npar > 0) {
505 for(i=0;i<npar;i++) fscanf(lun,"%f",&par[i]);
506 fscanf(lun,"%*c");
507 }
508 //*** volume name cannot be the top volume
509 for(i=1;i<=nvol;i++) {
510 if (!strcmp(volst[i],name)) istop[i]=0;
511 }
512 //*
513 gMC->Gsposp ( name, nr, mother, xo,yo,zo, idrot[irot], konly, par, npar);
514 }
515 //*
516 if (strcmp(key,"END")) goto L10;
517 //* find top volume in the geometry
518 flag=0;
519 for(i=1;i<=nvol;i++) {
520 if (istop[i] && flag) {
521 Warning("ReadEuclid"," %s is another possible top volume\n",volst[i]);
522 }
523 if (istop[i] && !flag) {
524 strcpy(topvol,volst[i]);
525 printf(" *** GREUCL *** volume %s taken as a top volume\n",topvol);
526 flag=1;
527 }
528 }
529 if (!flag) {
530 Warning("ReadEuclid","top volume not found\n");
531 }
532 fclose (lun);
533 //*
534 //* commented out only for the not cernlib version
535 printf(" *** GREUCL *** file: %s is now read in\n",filnam);
536 //
537 return;
538 //*
539 L20:
540 Error("ReadEuclid","reading error or premature end of file\n");
541}
542
543//_____________________________________________________________________________
544void AliModule::ReadEuclidMedia(const char* filnam)
545{
546 //
547 // read in the materials and tracking media for the detector
548 // in euclid file format
549 //
550 // filnam: name of the input file
551 // id_det: id_det is the detector identification (2=its,...)
552 //
553 // author : miroslav helbich
554 //
555 Float_t sxmgmx = gAlice->Field()->Max();
556 Int_t isxfld = gAlice->Field()->Integ();
557 Int_t end, i, iret, itmed;
558 char key[5], card[130], natmed[21], namate[21];
559 Float_t ubuf[50];
560 char* filtmp;
561 FILE *lun;
562 Int_t imate;
563 Int_t nwbuf, isvol, ifield, nmat;
564 Float_t a, z, dens, radl, absl, fieldm, tmaxfd, stemax, deemax, epsil, stmin;
565 //
566 end=strlen(filnam);
567 for(i=0;i<end;i++) if(filnam[i]=='.') {
568 end=i;
569 break;
570 }
571 //
572 // *** The input filnam name will be with extension '.euc'
573 printf("The file name is %s\n",filnam); //Debug
574 filtmp=gSystem->ExpandPathName(filnam);
575 lun=fopen(filtmp,"r");
576 delete [] filtmp;
577 if(!lun) {
578 Warning("ReadEuclidMedia","Could not open file %s\n",filnam);
579 return;
580 }
581 //
582 // Retrieve Mag Field parameters
aee8290b 583 Int_t globField=gAlice->Field()->Integ();
584 Float_t globMaxField=gAlice->Field()->Max();
b13db077 585 // TArrayI &idtmed = *fIdtmed;
586 //
587 L10:
588 for(i=0;i<130;i++) card[i]=0;
589 iret=fscanf(lun,"%4s %[^\n]",key,card);
590 if(iret<=0) goto L20;
591 fscanf(lun,"%*c");
592 //*
593 //* read material
594 if (!strcmp(key,"MATE")) {
595 sscanf(card,"%d '%[^']' %f %f %f %f %f %d",&imate,namate,&a,&z,&dens,&radl,&absl,&nwbuf);
596 if (nwbuf>0) for(i=0;i<nwbuf;i++) fscanf(lun,"%f",&ubuf[i]);
597 //Pad the string with blanks
598 i=-1;
599 while(namate[++i]);
600 while(i<20) namate[i++]=' ';
601 namate[i]='\0';
602 //
603 AliMaterial(imate,namate,a,z,dens,radl,absl,ubuf,nwbuf);
604 //* read tracking medium
605 } else if (!strcmp(key,"TMED")) {
606 sscanf(card,"%d '%[^']' %d %d %d %f %f %f %f %f %f %d",
607 &itmed,natmed,&nmat,&isvol,&ifield,&fieldm,&tmaxfd,
608 &stemax,&deemax,&epsil,&stmin,&nwbuf);
609 if (nwbuf>0) for(i=0;i<nwbuf;i++) fscanf(lun,"%f",&ubuf[i]);
610 if (ifield<0) ifield=isxfld;
611 if (fieldm<0) fieldm=sxmgmx;
612 //Pad the string with blanks
613 i=-1;
614 while(natmed[++i]);
615 while(i<20) natmed[i++]=' ';
616 natmed[i]='\0';
617 //
aee8290b 618 AliMedium(itmed,natmed,nmat,isvol,globField,globMaxField,tmaxfd,
b13db077 619 stemax,deemax,epsil,stmin,ubuf,nwbuf);
620 // (*fImedia)[idtmed[itmed]-1]=id_det;
621 //*
622 }
623 //*
624 if (strcmp(key,"END")) goto L10;
625 fclose (lun);
626 //*
627 //* commented out only for the not cernlib version
628 Warning("ReadEuclidMedia","file: %s is now read in\n",filnam);
629 //*
630 return;
631 //*
632 L20:
633 Warning("ReadEuclidMedia","reading error or premature end of file\n");
634}
635
8494b010 636