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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$Log$
9e1a0ddb 18Revision 1.15 2001/03/20 06:36:28 alibrary
19100 parameters now allowed for geant shapes
20
d43b40e2 21Revision 1.14 2001/01/26 19:58:48 hristov
22Major upgrade of AliRoot code
23
2ab0c725 24Revision 1.13 2000/11/30 07:12:49 alibrary
25Introducing new Rndm and QA classes
26
65fb704d 27Revision 1.12 2000/10/02 21:28:14 fca
28Removal of useless dependecies via forward declarations
29
94de3818 30Revision 1.11 2000/07/12 08:56:25 fca
31Coding convention correction and warning removal
32
8918e700 33Revision 1.10 2000/07/11 18:24:59 fca
34Coding convention corrections + few minor bug fixes
35
aee8290b 36Revision 1.9 2000/05/16 08:45:08 fca
37Correct dtor, thanks to J.Belikov
38
bf9b027f 39Revision 1.8 2000/02/23 16:25:22 fca
40AliVMC and AliGeant3 classes introduced
41ReadEuclid moved from AliRun to AliModule
42
b13db077 43Revision 1.7 1999/09/29 09:24:29 fca
44Introduction of the Copyright and cvs Log
45
4c039060 46*/
47
8494b010 48///////////////////////////////////////////////////////////////////////////////
49// //
50// Base class for ALICE modules. Both sensitive modules (Modules) and //
51// non-sensitive ones are described by this base class. This class //
52// supports the hit and digit trees produced by the simulation and also //
53// the objects produced by the reconstruction. //
54// //
55// This class is also responsible for building the geometry of the //
56// Modules. //
57// //
58//Begin_Html
59/*
1439f98e 60<img src="picts/AliModuleClass.gif">
8494b010 61*/
62//End_Html
63// //
64///////////////////////////////////////////////////////////////////////////////
94de3818 65#include <TNode.h>
94de3818 66#include "TSystem.h"
67
8494b010 68#include "AliModule.h"
69#include "AliRun.h"
94de3818 70#include "AliMagF.h"
71#include "AliMC.h"
9e1a0ddb 72#include "AliConfig.h"
8494b010 73
74ClassImp(AliModule)
75
76//_____________________________________________________________________________
77AliModule::AliModule()
78{
79 //
80 // Default constructor for the AliModule class
81 //
82 fHistograms = 0;
83 fNodes = 0;
aee8290b 84 fIdtmed = 0;
85 fIdmate = 0;
9e1a0ddb 86 fDebug = 0;
8494b010 87}
88
89//_____________________________________________________________________________
90AliModule::AliModule(const char* name,const char *title):TNamed(name,title)
91{
92 //
93 // Normal constructor invoked by all Modules.
94 // Create the list for Module specific histograms
95 // Add this Module to the global list of Modules in Run.
96 //
97 //
98 // Initialises the histogram list
99 fHistograms = new TList();
100 //
101 // Initialises the list of ROOT TNodes
102 fNodes = new TList();
103 //
104 // Get the Module numeric ID
105 Int_t id = gAlice->GetModuleID(name);
02ca2762 106 if (id>=0) {
107 // Module already added !
108 Warning("Ctor","Module: %s already present at %d\n",name,id);
8494b010 109 return;
110 }
111 //
112 // Add this Module to the list of Modules
02ca2762 113 gAlice->Modules()->Add(this);
8494b010 114 //
115 //
116 SetMarkerColor(3);
117 //
118 // Allocate space for tracking media and material indexes
119 fIdtmed = new TArrayI(100);
120 fIdmate = new TArrayI(100);
121 for(Int_t i=0;i<100;i++) (*fIdmate)[i]=(*fIdtmed)[i]=0;
122 //
123 // Prepare to find the tracking media range
124 fLoMedium = 65536;
125 fHiMedium = 0;
9e1a0ddb 126
127 AliConfig::Instance()->Add(this);
128
65fb704d 129 SetDebug(gAlice->GetDebug());
8494b010 130}
131
aee8290b 132//_____________________________________________________________________________
133AliModule::AliModule(const AliModule &mod)
134{
135 //
136 // Copy constructor
137 //
8918e700 138 mod.Copy(*this);
aee8290b 139}
140
8494b010 141//_____________________________________________________________________________
142AliModule::~AliModule()
143{
144 //
145 // Destructor
146 //
147 fHistograms = 0;
148 //
149 // Delete ROOT geometry
bf9b027f 150 if(fNodes) {
151 fNodes->Clear();
152 delete fNodes;
153 }
8494b010 154 //
155 // Delete TArray objects
156 delete fIdtmed;
157 delete fIdmate;
158}
159
aee8290b 160//_____________________________________________________________________________
8918e700 161void AliModule::Copy(AliModule & /* mod */) const
aee8290b 162{
163 //
164 // Copy *this onto mod, not implemented for AliModule
165 //
166 Fatal("Copy","Not implemented!\n");
167}
168
8494b010 169//_____________________________________________________________________________
170void AliModule::Disable()
171{
172 //
173 // Disable Module on viewer
174 //
175 fActive = kFALSE;
176 TIter next(fNodes);
177 TNode *node;
178 //
179 // Loop through geometry to disable all
180 // nodes for this Module
181 while((node = (TNode*)next())) {
182 node->SetVisibility(0);
183 }
184}
185
186//_____________________________________________________________________________
187Int_t AliModule::DistancetoPrimitive(Int_t, Int_t)
188{
189 //
190 // Return distance from mouse pointer to object
191 // Dummy routine for the moment
192 //
193 return 9999;
194}
195
196//_____________________________________________________________________________
197void AliModule::Enable()
198{
199 //
200 // Enable Module on the viewver
201 //
202 fActive = kTRUE;
203 TIter next(fNodes);
204 TNode *node;
205 //
206 // Loop through geometry to enable all
207 // nodes for this Module
208 while((node = (TNode*)next())) {
209 node->SetVisibility(1);
210 }
211}
212
213//_____________________________________________________________________________
214void AliModule::AliMaterial(Int_t imat, const char* name, Float_t a,
215 Float_t z, Float_t dens, Float_t radl,
216 Float_t absl, Float_t *buf, Int_t nwbuf) const
217{
218 //
219 // Store the parameters for a material
220 //
221 // imat the material index will be stored in (*fIdmate)[imat]
222 // name material name
223 // a atomic mass
224 // z atomic number
225 // dens density
226 // radl radiation length
227 // absl absorbtion length
228 // buf adress of an array user words
229 // nwbuf number of user words
230 //
231 Int_t kmat;
cfce8870 232 gMC->Material(kmat, name, a, z, dens, radl, absl, buf, nwbuf);
8494b010 233 (*fIdmate)[imat]=kmat;
234}
235
0afa509f 236//_____________________________________________________________________________
237void AliModule::AliGetMaterial(Int_t imat, char* name, Float_t &a,
238 Float_t &z, Float_t &dens, Float_t &radl,
239 Float_t &absl)
240{
241 //
242 // Store the parameters for a material
243 //
244 // imat the material index will be stored in (*fIdmate)[imat]
245 // name material name
246 // a atomic mass
247 // z atomic number
248 // dens density
249 // radl radiation length
250 // absl absorbtion length
251 // buf adress of an array user words
252 // nwbuf number of user words
253 //
254
255 Float_t buf[10];
256 Int_t nwbuf, kmat;
257 kmat=(*fIdmate)[imat];
258 gMC->Gfmate(kmat, name, a, z, dens, radl, absl, buf, nwbuf);
259}
260
8494b010 261
262//_____________________________________________________________________________
263void AliModule::AliMixture(Int_t imat, const char *name, Float_t *a,
264 Float_t *z, Float_t dens, Int_t nlmat,
265 Float_t *wmat) const
266{
267 //
268 // Defines mixture or compound imat as composed by
269 // nlmat materials defined by arrays a, z and wmat
270 //
271 // If nlmat > 0 wmat contains the proportion by
272 // weights of each basic material in the mixture
273 //
274 // If nlmat < 0 wmat contains the number of atoms
275 // of eack kind in the molecule of the compound
276 // In this case, wmat is changed on output to the relative weigths.
277 //
278 // imat the material index will be stored in (*fIdmate)[imat]
279 // name material name
280 // a array of atomic masses
281 // z array of atomic numbers
282 // dens density
283 // nlmat number of components
284 // wmat array of concentrations
285 //
286 Int_t kmat;
cfce8870 287 gMC->Mixture(kmat, name, a, z, dens, nlmat, wmat);
8494b010 288 (*fIdmate)[imat]=kmat;
289}
290
291//_____________________________________________________________________________
292void AliModule::AliMedium(Int_t numed, const char *name, Int_t nmat,
293 Int_t isvol, Int_t ifield, Float_t fieldm,
294 Float_t tmaxfd, Float_t stemax, Float_t deemax,
295 Float_t epsil, Float_t stmin, Float_t *ubuf,
296 Int_t nbuf) const
297{
298 //
299 // Store the parameters of a tracking medium
300 //
b13db077 301 // numed the medium number is stored into (*fIdtmed)[numed]
8494b010 302 // name medium name
303 // nmat the material number is stored into (*fIdmate)[nmat]
304 // isvol sensitive volume if isvol!=0
305 // ifield magnetic field flag (see below)
306 // fieldm maximum magnetic field
307 // tmaxfd maximum deflection angle due to magnetic field
308 // stemax maximum step allowed
309 // deemax maximum fractional energy loss in one step
310 // epsil tracking precision in cm
311 // stmin minimum step due to continuous processes
312 //
313 // ifield = 0 no magnetic field
314 // = -1 user decision in guswim
315 // = 1 tracking performed with Runge Kutta
316 // = 2 tracking performed with helix
317 // = 3 constant magnetic field along z
318 //
319 Int_t kmed;
cfce8870 320 gMC->Medium(kmed,name, (*fIdmate)[nmat], isvol, ifield, fieldm,
8494b010 321 tmaxfd, stemax, deemax, epsil, stmin, ubuf, nbuf);
ad51aeb0 322 (*fIdtmed)[numed]=kmed;
8494b010 323}
324
325//_____________________________________________________________________________
326void AliModule::AliMatrix(Int_t &nmat, Float_t theta1, Float_t phi1,
327 Float_t theta2, Float_t phi2, Float_t theta3,
328 Float_t phi3) const
329{
330 //
331 // Define a rotation matrix. Angles are in degrees.
332 //
333 // nmat on output contains the number assigned to the rotation matrix
334 // theta1 polar angle for axis I
335 // phi1 azimuthal angle for axis I
336 // theta2 polar angle for axis II
337 // phi2 azimuthal angle for axis II
338 // theta3 polar angle for axis III
339 // phi3 azimuthal angle for axis III
340 //
cfce8870 341 gMC->Matrix(nmat, theta1, phi1, theta2, phi2, theta3, phi3);
8494b010 342}
343
aee8290b 344//_____________________________________________________________________________
345AliModule& AliModule::operator=(const AliModule &mod)
346{
347 mod.Copy(*this);
348 return (*this);
349}
350
65fb704d 351//_____________________________________________________________________________
352Float_t AliModule::ZMin() const
353{
354 return -500;
355}
356
357//_____________________________________________________________________________
358Float_t AliModule::ZMax() const
359{
360 return 500;
361}
362
8494b010 363//_____________________________________________________________________________
364void AliModule::SetEuclidFile(char* material, char* geometry)
365{
366 //
367 // Sets the name of the Euclid file
368 //
369 fEuclidMaterial=material;
370 if(geometry) {
371 fEuclidGeometry=geometry;
372 } else {
373 char* name = new char[strlen(material)];
374 strcpy(name,material);
375 strcpy(&name[strlen(name)-4],".euc");
376 fEuclidGeometry=name;
377 delete [] name;
378 }
379}
380
b13db077 381//_____________________________________________________________________________
382void AliModule::ReadEuclid(const char* filnam, char* topvol)
383{
384 //
385 // read in the geometry of the detector in euclid file format
386 //
387 // id_det : the detector identification (2=its,...)
388 // topvol : return parameter describing the name of the top
389 // volume of geometry.
390 //
391 // author : m. maire
392 //
393 // 28.07.98
394 // several changes have been made by miroslav helbich
395 // subroutine is rewrited to follow the new established way of memory
396 // booking for tracking medias and rotation matrices.
397 // all used tracking media have to be defined first, for this you can use
398 // subroutine greutmed.
399 // top volume is searched as only volume not positioned into another
400 //
401
402 Int_t i, nvol, iret, itmed, irot, numed, npar, ndiv, iaxe;
403 Int_t ndvmx, nr, flag;
404 char key[5], card[77], natmed[21];
405 char name[5], mother[5], shape[5], konly[5], volst[7000][5];
406 char *filtmp;
d43b40e2 407 Float_t par[100];
b13db077 408 Float_t teta1, phi1, teta2, phi2, teta3, phi3, orig, step;
409 Float_t xo, yo, zo;
aee8290b 410 const Int_t kMaxRot=5000;
411 Int_t idrot[kMaxRot],istop[7000];
b13db077 412 FILE *lun;
413 //
414 // *** The input filnam name will be with extension '.euc'
415 filtmp=gSystem->ExpandPathName(filnam);
416 lun=fopen(filtmp,"r");
417 delete [] filtmp;
418 if(!lun) {
419 Error("ReadEuclid","Could not open file %s\n",filnam);
420 return;
421 }
422 //* --- definition of rotation matrix 0 ---
423 TArrayI &idtmed = *fIdtmed;
aee8290b 424 for(i=1; i<kMaxRot; ++i) idrot[i]=-99;
b13db077 425 idrot[0]=0;
426 nvol=0;
427 L10:
428 for(i=0;i<77;i++) card[i]=0;
429 iret=fscanf(lun,"%77[^\n]",card);
430 if(iret<=0) goto L20;
431 fscanf(lun,"%*c");
432 //*
433 strncpy(key,card,4);
434 key[4]='\0';
435 if (!strcmp(key,"TMED")) {
436 sscanf(&card[5],"%d '%[^']'",&itmed,natmed);
437 if( itmed<0 || itmed>=100 ) {
438 Error("ReadEuclid","TMED illegal medium number %d for %s\n",itmed,natmed);
439 exit(1);
440 }
441 //Pad the string with blanks
442 i=-1;
443 while(natmed[++i]);
444 while(i<20) natmed[i++]=' ';
445 natmed[i]='\0';
446 //
447 if( idtmed[itmed]<=0 ) {
448 Error("ReadEuclid","TMED undefined medium number %d for %s\n",itmed,natmed);
449 exit(1);
450 }
451 gMC->Gckmat(idtmed[itmed],natmed);
452 //*
453 } else if (!strcmp(key,"ROTM")) {
454 sscanf(&card[4],"%d %f %f %f %f %f %f",&irot,&teta1,&phi1,&teta2,&phi2,&teta3,&phi3);
aee8290b 455 if( irot<=0 || irot>=kMaxRot ) {
b13db077 456 Error("ReadEuclid","ROTM rotation matrix number %d illegal\n",irot);
457 exit(1);
458 }
459 AliMatrix(idrot[irot],teta1,phi1,teta2,phi2,teta3,phi3);
460 //*
461 } else if (!strcmp(key,"VOLU")) {
462 sscanf(&card[5],"'%[^']' '%[^']' %d %d", name, shape, &numed, &npar);
463 if (npar>0) {
464 for(i=0;i<npar;i++) fscanf(lun,"%f",&par[i]);
465 fscanf(lun,"%*c");
466 }
467 gMC->Gsvolu( name, shape, idtmed[numed], par, npar);
468 //* save the defined volumes
469 strcpy(volst[++nvol],name);
470 istop[nvol]=1;
471 //*
472 } else if (!strcmp(key,"DIVN")) {
473 sscanf(&card[5],"'%[^']' '%[^']' %d %d", name, mother, &ndiv, &iaxe);
474 gMC->Gsdvn ( name, mother, ndiv, iaxe );
475 //*
476 } else if (!strcmp(key,"DVN2")) {
477 sscanf(&card[5],"'%[^']' '%[^']' %d %d %f %d",name, mother, &ndiv, &iaxe, &orig, &numed);
478 gMC->Gsdvn2( name, mother, ndiv, iaxe, orig,idtmed[numed]);
479 //*
480 } else if (!strcmp(key,"DIVT")) {
481 sscanf(&card[5],"'%[^']' '%[^']' %f %d %d %d", name, mother, &step, &iaxe, &numed, &ndvmx);
482 gMC->Gsdvt ( name, mother, step, iaxe, idtmed[numed], ndvmx);
483 //*
484 } else if (!strcmp(key,"DVT2")) {
485 sscanf(&card[5],"'%[^']' '%[^']' %f %d %f %d %d", name, mother, &step, &iaxe, &orig, &numed, &ndvmx);
486 gMC->Gsdvt2 ( name, mother, step, iaxe, orig, idtmed[numed], ndvmx );
487 //*
488 } else if (!strcmp(key,"POSI")) {
489 sscanf(&card[5],"'%[^']' %d '%[^']' %f %f %f %d '%[^']'", name, &nr, mother, &xo, &yo, &zo, &irot, konly);
aee8290b 490 if( irot<0 || irot>=kMaxRot ) {
b13db077 491 Error("ReadEuclid","POSI %s#%d rotation matrix number %d illegal\n",name,nr,irot);
492 exit(1);
493 }
494 if( idrot[irot] == -99) {
495 Error("ReadEuclid","POSI %s#%d undefined matrix number %d\n",name,nr,irot);
496 exit(1);
497 }
498 //*** volume name cannot be the top volume
499 for(i=1;i<=nvol;i++) {
500 if (!strcmp(volst[i],name)) istop[i]=0;
501 }
502 //*
503 gMC->Gspos ( name, nr, mother, xo, yo, zo, idrot[irot], konly );
504 //*
505 } else if (!strcmp(key,"POSP")) {
506 sscanf(&card[5],"'%[^']' %d '%[^']' %f %f %f %d '%[^']' %d", name, &nr, mother, &xo, &yo, &zo, &irot, konly, &npar);
aee8290b 507 if( irot<0 || irot>=kMaxRot ) {
b13db077 508 Error("ReadEuclid","POSP %s#%d rotation matrix number %d illegal\n",name,nr,irot);
509 exit(1);
510 }
511 if( idrot[irot] == -99) {
512 Error("ReadEuclid","POSP %s#%d undefined matrix number %d\n",name,nr,irot);
513 exit(1);
514 }
515 if (npar > 0) {
516 for(i=0;i<npar;i++) fscanf(lun,"%f",&par[i]);
517 fscanf(lun,"%*c");
518 }
519 //*** volume name cannot be the top volume
520 for(i=1;i<=nvol;i++) {
521 if (!strcmp(volst[i],name)) istop[i]=0;
522 }
523 //*
524 gMC->Gsposp ( name, nr, mother, xo,yo,zo, idrot[irot], konly, par, npar);
525 }
526 //*
527 if (strcmp(key,"END")) goto L10;
528 //* find top volume in the geometry
529 flag=0;
530 for(i=1;i<=nvol;i++) {
531 if (istop[i] && flag) {
532 Warning("ReadEuclid"," %s is another possible top volume\n",volst[i]);
533 }
534 if (istop[i] && !flag) {
535 strcpy(topvol,volst[i]);
9e1a0ddb 536 if(fDebug) printf("%s::ReadEuclid: volume %s taken as a top volume\n",ClassName(),topvol);
b13db077 537 flag=1;
538 }
539 }
540 if (!flag) {
541 Warning("ReadEuclid","top volume not found\n");
542 }
543 fclose (lun);
544 //*
545 //* commented out only for the not cernlib version
9e1a0ddb 546 if(fDebug) printf("%s::ReadEuclid: file: %s is now read in\n",ClassName(),filnam);
b13db077 547 //
548 return;
549 //*
550 L20:
551 Error("ReadEuclid","reading error or premature end of file\n");
552}
553
554//_____________________________________________________________________________
555void AliModule::ReadEuclidMedia(const char* filnam)
556{
557 //
558 // read in the materials and tracking media for the detector
559 // in euclid file format
560 //
561 // filnam: name of the input file
562 // id_det: id_det is the detector identification (2=its,...)
563 //
564 // author : miroslav helbich
565 //
566 Float_t sxmgmx = gAlice->Field()->Max();
567 Int_t isxfld = gAlice->Field()->Integ();
568 Int_t end, i, iret, itmed;
569 char key[5], card[130], natmed[21], namate[21];
570 Float_t ubuf[50];
571 char* filtmp;
572 FILE *lun;
573 Int_t imate;
574 Int_t nwbuf, isvol, ifield, nmat;
575 Float_t a, z, dens, radl, absl, fieldm, tmaxfd, stemax, deemax, epsil, stmin;
576 //
577 end=strlen(filnam);
578 for(i=0;i<end;i++) if(filnam[i]=='.') {
579 end=i;
580 break;
581 }
582 //
583 // *** The input filnam name will be with extension '.euc'
9e1a0ddb 584 if(fDebug) printf("%s::ReadEuclid: The file name is %s\n",ClassName(),filnam); //Debug
b13db077 585 filtmp=gSystem->ExpandPathName(filnam);
586 lun=fopen(filtmp,"r");
587 delete [] filtmp;
588 if(!lun) {
589 Warning("ReadEuclidMedia","Could not open file %s\n",filnam);
590 return;
591 }
592 //
593 // Retrieve Mag Field parameters
aee8290b 594 Int_t globField=gAlice->Field()->Integ();
595 Float_t globMaxField=gAlice->Field()->Max();
b13db077 596 // TArrayI &idtmed = *fIdtmed;
597 //
598 L10:
599 for(i=0;i<130;i++) card[i]=0;
600 iret=fscanf(lun,"%4s %[^\n]",key,card);
601 if(iret<=0) goto L20;
602 fscanf(lun,"%*c");
603 //*
604 //* read material
605 if (!strcmp(key,"MATE")) {
606 sscanf(card,"%d '%[^']' %f %f %f %f %f %d",&imate,namate,&a,&z,&dens,&radl,&absl,&nwbuf);
607 if (nwbuf>0) for(i=0;i<nwbuf;i++) fscanf(lun,"%f",&ubuf[i]);
608 //Pad the string with blanks
609 i=-1;
610 while(namate[++i]);
611 while(i<20) namate[i++]=' ';
612 namate[i]='\0';
613 //
614 AliMaterial(imate,namate,a,z,dens,radl,absl,ubuf,nwbuf);
615 //* read tracking medium
616 } else if (!strcmp(key,"TMED")) {
617 sscanf(card,"%d '%[^']' %d %d %d %f %f %f %f %f %f %d",
618 &itmed,natmed,&nmat,&isvol,&ifield,&fieldm,&tmaxfd,
619 &stemax,&deemax,&epsil,&stmin,&nwbuf);
620 if (nwbuf>0) for(i=0;i<nwbuf;i++) fscanf(lun,"%f",&ubuf[i]);
621 if (ifield<0) ifield=isxfld;
622 if (fieldm<0) fieldm=sxmgmx;
623 //Pad the string with blanks
624 i=-1;
625 while(natmed[++i]);
626 while(i<20) natmed[i++]=' ';
627 natmed[i]='\0';
628 //
aee8290b 629 AliMedium(itmed,natmed,nmat,isvol,globField,globMaxField,tmaxfd,
b13db077 630 stemax,deemax,epsil,stmin,ubuf,nwbuf);
631 // (*fImedia)[idtmed[itmed]-1]=id_det;
632 //*
633 }
634 //*
635 if (strcmp(key,"END")) goto L10;
636 fclose (lun);
637 //*
638 //* commented out only for the not cernlib version
9e1a0ddb 639 if(fDebug) printf("%s::ReadEuclidMedia: file %s is now read in\n",
640 ClassName(),filnam);
b13db077 641 //*
642 return;
643 //*
644 L20:
645 Warning("ReadEuclidMedia","reading error or premature end of file\n");
646}
647
8494b010 648