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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$Log$
5bef1017 18Revision 1.16 2001/05/16 14:57:22 alibrary
19New files for folders and Stack
20
9e1a0ddb 21Revision 1.15 2001/03/20 06:36:28 alibrary
22100 parameters now allowed for geant shapes
23
d43b40e2 24Revision 1.14 2001/01/26 19:58:48 hristov
25Major upgrade of AliRoot code
26
2ab0c725 27Revision 1.13 2000/11/30 07:12:49 alibrary
28Introducing new Rndm and QA classes
29
65fb704d 30Revision 1.12 2000/10/02 21:28:14 fca
31Removal of useless dependecies via forward declarations
32
94de3818 33Revision 1.11 2000/07/12 08:56:25 fca
34Coding convention correction and warning removal
35
8918e700 36Revision 1.10 2000/07/11 18:24:59 fca
37Coding convention corrections + few minor bug fixes
38
aee8290b 39Revision 1.9 2000/05/16 08:45:08 fca
40Correct dtor, thanks to J.Belikov
41
bf9b027f 42Revision 1.8 2000/02/23 16:25:22 fca
43AliVMC and AliGeant3 classes introduced
44ReadEuclid moved from AliRun to AliModule
45
b13db077 46Revision 1.7 1999/09/29 09:24:29 fca
47Introduction of the Copyright and cvs Log
48
4c039060 49*/
50
8494b010 51///////////////////////////////////////////////////////////////////////////////
52// //
53// Base class for ALICE modules. Both sensitive modules (Modules) and //
54// non-sensitive ones are described by this base class. This class //
55// supports the hit and digit trees produced by the simulation and also //
56// the objects produced by the reconstruction. //
57// //
58// This class is also responsible for building the geometry of the //
59// Modules. //
60// //
61//Begin_Html
62/*
1439f98e 63<img src="picts/AliModuleClass.gif">
8494b010 64*/
65//End_Html
66// //
67///////////////////////////////////////////////////////////////////////////////
94de3818 68#include <TNode.h>
94de3818 69#include "TSystem.h"
70
8494b010 71#include "AliModule.h"
72#include "AliRun.h"
94de3818 73#include "AliMagF.h"
74#include "AliMC.h"
9e1a0ddb 75#include "AliConfig.h"
8494b010 76
77ClassImp(AliModule)
78
79//_____________________________________________________________________________
80AliModule::AliModule()
81{
82 //
83 // Default constructor for the AliModule class
84 //
85 fHistograms = 0;
86 fNodes = 0;
aee8290b 87 fIdtmed = 0;
88 fIdmate = 0;
9e1a0ddb 89 fDebug = 0;
8494b010 90}
91
92//_____________________________________________________________________________
93AliModule::AliModule(const char* name,const char *title):TNamed(name,title)
94{
95 //
96 // Normal constructor invoked by all Modules.
97 // Create the list for Module specific histograms
98 // Add this Module to the global list of Modules in Run.
99 //
100 //
101 // Initialises the histogram list
102 fHistograms = new TList();
103 //
104 // Initialises the list of ROOT TNodes
105 fNodes = new TList();
106 //
107 // Get the Module numeric ID
108 Int_t id = gAlice->GetModuleID(name);
02ca2762 109 if (id>=0) {
110 // Module already added !
111 Warning("Ctor","Module: %s already present at %d\n",name,id);
8494b010 112 return;
113 }
114 //
115 // Add this Module to the list of Modules
02ca2762 116 gAlice->Modules()->Add(this);
8494b010 117 //
118 //
119 SetMarkerColor(3);
120 //
121 // Allocate space for tracking media and material indexes
122 fIdtmed = new TArrayI(100);
123 fIdmate = new TArrayI(100);
124 for(Int_t i=0;i<100;i++) (*fIdmate)[i]=(*fIdtmed)[i]=0;
125 //
126 // Prepare to find the tracking media range
127 fLoMedium = 65536;
128 fHiMedium = 0;
9e1a0ddb 129
130 AliConfig::Instance()->Add(this);
131
65fb704d 132 SetDebug(gAlice->GetDebug());
8494b010 133}
134
aee8290b 135//_____________________________________________________________________________
136AliModule::AliModule(const AliModule &mod)
137{
138 //
139 // Copy constructor
140 //
8918e700 141 mod.Copy(*this);
aee8290b 142}
143
8494b010 144//_____________________________________________________________________________
145AliModule::~AliModule()
146{
147 //
148 // Destructor
149 //
150 fHistograms = 0;
151 //
152 // Delete ROOT geometry
bf9b027f 153 if(fNodes) {
154 fNodes->Clear();
155 delete fNodes;
156 }
8494b010 157 //
158 // Delete TArray objects
159 delete fIdtmed;
160 delete fIdmate;
161}
162
aee8290b 163//_____________________________________________________________________________
8918e700 164void AliModule::Copy(AliModule & /* mod */) const
aee8290b 165{
166 //
167 // Copy *this onto mod, not implemented for AliModule
168 //
169 Fatal("Copy","Not implemented!\n");
170}
171
8494b010 172//_____________________________________________________________________________
173void AliModule::Disable()
174{
175 //
176 // Disable Module on viewer
177 //
178 fActive = kFALSE;
179 TIter next(fNodes);
180 TNode *node;
181 //
182 // Loop through geometry to disable all
183 // nodes for this Module
184 while((node = (TNode*)next())) {
5bef1017 185 node->SetVisibility(-1);
8494b010 186 }
187}
188
189//_____________________________________________________________________________
190Int_t AliModule::DistancetoPrimitive(Int_t, Int_t)
191{
192 //
193 // Return distance from mouse pointer to object
194 // Dummy routine for the moment
195 //
196 return 9999;
197}
198
199//_____________________________________________________________________________
200void AliModule::Enable()
201{
202 //
203 // Enable Module on the viewver
204 //
205 fActive = kTRUE;
206 TIter next(fNodes);
207 TNode *node;
208 //
209 // Loop through geometry to enable all
210 // nodes for this Module
211 while((node = (TNode*)next())) {
5bef1017 212 node->SetVisibility(3);
8494b010 213 }
214}
215
216//_____________________________________________________________________________
217void AliModule::AliMaterial(Int_t imat, const char* name, Float_t a,
218 Float_t z, Float_t dens, Float_t radl,
219 Float_t absl, Float_t *buf, Int_t nwbuf) const
220{
221 //
222 // Store the parameters for a material
223 //
224 // imat the material index will be stored in (*fIdmate)[imat]
225 // name material name
226 // a atomic mass
227 // z atomic number
228 // dens density
229 // radl radiation length
230 // absl absorbtion length
231 // buf adress of an array user words
232 // nwbuf number of user words
233 //
234 Int_t kmat;
cfce8870 235 gMC->Material(kmat, name, a, z, dens, radl, absl, buf, nwbuf);
8494b010 236 (*fIdmate)[imat]=kmat;
237}
238
0afa509f 239//_____________________________________________________________________________
240void AliModule::AliGetMaterial(Int_t imat, char* name, Float_t &a,
241 Float_t &z, Float_t &dens, Float_t &radl,
242 Float_t &absl)
243{
244 //
245 // Store the parameters for a material
246 //
247 // imat the material index will be stored in (*fIdmate)[imat]
248 // name material name
249 // a atomic mass
250 // z atomic number
251 // dens density
252 // radl radiation length
253 // absl absorbtion length
254 // buf adress of an array user words
255 // nwbuf number of user words
256 //
257
258 Float_t buf[10];
259 Int_t nwbuf, kmat;
260 kmat=(*fIdmate)[imat];
261 gMC->Gfmate(kmat, name, a, z, dens, radl, absl, buf, nwbuf);
262}
263
8494b010 264
265//_____________________________________________________________________________
266void AliModule::AliMixture(Int_t imat, const char *name, Float_t *a,
267 Float_t *z, Float_t dens, Int_t nlmat,
268 Float_t *wmat) const
269{
270 //
271 // Defines mixture or compound imat as composed by
272 // nlmat materials defined by arrays a, z and wmat
273 //
274 // If nlmat > 0 wmat contains the proportion by
275 // weights of each basic material in the mixture
276 //
277 // If nlmat < 0 wmat contains the number of atoms
278 // of eack kind in the molecule of the compound
279 // In this case, wmat is changed on output to the relative weigths.
280 //
281 // imat the material index will be stored in (*fIdmate)[imat]
282 // name material name
283 // a array of atomic masses
284 // z array of atomic numbers
285 // dens density
286 // nlmat number of components
287 // wmat array of concentrations
288 //
289 Int_t kmat;
cfce8870 290 gMC->Mixture(kmat, name, a, z, dens, nlmat, wmat);
8494b010 291 (*fIdmate)[imat]=kmat;
292}
293
294//_____________________________________________________________________________
295void AliModule::AliMedium(Int_t numed, const char *name, Int_t nmat,
296 Int_t isvol, Int_t ifield, Float_t fieldm,
297 Float_t tmaxfd, Float_t stemax, Float_t deemax,
298 Float_t epsil, Float_t stmin, Float_t *ubuf,
299 Int_t nbuf) const
300{
301 //
302 // Store the parameters of a tracking medium
303 //
b13db077 304 // numed the medium number is stored into (*fIdtmed)[numed]
8494b010 305 // name medium name
306 // nmat the material number is stored into (*fIdmate)[nmat]
307 // isvol sensitive volume if isvol!=0
308 // ifield magnetic field flag (see below)
309 // fieldm maximum magnetic field
310 // tmaxfd maximum deflection angle due to magnetic field
311 // stemax maximum step allowed
312 // deemax maximum fractional energy loss in one step
313 // epsil tracking precision in cm
314 // stmin minimum step due to continuous processes
315 //
316 // ifield = 0 no magnetic field
317 // = -1 user decision in guswim
318 // = 1 tracking performed with Runge Kutta
319 // = 2 tracking performed with helix
320 // = 3 constant magnetic field along z
321 //
322 Int_t kmed;
cfce8870 323 gMC->Medium(kmed,name, (*fIdmate)[nmat], isvol, ifield, fieldm,
8494b010 324 tmaxfd, stemax, deemax, epsil, stmin, ubuf, nbuf);
ad51aeb0 325 (*fIdtmed)[numed]=kmed;
8494b010 326}
327
328//_____________________________________________________________________________
329void AliModule::AliMatrix(Int_t &nmat, Float_t theta1, Float_t phi1,
330 Float_t theta2, Float_t phi2, Float_t theta3,
331 Float_t phi3) const
332{
333 //
334 // Define a rotation matrix. Angles are in degrees.
335 //
336 // nmat on output contains the number assigned to the rotation matrix
337 // theta1 polar angle for axis I
338 // phi1 azimuthal angle for axis I
339 // theta2 polar angle for axis II
340 // phi2 azimuthal angle for axis II
341 // theta3 polar angle for axis III
342 // phi3 azimuthal angle for axis III
343 //
cfce8870 344 gMC->Matrix(nmat, theta1, phi1, theta2, phi2, theta3, phi3);
8494b010 345}
346
aee8290b 347//_____________________________________________________________________________
348AliModule& AliModule::operator=(const AliModule &mod)
349{
350 mod.Copy(*this);
351 return (*this);
352}
353
65fb704d 354//_____________________________________________________________________________
355Float_t AliModule::ZMin() const
356{
357 return -500;
358}
359
360//_____________________________________________________________________________
361Float_t AliModule::ZMax() const
362{
363 return 500;
364}
365
8494b010 366//_____________________________________________________________________________
367void AliModule::SetEuclidFile(char* material, char* geometry)
368{
369 //
370 // Sets the name of the Euclid file
371 //
372 fEuclidMaterial=material;
373 if(geometry) {
374 fEuclidGeometry=geometry;
375 } else {
376 char* name = new char[strlen(material)];
377 strcpy(name,material);
378 strcpy(&name[strlen(name)-4],".euc");
379 fEuclidGeometry=name;
380 delete [] name;
381 }
382}
383
b13db077 384//_____________________________________________________________________________
385void AliModule::ReadEuclid(const char* filnam, char* topvol)
386{
387 //
388 // read in the geometry of the detector in euclid file format
389 //
390 // id_det : the detector identification (2=its,...)
391 // topvol : return parameter describing the name of the top
392 // volume of geometry.
393 //
394 // author : m. maire
395 //
396 // 28.07.98
397 // several changes have been made by miroslav helbich
398 // subroutine is rewrited to follow the new established way of memory
399 // booking for tracking medias and rotation matrices.
400 // all used tracking media have to be defined first, for this you can use
401 // subroutine greutmed.
402 // top volume is searched as only volume not positioned into another
403 //
404
405 Int_t i, nvol, iret, itmed, irot, numed, npar, ndiv, iaxe;
406 Int_t ndvmx, nr, flag;
407 char key[5], card[77], natmed[21];
408 char name[5], mother[5], shape[5], konly[5], volst[7000][5];
409 char *filtmp;
d43b40e2 410 Float_t par[100];
b13db077 411 Float_t teta1, phi1, teta2, phi2, teta3, phi3, orig, step;
412 Float_t xo, yo, zo;
aee8290b 413 const Int_t kMaxRot=5000;
414 Int_t idrot[kMaxRot],istop[7000];
b13db077 415 FILE *lun;
416 //
417 // *** The input filnam name will be with extension '.euc'
418 filtmp=gSystem->ExpandPathName(filnam);
419 lun=fopen(filtmp,"r");
420 delete [] filtmp;
421 if(!lun) {
422 Error("ReadEuclid","Could not open file %s\n",filnam);
423 return;
424 }
425 //* --- definition of rotation matrix 0 ---
426 TArrayI &idtmed = *fIdtmed;
aee8290b 427 for(i=1; i<kMaxRot; ++i) idrot[i]=-99;
b13db077 428 idrot[0]=0;
429 nvol=0;
430 L10:
431 for(i=0;i<77;i++) card[i]=0;
432 iret=fscanf(lun,"%77[^\n]",card);
433 if(iret<=0) goto L20;
434 fscanf(lun,"%*c");
435 //*
436 strncpy(key,card,4);
437 key[4]='\0';
438 if (!strcmp(key,"TMED")) {
439 sscanf(&card[5],"%d '%[^']'",&itmed,natmed);
440 if( itmed<0 || itmed>=100 ) {
441 Error("ReadEuclid","TMED illegal medium number %d for %s\n",itmed,natmed);
442 exit(1);
443 }
444 //Pad the string with blanks
445 i=-1;
446 while(natmed[++i]);
447 while(i<20) natmed[i++]=' ';
448 natmed[i]='\0';
449 //
450 if( idtmed[itmed]<=0 ) {
451 Error("ReadEuclid","TMED undefined medium number %d for %s\n",itmed,natmed);
452 exit(1);
453 }
454 gMC->Gckmat(idtmed[itmed],natmed);
455 //*
456 } else if (!strcmp(key,"ROTM")) {
457 sscanf(&card[4],"%d %f %f %f %f %f %f",&irot,&teta1,&phi1,&teta2,&phi2,&teta3,&phi3);
aee8290b 458 if( irot<=0 || irot>=kMaxRot ) {
b13db077 459 Error("ReadEuclid","ROTM rotation matrix number %d illegal\n",irot);
460 exit(1);
461 }
462 AliMatrix(idrot[irot],teta1,phi1,teta2,phi2,teta3,phi3);
463 //*
464 } else if (!strcmp(key,"VOLU")) {
465 sscanf(&card[5],"'%[^']' '%[^']' %d %d", name, shape, &numed, &npar);
466 if (npar>0) {
467 for(i=0;i<npar;i++) fscanf(lun,"%f",&par[i]);
468 fscanf(lun,"%*c");
469 }
470 gMC->Gsvolu( name, shape, idtmed[numed], par, npar);
471 //* save the defined volumes
472 strcpy(volst[++nvol],name);
473 istop[nvol]=1;
474 //*
475 } else if (!strcmp(key,"DIVN")) {
476 sscanf(&card[5],"'%[^']' '%[^']' %d %d", name, mother, &ndiv, &iaxe);
477 gMC->Gsdvn ( name, mother, ndiv, iaxe );
478 //*
479 } else if (!strcmp(key,"DVN2")) {
480 sscanf(&card[5],"'%[^']' '%[^']' %d %d %f %d",name, mother, &ndiv, &iaxe, &orig, &numed);
481 gMC->Gsdvn2( name, mother, ndiv, iaxe, orig,idtmed[numed]);
482 //*
483 } else if (!strcmp(key,"DIVT")) {
484 sscanf(&card[5],"'%[^']' '%[^']' %f %d %d %d", name, mother, &step, &iaxe, &numed, &ndvmx);
485 gMC->Gsdvt ( name, mother, step, iaxe, idtmed[numed], ndvmx);
486 //*
487 } else if (!strcmp(key,"DVT2")) {
488 sscanf(&card[5],"'%[^']' '%[^']' %f %d %f %d %d", name, mother, &step, &iaxe, &orig, &numed, &ndvmx);
489 gMC->Gsdvt2 ( name, mother, step, iaxe, orig, idtmed[numed], ndvmx );
490 //*
491 } else if (!strcmp(key,"POSI")) {
492 sscanf(&card[5],"'%[^']' %d '%[^']' %f %f %f %d '%[^']'", name, &nr, mother, &xo, &yo, &zo, &irot, konly);
aee8290b 493 if( irot<0 || irot>=kMaxRot ) {
b13db077 494 Error("ReadEuclid","POSI %s#%d rotation matrix number %d illegal\n",name,nr,irot);
495 exit(1);
496 }
497 if( idrot[irot] == -99) {
498 Error("ReadEuclid","POSI %s#%d undefined matrix number %d\n",name,nr,irot);
499 exit(1);
500 }
501 //*** volume name cannot be the top volume
502 for(i=1;i<=nvol;i++) {
503 if (!strcmp(volst[i],name)) istop[i]=0;
504 }
505 //*
506 gMC->Gspos ( name, nr, mother, xo, yo, zo, idrot[irot], konly );
507 //*
508 } else if (!strcmp(key,"POSP")) {
509 sscanf(&card[5],"'%[^']' %d '%[^']' %f %f %f %d '%[^']' %d", name, &nr, mother, &xo, &yo, &zo, &irot, konly, &npar);
aee8290b 510 if( irot<0 || irot>=kMaxRot ) {
b13db077 511 Error("ReadEuclid","POSP %s#%d rotation matrix number %d illegal\n",name,nr,irot);
512 exit(1);
513 }
514 if( idrot[irot] == -99) {
515 Error("ReadEuclid","POSP %s#%d undefined matrix number %d\n",name,nr,irot);
516 exit(1);
517 }
518 if (npar > 0) {
519 for(i=0;i<npar;i++) fscanf(lun,"%f",&par[i]);
520 fscanf(lun,"%*c");
521 }
522 //*** volume name cannot be the top volume
523 for(i=1;i<=nvol;i++) {
524 if (!strcmp(volst[i],name)) istop[i]=0;
525 }
526 //*
527 gMC->Gsposp ( name, nr, mother, xo,yo,zo, idrot[irot], konly, par, npar);
528 }
529 //*
530 if (strcmp(key,"END")) goto L10;
531 //* find top volume in the geometry
532 flag=0;
533 for(i=1;i<=nvol;i++) {
534 if (istop[i] && flag) {
535 Warning("ReadEuclid"," %s is another possible top volume\n",volst[i]);
536 }
537 if (istop[i] && !flag) {
538 strcpy(topvol,volst[i]);
9e1a0ddb 539 if(fDebug) printf("%s::ReadEuclid: volume %s taken as a top volume\n",ClassName(),topvol);
b13db077 540 flag=1;
541 }
542 }
543 if (!flag) {
544 Warning("ReadEuclid","top volume not found\n");
545 }
546 fclose (lun);
547 //*
548 //* commented out only for the not cernlib version
9e1a0ddb 549 if(fDebug) printf("%s::ReadEuclid: file: %s is now read in\n",ClassName(),filnam);
b13db077 550 //
551 return;
552 //*
553 L20:
554 Error("ReadEuclid","reading error or premature end of file\n");
555}
556
557//_____________________________________________________________________________
558void AliModule::ReadEuclidMedia(const char* filnam)
559{
560 //
561 // read in the materials and tracking media for the detector
562 // in euclid file format
563 //
564 // filnam: name of the input file
565 // id_det: id_det is the detector identification (2=its,...)
566 //
567 // author : miroslav helbich
568 //
569 Float_t sxmgmx = gAlice->Field()->Max();
570 Int_t isxfld = gAlice->Field()->Integ();
571 Int_t end, i, iret, itmed;
572 char key[5], card[130], natmed[21], namate[21];
573 Float_t ubuf[50];
574 char* filtmp;
575 FILE *lun;
576 Int_t imate;
577 Int_t nwbuf, isvol, ifield, nmat;
578 Float_t a, z, dens, radl, absl, fieldm, tmaxfd, stemax, deemax, epsil, stmin;
579 //
580 end=strlen(filnam);
581 for(i=0;i<end;i++) if(filnam[i]=='.') {
582 end=i;
583 break;
584 }
585 //
586 // *** The input filnam name will be with extension '.euc'
9e1a0ddb 587 if(fDebug) printf("%s::ReadEuclid: The file name is %s\n",ClassName(),filnam); //Debug
b13db077 588 filtmp=gSystem->ExpandPathName(filnam);
589 lun=fopen(filtmp,"r");
590 delete [] filtmp;
591 if(!lun) {
592 Warning("ReadEuclidMedia","Could not open file %s\n",filnam);
593 return;
594 }
595 //
596 // Retrieve Mag Field parameters
aee8290b 597 Int_t globField=gAlice->Field()->Integ();
598 Float_t globMaxField=gAlice->Field()->Max();
b13db077 599 // TArrayI &idtmed = *fIdtmed;
600 //
601 L10:
602 for(i=0;i<130;i++) card[i]=0;
603 iret=fscanf(lun,"%4s %[^\n]",key,card);
604 if(iret<=0) goto L20;
605 fscanf(lun,"%*c");
606 //*
607 //* read material
608 if (!strcmp(key,"MATE")) {
609 sscanf(card,"%d '%[^']' %f %f %f %f %f %d",&imate,namate,&a,&z,&dens,&radl,&absl,&nwbuf);
610 if (nwbuf>0) for(i=0;i<nwbuf;i++) fscanf(lun,"%f",&ubuf[i]);
611 //Pad the string with blanks
612 i=-1;
613 while(namate[++i]);
614 while(i<20) namate[i++]=' ';
615 namate[i]='\0';
616 //
617 AliMaterial(imate,namate,a,z,dens,radl,absl,ubuf,nwbuf);
618 //* read tracking medium
619 } else if (!strcmp(key,"TMED")) {
620 sscanf(card,"%d '%[^']' %d %d %d %f %f %f %f %f %f %d",
621 &itmed,natmed,&nmat,&isvol,&ifield,&fieldm,&tmaxfd,
622 &stemax,&deemax,&epsil,&stmin,&nwbuf);
623 if (nwbuf>0) for(i=0;i<nwbuf;i++) fscanf(lun,"%f",&ubuf[i]);
624 if (ifield<0) ifield=isxfld;
625 if (fieldm<0) fieldm=sxmgmx;
626 //Pad the string with blanks
627 i=-1;
628 while(natmed[++i]);
629 while(i<20) natmed[i++]=' ';
630 natmed[i]='\0';
631 //
aee8290b 632 AliMedium(itmed,natmed,nmat,isvol,globField,globMaxField,tmaxfd,
b13db077 633 stemax,deemax,epsil,stmin,ubuf,nwbuf);
634 // (*fImedia)[idtmed[itmed]-1]=id_det;
635 //*
636 }
637 //*
638 if (strcmp(key,"END")) goto L10;
639 fclose (lun);
640 //*
641 //* commented out only for the not cernlib version
9e1a0ddb 642 if(fDebug) printf("%s::ReadEuclidMedia: file %s is now read in\n",
643 ClassName(),filnam);
b13db077 644 //*
645 return;
646 //*
647 L20:
648 Warning("ReadEuclidMedia","reading error or premature end of file\n");
649}
650
8494b010 651