1 /**************************************************************************
2 * Copyright(c) 2007-2009, 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 **************************************************************************/
17 /* $Id: AliITSUv0.cxx */
20 //========================================================================
22 // Geometry for the Upgrade of the Inner Tracking System
24 // Mario Sitta (sitta@to.infn.it)
25 // Chinorat Kobdaj (kobdaj@g.sut.ac.th)
27 //========================================================================
31 // $Log: AliITSUv0.cxx,v $
33 #include <TClonesArray.h>
34 #include <TGeoGlobalMagField.h>
35 #include <TGeoManager.h>
36 #include <TGeoMatrix.h>
37 #include <TGeoPhysicalNode.h>
38 #include <TGeoVolume.h>
41 #include <TLorentzVector.h>
43 #include <TVirtualMC.h>
46 #include "AliITSUHit.h"
51 #include "AliTrackReference.h"
52 #include "AliITSv11Geometry.h"
53 #include "AliITSUv0Layer.h"
54 #include "AliITSUv0.h"
55 #include "AliITSUGeomTGeo.h"
56 #include "AliGeomManager.h"
57 using namespace TMath;
62 //______________________________________________________________________
63 AliITSUv0::AliITSUv0()
83 // Standard default constructor
92 //______________________________________________________________________
93 AliITSUv0::AliITSUv0(const char *title,const Int_t nlay)
112 ,fStaveModel(kModel0)
114 // Standard constructor for the Upgrade geometry.
116 // const char * name Ignored, set to "ITS"
117 // const char * title Arbitrary title
118 // const Int_t nlay Number of layers
120 fLayerName = new TString[fNLayers];
122 for (Int_t j=0; j<fNLayers; j++)
123 fLayerName[j].Form("%s%d",AliITSUGeomTGeo::GetITSSensorPattern(),j); // See AliITSUv0Layer
125 fLayTurbo = new Bool_t[fNLayers];
126 fLayPhi0 = new Double_t[fNLayers];
127 fLayRadii = new Double_t[fNLayers];
128 fLayZLength = new Double_t[fNLayers];
129 fLaddPerLay = new Int_t[fNLayers];
130 fModPerLadd = new Int_t[fNLayers];
131 fLadThick = new Double_t[fNLayers];
132 fLadWidth = new Double_t[fNLayers];
133 fLadTilt = new Double_t[fNLayers];
134 fDetThick = new Double_t[fNLayers];
135 fDetTypeID = new UInt_t[fNLayers];
136 fBuildLevel = new Int_t[fNLayers];
139 fUpGeom = new AliITSUv0Layer*[fNLayers];
141 if (fNLayers > 0) { // if not, we'll Fatal-ize in CreateGeometry
142 for (Int_t j=0; j<fNLayers; j++) {
157 //______________________________________________________________________
158 AliITSUv0::~AliITSUv0() {
159 // Standard destructor
169 delete [] fLayZLength;
170 delete [] fLaddPerLay;
171 delete [] fModPerLadd;
176 delete [] fDetTypeID;
177 delete [] fBuildLevel;
181 delete [] fWrapZSpan;
184 //______________________________________________________________________
185 void AliITSUv0::AddAlignableVolumes() const{
186 // Creates entries for alignable volumes associating the symbolic volume
187 // name with the corresponding volume path.
189 // Records in the alignable entries the transformation matrices converting
190 // TGeo local coordinates (in the RS of alignable volumes) to the tracking
192 // For this, this function has to run before the misalignment because we
193 // are using the ideal positions in the AliITSgeom object.
201 AliInfo("Add ITS alignable volumes");
203 if (!gGeoManager) { AliFatal("TGeoManager doesn't exist !"); return; }
206 pth = Form("ALIC_1/%s_2",AliITSUGeomTGeo::GetITSVolPattern());
207 // RS: to be checked with MS
208 if( !gGeoManager->SetAlignableEntry(AliITSUGeomTGeo::ComposeSymNameITS(),pth.Data()) )
209 AliFatal(Form("Unable to set alignable entry ! %s :: %s","ITS",pth.Data()));
213 for (int lr=0; lr<fNLayers; lr++) {
215 pth = Form("ALIC_1/%s_2/%s%d_1",AliITSUGeomTGeo::GetITSVolPattern(),AliITSUGeomTGeo::GetITSLayerPattern(),lr);
216 //printf("SetAlignable: %s %s\n",snm.Data(),pth.Data());
217 gGeoManager->SetAlignableEntry(AliITSUGeomTGeo::ComposeSymNameLayer(lr),pth.Data());
219 for (int ld=0; ld<fLaddPerLay[lr]; ld++) {
221 TString pthL = Form("%s/%s%d_%d",pth.Data(),AliITSUGeomTGeo::GetITSLadderPattern(),lr,ld);
222 //printf("SetAlignable: %s %s\n",snmL.Data(),pthL.Data());
223 gGeoManager->SetAlignableEntry(AliITSUGeomTGeo::ComposeSymNameLadder(lr,ld),pthL.Data());
225 for (int md=0; md<fModPerLadd[lr]; md++) {
227 TString pthM = Form("%s/%s%d_%d",pthL.Data(),AliITSUGeomTGeo::GetITSModulePattern(),lr,md);
229 // RS: Attention, this is a hack: AliGeomManager cannot accomodate all ITSU modules w/o
230 // conflicts with TPC. For this reason we define the UID of the module to be simply its ID
231 // int modUID = AliGeomManager::LayerToVolUID(lr+1,modNum++); // here modNum would be module within the layer
232 int modUID = AliITSUGeomTGeo::ModuleVolUID( modNum++ );
234 gGeoManager->SetAlignableEntry(AliITSUGeomTGeo::ComposeSymNameModule(lr,ld,md),pthM.Data(),modUID);
242 //______________________________________________________________________
243 void AliITSUv0::SetNWrapVolumes(Int_t n)
245 // book arrays for wrapper volumes
246 if (fNWrapVol) AliFatal(Form("%d wrapper volumes already defined",fNWrapVol));
249 fWrapRMin = new Double_t[fNWrapVol];
250 fWrapRMax = new Double_t[fNWrapVol];
251 fWrapZSpan= new Double_t[fNWrapVol];
252 for (int i=fNWrapVol;i--;) fWrapRMin[i]=fWrapRMax[i]=fWrapZSpan[i]=-1;
256 //______________________________________________________________________
257 void AliITSUv0::DefineWrapVolume(Int_t id, Double_t rmin,Double_t rmax, Double_t zspan)
259 // set parameters of id-th wrapper volume
260 if (id>=fNWrapVol||id<0) AliFatal(Form("id=%d of wrapper volume is not in 0-%d range",id,fNWrapVol-1));
261 fWrapRMin[id] = rmin;
262 fWrapRMax[id] = rmax;
263 fWrapZSpan[id] = zspan;
266 //______________________________________________________________________
267 void AliITSUv0::CreateGeometry() {
269 // Create the geometry and insert it in the mother volume ITSV
270 TGeoManager *geoManager = gGeoManager;
272 TGeoVolume *vALIC = geoManager->GetVolume("ALIC");
274 new TGeoVolumeAssembly(AliITSUGeomTGeo::GetITSVolPattern());
275 TGeoVolume *vITSV = geoManager->GetVolume(AliITSUGeomTGeo::GetITSVolPattern());
276 vALIC->AddNode(vITSV, 2, 0); // Copy number is 2 to cheat AliGeoManager::CheckSymNamesLUT
279 const Int_t kLength=100;
280 Char_t vstrng[kLength] = "xxxRS"; //?
281 vITSV->SetTitle(vstrng);
283 // Check that we have all needed parameters
284 if (fNLayers <= 0) AliFatal(Form("Wrong number of layers (%d)",fNLayers));
286 for (Int_t j=0; j<fNLayers; j++) {
287 if (fLayRadii[j] <= 0) AliFatal(Form("Wrong layer radius for layer %d (%f)",j,fLayRadii[j]));
288 if (fLayZLength[j] <= 0) AliFatal(Form("Wrong layer length for layer %d (%f)",j,fLayZLength[j]));
289 if (fLaddPerLay[j] <= 0) AliFatal(Form("Wrong number of ladders for layer %d (%d)",j,fLaddPerLay[j]));
290 if (fModPerLadd[j] <= 0) AliFatal(Form("Wrong number of modules for layer %d (%d)",j,fModPerLadd[j]));
291 if (fLadThick[j] < 0) AliFatal(Form("Wrong ladder thickness for layer %d (%f)",j,fLadThick[j]));
292 if (fLayTurbo[j] && fLadWidth[j] <= 0) AliFatal(Form("Wrong ladder width for layer %d (%f)",j,fLadWidth[j]));
293 if (fDetThick[j] < 0) AliFatal(Form("Wrong module thickness for layer %d (%f)",j,fDetThick[j]));
296 if (fLayRadii[j]<=fLayRadii[j-1]) AliFatal(Form("Layer %d radius (%f) is smaller than layer %d radius (%f)",
297 j,fLayRadii[j],j-1,fLayRadii[j-1]));
300 if (fLadThick[j] == 0) AliInfo(Form("Ladder thickness for layer %d not set, using default",j));
301 if (fDetThick[j] == 0) AliInfo(Form("Module thickness for layer %d not set, using default",j));
303 } // for (Int_t j=0; j<fNLayers; j++)
305 // Create the wrapper volumes
306 TGeoVolume **wrapVols = 0;
308 wrapVols = new TGeoVolume*[fNWrapVol];
309 for (int id=0;id<fNWrapVol;id++) {
310 wrapVols[id] = CreateWrapperVolume(id);
311 vITSV->AddNode(wrapVols[id], 1, 0);
315 // Now create the actual geometry
316 for (Int_t j=0; j<fNLayers; j++) {
317 TGeoVolume* dest = vITSV;
320 fUpGeom[j] = new AliITSUv0Layer(j,kTRUE,kFALSE);
321 fUpGeom[j]->SetLadderWidth(fLadWidth[j]);
322 fUpGeom[j]->SetLadderTilt(fLadTilt[j]);
324 else fUpGeom[j] = new AliITSUv0Layer(j,kFALSE);
326 fUpGeom[j]->SetPhi0(fLayPhi0[j]);
327 fUpGeom[j]->SetRadius(fLayRadii[j]);
328 fUpGeom[j]->SetZLength(fLayZLength[j]);
329 fUpGeom[j]->SetNLadders(fLaddPerLay[j]);
330 fUpGeom[j]->SetNModules(fModPerLadd[j]);
331 fUpGeom[j]->SetDetType(fDetTypeID[j]);
332 fUpGeom[j]->SetBuildLevel(fBuildLevel[j]);
333 fUpGeom[j]->SetStaveModel(fStaveModel);
334 AliDebug(1,Form("fBuildLevel: %d\n",fBuildLevel[j]));
336 if (fLadThick[j] != 0) fUpGeom[j]->SetLadderThick(fLadThick[j]);
337 if (fDetThick[j] != 0) fUpGeom[j]->SetSensorThick(fDetThick[j]);
339 for (int iw=0;iw<fNWrapVol;iw++) {
340 if (fLayRadii[j]>fWrapRMin[iw] && fLayRadii[j]<fWrapRMax[iw]) {
341 AliInfo(Form("Will embed layer %d in wrapper volume %d",j,iw));
342 if (fLayZLength[j]>=fWrapZSpan[iw]) AliFatal(Form("ZSpan %.3f of wrapper volume %d is less than ZSpan %.3f of layer %d",
343 fWrapZSpan[iw],iw,fLayZLength[j],j));
348 fUpGeom[j]->CreateLayer(dest);
350 delete wrapVols; // delete pointer only, not the volumes
354 //______________________________________________________________________
355 void AliITSUv0::CreateMaterials() {
356 // Create ITS materials
357 // This function defines the default materials used in the Geant
358 // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
360 // In general it is automatically replaced by
361 // the CreateMaterials routine defined in AliITSv?. Should the function
362 // CreateMaterials not exist for the geometry version you are using this
363 // one is used. See the definition found in AliITSv5 or the other routine
364 // for a complete definition.
372 Int_t ifield = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
373 Float_t fieldm = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
375 Float_t tmaxfd = 0.1; // 1.0; // Degree
376 Float_t stemax = 1.0; // cm
377 Float_t deemax = 0.1; // 30.0; // Fraction of particle's energy 0<deemax<=1
378 Float_t epsil = 1.0E-4; // 1.0; // cm
379 Float_t stmin = 0.0; // cm "Default value used"
381 Float_t tmaxfdSi = 0.1; // .10000E+01; // Degree
382 Float_t stemaxSi = 0.0075; // .10000E+01; // cm
383 Float_t deemaxSi = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1
384 Float_t epsilSi = 1.0E-4;// .10000E+01;
385 Float_t stminSi = 0.0; // cm "Default value used"
387 Float_t tmaxfdAir = 0.1; // .10000E+01; // Degree
388 Float_t stemaxAir = .10000E+01; // cm
389 Float_t deemaxAir = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1
390 Float_t epsilAir = 1.0E-4;// .10000E+01;
391 Float_t stminAir = 0.0; // cm "Default value used"
394 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
395 Float_t zAir[4]={6.,7.,8.,18.};
396 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
397 Float_t dAir = 1.20479E-3;
400 Float_t aWater[2]={1.00794,15.9994};
401 Float_t zWater[2]={1.,8.};
402 Float_t wWater[2]={0.111894,0.888106};
403 Float_t dWater = 1.0;
407 Float_t aKapton[4]={1.00794,12.0107, 14.010,15.9994};
408 Float_t zKapton[4]={1.,6.,7.,8.};
409 Float_t wKapton[4]={0.026362,0.69113,0.07327,0.209235};
410 Float_t dKapton = 1.42;
412 AliMixture(1,"AIR$",aAir,zAir,dAir,4,wAir);
413 AliMedium(1, "AIR$",1,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
415 AliMixture(2,"WATER$",aWater,zWater,dWater,2,wWater);
416 AliMedium(2, "WATER$",2,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
418 AliMaterial(3,"SI$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
419 AliMedium(3, "SI$",3,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
421 AliMaterial(4,"BERILLIUM$",9.01, 4., 1.848, 35.3, 36.7);// From AliPIPEv3
422 AliMedium(4, "BERILLIUM$",4,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
424 AliMaterial(5,"COPPER$",0.63546E+02,0.29000E+02,0.89600E+01,0.14300E+01,0.99900E+03);
425 AliMedium(5, "COPPER$",5,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
428 // needed for STAVE , Carbon, kapton, Epoxy, flexcable
430 //AliMaterial(6,"CARBON$",12.0107,6,2.210,999,999);
431 AliMaterial(6,"CARBON$",12.0107,6,2.210/1.3,999,999);
432 AliMedium(6, "CARBON$",6,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
434 AliMixture(7,"KAPTON(POLYCH2)$", aKapton, zKapton, dKapton, 4, wKapton);
435 AliMedium(7, "KAPTON(POLYCH2)$",7,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
439 // values below modified as compared to source AliITSv11 !
441 //AliMaterial(7,"GLUE$",0.12011E+02,0.60000E+01,0.1930E+01/2.015,999,999); // original
442 AliMaterial(7,"GLUE$",12.011,6,1.93/2.015,999,999); // conform with ATLAS, Corrado, Stefan
443 AliMedium(7, "GLUE$",7,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
445 // All types of carbon
446 // Unidirectional prepreg
447 AliMaterial(8,"K13D2U2k$",12.0107,6,1.643,999,999);
448 AliMedium(8, "K13D2U2k$",8,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
450 AliMaterial(9,"M60J3K$",12.0107,6,2.21,999,999);
451 AliMedium(9, "M60J3K$",9,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
453 AliMaterial(10,"M55J6K$",12.0107,6,1.63,999,999);
454 AliMedium(10, "M55J6K$",10,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
456 AliMaterial(11,"T300$",12.0107,6,1.725,999,999);
457 AliMedium(11, "T300$",11,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
459 AliMaterial(12,"FGS003$",12.0107,6,1.6,999,999);
460 AliMedium(12, "FGS003$",12,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
462 AliMaterial(13,"CarbonFleece$",12.0107,6,0.4,999,999);
463 AliMedium(13, "CarbonFleece$",13,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
466 Float_t aFCm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
467 Float_t zFCm[5]={6.,1.,7.,8.,13.};
468 Float_t wFCm[5]={0.520088819984,0.01983871336,0.0551367996,0.157399667056, 0.247536};
469 //Float_t dFCm = 1.6087; // original
470 //Float_t dFCm = 2.55; // conform with STAR
471 Float_t dFCm = 2.595; // conform with Corrado
473 AliMixture(14,"FLEXCABLE$",aFCm,zFCm,dFCm,5,wFCm);
474 AliMedium(14, "FLEXCABLE$",14,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
478 //______________________________________________________________________
479 void AliITSUv0::DefineLayer(const Int_t nlay, const double phi0, const Double_t r,
480 const Double_t zlen, const Int_t nladd,
481 const Int_t nmod, const Double_t lthick,
482 const Double_t dthick, const UInt_t dettypeID)
484 // Sets the layer parameters
490 // nladd number of ladders
491 // nmod number of modules per ladder
492 // lthick ladder thickness (if omitted, defaults to 0)
493 // dthick detector thickness (if omitted, defaults to 0)
499 if (nlay >= fNLayers || nlay < 0) {
500 AliError(Form("Wrong layer number (%d)",nlay));
504 fLayTurbo[nlay] = kFALSE;
505 fLayPhi0[nlay] = phi0;
507 fLayZLength[nlay] = zlen;
508 fLaddPerLay[nlay] = nladd;
509 fModPerLadd[nlay] = nmod;
510 fLadThick[nlay] = lthick;
511 fDetThick[nlay] = dthick;
512 fDetTypeID[nlay] = dettypeID;
516 //______________________________________________________________________
517 void AliITSUv0::DefineLayerTurbo(Int_t nlay, Double_t phi0, Double_t r, Double_t zlen, Int_t nladd,
518 Int_t nmod, Double_t width, Double_t tilt,
519 Double_t lthick,Double_t dthick,
520 UInt_t dettypeID, Int_t buildLevel)
522 // Sets the layer parameters for a "turbo" layer
523 // (i.e. a layer whose ladders overlap in phi)
526 // phi0 phi of 1st ladder
529 // nladd number of ladders
530 // nmod number of modules per ladder
531 // width ladder width
532 // tilt layer tilt angle (degrees)
533 // lthick ladder thickness (if omitted, defaults to 0)
534 // dthick detector thickness (if omitted, defaults to 0)
536 // buildLevel (if 0, all geometry is build, used for material budget studies)
542 if (nlay >= fNLayers || nlay < 0) {
543 AliError(Form("Wrong layer number (%d)",nlay));
547 fLayTurbo[nlay] = kTRUE;
548 fLayPhi0[nlay] = phi0;
550 fLayZLength[nlay] = zlen;
551 fLaddPerLay[nlay] = nladd;
552 fModPerLadd[nlay] = nmod;
553 fLadThick[nlay] = lthick;
554 fLadWidth[nlay] = width;
555 fLadTilt[nlay] = tilt;
556 fDetThick[nlay] = dthick;
557 fDetTypeID[nlay] = dettypeID;
558 fBuildLevel[nlay] = buildLevel;
562 //______________________________________________________________________
563 void AliITSUv0::GetLayerParameters(Int_t nlay, Double_t &phi0,
564 Double_t &r, Double_t &zlen,
565 Int_t &nladd, Int_t &nmod,
566 Double_t &width, Double_t &tilt,
567 Double_t <hick, Double_t &dthick,
568 UInt_t &dettype) const
570 // Gets the layer parameters
574 // phi0 phi of 1st ladder
577 // nladd number of ladders
578 // nmod number of modules per ladder
579 // width ladder width
580 // tilt ladder tilt angle
581 // lthick ladder thickness
582 // dthick detector thickness
583 // dettype detector type
587 if (nlay >= fNLayers || nlay < 0) {
588 AliError(Form("Wrong layer number (%d)",nlay));
592 phi0 = fLayPhi0[nlay];
594 zlen = fLayZLength[nlay];
595 nladd = fLaddPerLay[nlay];
596 nmod = fModPerLadd[nlay];
597 width = fLadWidth[nlay];
598 tilt = fLadTilt[nlay];
599 lthick = fLadThick[nlay];
600 dthick = fDetThick[nlay];
601 dettype= fDetTypeID[nlay];
604 //______________________________________________________________________
605 TGeoVolume* AliITSUv0::CreateWrapperVolume(Int_t id)
607 // Creates an air-filled wrapper cylindrical volume
611 // the wrapper volume
613 if (fWrapRMin[id]<0 || fWrapRMax[id]<0 || fWrapZSpan[id]<0) AliFatal(Form("Wrapper volume %d was requested but not defined",id));
614 // Now create the actual shape and volume
616 TGeoTube *tube = new TGeoTube(fWrapRMin[id], fWrapRMax[id], fWrapZSpan[id]/2.);
618 TGeoMedium *medAir = gGeoManager->GetMedium("ITS_AIR$");
621 snprintf(volnam, 29, "%s%d", AliITSUGeomTGeo::GetITSWrapVolPattern(),id);
623 TGeoVolume *wrapper = new TGeoVolume(volnam, tube, medAir);
628 //______________________________________________________________________
629 void AliITSUv0::Init()
631 // Initialise the ITS after it has been created.
632 UpdateInternalGeometry();
637 //______________________________________________________________________
638 Bool_t AliITSUv0::IsLayerTurbo(Int_t nlay)
640 // Returns true if the layer is a "turbo" layer
641 if ( nlay < 0 || nlay > fNLayers ) {
642 AliError(Form("Wrong layer number %d",nlay));
645 else return fUpGeom[nlay]->IsTurbo();
648 //______________________________________________________________________
649 void AliITSUv0::SetDefaults()
651 // sets the default segmentation, response, digit and raw cluster classes
654 //______________________________________________________________________
655 void AliITSUv0::StepManager()
657 // Called for every step in the ITS, then calles the AliITSUHit class
658 // creator with the information to be recoreded about that hit.
659 // The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
660 // printing of information to a file which can be used to create a .det
661 // file read in by the routine CreateGeometry(). If set to 0 or any other
662 // value except 1, the default behavior, then no such file is created nor
663 // it the extra variables and the like used in the printing allocated.
670 if(!(this->IsActive())) return;
671 if(!(gMC->TrackCharge())) return;
674 Int_t id = gMC->CurrentVolID(copy);
676 Bool_t notSens = kFALSE;
677 while ((lay<fNLayers) && (notSens = (id!=fIdSens[lay]))) ++lay;
678 //printf("R: %.1f | Lay: %d NotSens: %d\n",positionRS.Pt(), lay, notSens);
682 if(gMC->IsTrackExiting()) {
683 AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kITS);
684 } // if Outer ITS mother Volume
686 static TLorentzVector position, momentum; // Saves on calls to construtors
687 static AliITSUHit hit;// Saves on calls to constructors
689 TClonesArray &lhits = *(Hits());
690 Int_t cpn0, cpn1, mod, status = 0;
693 if(gMC->IsTrackInside()) status += 1;
694 if(gMC->IsTrackEntering()) status += 2;
695 if(gMC->IsTrackExiting()) status += 4;
696 if(gMC->IsTrackOut()) status += 8;
697 if(gMC->IsTrackDisappeared()) status += 16;
698 if(gMC->IsTrackStop()) status += 32;
699 if(gMC->IsTrackAlive()) status += 64;
702 // retrieve the indices with the volume path
704 if (lay < 0 || lay >= fNLayers) {
705 AliError(Form("Invalid value: lay=%d. Not an ITS sensitive volume",lay));
706 return; // not an ITS sensitive volume.
709 gMC->CurrentVolOffID(1,cpn1);
710 gMC->CurrentVolOffID(2,cpn0);
713 mod = fGeomTGeo->GetModuleIndex(lay,cpn0,cpn1);
714 //RS2DEL fInitGeom.DecodeDetector(mod,lay+1,cpn0,cpn1,copy);
716 // Fill hit structure.
719 hit.SetTrack(gAlice->GetMCApp()->GetCurrentTrackNumber());
720 gMC->TrackPosition(position);
721 gMC->TrackMomentum(momentum);
722 hit.SetPosition(position);
723 hit.SetTime(gMC->TrackTime());
724 hit.SetMomentum(momentum);
725 hit.SetStatus(status);
726 hit.SetEdep(gMC->Edep());
727 hit.SetShunt(GetIshunt());
728 if(gMC->IsTrackEntering()){
729 hit.SetStartPosition(position);
730 hit.SetStartTime(gMC->TrackTime());
731 hit.SetStartStatus(status);
732 return; // don't save entering hit.
733 } // end if IsEntering
734 // Fill hit structure with this new hit.
735 //Info("StepManager","Calling Copy Constructor");
736 new(lhits[fNhits++]) AliITSUHit(hit); // Use Copy Construtor.
737 // Save old position... for next hit.
738 hit.SetStartPosition(position);
739 hit.SetStartTime(gMC->TrackTime());
740 hit.SetStartStatus(status);
745 //______________________________________________________________________
746 void AliITSUv0::SetLayerDetTypeID(Int_t lr, UInt_t id)
749 if (!fDetTypeID || fNLayers<=lr) AliFatal(Form("Number of layers %d, %d is manipulated",fNLayers,lr));
753 //______________________________________________________________________
754 Int_t AliITSUv0::GetLayerDetTypeID(Int_t lr)
757 if (!fDetTypeID || fNLayers<=lr) AliFatal(Form("Number of layers %d, %d is manipulated",fNLayers,lr));
758 return fDetTypeID[lr];