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2b680d9b 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
b7943f00 16//************************************************************************
17// Inner Traking System geometry v11
18//
19// Based on ROOT geometrical modeler
20// Set #define WITHROOT in TGeant3.h
21//
22// B. Nilsen, L. Gaudichet
23//************************************************************************
24
25
26//#include <Riostream.h>
541f7ba6 27#include <TClonesArray.h>
2b680d9b 28#include <TLorentzVector.h>
b7943f00 29
30#include "AliITS.h"
2b680d9b 31#include "AliITSDetType.h"
b7943f00 32#include "AliITSGeant3Geometry.h"
33#include "AliITSgeom.h"
34#include "AliITSgeomSDD.h"
35#include "AliITSgeomSPD.h"
36#include "AliITSgeomSSD.h"
37#include "AliITShit.h"
2b680d9b 38#include "AliITSresponseSDD.h"
b7943f00 39#include "AliITSresponseSPD.h"
40#include "AliITSresponseSSD.h"
2b680d9b 41#include "AliITSsegmentationSDD.h"
b7943f00 42#include "AliITSsegmentationSPD.h"
43#include "AliITSsegmentationSSD.h"
541f7ba6 44#include "AliITSv11.h"
b7943f00 45#include "AliMagF.h"
46#include "AliRun.h"
47#include "AliTrackReference.h"
48#include "AliMC.h"
49
50#include <TGeoManager.h>
51#include <TGeoVolume.h>
52#include <TGeoPcon.h>
53//#include "AliITSv11GeometrySPD.h"
db486a6e 54#include "AliITSv11GeometrySDD.h"
b7943f00 55//#include "AliITSv11GeometrySupport.h"
171f3f35 56
2b680d9b 57
541f7ba6 58
b7943f00 59ClassImp(AliITSv11)
60
2b680d9b 61//______________________________________________________________________
b7943f00 62 AliITSv11::AliITSv11() :
63 AliITS("ITS","ITS geometry v11"),
db486a6e 64 fGeomDetOut(kFALSE),
65 fGeomDetIn(kFALSE),
66 fMajorVersion(11),
b7943f00 67 fMinorVersion(0) {
68 // Standard default constructor for the ITS version 11.
69 // Inputs:
70 // none.
71 // Outputs:
72 // none.
73 // Return:
74 // none.
75
76 Int_t i;
77 for(i=0;i<60;i++) fRead[i] = '\0';
78 for(i=0;i<60;i++) fWrite[i] = '\0';
79 for(i=0;i<60;i++) fEuclidGeomDet[i] = '\0';
80 strncpy(fRead,"$ALICE_ROOT/ITS/ITSgeometry_vPPRasymmFMD.det",60);
81 SetEUCLID(kFALSE);
2b680d9b 82
b7943f00 83// fSPDgeom = new AliITSv11GeometrySPD();
84 fSDDgeom = new AliITSv11GeometrySDD();
85// fSupgeom = new AliITSv11GeometrySupport();
f7315efc 86
b7943f00 87 fIdN = 1;
88 fIdName = new TString[fIdN];
89 fIdName[0] = fSDDgeom->GetSenstiveVolumeMame();
90 fIdSens = new Int_t[fIdN];
91 for(Int_t i=0; i<fIdN; i++) fIdSens[i] = 0;
2b680d9b 92}
b7943f00 93
2b680d9b 94//______________________________________________________________________
db486a6e 95AliITSv11::AliITSv11(Int_t debugITS,Int_t debugSPD,Int_t debugSDD,
b7943f00 96 Int_t debugSSD,Int_t debugSUP) :
97 AliITS("ITS","ITS geometry v11"),
98 fGeomDetOut(kFALSE),
99 fGeomDetIn(kFALSE),
100 fMajorVersion(11),
101 fMinorVersion(0) {
102 // Standard default constructor for the ITS version 11.
103 // Inputs:
104 // Int_t debugITS Debug flag for ITS code (required).
105 // Int_t debugSPD Debug flag for SPD geometry (default = 0).
106 // Int_t debugSDD Debug flag for SDD geometry (default = 0).
107 // Int_t debugSSD Debug flag for SSD geometry (default = 0).
108 // Int_t debugSUP Debug flag for SUPort geometry (default = 0).
109 // Outputs:
110 // none.
111 // Return
112
113 SetDensityServicesByThickness();
114
115 SetEUCLID(kFALSE);
116 fEuclidGeometry="$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.euc";
117 strncpy(fEuclidGeomDet,"$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det",60);
118 strncpy(fRead,fEuclidGeomDet,60);
119 strncpy(fWrite,fEuclidGeomDet,60);
120 strncpy(fRead,"$ALICE_ROOT/ITS/ITSgeometry_vPPRasymmFMD.det",60);
121
122// fSPDgeom = new AliITSv11GeometrySPD(debugSPD);
123 fSDDgeom = new AliITSv11GeometrySDD(debugSDD);
124// fSupgeom = new AliITSv11GeometrySupport(debugSUP);
125
126 fIdN = 1;
127 fIdName = new TString[fIdN];
128 fIdName[0] = fSDDgeom->GetSenstiveVolumeMame();
129 fIdSens = new Int_t[fIdN];
130 for(Int_t i=0; i<fIdN; i++) fIdSens[i] = 0;
131
132 debugITS = (debugSPD && debugSSD && debugSUP); //remove temp. warnings
162acd47 133}
b7943f00 134
135
162acd47 136//______________________________________________________________________
b7943f00 137AliITSv11::AliITSv11(const AliITSv11 &source) :
138 AliITS(source){
139 // Copy Constructor for ITS version 11. This function is not to be
140 // used. If any other instance of this function, other than "this" is
141 // passed, an error message is returned.
162acd47 142 // Inputs:
b7943f00 143 // const AliITSv11 &source This class
162acd47 144
145 if(&source == this) return;
b7943f00 146 Warning("Copy Constructor","Not allowed to copy AliITSv11");
162acd47 147 return;
148}
b7943f00 149
150
162acd47 151//______________________________________________________________________
b7943f00 152AliITSv11& AliITSv11::operator=(const AliITSv11
153 &source){
154 // Assignment operator for the ITS version 11. This function is not
155 // to be used. If any other instance of this function, other than "this"
156 // is passed, an error message is returned.
162acd47 157 // Inputs:
b7943f00 158 // const AliITSv11 &source This class
162acd47 159
160 if(&source == this) return *this;
b7943f00 161 Warning("= operator","Not allowed to copy AliITSv11");
162acd47 162 return *this;
dfefbaec 163}
b7943f00 164
165
dfefbaec 166//______________________________________________________________________
b7943f00 167AliITSv11::~AliITSv11() {
168 delete fSDDgeom;
169}
2b680d9b 170
2b680d9b 171
b7943f00 172//______________________________________________________________________
173void AliITSv11::BuildGeometry(){
174
2b680d9b 175}
b7943f00 176
177
2b680d9b 178//______________________________________________________________________
aa9bc63b 179void AliITSv11::CreateGeometry(){
b7943f00 180 //
181 // Create ROOT geometry
182 //
183
184 TGeoManager *geoManager = gGeoManager;
185 TGeoVolume *vALIC = geoManager->GetTopVolume();
186
187 TGeoPcon *sITS = new TGeoPcon("ITS Top Volume",0.0,360.0,2);
188
189 // DefineSection(section number, Z, Rmin, Rmax).
190 const Double_t kcm = 1.0;
191 sITS->DefineSection(0,-300.0*kcm,0.01*kcm,50.0*kcm);
192 sITS->DefineSection(1,+300.0*kcm,0.01*kcm,50.0*kcm);
193
194 TGeoMedium *air = gGeoManager->GetMedium("ITSair");
195 TGeoVolume *vITS = new TGeoVolume("vITS",sITS,air);
196 vITS->SetVisibility(kFALSE);
197 vALIC->AddNode(vITS,1,0);
198
199// fSPDgeom->CenteralSPD(vITS);
200 fSDDgeom->Layer3(vITS);
201 fSDDgeom->Layer4(vITS);
202// fSupgeom->SPDCone(vITS);
203// fSupgeom->SPDThermalSheald(vITS);
204// fSupgeom->SDDCone(vITS);
205// fSupgeom->SSDCone(vITS);
206// fSupgeom->ServicesCableSupport(vITS);
207
541f7ba6 208}
b7943f00 209
210
541f7ba6 211//______________________________________________________________________
212void AliITSv11::CreateMaterials(){
b7943f00 213 //
214 // Create ITS materials
215 // Defined media here should correspond to the one defined in galice.cuts
216 // File which is red in (AliMC*) fMCApp::Init() { ReadTransPar(); }
217 //
218
219 Int_t ifield = gAlice->Field()->Integ();
220 Float_t fieldm = gAlice->Field()->Max();
221
222 Float_t tmaxfd = 0.1; // 1.0; // Degree
223 Float_t stemax = 1.0; // cm
224 Float_t deemax = 0.1; // 30.0; // Fraction of particle's energy 0<deemax<=1
225 Float_t epsil = 1.0E-4; // 1.0; // cm
226 Float_t stmin = 0.0; // cm "Default value used"
227
228 Float_t tmaxfdSi = 0.1; // .10000E+01; // Degree
229 Float_t stemaxSi = 0.0075; // .10000E+01; // cm
230 Float_t deemaxSi = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1
231 Float_t epsilSi = 1.0E-4;// .10000E+01;
232 Float_t stminSi = 0.0; // cm "Default value used"
233
234 Float_t tmaxfdAir = 0.1; // .10000E+01; // Degree
235 Float_t stemaxAir = .10000E+01; // cm
236 Float_t deemaxAir = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1
237 Float_t epsilAir = 1.0E-4;// .10000E+01;
238 Float_t stminAir = 0.0; // cm "Default value used"
239
240 Float_t tmaxfdServ = 1.0; // 10.0; // Degree
241 Float_t stemaxServ = 1.0; // 0.01; // cm
242 Float_t deemaxServ = 0.5; // 0.1; // Fraction of particle's energy 0<deemax<=1
243 Float_t epsilServ = 1.0E-3; // 0.003; // cm
244 Float_t stminServ = 0.0; //0.003; // cm "Default value used"
245
246 // Freon PerFluorobuthane C4F10 see
247 // http://st-support-cooling-electronics.web.cern.ch/
248 // st-support-cooling-electronics/default.htm
249 Float_t afre[2] = { 12.011,18.9984032 };
250 Float_t zfre[2] = { 6., 9. };
251 Float_t wfre[2] = { 4.,10. };
252 Float_t densfre = 1.52;
253
254
255 //CM55J
256 Float_t aCM55J[4]={12.0107,14.0067,15.9994,1.00794};
257 Float_t zCM55J[4]={6.,7.,8.,1.};
258 Float_t wCM55J[4]={0.908508078,0.010387573,0.055957585,0.025146765};
259 Float_t dCM55J = 1.63;
260
261 //ALCM55J
262 Float_t aALCM55J[5]={12.0107,14.0067,15.9994,1.00794,26.981538};
263 Float_t zALCM55J[5]={6.,7.,8.,1.,13.};
264 Float_t wALCM55J[5]={0.817657902,0.0093488157,0.0503618265,0.0226320885,0.1};
265 Float_t dALCM55J = 1.9866;
266
267 //Si Chips
268 Float_t aSICHIP[6]={12.0107,14.0067,15.9994,1.00794,28.0855,107.8682};
269 Float_t zSICHIP[6]={6.,7.,8.,1.,14., 47.};
270 Float_t wSICHIP[6]={0.039730642,0.001396798,0.01169634,
271 0.004367771,0.844665,0.09814344903};
272 Float_t dSICHIP = 2.36436;
273
274 //Inox
275 Float_t aINOX[9]={12.0107,54.9380, 28.0855,30.9738,32.066,
276 58.6928,55.9961,95.94,55.845};
277 Float_t zINOX[9]={6.,25.,14.,15.,16., 28.,24.,42.,26.};
278 Float_t wINOX[9]={0.0003,0.02,0.01,0.00045,0.0003,0.12,0.17,0.025,0.654};
279 Float_t dINOX = 8.03;
280
281 //SDD HV microcable
282 Float_t aHVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
283 Float_t zHVm[5]={6.,1.,7.,8.,13.};
284 Float_t wHVm[5]={0.520088819984,0.01983871336,0.0551367996,0.157399667056, 0.247536};
285 Float_t dHVm = 1.6087;
286
287 //SDD LV+signal cable
288 Float_t aLVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
289 Float_t zLVm[5]={6.,1.,7.,8.,13.};
290 Float_t wLVm[5]={0.21722436468,0.0082859922,0.023028867,0.06574077612, 0.68572};
291 Float_t dLVm = 2.1035;
292
293 //SDD hybrid microcab
294 Float_t aHLVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
295 Float_t zHLVm[5]={6.,1.,7.,8.,13.};
296 Float_t wHLVm[5]={0.24281879711,0.00926228815,0.02574224025,0.07348667449, 0.64869};
297 Float_t dHLVm = 2.0502;
298
299 //SDD anode microcab
300 Float_t aALVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
301 Float_t zALVm[5]={6.,1.,7.,8.,13.};
302 Float_t wALVm[5]={0.392653705471,0.0128595919215,
303 0.041626868025,0.118832707289, 0.431909};
304 Float_t dALVm = 2.0502;
305
306 //X7R capacitors
307 Float_t aX7R[7]={137.327,47.867,15.9994,58.6928,63.5460,118.710,207.2};
308 Float_t zX7R[7]={56.,22.,8.,28.,29.,50.,82.};
309 Float_t wX7R[7]={0.251639432,0.084755042,0.085975822,
310 0.038244751,0.009471271,0.321736471,0.2081768};
311 Float_t dX7R = 7.14567;
312
313 // AIR
314 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
315 Float_t zAir[4]={6.,7.,8.,18.};
316 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
317 Float_t dAir = 1.20479E-3;
318
319 // Water
320 Float_t aWater[2]={1.00794,15.9994};
321 Float_t zWater[2]={1.,8.};
322 Float_t wWater[2]={0.111894,0.888106};
323 Float_t dWater = 1.0;
324
325 // CERAMICS
326 // 94.4% Al2O3 , 2.8% SiO2 , 2.3% MnO , 0.5% Cr2O3
327 Float_t acer[5] = { 26.981539,15.9994,28.0855,54.93805,51.9961 };
328 Float_t zcer[5] = { 13., 8., 14., 25., 24. };
329 Float_t wcer[5] = {.4443408,.5213375,.0130872,.0178135,.003421};
330 Float_t denscer = 3.6;
331
332 //G10FR4
333 Float_t zG10FR4[14] = {14.00, 20.00, 13.00, 12.00, 5.00,
334 22.00, 11.00, 19.00, 26.00, 9.00,
335 8.00, 6.00, 7.00, 1.00};
336 Float_t aG10FR4[14] = {28.0855000,40.0780000,26.9815380,24.3050000,
337 10.8110000,47.8670000,22.9897700,39.0983000,
338 55.8450000,18.9984000,15.9994000,12.0107000,
339 14.0067000,1.0079400};
340 Float_t wG10FR4[14] = {0.15144894,0.08147477,0.04128158,0.00904554,
341 0.01397570,0.00287685,0.00445114,0.00498089,
342 0.00209828,0.00420000,0.36043788,0.27529426,
343 0.01415852,0.03427566};
344 Float_t densG10FR4= 1.8;
345
346 //--- EPOXY --- C18 H19 O3
347 Float_t aEpoxy[3] = {15.9994, 1.00794, 12.0107} ;
348 Float_t zEpoxy[3] = { 8., 1., 6.} ;
349 Float_t wEpoxy[3] = { 3., 19., 18.} ;
350 Float_t dEpoxy = 1.8 ;
351
352 // rohacell: C9 H13 N1 O2
353 Float_t arohac[4] = {12.01, 1.01, 14.010, 16.};
354 Float_t zrohac[4] = { 6., 1., 7., 8.};
355 Float_t wrohac[4] = { 9., 13., 1., 2.};
356 Float_t drohac = 0.05;
357
358 // If he/she means stainless steel (inox) + Aluminium and Zeff=15.3383 then
359//
360// %Al=81.6164 %inox=100-%Al
361
362 Float_t aInAl[5] = {27., 55.847,51.9961,58.6934,28.0855 };
363 Float_t zInAl[5] = {13., 26.,24.,28.,14. };
364 Float_t wInAl[5] = {.816164, .131443,.0330906,.0183836,.000919182};
365 Float_t dInAl = 3.075;
366
367 // Kapton
368 Float_t aKapton[4]={1.00794,12.0107, 14.010,15.9994};
369 Float_t zKapton[4]={1.,6.,7.,8.};
370 Float_t wKapton[4]={0.026362,0.69113,0.07327,0.209235};
371 Float_t dKapton = 1.42;
372
373 //SDD ruby sph.
374 Float_t aAlOxide[2] = { 26.981539,15.9994};
375 Float_t zAlOxide[2] = { 13., 8.};
376 Float_t wAlOxide[2] = {0.4707, 0.5293};
377 Float_t dAlOxide = 3.97;
378
379 //---------
380 AliMaterial(1,"ITSsddSi",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
381 AliMedium(1,"ITSsddSi",1,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
382
383 AliMixture(5,"ITSair",aAir,zAir,dAir,4,wAir);
384 AliMedium(5,"ITSair",5,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
385
386 AliMixture(7,"ITSsddSiChip",aSICHIP,zSICHIP,dSICHIP,6,wSICHIP);
387 AliMedium(7,"ITSsddSiChip",7,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
388
389 AliMaterial(79,"SDD SI insensitive$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
390 AliMedium(79,"SDD SI insensitive$",79,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
391
392 AliMaterial(11,"ITSal",0.26982E+02,0.13000E+02,0.26989E+01,0.89000E+01,0.99900E+03);
393 AliMedium(11,"ITSal",11,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
394
395 AliMixture(9,"ITSsddCarbonM55J",aCM55J,zCM55J,dCM55J,4,wCM55J);
396 AliMedium(9,"ITSsddCarbonM55J",9,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
397
398 AliMixture(10,"SDD AIR$",aAir,zAir,dAir,4,wAir);
399 AliMedium(10,"SDD AIR$",10,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
400
401 AliMixture(12, "WATER",aWater,zWater,dWater,2,wWater);
402 AliMedium(12,"WATER",12,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
403
404 AliMixture(69,"ITSsddCAlM55J",aALCM55J,zALCM55J,dALCM55J,5,wALCM55J);
405 AliMedium(69,"ITSsddCAlM55J",69,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
406
407 AliMixture(70, "ITSsddKAPTON_POLYCH2", aKapton, zKapton, dKapton, 4, wKapton);
408 AliMedium(70,"ITSsddKAPTON_POLYCH2",70,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
409
410 AliMixture(77,"SDDX7Rcapacitors",aX7R,zX7R,dX7R,7,wX7R);
411 AliMedium(77,"SDDX7Rcapacitors",77,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
412
413 AliMixture(78,"SDD ruby sph. Al2O3$",aAlOxide,zAlOxide,dAlOxide,2,wAlOxide);
414 AliMedium(78,"SDD ruby sph. Al2O3$",78,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
415
416
417 AliMaterial(64,"ALUMINUM$",0.26982E+02,0.13000E+02,0.26989E+01,0.89000E+01,0.99900E+03);
418 AliMedium(64,"ALUMINUM$",64,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
419
420 AliMaterial(14,"COPPER",0.63546E+02,0.29000E+02,0.89600E+01,0.14300E+01,0.99900E+03);
421 AliMedium(14,"COPPER",14,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
422
423 AliMaterial(2,"SPD SI CHIP$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
424 AliMedium(2,"SPD SI CHIP$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
425
426 AliMaterial(3,"SPD SI BUS$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
427 AliMedium(3,"SPD SI BUS$",3,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
428
429 AliMixture(4,"C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
430 AliMedium(4,"C (M55J)$",4,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
431
432
433 AliMixture(6,"GEN AIR$",aAir,zAir,dAir,4,wAir);
434 AliMedium(6,"GEN AIR$",6,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
435
436 AliMixture(13,"Freon$",afre,zfre,densfre,-2,wfre);
437 AliMedium(13,"Freon$",13,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
438
439
440 AliMixture(15,"CERAMICS$",acer,zcer,denscer,5,wcer);
441 AliMedium(15,"CERAMICS$",15,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
442
443 AliMixture(20,"SSD C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
444 AliMedium(20,"SSD C (M55J)$",20,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
445
446 AliMixture(21,"SSD AIR$",aAir,zAir,dAir,4,wAir);
447 AliMedium(21,"SSD AIR$",21,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
448
449 AliMixture(25,"G10FR4$",aG10FR4,zG10FR4,densG10FR4,14,wG10FR4);
450 AliMedium(25,"G10FR4$",25,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
451
452 AliMixture(26,"GEN C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
453 AliMedium(26,"GEN C (M55J)$",26,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
454
455 AliMixture(27,"GEN Air$",aAir,zAir,dAir,4,wAir);
456 AliMedium(27,"GEN Air$",27,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
457
458 AliMaterial(51,"SPD SI$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
459 AliMedium(51,"SPD SI$",51,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
460
461 AliMaterial(52,"SPD SI CHIP$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
462 AliMedium(52,"SPD SI CHIP$",52,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
463
464 AliMaterial(53,"SPD SI BUS$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
465 AliMedium(53,"SPD SI BUS$",53,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
466
467 AliMixture(54,"SPD C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
468 AliMedium(54,"SPD C (M55J)$",54,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
469
470 AliMixture(55,"SPD AIR$",aAir,zAir,dAir,4,wAir);
471 AliMedium(55,"SPD AIR$",55,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
472
473 AliMixture(56, "SPD KAPTON(POLYCH2)", aKapton, zKapton, dKapton, 4, wKapton);
474 AliMedium(56,"SPD KAPTON(POLYCH2)$",56,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
475
476 AliMixture(61,"EPOXY$",aEpoxy,zEpoxy,dEpoxy,-3,wEpoxy);
477 AliMedium(61,"EPOXY$",61,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
478
479 AliMaterial(62,"SILICON$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
480 AliMedium(62,"SILICON$",62,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
481
482 AliMixture(63, "KAPTONH(POLYCH2)", aKapton, zKapton, dKapton, 4, wKapton);
483 AliMedium(63,"KAPTONH(POLYCH2)$",63,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
484
485
486 AliMixture(65,"INOX$",aINOX,zINOX,dINOX,9,wINOX);
487 AliMedium(65,"INOX$",65,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
488
489 AliMixture(68,"ROHACELL$",arohac,zrohac,drohac,-4,wrohac);
490 AliMedium(68,"ROHACELL$",68,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
491
492
493 AliMaterial(71,"ITS SANDW A$",0.12011E+02,0.60000E+01,0.2115E+00,0.17479E+03,0.99900E+03);
494 AliMedium(71,"ITS SANDW A$",71,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
495
496 AliMaterial(72,"ITS SANDW B$",0.12011E+02,0.60000E+01,0.27000E+00,0.18956E+03,0.99900E+03);
497 AliMedium(72,"ITS SANDW B$",72,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
498
499 AliMaterial(73,"ITS SANDW C$",0.12011E+02,0.60000E+01,0.41000E+00,0.90868E+02,0.99900E+03);
500 AliMedium(73,"ITS SANDW C$",73,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
501
502 AliMaterial(74,"HEAT COND GLUE$",0.12011E+02,0.60000E+01,0.1930E+01,0.22100E+02,0.99900E+03);
503 AliMedium(74,"HEAT COND GLUE$",74,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
504
505 AliMaterial(75,"ELASTO SIL$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
506 AliMedium(75,"ELASTO SIL$",75,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
507
508 AliMaterial(76,"SPDBUS(AL+KPT+EPOX)$",0.19509E+02,0.96502E+01,0.19060E+01,0.15413E+02,0.99900E+03);
509 AliMedium(76,"SPDBUS(AL+KPT+EPOX)$",76,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
510
511
512 AliMixture(80,"SDD HV microcable$",aHVm,zHVm,dHVm,5,wHVm);
513 AliMedium(80,"SDD HV microcable$",80,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
514
515 AliMixture(81,"SDD LV+signal cable$",aLVm,zLVm,dLVm,5,wLVm);
516 AliMedium(81,"SDD LV+signal cable$",81,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
517
518 AliMixture(82,"SDD hybrid microcab$",aHLVm, zHLVm,dHLVm,5,wHLVm);
519 AliMedium(82,"SDD hybrid microcab$",82,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
520
521 AliMixture(83,"SDD anode microcab$",aALVm,zALVm,dALVm,5,wALVm);
522 AliMedium(83,"SDD anode microcab$",83,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
523
524 AliMaterial(84,"SDD/SSD rings$",0.123565E+02,0.64561E+01,0.18097E+01,0.229570E+02,0.99900E+03);
525 AliMedium(84,"SDD/SSD rings$",84,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
526
527 AliMixture(85,"inox/alum$",aInAl,zInAl,dInAl,5,wInAl);
528 AliMedium(85,"inox/alum$",85,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
529
530
531 // special media to take into account services in the SDD and SSD
532 // cones for the FMD
533
534 Float_t aA[13],zZ[13],wW[13],den;
535 // From Pierluigi Barberis calculations of 2SPD+1SDD October 2 2002.
536 zZ[0] = 1.0; aA[0] = 1.00794; // Hydrogen
537 zZ[1] = 6.0; aA[1] = 12.011; // Carbon
538 zZ[2] = 7.0; aA[2] = 14.00674; // Nitrogen
539 zZ[3] = 8.0; aA[3] = 15.9994; // Oxigen
540 zZ[4] = 14.0; aA[4] = 28.0855; // Silicon
541 zZ[5] = 24.0; aA[5] = 51.9961; //Cromium
542 zZ[6] = 25.0; aA[6] = 54.938049; // Manganese
543 zZ[7] = 26.0; aA[7] = 55.845; // Iron
544 zZ[8] = 28.0; aA[8] = 58.6934; // Nickle
545 zZ[9] = 29.0; aA[9] = 63.546; // Copper
546 zZ[10] = 13.0; aA[10] = 26.981539; // Alulminum
547 zZ[11] = 47.0; aA[11] = 107.8682; // Silver
548 zZ[12] = 27.0; aA[12] = 58.9332; // Cobolt
549 wW[0] = 0.019965;
550 wW[1] = 0.340961;
551 wW[2] = 0.041225;
552 wW[3] = 0.200352;
553 wW[4] = 0.000386;
554 wW[5] = 0.001467;
555 wW[6] = 0.000155;
556 wW[7] = 0.005113;
557 wW[8] = 0.000993;
558 wW[9] = 0.381262;
559 wW[10] = 0.008121;
560 wW[11] = 0.000000;
561 wW[12] = 0.000000;
562 if(fByThick){// New values seeITS_MatBudget_4B.xls
563 den = 1.5253276; // g/cm^3 Cell O370
564 }else{
565 den = 2.58423412; // g/cm^3 Cell L370
566 } // end if fByThick
567 //den = 6161.7/(3671.58978);//g/cm^3 Volume does not exclude holes
568 AliMixture(86,"AIRFMDSDD$",aA,zZ,den,+11,wW);
569 AliMedium(86,"AIRFMDSDD$",86,0,ifield,fieldm,tmaxfdAir,stemaxAir,
570 deemaxAir,epsilAir,stminAir);
571
572
573 wW[0] = 0.019777;
574 wW[1] = 0.325901;
575 wW[2] = 0.031848;
576 wW[3] = 0.147668;
577 wW[4] = 0.030609;
578 wW[5] = 0.013993;
579 wW[6] = 0.001479;
580 wW[7] = 0.048792;
581 wW[8] = 0.009477;
582 wW[9] = 0.350697;
583 wW[10] = 0.014546;
584 wW[11] = 0.005213;
585 wW[12] = 0.000000;
586 if(fByThick){// New values seeITS_MatBudget_4B.xls
587 den = 1.2464275; // g/cm^3 Cell O403
588 }else{
589 den = 1.28134409; // g/cm^3 Cell L403
590 } // end if fByThick
591 //den = 7666.3/(9753.553259); // volume does not exclude holes
592 AliMixture(87,"AIRFMDSSD$",aA,zZ,den,+12,wW);
593 AliMedium(87,"AIRFMDSSD$",87,0,ifield,fieldm,tmaxfdAir,stemaxAir,
594 deemaxAir,epsilAir,stminAir);
595
596 wW[0] = 0.016302;
597 wW[1] = 0.461870;
598 wW[2] = 0.033662;
599 wW[3] = 0.163595;
600 wW[4] = 0.000315;
601 wW[5] = 0.001197;
602 wW[6] = 0.000127;
603 wW[7] = 0.004175;
604 wW[8] = 0.000811;
605 wW[9] = 0.311315;
606 wW[10] = 0.006631;
607 wW[11] = 0.000000;
608 wW[12] = 0.000000;
609 if(fByThick){// New values seeITS_MatBudget_4B.xls
610 den = 1.9353276; // g/cm^3 Cell N370
611 }else{
612 den = 3.2788626; // g/cm^3 Cell F370
613 } // end if fByThick
614 //den = 7667.1/(3671.58978); // Volume does not excludeholes
615 AliMixture(88,"ITS SANDW CFMDSDD$",aA,zZ,den,+11,wW);
616 AliMedium(88,"ITS SANDW CFMDSDD$",88,0,ifield,fieldm,tmaxfd,stemax,
617 deemax,epsil,stmin);
618
619 wW[0] = 0.014065;
620 wW[1] = 0.520598;
621 wW[2] = 0.022650;
622 wW[3] = 0.105018;
623 wW[4] = 0.021768;
624 wW[5] = 0.009952;
625 wW[6] = 0.001051;
626 wW[7] = 0.034700;
627 wW[8] = 0.006740;
628 wW[9] = 0.249406;
629 wW[10] = 0.010345;
630 wW[11] = 0.0003707;
631 wW[12] = 0.000000;
632 if(fByThick){// New values seeITS_MatBudget_4B.xls
633 den = 1.6564275; // g/cm^3 Cell N304
634 }else{
635 den = 1.7028296; // g/cm^3 Cell F304
636 } // end if fByThick
637 //den = 1166.5/(3671.58978); // Volume does not exclude holes
638 AliMixture(89,"ITS SANDW CFMDSSD$",aA,zZ,den,+12,wW);
639 AliMedium(89,"ITS SANDW CFMDSSD$",89,0,ifield,fieldm,tmaxfd,stemax,
640 deemax,epsil,stmin);
641
642 wW[0] = 0.005970;
643 wW[1] = 0.304704;
644 wW[2] = 0.042510;
645 wW[3] = 0.121715;
646 wW[4] = 0.001118;
647 wW[5] = 0.030948;
648 wW[6] = 0.003270;
649 wW[7] = 0.107910;
650 wW[8] = 0.020960;
651 wW[9] = 0.360895;
652 wW[10] = 0.000000;
653 wW[11] = 0.000000;
654 wW[12] = 0.000000;
655 if(fByThick){// New values seeITS_MatBudget_4B.xls
656 den = 80.31136576; // g/cm^3 Cell H329
657 }else{
658 den = 87.13062; // g/cm^3 Cell G329
659 } // end if fByThick
660 //den = 1251.3/(0.05*2.0*TMath::Pi()*(7.75*7.75 - 3.7*3.7)); // g/cm^3
661 AliMixture(97,"SPD SERVICES$",aA,zZ,den,+10,wW);
662 AliMedium(97,"SPD SERVICES$",97,0,ifield,fieldm,tmaxfd,stemax,
663 deemax,epsil,stmin);
664
665 // Special media
666
667 AliMaterial(90,"SPD shield$", 12.011, 6., 1.93/10. , 22.1*10., 999);
668 AliMedium(90,"SPD shield$",90,0,ifield,fieldm,tmaxfdServ,stemaxServ,
669 deemaxServ,epsilServ,stminServ);
670
671 AliMaterial(91, "SPD End ladder$", 47.0447, 21.7963, 3.6374, 4.4711, 999);
672 AliMedium(91,"SPD End ladder$",91,0,ifield,fieldm,tmaxfdServ,stemaxServ,
673 deemaxServ,epsilServ,stminServ);
674
675 AliMaterial(92, "SPD cone$",28.0855, 14., 2.33, 9.36, 999);
676 AliMedium(92,"SPD cone$",92,0,ifield,fieldm,tmaxfdServ,stemaxServ,
677 deemaxServ,epsilServ,stminServ);
678
679// Material with fractional Z not actually used
680// AliMaterial(93, "SDD End ladder$", 69.9298, 29.8246, 0.3824, 36.5103, 999);
681// AliMedium(93,"SDD End ladder$",93,0,ifield,fieldm,tmaxfdServ,stemaxServ,
682// deemaxServ,epsilServ,stminServ);
683
684 AliMaterial(94, "SDD cone$",63.546, 29., 1.15, 1.265, 999);
685 AliMedium(94,"SDD cone$",94,0,ifield,fieldm,tmaxfdServ,stemaxServ,
686 deemaxServ,epsilServ,stminServ);
687
688// Material with fractional Z not actually used
689// AliMaterial(95, "SSD End ladder$", 32.0988, 15.4021, 0.68, 35.3238, 999);
690// AliMedium(95,"SSD End ladder$",95,0,ifield,fieldm,tmaxfdServ,stemaxServ,
691// deemaxServ,epsilServ,stminServ);
692
693 AliMaterial(96, "SSD cone$",63.546, 29., 1.15, 1.265, 999);
694 AliMedium(96,"SSD cone$",96,0,ifield,fieldm,tmaxfdServ,stemaxServ,
695 deemaxServ,epsilServ,stminServ);
696
dfefbaec 697}
b7943f00 698
699
dfefbaec 700//______________________________________________________________________
701void AliITSv11::InitAliITSgeom(){
b7943f00 702 //
703 // Fill fITSgeom with the 3 sub-detector geometries
704 //
705
706 const Int_t knlayers = 2; // only SDD for the moment
707 Int_t nlad[knlayers],ndet[knlayers];
708 nlad[0]=14; nlad[1]=22;
709 ndet[0]=6; ndet[1]=8;
710 Int_t mod = nlad[0]*ndet[0]+nlad[1]*ndet[1];
711 if (fITSgeom) delete fITSgeom;
712 fITSgeom = new AliITSgeom(0,knlayers,nlad,ndet,mod);
713
714
715 //***************************************************
716 // Set default shapes
717 // (These default shapes won't exist anymore when all
718 // layers are coded)
719
720 const Float_t kDxyzSPD[] = {0.6400, 0.015, 3.480};
721 if(!(fITSgeom->IsShapeDefined(kSPD)))
722 fITSgeom->ReSetShape(kSPD,
723 new AliITSgeomSPD425Short(3,(Float_t *)kDxyzSPD));
724
725 const Float_t kDxyzSSD[] = {3.6500, 0.0150, 2.000};
726 if(!(fITSgeom->IsShapeDefined(kSSD)))
727 fITSgeom->ReSetShape(kSSD,
728 new AliITSgeomSSD75and275(3,(Float_t *)kDxyzSSD));
729
730 //*****************************************
731 fSDDgeom->ExportSensorGeometry(fITSgeom, +1, 0); //SDD
732
733 return;
dfefbaec 734}
b7943f00 735
736
dfefbaec 737//______________________________________________________________________
738void AliITSv11::Init(){
b7943f00 739 //
740 // Initialise the ITS after it has been created.
741 //
742
743 Int_t i;
744
745 for(i=0;i<20;i++) printf("*");
746 printf( " ITSv%i.%i_Init ", fMajorVersion,fMinorVersion );
747 for(i=0;i<20;i++) printf("*"); printf("\n");
748
749 // Create geometry
750 if(fRead[0]=='\0') strncpy(fRead,fEuclidGeomDet,60);
751 if(fWrite[0]=='\0') strncpy(fWrite,fEuclidGeomDet,60);
752 if(fITSgeom!=0) delete fITSgeom;
753 fITSgeom = new AliITSgeom();
754 if(fGeomDetIn) fITSgeom->ReadNewFile(fRead);
755 else this->InitAliITSgeom();
756 if(fGeomDetOut) fITSgeom->WriteNewFile(fWrite);
757
758 // Initialize AliITS
759 AliITS::Init();
760
761 for(i=0;i<40+16;i++) printf("*"); printf("\n");
dfefbaec 762}
b7943f00 763
764
dfefbaec 765//______________________________________________________________________
766void AliITSv11::SetDefaults(){
b7943f00 767 //
768 // Set response ans segmentation models for SPD, SDD and SSD
769 //
770
771 printf("AliITSv11::SetDefaults :\n");
772 const Float_t kconv = 1.0e+04; // convert cm to microns
773
774 AliITSDetType *iDetType;
775 AliITSgeomSPD *s0;
776 AliITSgeomSDD *s1;
777 AliITSgeomSSD *s2;
778 Int_t i;
779 Float_t bx[256],bz[280];
780
781 //================================================ SPD
782 iDetType=DetType(kSPD);
783 s0 = (AliITSgeomSPD*) fITSgeom->GetShape(kSPD);// Get shape info. Do it this way for now.
784 // If some SPD detectors have been inserted in t
785 if (s0) {
786 AliITSresponse *resp0=new AliITSresponseSPD();
787 SetResponseModel(kSPD,resp0);
788 AliITSsegmentationSPD *seg0=new AliITSsegmentationSPD(fITSgeom);
789 seg0->SetDetSize(s0->GetDx()*2.*kconv, // base this on AliITSgeomSPD
790 s0->GetDz()*2.*kconv, // for now.
791 s0->GetDy()*2.*kconv); // x,z,y full width in microns.
792 seg0->SetNPads(256,160);// Number of Bins in x and z
793 for(i=000;i<256;i++) bx[i] = 50.0; // in x all are 50 microns.
794 for(i=000;i<160;i++) bz[i] = 425.0; // most are 425 microns except below
795 for(i=160;i<280;i++) bz[i] = 0.0; // Outside of detector.
796 bz[ 31] = bz[ 32] = 625.0; // first chip boundry
797 bz[ 63] = bz[ 64] = 625.0; // first chip boundry
798 bz[ 95] = bz[ 96] = 625.0; // first chip boundry
799 bz[127] = bz[128] = 625.0; // first chip boundry
800 bz[160] = 425.0; // Set so that there is no zero pixel size for fNz.
801 seg0->SetBinSize(bx,bz); // Based on AliITSgeomSPD for now.
802 SetSegmentationModel(kSPD,seg0);
803 // set digit and raw cluster classes to be used
804 const char *kData0=(iDetType->GetResponseModel())->DataType();
805 if (strstr(kData0,"real")) iDetType->ClassNames("AliITSdigit",
806 "AliITSRawClusterSPD");
807 else iDetType->ClassNames("AliITSdigitSPD","AliITSRawClusterSPD");
808 };
809
810 //================================================ SDD
811 iDetType=DetType(kSDD);
812 s1 = (AliITSgeomSDD*) fITSgeom->GetShape(kSDD);// Get shape info. Do it this way for now.
813 if (s1) {
814 AliITSresponseSDD *resp1=new AliITSresponseSDD("simulated");
815 SetResponseModel(kSDD,resp1);
816 AliITSsegmentationSDD *seg1=new AliITSsegmentationSDD(fITSgeom,resp1);
817 seg1->SetDetSize(s1->GetDx()*kconv, // base this on AliITSgeomSDD
818 s1->GetDz()*2.*kconv, // for now.
819 s1->GetDy()*2.*kconv); // x,z,y full width in microns.
820 seg1->SetNPads(256,256);// Use AliITSgeomSDD for now
821 SetSegmentationModel(kSDD,seg1);
822 const char *kData1=(iDetType->GetResponseModel())->DataType();
823 const char *kopt=iDetType->GetResponseModel()->ZeroSuppOption();
824 if((!strstr(kopt,"2D")) && (!strstr(kopt,"1D")) || strstr(kData1,"real") ){
825 iDetType->ClassNames("AliITSdigit","AliITSRawClusterSDD");
826 } else iDetType->ClassNames("AliITSdigitSDD","AliITSRawClusterSDD");
827 };
828
829 //================================================ SSD Layer 5
830 iDetType=DetType(kSSD);
831 s2 = (AliITSgeomSSD*) fITSgeom->GetShape(kSSD);// Get shape info. Do it this way for now.
832 if (s2) {
833 AliITSresponse *resp2=new AliITSresponseSSD("simulated");
834 SetResponseModel(kSSD,resp2);
835 AliITSsegmentationSSD *seg2=new AliITSsegmentationSSD(fITSgeom);
836 seg2->SetDetSize(s2->GetDx()*2.*kconv, // base this on AliITSgeomSSD
837 s2->GetDz()*2.*kconv, // for now.
838 s2->GetDy()*2.*kconv); // x,z,y full width in microns.
839 seg2->SetPadSize(95.,0.); // strip x pitch in microns
840 seg2->SetNPads(768,0); // number of strips on each side.
841 seg2->SetAngles(0.0075,0.0275); // strip angels rad P and N side.
842 seg2->SetAnglesLay5(0.0075,0.0275); // strip angels rad P and N side.
843 seg2->SetAnglesLay6(0.0275,0.0075); // strip angels rad P and N side.
844 SetSegmentationModel(kSSD,seg2);
845 const char *kData2=(iDetType->GetResponseModel())->DataType();
846 if(strstr(kData2,"real") ) iDetType->ClassNames("AliITSdigit",
847 "AliITSRawClusterSSD");
848 else iDetType->ClassNames("AliITSdigitSSD","AliITSRawClusterSSD");
849 };
850
851 if(kNTYPES>3){
852 Warning("SetDefaults",
853 "Only the four basic detector types are initialised!");
854 }// end if
855 return;
856};
857
858
859
860
dfefbaec 861//______________________________________________________________________
b7943f00 862void AliITSv11::DrawModule() const{
863
dfefbaec 864}
b7943f00 865
dfefbaec 866//______________________________________________________________________
867void AliITSv11::StepManager(){
b7943f00 868 //
869 // Called for every step in the ITS, then calles the AliITShit class
870 // creator with the information to be recoreded about that hit.
871 //
872
873 Int_t copy, id;
874 TLorentzVector position, momentum;
875 static TLorentzVector position0;
876 static Int_t stat0=0;
877
878 if(!(this->IsActive())){
879 return;
880 } // end if !Active volume.
881
882 if(!(gMC->TrackCharge())) return;
883
884 id=gMC->CurrentVolID(copy);
885
886 Bool_t sensvol = kFALSE;
887 for(Int_t kk = 0; kk < fIdN; kk++)
888 if(id == fIdSens[kk]) sensvol = kTRUE;
889
890 if (sensvol && (gMC->IsTrackExiting())) {
891 copy = fTrackReferences->GetEntriesFast();
892 TClonesArray &lTR = *fTrackReferences;
893 // Fill TrackReference structure with this new TrackReference.
894 new(lTR[copy]) AliTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
895 } // if Outer ITS mother Volume
896
897 Int_t vol[5];
898 TClonesArray &lhits = *fHits;
899 //
900 // Track status
901 vol[3] = 0;
902 vol[4] = 0;
903 // Fill hit structure.
904 if(gMC->IsTrackInside()) vol[3] += 1;
905 if(gMC->IsTrackEntering()) vol[3] += 2;
906 if(gMC->IsTrackExiting()) vol[3] += 4;
907 if(gMC->IsTrackOut()) vol[3] += 8;
908 if(gMC->IsTrackDisappeared()) vol[3] += 16;
909 if(gMC->IsTrackStop()) vol[3] += 32;
910 if(gMC->IsTrackAlive()) vol[3] += 64;
911
912 // Only entering charged tracks
913 if(!(gMC->TrackCharge())) return;
914
915 if((id = gMC->CurrentVolID(copy)) == fIdSens[0]) {
916 fSDDgeom->GetCurrentLayLaddDet(vol[0], vol[2], vol[1]);
917 // vol[2], vol[1]) : in this order because the ladder
918 // index and the det. index are exchanged in the constructor
919 // of AliITShit ... ???
920
921 } else {
922 return; // not an ITS volume?
923 };
924
925 gMC->TrackPosition(position);
926 gMC->TrackMomentum(momentum);
927 vol[4] = stat0;
928 if(gMC->IsTrackEntering()){
929 position0 = position;
930 stat0 = vol[3];
931 return;
932 } // end if IsEntering
933 // Fill hit structure with this new hit.
934 new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->GetMCApp()->GetCurrentTrackNumber(),
935 vol, gMC->Edep(),gMC->TrackTime(),position,
936 position0,momentum);
937 //
938 position0 = position;
939 stat0 = vol[3];
dfefbaec 940
b7943f00 941 return;
942};