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5a30b198 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 $Id$
18*/
15efbab5 19/////////////////////////////////////////////////////////////////
20// Class for the SDD beam test August2004 //
21// //
22// //
23/////////////////////////////////////////////////////////////////
7d62fb64 24
f7a1cc68 25#include <TGeoGlobalMagField.h>
012f0f4c 26#include <TGeoManager.h>
f7a1cc68 27#include <TGeoMatrix.h>
8119ddd8 28#include <TLorentzVector.h>
867f3305 29#include <TVirtualMC.h>
5a30b198 30
867f3305 31#include "AliMC.h"
5a30b198 32#include "AliRun.h"
33#include "AliMagF.h"
5a30b198 34#include "AliTrackReference.h"
35#include "AliITShit.h"
5a30b198 36#include "AliITSgeom.h"
5a30b198 37#include "AliITSgeomSDD.h"
38#include "AliITSgeomSSD.h"
7d62fb64 39#include "AliITSDetTypeSim.h"
fcf95fc7 40#include "AliITSCalibrationSPD.h"
41#include "AliITSCalibrationSDD.h"
42#include "AliITSCalibrationSSD.h"
5a30b198 43#include "AliITSsegmentationSPD.h"
44#include "AliITSsegmentationSDD.h"
45#include "AliITSsegmentationSSD.h"
5bfe44ce 46#include "AliITSsimulationSPD.h"
5a30b198 47#include "AliITSsimulationSDD.h"
48#include "AliITSsimulationSSD.h"
5a30b198 49
012f0f4c 50#include "AliITSvSDD03.h"
7d62fb64 51
5a30b198 52ClassImp(AliITSvSDD03)
53
54//______________________________________________________________________
8119ddd8 55AliITSvSDD03::AliITSvSDD03() :
aacedc3e 56AliITS(),
012f0f4c 57fMajorVersion(IsVersion()),
aacedc3e 58fMinorVersion(2),
aacedc3e 59fIDMother(0),
012f0f4c 60fYear(2003),
61fTarg(kNoTarg),
62fTargThick(0.0),
63fIgm(kvSDD03){
5a30b198 64 ////////////////////////////////////////////////////////////////////////
65 // Standard default constructor for the ITS SDD test beam 2002 version 1.
66 // Inputs:
67 // none.
68 // Outputs:
69 // none.
70 // Return:
71 // A default created class.
72 ////////////////////////////////////////////////////////////////////////
5a30b198 73
74 fIdN = 0;
75 fIdName = 0;
76 fIdSens = 0;
5a30b198 77}
78//______________________________________________________________________
8119ddd8 79AliITSvSDD03::AliITSvSDD03(const char *title,Int_t year):
aacedc3e 80AliITS("ITS", title),
012f0f4c 81fMajorVersion(IsVersion()),
aacedc3e 82fMinorVersion(2),
aacedc3e 83fIDMother(0),
012f0f4c 84fYear(year),
85fTarg(kNoTarg),
86fTargThick(0.0),
87fIgm(kvSDD03){
5a30b198 88 ////////////////////////////////////////////////////////////////////////
89 // Standard constructor for the ITS SDD testbeam 2002 version 1.
90 // Inputs:
91 // const char *title title for this ITS geometry.
92 // Outputs:
93 // none.
94 // Return:
95 // A standard created class.
96 ////////////////////////////////////////////////////////////////////////
97 Int_t i;
98
8119ddd8 99 fIdN = 3;
5a30b198 100 fIdName = new TString[fIdN];
101 fIdName[0] = "IMBS";
102 fIdName[1] = "ITST";
8119ddd8 103 fIdName[2] = "ISNT";
5a30b198 104 fIdSens = new Int_t[fIdN];
105 for(i=0;i<fIdN;i++) fIdSens[i] = 0;
5a30b198 106
5a30b198 107}
108//______________________________________________________________________
5a30b198 109AliITSvSDD03::~AliITSvSDD03() {
110 ////////////////////////////////////////////////////////////////////////
111 // Standard destructor for the ITS SDD test beam 2002 version 1.
112 // Inputs:
113 // none.
114 // Outputs:
115 // none.
116 // Return:
117 // none.
118 ////////////////////////////////////////////////////////////////////////
119}
012f0f4c 120/*
5a30b198 121//______________________________________________________________________
8119ddd8 122Int_t AliITSvSDD03::DecodeDetector(Int_t id,Int_t cpy,Int_t &lay,
15efbab5 123 Int_t &det,Int_t &lad) const{
8119ddd8 124 // Given the Geant id and copy volume number, returns the layer, ladder,
125 // and detector number, allong with the module number of the detector
126 // involved. Returns -1 and lay=0, lad=0, and det=0 if not a sensitive
127 // volume.
128 // Inputs:
129 // Int_t id Geometry volume id number
130 // Int_t cpy Geometry copy number
131 // Outputs:
132 // Int_t lay ITS layer number
133 // Int_t lad ITS ladder number
134 // Int_t det ITS detector number
135 // Return:
136 // Int_t module number.
137 Int_t mod;
138
139 lay = 0; lad = 0; det = 0; mod = -1;
140 if(id==fIdSens[0]){ // Volume name is IMBS (ITEL)
141 lad = 1; det = 1;
142 lay = cpy;
15efbab5 143 if(cpy>4) lay+=2;
8119ddd8 144 mod = lay-1;
145 return mod;
146 }// end if
147 if(id==fIdSens[1]){ // Volume name is ITST (IDet)
15efbab5 148 lad = 1; det = 1;lay = cpy+4;
149 mod = lay-1;
8119ddd8 150 return mod;
151 }// end if
152 return mod;
153}
012f0f4c 154*/
8119ddd8 155//______________________________________________________________________
5a30b198 156void AliITSvSDD03::CreateGeometry(){
157 ////////////////////////////////////////////////////////////////////////
158 // This routine defines and Creates the geometry for version 1 of the ITS.
159 // ALIC ALICE Mother Volume
160 // |- ITSV ITS Mother Volume
012f0f4c 161 // |- IDET *2 Detector under Test (boxcontaining SDD)
5a30b198 162 // | |-IDAI Air inside box
163 // | |- ITS0 SDD Si Chip
164 // | |- ITST SDD Sensitivve Volume
165 // |- ITEL *10 SSD Telescope (plastic box containting SSD's)
166 // | |- ITAI Air inside box
167 // | |- IMB0 SDD Si Chip
168 // | |- IMBS SDD Sensitive volume
169 // |-ISNT*4 Sintilator triggers
012f0f4c 170 //
171 // ITEL ITEL ITEL ITEL IDET IDET ITEL ITEL ITEL ITEL ITEL ITEL
172 // Z-> -584 -574 -504 -494 000 +052 +601 +610 +684 +694 +877 +887
173 // | | | | | | | | | | | |
174 // cpn1 1 2 3 4 1 2 5 6 7 8 9 10
175 //
5a30b198 176 // Inputs:
177 // none.
178 // Outputs:
179 // none.
180 // Return:
181 // none.
182 ////////////////////////////////////////////////////////////////////////
183 Float_t data[49];
184 // Define media off-set
185 Int_t *idtmed = fIdtmed->GetArray()+1; // array of media indexes
186 Int_t idrotm[4]; // Array of rotation matrix indexes
187 //Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
188 //Float_t dchipMiniBus=750.0E-4,dchiptest=300.0E-4;
189 //Float_t yposition= 0.0;
15efbab5 190 const Float_t kmm=0.1,kcm=1.0,kmicm=kmm/1000.;
012f0f4c 191 // These constant character strings are set by cvs during commit
192 // do not change them unless you know what you are doing!
193 const Char_t *cvsDate="$Date$";
194 const Char_t *cvsRevision="$Revision$";
5a30b198 195 // Define Rotation-reflextion Matrixes needed
196 // 0 is the unit matrix
197 AliMatrix(idrotm[0], 90.0,0.0, 0.0,0.0, 90.0,270.0); // SDD and SSD X
15efbab5 198 AliMatrix(idrotm[1], 90.0,90.0, 0.0,180.0, 90.0,270.0); // SSD Y
199 AliMatrix(idrotm[2],90.0,90.0,90.0,180.0,0.0,0.0); //Rotate about Z 90 degree
012f0f4c 200 /*
15efbab5 201 data[0] = 150.0*kmm;
202 data[1] = 150.0*kmm;
203 data[2] = 1100.0*kmm;
5a30b198 204 gMC->Gsvolu("ITSV","BOX ",idtmed[0],data,3);
205 gMC->Gspos("ITSV",1,"ALIC",0.0,0.0,0.0,0,"ONLY");
012f0f4c 206 */
207 TGeoVolumeAssembly *itsV = gGeoManager->MakeVolumeAssembly("ITSV");
4952f440 208 const Int_t kLength=100;
209 Char_t vstrng[kLength];
210 if(fIgm.WriteVersionString(vstrng,kLength,(AliITSVersion_t)IsVersion(),
012f0f4c 211 fMinorVersion,cvsDate,cvsRevision))
212 itsV->SetTitle(vstrng);
213 else Error("CreateGeometry","Error writing/setting version string");
214 //printf("Title set to %s\n",vstrng);
215 TGeoVolume *alic = gGeoManager->GetVolume("ALIC");
216 if(alic==0) {
217 Error("CreateGeometry","alic=0");
218 return;
219 } // end if
220 alic->AddNode(itsV,1,0);
15efbab5 221
5a30b198 222 // Crossed sintilator triggers (2 in front 2 in back)
5a30b198 223 data[0] = 10.0*kcm;
224 data[1] = 2.0*kcm;
225 data[2] = 2.0*kmm;
8119ddd8 226 gMC->Gsvolu("ISNT","BOX ",idtmed[2],data,3);
15efbab5 227 gMC->Gspos("ISNT",1,"ITSV",0.0,0.0,-950.0*kmm,0,"ONLY");
228 gMC->Gspos("ISNT",2,"ITSV",0.0,0.0,-950.0*kmm-data[2],idrotm[2],"ONLY");
229 gMC->Gspos("ISNT",3,"ITSV",0.0,0.0,950.0*kmm+data[2],0,"ONLY");
230 gMC->Gspos("ISNT",4,"ITSV",0.0,0.0,950.0*kmm,idrotm[2],"ONLY");
231
232
233////Create Volumes
234
5a30b198 235 // SSD part of telescope (MiniBuS)
15efbab5 236 Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
5a30b198 237 data[0] = detMiniBusX = 10600.0*kmicm;
15efbab5 238 data[1] = detMiniBusY = 0.150*kmm;
5a30b198 239 data[2] = detMiniBusZ = 1.1*kcm;
240 gMC->Gsvolu("IMB0", "BOX ", idtmed[1], data, 3); // contains detector
241 data[0] = 0.5*384*50*kmicm;
15efbab5 242 data[1] = 0.1499*kmm;
5a30b198 243 data[2] = 1.0*kcm;
15efbab5 244 gMC->Gsvolu("IMBS","BOX ",idtmed[1],data,3); // sensitive detector volume
5a30b198 245 gMC->Gspos("IMBS",1,"IMB0",0.0,0.0,0.0,0,"ONLY"); // place IMBS inside
246 // Box containing SSD's
15efbab5 247 data[0] = 11600.0*kmicm;
248 data[1] = 0.450*kcm;
249 data[2] = 1.16*kcm;
5a30b198 250 gMC->Gsvolu("ITAI","BOX ",idtmed[0],data,3);
251 // Plastic box size = insize + thickness.
252 data[0] = data[0] + 2.0*kmm;
253 data[1] = data[1] + 200.0*kmicm;
254 data[2] = data[2] + 2.0*kmm;
8119ddd8 255 gMC->Gsvolu("ITEL","BOX ",idtmed[3],data,3);
5a30b198 256 gMC->Gspos("ITAI",1,"ITEL",0.0,0.0,0.0,0,"ONLY");
8119ddd8 257 gMC->Gspos("IMB0",1,"ITAI",0.0,0.0,0.0,0,"ONLY");
5a30b198 258
259 // SDD under test
260 Float_t sddX,sddY,sddZ;
261 data[0] = sddX = 3.62500*kcm;
15efbab5 262 data[1] = sddY = 0.1500*kmm;
5a30b198 263 data[2] = sddZ = 4.37940*kcm;
264 gMC->Gsvolu("ITS0", "BOX ", idtmed[1], data, 3); // contains detector
265 data[0] = 3.50860*kcm;
15efbab5 266 data[1] = 0.1499*kmm;
5a30b198 267 data[2] = 3.76320*kcm;
268 gMC->Gsvolu("ITST","BOX ",idtmed[1],data,3);// sensitive detecor volume
269 gMC->Gspos("ITST",1,"ITS0",0.0,0.0,0.0,0,"ONLY"); // place ITST inside
270 // Box containing SDD under test
271 data[0] = 4.0*kcm;
272 data[1] = 0.5*kcm;
273 data[2] = 5.0*kcm;
274 gMC->Gsvolu("IDAI","BOX ",idtmed[0],data,3);
275 data[0] = data[0] + 2.0*kmm;
276 data[1] = data[1] + 200.0*kmicm;
8119ddd8 277 data[2] = data[2] + 2.0*kmm;
278 gMC->Gsvolu("IDET","BOX ",idtmed[3],data,3);
5a30b198 279 gMC->Gspos("IDAI",1,"IDET",0.0,0.0,0.0,0,"ONLY");
280 gMC->Gspos("ITS0",1,"IDAI",0.0,0.0,0.0,0,"ONLY");
281
15efbab5 282
283//// Position detectors, Beam Axis Z, X to the right, Y up to the sky.
284 // Upsteram planes of the telescope
5a30b198 285 Float_t p00X,p00Y,p00Z,p01X,p01Y,p01Z,p10X,p10Y,p10Z,p11X,p11Y,p11Z;
286 p00X = 0.0*kcm;
287 p00Y = 0.0*kcm;
15efbab5 288 p00Z = -584*kmm;
5a30b198 289 gMC->Gspos("ITEL",1,"ITSV",p00X,p00Y,p00Z,idrotm[0],"ONLY");//SSD X
290 p01X = 0.0*kcm;
291 p01Y = 0.0*kcm;
15efbab5 292 p01Z = -574*kmm;
5a30b198 293 gMC->Gspos("ITEL",2,"ITSV",p01X,p01Y,p01Z,idrotm[1],"ONLY");//SSD Y
294 p01X = 0.0*kcm;
295 p01Y = 0.0*kcm;
15efbab5 296 p01Z = -504*kmm;
5a30b198 297 gMC->Gspos("ITEL",3,"ITSV",p01X,p01Y,p01Z,idrotm[0],"ONLY");//SSD X
298 p01X = 0.0*kcm;
299 p01Y = 0.0*kcm;
15efbab5 300 p01Z = -494*kmm;
5a30b198 301 gMC->Gspos("ITEL",4,"ITSV",p01X,p01Y,p01Z,idrotm[1],"ONLY");//SSD Y
15efbab5 302
303 // Downstream planes of the telescope
5a30b198 304 p10X = 0.0*kcm;
305 p10Y = 0.0*kcm;
15efbab5 306 p10Z = +601.0*kmm;
5a30b198 307 gMC->Gspos("ITEL",5,"ITSV",p10X,p10Y,p10Z,idrotm[0],"ONLY");//SSD X
308 p11X = 0.0*kcm;
309 p11Y = 0.0*kcm;
15efbab5 310 p11Z = +610.0*kmm; //611.0
5a30b198 311 gMC->Gspos("ITEL",6,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
312 p11X = 0.0*kcm;
313 p11Y = 0.0*kcm;
15efbab5 314 p11Z = +684.0*kmm;
5a30b198 315 gMC->Gspos("ITEL",7,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");//SSD X
316 p11X = 0.0*kcm;
317 p11Y = 0.0*kcm;
15efbab5 318 p11Z = +694.0*kmm;
5a30b198 319 gMC->Gspos("ITEL",8,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
320 p11X = 0.0*kcm;
321 p11Y = 0.0*kcm;
15efbab5 322 p11Z = +877.0*kmm;
5a30b198 323 gMC->Gspos("ITEL",9,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");//SSD X
324 p11X = 0.0*kcm;
325 p11Y = 0.0*kcm;
15efbab5 326 p11Z = +887.0*kmm;
5a30b198 327 gMC->Gspos("ITEL",10,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
15efbab5 328
329 // SDDs
330 Float_t pdet1X,pdet1Y,pdet1Z;
331 Float_t pdet2X,pdet2Y,pdet2Z;
332 pdet1X = 0.0*kcm;
333 pdet1Y = 0.0*kcm;
334 pdet1Z = 0.0*kcm;
335 gMC->Gspos("IDET",1,"ITSV",pdet1X,pdet1Y,pdet1Z,idrotm[0],"ONLY");// Detector1
336 pdet2X = 0.0*kcm;
337 pdet2Y = 0.0*kcm;
338 pdet2Z = 52*kmm; //52
339 gMC->Gspos("IDET",2,"ITSV",pdet2X,pdet2Y,pdet2Z,idrotm[0],"ONLY");// Detector2
340
341// Target definition and placement
1d059662 342 if(fTarg != kNoTarg){
15efbab5 343 data[0] = 30*kmm;
344 data[1] = fTargThick*kmm; // Target thickness
345 data[2] = 30*kmm;
346 gMC->Gsvolu("ITGT","BOX ",idtmed[fTarg],data,3);
347
348 Float_t a,z,dens,radl,absl;
349 Float_t* ubuf=0; Int_t nbuf;
a6e0ebfe 350 char* ssss=0;
15efbab5 351 gMC->Gfmate(idtmed[fTarg],ssss,a,z,dens,radl,absl,ubuf,nbuf);
352
353 Info("CreateGeometry","Target A=%f, Z=%f, dens=%f",a,z,dens);
354 Info("Creategeometry","Target thickness=%f mm",fTargThick);
355
356 Float_t ptgtX,ptgtY,ptgtZ;
357 ptgtX = 0.0*kcm;
358 ptgtY = 0.0*kcm;
359 ptgtZ = -50*kmm;
360 gMC->Gspos("ITGT",1,"ITSV",ptgtX,ptgtY,ptgtZ,idrotm[0],"ONLY");// Target
361 }else{
362 Info("CreateGeometry","No target defined");
363 }
5a30b198 364}
365//______________________________________________________________________
366void AliITSvSDD03::CreateMaterials(){
367 ////////////////////////////////////////////////////////////////////////
368 //
369 // Create ITS SDD test beam materials
370 // This function defines the default materials used in the Geant
371 // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
372 // AliITSvSDD03.
373 // In general it is automatically replaced by
023ae34b 374 // the CreateMaterials routine defined in AliITSv?. Should the function
5a30b198 375 // CreateMaterials not exist for the geometry version you are using this
376 // one is used. See the definition found in AliITSv5 or the other routine
377 // for a complete definition.
378 //
379 // Inputs:
380 // none.
381 // Outputs:
382 // none.
383 // Return:
384 // none.
385 /////////////////////////////////////////////////////////////////////////
386 Float_t tmaxfdSi = 0.1; // Degree
15efbab5 387 Float_t stemaxSi = 0.0075; // cm //0.0075
5a30b198 388 Float_t deemaxSi = 0.1; // Fraction of particle's energy 0<deemax<=1
389 Float_t epsilSi = 1.0E-4;//
390 Float_t stminSi = 0.0; // cm "Default value used"
391
392 Float_t tmaxfdAir = 0.1; // Degree
15efbab5 393 Float_t stemaxAir = .10000E+01; // 1 cm //cm
5a30b198 394 Float_t deemaxAir = 0.1; // Fraction of particle's energy 0<deemax<=1
395 Float_t epsilAir = 1.0E-4;//
396 Float_t stminAir = 0.0; // cm "Default value used"
f7a1cc68 397 Int_t ifield = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ();
398 Float_t fieldm = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max();
5a30b198 399 //
5a30b198 400
15efbab5 401 // AIR
402 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
403 Float_t zAir[4]={6.,7.,8.,18.};
404 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
405 Float_t dAir = 1.20479E-3;
406 // Lucite/Plexiglass
407 Float_t aLuc[3] = {1.,12.,16.};
408 Float_t zLuc[3] = {1.,6.,8.};
409 Float_t wLuc[3] = {8.,5.,2.};
410 Float_t dLuc = 1.19;
411 // stainless steel
412 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
413 Float_t zsteel[4] = { 26.,24.,28.,14. };
414 Float_t wsteel[4] = { .715,.18,.1,.005 };
415 Float_t dsteel = 7.88;
416
417 AliMixture(1, "AIR$",aAir,zAir,dAir,4,wAir);
418 AliMaterial(2,"SI$",28.086,14.0,2.3300,9.3600,999.00);
419 AliMixture(3,"Sintilator$",aLuc,zLuc,dLuc,-3,wLuc);
420 AliMixture(4,"PlasticBox$",aLuc,zLuc,dLuc,-3,wLuc);
421 AliMaterial(5, "IRON$", 55.85, 26., 7.87, 1.76, 999.00);
422 AliMaterial(6, "LEAD$", 207.19, 82., 11.35, .56, 999.00);
423 AliMixture(7, "STAINLESS STEEL$", asteel, zsteel,dsteel, 4, wsteel);
424 AliMaterial(9, "C$", 12.011, 6., 2.265, 18.8, 999.00);
425 AliMaterial(10, "Al$", 26.98, 13., 2.70, 8.9, 999.00);
426 AliMaterial(11, "Be$", 9.012, 4., 1.848, 35.3, 999.00);
427 AliMaterial(12, "Ti$", 47.88, 22., 4.54, 3.56, 999.00);
428 AliMaterial(13, "Sn$", 118.69, 50., 7.31, 1.21, 999.00);
429 AliMaterial(14, "Cu$", 63.55, 29., 8.96, 1.43, 999.00);
430 AliMaterial(15, "Ge$", 72.59, 32., 5.323, 2.30, 999.00);
431 AliMaterial(20, "W$", 183.85, 74., 19.3, 0.35, 999.00);
432
5a30b198 433 AliMedium(1,"AIR$",1,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,
434 epsilAir,stminAir);
5a30b198 435 AliMedium(2,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
436 epsilSi,stminSi);
15efbab5 437 AliMedium(3,"Scintillator$",3,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
438 epsilSi,stminSi);
5a30b198 439 AliMedium(4,"PlasticBox$",4,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
440 epsilSi,stminSi);
15efbab5 441 AliMedium(5,"IRON$",5,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
442 epsilSi,stminSi);
443 AliMedium(6,"LEAD$",6,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
444 epsilSi,stminSi);
445 AliMedium(7,"StainlessSteel$",7,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
446 epsilSi,stminSi);
447
448 AliMedium(9,"C$",9,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
449 AliMedium(10,"Al$",10,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
450 AliMedium(11,"Be$",11,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
451 AliMedium(12,"Ti$",12,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
452 AliMedium(13,"Sn$",13,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
453 AliMedium(14,"Cu$",14,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
454 AliMedium(15,"Ge$",15,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
455 AliMedium(20,"W$",20,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
456 //dummy materials to avoid warning during simulation (galice.cuts)
457
458 AliMedium(21,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
459 epsilSi,stminSi);
460 AliMedium(25,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
461 epsilSi,stminSi);
462 AliMedium(26,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
463 epsilSi,stminSi);
464 AliMedium(27,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
465 epsilSi,stminSi);
466 AliMedium(51,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
467 epsilSi,stminSi);
468 AliMedium(52,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
469 epsilSi,stminSi);
470 AliMedium(53,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
471 epsilSi,stminSi);
472 AliMedium(54,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
473 epsilSi,stminSi);
474 AliMedium(55,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
475 epsilSi,stminSi);
476 AliMedium(56,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
477 epsilSi,stminSi);
478 AliMedium(61,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
479 epsilSi,stminSi);
480 AliMedium(62,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
481 epsilSi,stminSi);
482 AliMedium(63,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
483 epsilSi,stminSi);
484 AliMedium(64,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
485 epsilSi,stminSi);
486 AliMedium(65,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
487 epsilSi,stminSi);
488 AliMedium(68,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
489 epsilSi,stminSi);
490 AliMedium(69,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
491 epsilSi,stminSi);
492 AliMedium(70,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
493 epsilSi,stminSi);
494 AliMedium(71,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
495 epsilSi,stminSi);
496 AliMedium(72,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
497 epsilSi,stminSi);
498 AliMedium(73,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
499 epsilSi,stminSi);
500 AliMedium(74,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
501 epsilSi,stminSi);
502 AliMedium(75,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
503 epsilSi,stminSi);
504 AliMedium(76,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
505 epsilSi,stminSi);
506 AliMedium(77,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
507 epsilSi,stminSi);
508 AliMedium(78,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
509 epsilSi,stminSi);
510 AliMedium(79,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
511 epsilSi,stminSi);
512 AliMedium(80,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
513 epsilSi,stminSi);
514 AliMedium(81,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
515 epsilSi,stminSi);
516 AliMedium(82,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
517 epsilSi,stminSi);
518 AliMedium(83,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
519 epsilSi,stminSi);
520 AliMedium(84,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
521 epsilSi,stminSi);
522 AliMedium(85,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
523 epsilSi,stminSi);
524 AliMedium(90,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
525 epsilSi,stminSi);
526 AliMedium(91,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
527 epsilSi,stminSi);
528 AliMedium(92,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
529 epsilSi,stminSi);
530 AliMedium(93,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
531 epsilSi,stminSi);
532 AliMedium(94,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
533 epsilSi,stminSi);
534 AliMedium(95,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
535 epsilSi,stminSi);
536 AliMedium(96,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
537 epsilSi,stminSi);
538
012f0f4c 539}/*
5a30b198 540//______________________________________________________________________
541void AliITSvSDD03::InitAliITSgeom(){
542 // Based on the geometry tree defined in Geant 3.21, this
543 // routine initilizes the Class AliITSgeom from the Geant 3.21 ITS geometry
544 // sturture.
545 // Inputs:
546 // none.
547 // Outputs:
548 // none.
549 // Return:
550 // none.
3be5c40b 551 const Int_t knlayers=12;
552 // const Int_t kndeep=6;
553 const Int_t kltypess=2;
554 const AliITSDetector kidet[knlayers]={kSSD,kSDD};
555 const TString knames[kltypess]={
556 "/ALIC_1/ITSV_1/ITEL_%d/ITAI_1/IMB0_1/IMBS_1",
557 "/ALIC_1/ITSV_1/IDET_%d/IDAI_1/ITS0_1/ITST_1"};
558 const Int_t kitsGeomTreeCopys[kltypess]={10,2};
559 const Int_t knp=384;
012f0f4c 560 const Float_t kpitch=50.E-4;//cm
3be5c40b 561 Float_t box[3]={0.5*kpitch*(Float_t)knp,150.E-4,1.0},p[knp+1],n[knp+1];
562 Int_t nlad[knlayers]={knlayers*1};
563 Int_t ndet[knlayers]={knlayers*1};
564 Int_t mod=knlayers,lay=0,lad=0,det=0,i,j,cp0;
565 TString path,shapeName;
566 TGeoHMatrix matrix;
567 Double_t trans[3]={3*0.0},rot[10]={10*0.0};
568 TArrayD shapePar;
569 TArrayF shapeParF;
570 Bool_t isShapeDefined[kltypess]={kltypess*kFALSE};
571 AliITSgeom *geom = new AliITSgeom(0,knlayers,nlad,ndet,mod);
572 if(GetITSgeom()!=0) SetITSgeom(0x0);// delet existing if there.
573 SetITSgeom(geom);
74d31ce3 574
3be5c40b 575 p[0]=-box[0];
576 n[0]=box[0];
577 // Fill in anode and cathode strip locations (lower edge)
578 for(i=1;i<knp;i++){
579 p[i] =p[i-1]+kpitch;
580 n[i] =n[i-1]-kpitch;
581 } // end for i
582 p[knp]=box[0];
583 n[knp]=-box[0];
584 for(i=0;i<kltypess;i++)for(cp0=1;cp0<=kitsGeomTreeCopys[i];cp0++){
585 mod = DecodeDetector(fIdSens[i],cp0,lay,lad,det);
586 path.Form(knames[i].Data(),cp0);
587 gMC->GetTransformation(path.Data(),matrix);
588 gMC->GetShape(path.Data(),shapeName,shapePar);
589 shapeParF.Set(shapePar.GetSize());
590 for(j=0;j<shapePar.GetSize();j++)shapeParF[j]=shapePar[j];
591 geom->CreateMatrix(mod,lay,lad,det,kidet[i],trans,rot);
592 geom->SetTrans(mod,matrix.GetTranslation());
593 geom->SetRotMatrix(mod,matrix.GetRotationMatrix());
594 geom->GetGeomMatrix(mod)->SetPath(path.Data());
595 switch (kidet[i]){
596 case kSDD: if(!(GetITSgeom()->IsShapeDefined((Int_t)kSDD))){
597 geom->ReSetShape(kSDD,new AliITSgeomSDD256(shapeParF.GetSize(),
598 shapeParF.GetArray()));
599 isShapeDefined[i]=kTRUE;
600 } break;
601 case kSSD:if(!(GetITSgeom()->IsShapeDefined((Int_t)kSSD))){
602 geom->ReSetShape(kSSD,new AliITSgeomSSD(box,0.0,0.0,
603 knp+1,p,knp+1,n));
604 isShapeDefined[i]=kTRUE;
605 } break;
606 default:{} break;
607 } // end switch
608 } // end for i,cp0
5a30b198 609 return;
012f0f4c 610}*/
5a30b198 611//______________________________________________________________________
612void AliITSvSDD03::Init(){
613 ////////////////////////////////////////////////////////////////////////
614 // Initialise the ITS after it has been created.
615 // Inputs:
616 // none.
617 // Outputs:
618 // none.
619 // Return:
620 // none.
621 ////////////////////////////////////////////////////////////////////////
5a30b198 622
15efbab5 623
624 Info("Init","**********AliITSvSDD03 %d _Init *************",fMinorVersion);
aacedc3e 625
012f0f4c 626 AliDebug(1,Form("Init: Major version %d Minor version %d",fMajorVersion,
627 fMinorVersion));
628 //
629 UpdateInternalGeometry();
5a30b198 630 AliITS::Init();
012f0f4c 631 //
8119ddd8 632 fIDMother = gMC->VolId("ITSV"); // ITS Mother Volume ID.
aacedc3e 633
012f0f4c 634}/*
5a30b198 635//______________________________________________________________________
636void AliITSvSDD03::SetDefaults(){
637 // sets the default segmentation, response, digit and raw cluster classes
638 // Inputs:
639 // none.
640 // Outputs:
641 // none.
642 // Return:
643 // none.
15efbab5 644
023ae34b 645 // const Float_t kconv = 1.0e+04; // convert cm to microns
5a30b198 646
7d62fb64 647 if(!fDetTypeSim) fDetTypeSim = new AliITSDetTypeSim();
648 fDetTypeSim->SetITSgeom(GetITSgeom());
fcf95fc7 649 fDetTypeSim->ResetCalibrationArray();
7d62fb64 650 fDetTypeSim->ResetSegmentation();
651
5a30b198 652 AliITSgeomSDD *s1;
653 AliITSgeomSSD *s2;
fcf95fc7 654 SetCalibrationModel(GetITSgeom()->GetStartSPD(),new AliITSCalibrationSPD());
023ae34b 655 SetSegmentationModel(kSPD,(AliITSsegmentationSPD*)
656 (GetITSgeom()->GetShape(kSPD)));
7d62fb64 657 fDetTypeSim->SetDigitClassName(kSPD,"AliITSdigitSPD");
5a30b198 658
659 // SDD
7d62fb64 660 s1 = (AliITSgeomSDD*) GetITSgeom()->GetShape(kSDD);// Get shape info. Do it this way for now.
fcf95fc7 661 AliITSCalibrationSDD *resp1=new AliITSCalibrationSDD("simulated");
662 SetCalibrationModel(GetITSgeom()->GetStartSDD(),resp1);
7d62fb64 663
023ae34b 664 AliITSsegmentationSDD *seg1 = (AliITSsegmentationSDD*)
665 (GetITSgeom()->GetShape(kSDD));
253e68a0 666 seg1->SetDriftSpeed(AliITSDriftSpeedSDD::DefaultDriftSpeed());
5a30b198 667 seg1->SetNPads(256,256);// Use AliITSgeomSDD for now
668 SetSegmentationModel(kSDD,seg1);
fcf95fc7 669 const char *kData1=(fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSDD()))->DataType();
5a30b198 670
671 // SSD Layer 5
7d62fb64 672
673 s2 = (AliITSgeomSSD*) GetITSgeom()->GetShape(kSSD);// Get shape info. Do it this way for now.
674
fcf95fc7 675 AliITSCalibration *resp2= new AliITSCalibrationSSD("simulated");
676 SetCalibrationModel(GetITSgeom()->GetStartSSD(),resp2);
7d62fb64 677
023ae34b 678 AliITSsegmentationSSD *seg2 = (AliITSsegmentationSSD*)
679 (GetITSgeom()->GetShape(kSSD));
15efbab5 680 seg2->SetPadSize(50.,0.); // strip x pitch in microns
681 seg2->SetNPads(384,0); // number of strips on each side.
682 seg2->SetLayer(5);
683 seg2->SetAngles(0.,0.); // strip angles rad P and N side.
684 seg2->SetAnglesLay5(0.,0.); // strip angles rad P and N side.
685 seg2->SetAnglesLay6(0.,0.); // strip angles rad P and N side.
686
5a30b198 687 SetSegmentationModel(kSSD,seg2);
fcf95fc7 688 const char *kData2=(fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSSD()))->DataType();
7d62fb64 689 if(strstr(kData2,"real") ) fDetTypeSim->SetDigitClassName(kSSD,"AliITSdigit");
690 else fDetTypeSim->SetDigitClassName(kSSD,"AliITSdigitSSD");
5a30b198 691
7d62fb64 692 if(fgkNTYPES>3){
5a30b198 693 Warning("SetDefaults",
694 "Only the four basic detector types are initialised!");
695 }// end if
696 return;
697}
698//______________________________________________________________________
6fc43a8e 699void AliITSvSDD03::SetDefaultSimulation(){
700 // sets the default simulation.
701 // Inputs:
702 // none.
703 // Outputs:
704 // none.
705 // Return:
706 // none.
707
7d62fb64 708 if(!fDetTypeSim) fDetTypeSim = new AliITSDetTypeSim();
709 AliITSsimulation *sim;
8ba39da9 710 //AliITSsegmentation *seg;
fcf95fc7 711 //AliITSCalibration *res;
7d62fb64 712 //SPD
713 if(fDetTypeSim){
714 sim = fDetTypeSim->GetSimulationModel(kSPD);
715 if (!sim) {
8ba39da9 716 //seg =(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSPD);
717 //if(seg==0) seg = new AliITSsegmentationSPD();
fcf95fc7 718 //res = (AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSPD());
719 //if(res==0) res = new AliITSCalibrationSPD();
5bfe44ce 720 sim = new AliITSsimulationSPD(fDetTypeSim);
7d62fb64 721 SetSimulationModel(kSPD,sim);
722 }else{ // simulation exists, make sure it is set up properly.
8ba39da9 723 sim->SetSegmentationModel(kSPD,(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSPD));
fcf95fc7 724 sim->SetCalibrationModel(GetITSgeom()->GetStartSPD(),(AliITSCalibration*)fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSPD()));
7d62fb64 725 sim->Init();
726 } // end if
727 } // end if iDetType
728 //SDD
729 if(fDetTypeSim){
730 sim = fDetTypeSim->GetSimulationModel(kSDD);
731 if (!sim) {
8ba39da9 732 // seg = (AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSDD);
fcf95fc7 733 //res = (AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSDD());
8ba39da9 734 sim = new AliITSsimulationSDD(fDetTypeSim);
7d62fb64 735 SetSimulationModel(kSDD,sim);
736 }else{ // simulation exists, make sure it is set up properly.
8ba39da9 737 sim->SetSegmentationModel(kSDD,(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSDD));
fcf95fc7 738 sim->SetCalibrationModel(GetITSgeom()->GetStartSDD(),(AliITSCalibration*)fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSDD()));
7d62fb64 739
740 sim->Init();
741 } //end if
742 } // end if iDetType
743 //SSD
744 if(fDetTypeSim){
745 sim = fDetTypeSim->GetSimulationModel(kSSD);
746 if (!sim) {
8ba39da9 747 // seg = (AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSSD);
fcf95fc7 748 // res = (AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSSD());
8ba39da9 749 sim = new AliITSsimulationSSD(fDetTypeSim);
7d62fb64 750 SetSimulationModel(kSSD,sim);
751 }else{ // simulation exists, make sure it is set up properly.
8ba39da9 752 sim->SetSegmentationModel(kSSD,(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSSD));
fcf95fc7 753 sim->SetCalibrationModel(GetITSgeom()->GetStartSSD(),(AliITSCalibration*)fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSSD()));
7d62fb64 754 sim->Init();
755 } // end if
756 } // end if iDetType
012f0f4c 757 }*/
6fc43a8e 758//______________________________________________________________________
8119ddd8 759void AliITSvSDD03::DrawModule() const{
5a30b198 760 ////////////////////////////////////////////////////////////////////////
761 // Draw a shaded view of the ITS SDD test beam version 1.
762 // Inputs:
763 // none.
764 // Outputs:
765 // none.
766 // Return:
767 // none.
768 ////////////////////////////////////////////////////////////////////////
769 // Set everything unseen
770 gMC->Gsatt("*", "seen", -1);
771 // Set ALIC mother visible
772 gMC->Gsatt("ALIC","SEEN",0);
773 // Set ALIC ITS visible
15efbab5 774 gMC->Gsatt("ITSV","SEEN",1);
5a30b198 775 // Set ALIC Telescopes visible
15efbab5 776 gMC->Gsatt("ITEL","SEEN",1);
777 gMC->Gsatt("ITEL","colo",2);
5a30b198 778 // Set ALIC detetcor visible
15efbab5 779 gMC->Gsatt("IDET","SEEN",1);
780 gMC->Gsatt("IDET","colo",4);
781 // Set ALIC Scintillator visible
782 gMC->Gsatt("ISNT","SEEN",1);
783 gMC->Gsatt("ISNT","colo",3);
5a30b198 784 // Set Detector mother visible and drawn
15efbab5 785// gMC->Gsatt("ITS0","SEEN",1);
5a30b198 786 // Set minibus mother visible and drawn
15efbab5 787// gMC->Gsatt("IMB0","SEEN",1);
788
789 // Draw
790 gMC->Gdraw("alic", 60, 30, 180, 10,10, .12, .12);
5a30b198 791}
792//______________________________________________________________________
793void AliITSvSDD03::StepManager(){
794 ////////////////////////////////////////////////////////////////////////
795 // Called for every step in the ITS SDD test beam, then calles the
796 // AliITShit class creator with the information to be recoreded about
797 // that hit.
798 // The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
799 // printing of information to a file which can be used to create a .det
800 // file read in by the routine CreateGeometry(). If set to 0 or any other
801 // value except 1, the default behavior, then no such file is created nor
802 // it the extra variables and the like used in the printing allocated.
803 // Inputs:
804 // none.
805 // Outputs:
806 // none.
807 // Return:
808 // none.
809 ////////////////////////////////////////////////////////////////////////
012f0f4c 810 if(!(this->IsActive())) return;
8119ddd8 811 if(!(gMC->TrackCharge())) return;
012f0f4c 812
813 Int_t cpy0,cpy1,ncpys=0,status,id,mod;
8119ddd8 814 TLorentzVector position, momentum;
012f0f4c 815 static AliITShit hit;// Saves on calls to construtors
816 //TClonesArray &lhits = *(GetDetTypeSim()->GetHits());
817 TClonesArray &lhits = *(Hits());
818 //
819 // Track status
820 // Track status
821 status = 0;
822 if(gMC->IsTrackInside()) status += 1;
823 if(gMC->IsTrackEntering()) status += 2;
824 if(gMC->IsTrackExiting()) status += 4;
825 if(gMC->IsTrackOut()) status += 8;
826 if(gMC->IsTrackDisappeared()) status += 16;
827 if(gMC->IsTrackStop()) status += 32;
828 if(gMC->IsTrackAlive()) status += 64;
5a30b198 829 //
8119ddd8 830 // Fill hit structure.
831 gMC->TrackPosition(position);
832 gMC->TrackMomentum(momentum);
012f0f4c 833 id = gMC->CurrentVolID(cpy0);
834 gMC->CurrentVolOffID(3,cpy1);
835 if(id==fIdSens[0])ncpys=10;
836 if(id==fIdSens[1])ncpys=2;
837 fIgm.DecodeDetector(mod,ncpys,cpy0,cpy1,1);
8119ddd8 838 //
012f0f4c 839 // Fill hit structure.
5a30b198 840 //
012f0f4c 841 hit.SetModule(mod);
842 hit.SetTrack(gAlice->GetMCApp()->GetCurrentTrackNumber());
843 gMC->TrackPosition(position);
844 gMC->TrackMomentum(momentum);
845 hit.SetPosition(position);
846 hit.SetTime(gMC->TrackTime());
847 hit.SetMomentum(momentum);
848 hit.SetStatus(status);
849 hit.SetEdep(gMC->Edep());
850 hit.SetShunt(GetIshunt());
5a30b198 851 if(gMC->IsTrackEntering()){
012f0f4c 852 hit.SetStartPosition(position);
853 hit.SetStartTime(gMC->TrackTime());
854 hit.SetStartStatus(status);
855 return; // don't save entering hit.
856 } // end if IsEntering
857 // Fill hit structure with this new hit.
858 //Info("StepManager","Calling Copy Constructor");
859 new(lhits[fNhits++]) AliITShit(hit); // Use Copy Construtor.
860 // Save old position... for next hit.
861 hit.SetStartPosition(position);
862 hit.SetStartTime(gMC->TrackTime());
863 hit.SetStartStatus(status);
5a30b198 864 return;
865}
866