]> git.uio.no Git - u/mrichter/AliRoot.git/blame - ITS/AliITSvSDD03.cxx
Savannah bug 45751 fixed (A. Dainese)
[u/mrichter/AliRoot.git] / ITS / AliITSvSDD03.cxx
CommitLineData
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
012f0f4c 25#include <TGeoManager.h>
8119ddd8 26#include <TLorentzVector.h>
867f3305 27#include <TVirtualMC.h>
3be5c40b 28#include <TGeoMatrix.h>
5a30b198 29
867f3305 30#include "AliMC.h"
5a30b198 31#include "AliRun.h"
32#include "AliMagF.h"
5a30b198 33#include "AliTrackReference.h"
34#include "AliITShit.h"
5a30b198 35#include "AliITSgeom.h"
5a30b198 36#include "AliITSgeomSDD.h"
37#include "AliITSgeomSSD.h"
7d62fb64 38#include "AliITSDetTypeSim.h"
fcf95fc7 39#include "AliITSCalibrationSPD.h"
40#include "AliITSCalibrationSDD.h"
41#include "AliITSCalibrationSSD.h"
5a30b198 42#include "AliITSsegmentationSPD.h"
43#include "AliITSsegmentationSDD.h"
44#include "AliITSsegmentationSSD.h"
5bfe44ce 45#include "AliITSsimulationSPD.h"
5a30b198 46#include "AliITSsimulationSDD.h"
47#include "AliITSsimulationSSD.h"
5a30b198 48
012f0f4c 49#include "AliITSvSDD03.h"
7d62fb64 50
5a30b198 51ClassImp(AliITSvSDD03)
52
53//______________________________________________________________________
8119ddd8 54AliITSvSDD03::AliITSvSDD03() :
aacedc3e 55AliITS(),
012f0f4c 56fMajorVersion(IsVersion()),
aacedc3e 57fMinorVersion(2),
aacedc3e 58fIDMother(0),
012f0f4c 59fYear(2003),
60fTarg(kNoTarg),
61fTargThick(0.0),
62fIgm(kvSDD03){
5a30b198 63 ////////////////////////////////////////////////////////////////////////
64 // Standard default constructor for the ITS SDD test beam 2002 version 1.
65 // Inputs:
66 // none.
67 // Outputs:
68 // none.
69 // Return:
70 // A default created class.
71 ////////////////////////////////////////////////////////////////////////
5a30b198 72
73 fIdN = 0;
74 fIdName = 0;
75 fIdSens = 0;
5a30b198 76}
77//______________________________________________________________________
8119ddd8 78AliITSvSDD03::AliITSvSDD03(const char *title,Int_t year):
aacedc3e 79AliITS("ITS", title),
012f0f4c 80fMajorVersion(IsVersion()),
aacedc3e 81fMinorVersion(2),
aacedc3e 82fIDMother(0),
012f0f4c 83fYear(year),
84fTarg(kNoTarg),
85fTargThick(0.0),
86fIgm(kvSDD03){
5a30b198 87 ////////////////////////////////////////////////////////////////////////
88 // Standard constructor for the ITS SDD testbeam 2002 version 1.
89 // Inputs:
90 // const char *title title for this ITS geometry.
91 // Outputs:
92 // none.
93 // Return:
94 // A standard created class.
95 ////////////////////////////////////////////////////////////////////////
96 Int_t i;
97
8119ddd8 98 fIdN = 3;
5a30b198 99 fIdName = new TString[fIdN];
100 fIdName[0] = "IMBS";
101 fIdName[1] = "ITST";
8119ddd8 102 fIdName[2] = "ISNT";
5a30b198 103 fIdSens = new Int_t[fIdN];
104 for(i=0;i<fIdN;i++) fIdSens[i] = 0;
5a30b198 105
5a30b198 106}
107//______________________________________________________________________
5a30b198 108AliITSvSDD03::~AliITSvSDD03() {
109 ////////////////////////////////////////////////////////////////////////
110 // Standard destructor for the ITS SDD test beam 2002 version 1.
111 // Inputs:
112 // none.
113 // Outputs:
114 // none.
115 // Return:
116 // none.
117 ////////////////////////////////////////////////////////////////////////
118}
012f0f4c 119/*
5a30b198 120//______________________________________________________________________
8119ddd8 121Int_t AliITSvSDD03::DecodeDetector(Int_t id,Int_t cpy,Int_t &lay,
15efbab5 122 Int_t &det,Int_t &lad) const{
8119ddd8 123 // Given the Geant id and copy volume number, returns the layer, ladder,
124 // and detector number, allong with the module number of the detector
125 // involved. Returns -1 and lay=0, lad=0, and det=0 if not a sensitive
126 // volume.
127 // Inputs:
128 // Int_t id Geometry volume id number
129 // Int_t cpy Geometry copy number
130 // Outputs:
131 // Int_t lay ITS layer number
132 // Int_t lad ITS ladder number
133 // Int_t det ITS detector number
134 // Return:
135 // Int_t module number.
136 Int_t mod;
137
138 lay = 0; lad = 0; det = 0; mod = -1;
139 if(id==fIdSens[0]){ // Volume name is IMBS (ITEL)
140 lad = 1; det = 1;
141 lay = cpy;
15efbab5 142 if(cpy>4) lay+=2;
8119ddd8 143 mod = lay-1;
144 return mod;
145 }// end if
146 if(id==fIdSens[1]){ // Volume name is ITST (IDet)
15efbab5 147 lad = 1; det = 1;lay = cpy+4;
148 mod = lay-1;
8119ddd8 149 return mod;
150 }// end if
151 return mod;
152}
012f0f4c 153*/
8119ddd8 154//______________________________________________________________________
5a30b198 155void AliITSvSDD03::CreateGeometry(){
156 ////////////////////////////////////////////////////////////////////////
157 // This routine defines and Creates the geometry for version 1 of the ITS.
158 // ALIC ALICE Mother Volume
159 // |- ITSV ITS Mother Volume
012f0f4c 160 // |- IDET *2 Detector under Test (boxcontaining SDD)
5a30b198 161 // | |-IDAI Air inside box
162 // | |- ITS0 SDD Si Chip
163 // | |- ITST SDD Sensitivve Volume
164 // |- ITEL *10 SSD Telescope (plastic box containting SSD's)
165 // | |- ITAI Air inside box
166 // | |- IMB0 SDD Si Chip
167 // | |- IMBS SDD Sensitive volume
168 // |-ISNT*4 Sintilator triggers
012f0f4c 169 //
170 // ITEL ITEL ITEL ITEL IDET IDET ITEL ITEL ITEL ITEL ITEL ITEL
171 // Z-> -584 -574 -504 -494 000 +052 +601 +610 +684 +694 +877 +887
172 // | | | | | | | | | | | |
173 // cpn1 1 2 3 4 1 2 5 6 7 8 9 10
174 //
5a30b198 175 // Inputs:
176 // none.
177 // Outputs:
178 // none.
179 // Return:
180 // none.
181 ////////////////////////////////////////////////////////////////////////
182 Float_t data[49];
183 // Define media off-set
184 Int_t *idtmed = fIdtmed->GetArray()+1; // array of media indexes
185 Int_t idrotm[4]; // Array of rotation matrix indexes
186 //Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
187 //Float_t dchipMiniBus=750.0E-4,dchiptest=300.0E-4;
188 //Float_t yposition= 0.0;
15efbab5 189 const Float_t kmm=0.1,kcm=1.0,kmicm=kmm/1000.;
012f0f4c 190 // These constant character strings are set by cvs during commit
191 // do not change them unless you know what you are doing!
192 const Char_t *cvsDate="$Date$";
193 const Char_t *cvsRevision="$Revision$";
5a30b198 194 // Define Rotation-reflextion Matrixes needed
195 // 0 is the unit matrix
196 AliMatrix(idrotm[0], 90.0,0.0, 0.0,0.0, 90.0,270.0); // SDD and SSD X
15efbab5 197 AliMatrix(idrotm[1], 90.0,90.0, 0.0,180.0, 90.0,270.0); // SSD Y
198 AliMatrix(idrotm[2],90.0,90.0,90.0,180.0,0.0,0.0); //Rotate about Z 90 degree
012f0f4c 199 /*
15efbab5 200 data[0] = 150.0*kmm;
201 data[1] = 150.0*kmm;
202 data[2] = 1100.0*kmm;
5a30b198 203 gMC->Gsvolu("ITSV","BOX ",idtmed[0],data,3);
204 gMC->Gspos("ITSV",1,"ALIC",0.0,0.0,0.0,0,"ONLY");
012f0f4c 205 */
206 TGeoVolumeAssembly *itsV = gGeoManager->MakeVolumeAssembly("ITSV");
4952f440 207 const Int_t kLength=100;
208 Char_t vstrng[kLength];
209 if(fIgm.WriteVersionString(vstrng,kLength,(AliITSVersion_t)IsVersion(),
012f0f4c 210 fMinorVersion,cvsDate,cvsRevision))
211 itsV->SetTitle(vstrng);
212 else Error("CreateGeometry","Error writing/setting version string");
213 //printf("Title set to %s\n",vstrng);
214 TGeoVolume *alic = gGeoManager->GetVolume("ALIC");
215 if(alic==0) {
216 Error("CreateGeometry","alic=0");
217 return;
218 } // end if
219 alic->AddNode(itsV,1,0);
15efbab5 220
5a30b198 221 // Crossed sintilator triggers (2 in front 2 in back)
5a30b198 222 data[0] = 10.0*kcm;
223 data[1] = 2.0*kcm;
224 data[2] = 2.0*kmm;
8119ddd8 225 gMC->Gsvolu("ISNT","BOX ",idtmed[2],data,3);
15efbab5 226 gMC->Gspos("ISNT",1,"ITSV",0.0,0.0,-950.0*kmm,0,"ONLY");
227 gMC->Gspos("ISNT",2,"ITSV",0.0,0.0,-950.0*kmm-data[2],idrotm[2],"ONLY");
228 gMC->Gspos("ISNT",3,"ITSV",0.0,0.0,950.0*kmm+data[2],0,"ONLY");
229 gMC->Gspos("ISNT",4,"ITSV",0.0,0.0,950.0*kmm,idrotm[2],"ONLY");
230
231
232////Create Volumes
233
5a30b198 234 // SSD part of telescope (MiniBuS)
15efbab5 235 Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
5a30b198 236 data[0] = detMiniBusX = 10600.0*kmicm;
15efbab5 237 data[1] = detMiniBusY = 0.150*kmm;
5a30b198 238 data[2] = detMiniBusZ = 1.1*kcm;
239 gMC->Gsvolu("IMB0", "BOX ", idtmed[1], data, 3); // contains detector
240 data[0] = 0.5*384*50*kmicm;
15efbab5 241 data[1] = 0.1499*kmm;
5a30b198 242 data[2] = 1.0*kcm;
15efbab5 243 gMC->Gsvolu("IMBS","BOX ",idtmed[1],data,3); // sensitive detector volume
5a30b198 244 gMC->Gspos("IMBS",1,"IMB0",0.0,0.0,0.0,0,"ONLY"); // place IMBS inside
245 // Box containing SSD's
15efbab5 246 data[0] = 11600.0*kmicm;
247 data[1] = 0.450*kcm;
248 data[2] = 1.16*kcm;
5a30b198 249 gMC->Gsvolu("ITAI","BOX ",idtmed[0],data,3);
250 // Plastic box size = insize + thickness.
251 data[0] = data[0] + 2.0*kmm;
252 data[1] = data[1] + 200.0*kmicm;
253 data[2] = data[2] + 2.0*kmm;
8119ddd8 254 gMC->Gsvolu("ITEL","BOX ",idtmed[3],data,3);
5a30b198 255 gMC->Gspos("ITAI",1,"ITEL",0.0,0.0,0.0,0,"ONLY");
8119ddd8 256 gMC->Gspos("IMB0",1,"ITAI",0.0,0.0,0.0,0,"ONLY");
5a30b198 257
258 // SDD under test
259 Float_t sddX,sddY,sddZ;
260 data[0] = sddX = 3.62500*kcm;
15efbab5 261 data[1] = sddY = 0.1500*kmm;
5a30b198 262 data[2] = sddZ = 4.37940*kcm;
263 gMC->Gsvolu("ITS0", "BOX ", idtmed[1], data, 3); // contains detector
264 data[0] = 3.50860*kcm;
15efbab5 265 data[1] = 0.1499*kmm;
5a30b198 266 data[2] = 3.76320*kcm;
267 gMC->Gsvolu("ITST","BOX ",idtmed[1],data,3);// sensitive detecor volume
268 gMC->Gspos("ITST",1,"ITS0",0.0,0.0,0.0,0,"ONLY"); // place ITST inside
269 // Box containing SDD under test
270 data[0] = 4.0*kcm;
271 data[1] = 0.5*kcm;
272 data[2] = 5.0*kcm;
273 gMC->Gsvolu("IDAI","BOX ",idtmed[0],data,3);
274 data[0] = data[0] + 2.0*kmm;
275 data[1] = data[1] + 200.0*kmicm;
8119ddd8 276 data[2] = data[2] + 2.0*kmm;
277 gMC->Gsvolu("IDET","BOX ",idtmed[3],data,3);
5a30b198 278 gMC->Gspos("IDAI",1,"IDET",0.0,0.0,0.0,0,"ONLY");
279 gMC->Gspos("ITS0",1,"IDAI",0.0,0.0,0.0,0,"ONLY");
280
15efbab5 281
282//// Position detectors, Beam Axis Z, X to the right, Y up to the sky.
283 // Upsteram planes of the telescope
5a30b198 284 Float_t p00X,p00Y,p00Z,p01X,p01Y,p01Z,p10X,p10Y,p10Z,p11X,p11Y,p11Z;
285 p00X = 0.0*kcm;
286 p00Y = 0.0*kcm;
15efbab5 287 p00Z = -584*kmm;
5a30b198 288 gMC->Gspos("ITEL",1,"ITSV",p00X,p00Y,p00Z,idrotm[0],"ONLY");//SSD X
289 p01X = 0.0*kcm;
290 p01Y = 0.0*kcm;
15efbab5 291 p01Z = -574*kmm;
5a30b198 292 gMC->Gspos("ITEL",2,"ITSV",p01X,p01Y,p01Z,idrotm[1],"ONLY");//SSD Y
293 p01X = 0.0*kcm;
294 p01Y = 0.0*kcm;
15efbab5 295 p01Z = -504*kmm;
5a30b198 296 gMC->Gspos("ITEL",3,"ITSV",p01X,p01Y,p01Z,idrotm[0],"ONLY");//SSD X
297 p01X = 0.0*kcm;
298 p01Y = 0.0*kcm;
15efbab5 299 p01Z = -494*kmm;
5a30b198 300 gMC->Gspos("ITEL",4,"ITSV",p01X,p01Y,p01Z,idrotm[1],"ONLY");//SSD Y
15efbab5 301
302 // Downstream planes of the telescope
5a30b198 303 p10X = 0.0*kcm;
304 p10Y = 0.0*kcm;
15efbab5 305 p10Z = +601.0*kmm;
5a30b198 306 gMC->Gspos("ITEL",5,"ITSV",p10X,p10Y,p10Z,idrotm[0],"ONLY");//SSD X
307 p11X = 0.0*kcm;
308 p11Y = 0.0*kcm;
15efbab5 309 p11Z = +610.0*kmm; //611.0
5a30b198 310 gMC->Gspos("ITEL",6,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
311 p11X = 0.0*kcm;
312 p11Y = 0.0*kcm;
15efbab5 313 p11Z = +684.0*kmm;
5a30b198 314 gMC->Gspos("ITEL",7,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");//SSD X
315 p11X = 0.0*kcm;
316 p11Y = 0.0*kcm;
15efbab5 317 p11Z = +694.0*kmm;
5a30b198 318 gMC->Gspos("ITEL",8,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
319 p11X = 0.0*kcm;
320 p11Y = 0.0*kcm;
15efbab5 321 p11Z = +877.0*kmm;
5a30b198 322 gMC->Gspos("ITEL",9,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");//SSD X
323 p11X = 0.0*kcm;
324 p11Y = 0.0*kcm;
15efbab5 325 p11Z = +887.0*kmm;
5a30b198 326 gMC->Gspos("ITEL",10,"ITSV",p11X,p11Y,p11Z,idrotm[1],"ONLY");//SSD Y
15efbab5 327
328 // SDDs
329 Float_t pdet1X,pdet1Y,pdet1Z;
330 Float_t pdet2X,pdet2Y,pdet2Z;
331 pdet1X = 0.0*kcm;
332 pdet1Y = 0.0*kcm;
333 pdet1Z = 0.0*kcm;
334 gMC->Gspos("IDET",1,"ITSV",pdet1X,pdet1Y,pdet1Z,idrotm[0],"ONLY");// Detector1
335 pdet2X = 0.0*kcm;
336 pdet2Y = 0.0*kcm;
337 pdet2Z = 52*kmm; //52
338 gMC->Gspos("IDET",2,"ITSV",pdet2X,pdet2Y,pdet2Z,idrotm[0],"ONLY");// Detector2
339
340// Target definition and placement
341 if(fTarg){
342 data[0] = 30*kmm;
343 data[1] = fTargThick*kmm; // Target thickness
344 data[2] = 30*kmm;
345 gMC->Gsvolu("ITGT","BOX ",idtmed[fTarg],data,3);
346
347 Float_t a,z,dens,radl,absl;
348 Float_t* ubuf=0; Int_t nbuf;
a6e0ebfe 349 char* ssss=0;
15efbab5 350 gMC->Gfmate(idtmed[fTarg],ssss,a,z,dens,radl,absl,ubuf,nbuf);
351
352 Info("CreateGeometry","Target A=%f, Z=%f, dens=%f",a,z,dens);
353 Info("Creategeometry","Target thickness=%f mm",fTargThick);
354
355 Float_t ptgtX,ptgtY,ptgtZ;
356 ptgtX = 0.0*kcm;
357 ptgtY = 0.0*kcm;
358 ptgtZ = -50*kmm;
359 gMC->Gspos("ITGT",1,"ITSV",ptgtX,ptgtY,ptgtZ,idrotm[0],"ONLY");// Target
360 }else{
361 Info("CreateGeometry","No target defined");
362 }
5a30b198 363}
364//______________________________________________________________________
365void AliITSvSDD03::CreateMaterials(){
366 ////////////////////////////////////////////////////////////////////////
367 //
368 // Create ITS SDD test beam materials
369 // This function defines the default materials used in the Geant
370 // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
371 // AliITSvSDD03.
372 // In general it is automatically replaced by
023ae34b 373 // the CreateMaterials routine defined in AliITSv?. Should the function
5a30b198 374 // CreateMaterials not exist for the geometry version you are using this
375 // one is used. See the definition found in AliITSv5 or the other routine
376 // for a complete definition.
377 //
378 // Inputs:
379 // none.
380 // Outputs:
381 // none.
382 // Return:
383 // none.
384 /////////////////////////////////////////////////////////////////////////
385 Float_t tmaxfdSi = 0.1; // Degree
15efbab5 386 Float_t stemaxSi = 0.0075; // cm //0.0075
5a30b198 387 Float_t deemaxSi = 0.1; // Fraction of particle's energy 0<deemax<=1
388 Float_t epsilSi = 1.0E-4;//
389 Float_t stminSi = 0.0; // cm "Default value used"
390
391 Float_t tmaxfdAir = 0.1; // Degree
15efbab5 392 Float_t stemaxAir = .10000E+01; // 1 cm //cm
5a30b198 393 Float_t deemaxAir = 0.1; // Fraction of particle's energy 0<deemax<=1
394 Float_t epsilAir = 1.0E-4;//
395 Float_t stminAir = 0.0; // cm "Default value used"
396 Int_t ifield = gAlice->Field()->Integ();
397 Float_t fieldm = gAlice->Field()->Max();
398 //
5a30b198 399
15efbab5 400 // AIR
401 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
402 Float_t zAir[4]={6.,7.,8.,18.};
403 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
404 Float_t dAir = 1.20479E-3;
405 // Lucite/Plexiglass
406 Float_t aLuc[3] = {1.,12.,16.};
407 Float_t zLuc[3] = {1.,6.,8.};
408 Float_t wLuc[3] = {8.,5.,2.};
409 Float_t dLuc = 1.19;
410 // stainless steel
411 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
412 Float_t zsteel[4] = { 26.,24.,28.,14. };
413 Float_t wsteel[4] = { .715,.18,.1,.005 };
414 Float_t dsteel = 7.88;
415
416 AliMixture(1, "AIR$",aAir,zAir,dAir,4,wAir);
417 AliMaterial(2,"SI$",28.086,14.0,2.3300,9.3600,999.00);
418 AliMixture(3,"Sintilator$",aLuc,zLuc,dLuc,-3,wLuc);
419 AliMixture(4,"PlasticBox$",aLuc,zLuc,dLuc,-3,wLuc);
420 AliMaterial(5, "IRON$", 55.85, 26., 7.87, 1.76, 999.00);
421 AliMaterial(6, "LEAD$", 207.19, 82., 11.35, .56, 999.00);
422 AliMixture(7, "STAINLESS STEEL$", asteel, zsteel,dsteel, 4, wsteel);
423 AliMaterial(9, "C$", 12.011, 6., 2.265, 18.8, 999.00);
424 AliMaterial(10, "Al$", 26.98, 13., 2.70, 8.9, 999.00);
425 AliMaterial(11, "Be$", 9.012, 4., 1.848, 35.3, 999.00);
426 AliMaterial(12, "Ti$", 47.88, 22., 4.54, 3.56, 999.00);
427 AliMaterial(13, "Sn$", 118.69, 50., 7.31, 1.21, 999.00);
428 AliMaterial(14, "Cu$", 63.55, 29., 8.96, 1.43, 999.00);
429 AliMaterial(15, "Ge$", 72.59, 32., 5.323, 2.30, 999.00);
430 AliMaterial(20, "W$", 183.85, 74., 19.3, 0.35, 999.00);
431
5a30b198 432 AliMedium(1,"AIR$",1,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,
433 epsilAir,stminAir);
5a30b198 434 AliMedium(2,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
435 epsilSi,stminSi);
15efbab5 436 AliMedium(3,"Scintillator$",3,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
437 epsilSi,stminSi);
5a30b198 438 AliMedium(4,"PlasticBox$",4,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
439 epsilSi,stminSi);
15efbab5 440 AliMedium(5,"IRON$",5,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
441 epsilSi,stminSi);
442 AliMedium(6,"LEAD$",6,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
443 epsilSi,stminSi);
444 AliMedium(7,"StainlessSteel$",7,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
445 epsilSi,stminSi);
446
447 AliMedium(9,"C$",9,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
448 AliMedium(10,"Al$",10,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
449 AliMedium(11,"Be$",11,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
450 AliMedium(12,"Ti$",12,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
451 AliMedium(13,"Sn$",13,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
452 AliMedium(14,"Cu$",14,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
453 AliMedium(15,"Ge$",15,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
454 AliMedium(20,"W$",20,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
455 //dummy materials to avoid warning during simulation (galice.cuts)
456
457 AliMedium(21,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
458 epsilSi,stminSi);
459 AliMedium(25,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
460 epsilSi,stminSi);
461 AliMedium(26,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
462 epsilSi,stminSi);
463 AliMedium(27,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
464 epsilSi,stminSi);
465 AliMedium(51,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
466 epsilSi,stminSi);
467 AliMedium(52,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
468 epsilSi,stminSi);
469 AliMedium(53,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
470 epsilSi,stminSi);
471 AliMedium(54,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
472 epsilSi,stminSi);
473 AliMedium(55,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
474 epsilSi,stminSi);
475 AliMedium(56,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
476 epsilSi,stminSi);
477 AliMedium(61,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
478 epsilSi,stminSi);
479 AliMedium(62,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
480 epsilSi,stminSi);
481 AliMedium(63,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
482 epsilSi,stminSi);
483 AliMedium(64,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
484 epsilSi,stminSi);
485 AliMedium(65,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
486 epsilSi,stminSi);
487 AliMedium(68,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
488 epsilSi,stminSi);
489 AliMedium(69,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
490 epsilSi,stminSi);
491 AliMedium(70,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
492 epsilSi,stminSi);
493 AliMedium(71,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
494 epsilSi,stminSi);
495 AliMedium(72,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
496 epsilSi,stminSi);
497 AliMedium(73,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
498 epsilSi,stminSi);
499 AliMedium(74,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
500 epsilSi,stminSi);
501 AliMedium(75,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
502 epsilSi,stminSi);
503 AliMedium(76,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
504 epsilSi,stminSi);
505 AliMedium(77,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
506 epsilSi,stminSi);
507 AliMedium(78,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
508 epsilSi,stminSi);
509 AliMedium(79,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
510 epsilSi,stminSi);
511 AliMedium(80,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
512 epsilSi,stminSi);
513 AliMedium(81,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
514 epsilSi,stminSi);
515 AliMedium(82,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
516 epsilSi,stminSi);
517 AliMedium(83,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
518 epsilSi,stminSi);
519 AliMedium(84,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
520 epsilSi,stminSi);
521 AliMedium(85,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
522 epsilSi,stminSi);
523 AliMedium(90,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
524 epsilSi,stminSi);
525 AliMedium(91,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
526 epsilSi,stminSi);
527 AliMedium(92,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
528 epsilSi,stminSi);
529 AliMedium(93,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
530 epsilSi,stminSi);
531 AliMedium(94,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
532 epsilSi,stminSi);
533 AliMedium(95,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
534 epsilSi,stminSi);
535 AliMedium(96,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
536 epsilSi,stminSi);
537
012f0f4c 538}/*
5a30b198 539//______________________________________________________________________
540void AliITSvSDD03::InitAliITSgeom(){
541 // Based on the geometry tree defined in Geant 3.21, this
542 // routine initilizes the Class AliITSgeom from the Geant 3.21 ITS geometry
543 // sturture.
544 // Inputs:
545 // none.
546 // Outputs:
547 // none.
548 // Return:
549 // none.
3be5c40b 550 const Int_t knlayers=12;
551 // const Int_t kndeep=6;
552 const Int_t kltypess=2;
553 const AliITSDetector kidet[knlayers]={kSSD,kSDD};
554 const TString knames[kltypess]={
555 "/ALIC_1/ITSV_1/ITEL_%d/ITAI_1/IMB0_1/IMBS_1",
556 "/ALIC_1/ITSV_1/IDET_%d/IDAI_1/ITS0_1/ITST_1"};
557 const Int_t kitsGeomTreeCopys[kltypess]={10,2};
558 const Int_t knp=384;
012f0f4c 559 const Float_t kpitch=50.E-4;//cm
3be5c40b 560 Float_t box[3]={0.5*kpitch*(Float_t)knp,150.E-4,1.0},p[knp+1],n[knp+1];
561 Int_t nlad[knlayers]={knlayers*1};
562 Int_t ndet[knlayers]={knlayers*1};
563 Int_t mod=knlayers,lay=0,lad=0,det=0,i,j,cp0;
564 TString path,shapeName;
565 TGeoHMatrix matrix;
566 Double_t trans[3]={3*0.0},rot[10]={10*0.0};
567 TArrayD shapePar;
568 TArrayF shapeParF;
569 Bool_t isShapeDefined[kltypess]={kltypess*kFALSE};
570 AliITSgeom *geom = new AliITSgeom(0,knlayers,nlad,ndet,mod);
571 if(GetITSgeom()!=0) SetITSgeom(0x0);// delet existing if there.
572 SetITSgeom(geom);
74d31ce3 573
3be5c40b 574 p[0]=-box[0];
575 n[0]=box[0];
576 // Fill in anode and cathode strip locations (lower edge)
577 for(i=1;i<knp;i++){
578 p[i] =p[i-1]+kpitch;
579 n[i] =n[i-1]-kpitch;
580 } // end for i
581 p[knp]=box[0];
582 n[knp]=-box[0];
583 for(i=0;i<kltypess;i++)for(cp0=1;cp0<=kitsGeomTreeCopys[i];cp0++){
584 mod = DecodeDetector(fIdSens[i],cp0,lay,lad,det);
585 path.Form(knames[i].Data(),cp0);
586 gMC->GetTransformation(path.Data(),matrix);
587 gMC->GetShape(path.Data(),shapeName,shapePar);
588 shapeParF.Set(shapePar.GetSize());
589 for(j=0;j<shapePar.GetSize();j++)shapeParF[j]=shapePar[j];
590 geom->CreateMatrix(mod,lay,lad,det,kidet[i],trans,rot);
591 geom->SetTrans(mod,matrix.GetTranslation());
592 geom->SetRotMatrix(mod,matrix.GetRotationMatrix());
593 geom->GetGeomMatrix(mod)->SetPath(path.Data());
594 switch (kidet[i]){
595 case kSDD: if(!(GetITSgeom()->IsShapeDefined((Int_t)kSDD))){
596 geom->ReSetShape(kSDD,new AliITSgeomSDD256(shapeParF.GetSize(),
597 shapeParF.GetArray()));
598 isShapeDefined[i]=kTRUE;
599 } break;
600 case kSSD:if(!(GetITSgeom()->IsShapeDefined((Int_t)kSSD))){
601 geom->ReSetShape(kSSD,new AliITSgeomSSD(box,0.0,0.0,
602 knp+1,p,knp+1,n));
603 isShapeDefined[i]=kTRUE;
604 } break;
605 default:{} break;
606 } // end switch
607 } // end for i,cp0
5a30b198 608 return;
012f0f4c 609}*/
5a30b198 610//______________________________________________________________________
611void AliITSvSDD03::Init(){
612 ////////////////////////////////////////////////////////////////////////
613 // Initialise the ITS after it has been created.
614 // Inputs:
615 // none.
616 // Outputs:
617 // none.
618 // Return:
619 // none.
620 ////////////////////////////////////////////////////////////////////////
5a30b198 621
15efbab5 622
623 Info("Init","**********AliITSvSDD03 %d _Init *************",fMinorVersion);
aacedc3e 624
012f0f4c 625 AliDebug(1,Form("Init: Major version %d Minor version %d",fMajorVersion,
626 fMinorVersion));
627 //
628 UpdateInternalGeometry();
5a30b198 629 AliITS::Init();
012f0f4c 630 //
8119ddd8 631 fIDMother = gMC->VolId("ITSV"); // ITS Mother Volume ID.
aacedc3e 632
012f0f4c 633}/*
5a30b198 634//______________________________________________________________________
635void AliITSvSDD03::SetDefaults(){
636 // sets the default segmentation, response, digit and raw cluster classes
637 // Inputs:
638 // none.
639 // Outputs:
640 // none.
641 // Return:
642 // none.
15efbab5 643
023ae34b 644 // const Float_t kconv = 1.0e+04; // convert cm to microns
5a30b198 645
7d62fb64 646 if(!fDetTypeSim) fDetTypeSim = new AliITSDetTypeSim();
647 fDetTypeSim->SetITSgeom(GetITSgeom());
fcf95fc7 648 fDetTypeSim->ResetCalibrationArray();
7d62fb64 649 fDetTypeSim->ResetSegmentation();
650
5a30b198 651 AliITSgeomSDD *s1;
652 AliITSgeomSSD *s2;
fcf95fc7 653 SetCalibrationModel(GetITSgeom()->GetStartSPD(),new AliITSCalibrationSPD());
023ae34b 654 SetSegmentationModel(kSPD,(AliITSsegmentationSPD*)
655 (GetITSgeom()->GetShape(kSPD)));
7d62fb64 656 fDetTypeSim->SetDigitClassName(kSPD,"AliITSdigitSPD");
5a30b198 657
658 // SDD
7d62fb64 659 s1 = (AliITSgeomSDD*) GetITSgeom()->GetShape(kSDD);// Get shape info. Do it this way for now.
fcf95fc7 660 AliITSCalibrationSDD *resp1=new AliITSCalibrationSDD("simulated");
661 SetCalibrationModel(GetITSgeom()->GetStartSDD(),resp1);
7d62fb64 662
023ae34b 663 AliITSsegmentationSDD *seg1 = (AliITSsegmentationSDD*)
664 (GetITSgeom()->GetShape(kSDD));
253e68a0 665 seg1->SetDriftSpeed(AliITSDriftSpeedSDD::DefaultDriftSpeed());
5a30b198 666 seg1->SetNPads(256,256);// Use AliITSgeomSDD for now
667 SetSegmentationModel(kSDD,seg1);
fcf95fc7 668 const char *kData1=(fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSDD()))->DataType();
5a30b198 669
670 // SSD Layer 5
7d62fb64 671
672 s2 = (AliITSgeomSSD*) GetITSgeom()->GetShape(kSSD);// Get shape info. Do it this way for now.
673
fcf95fc7 674 AliITSCalibration *resp2= new AliITSCalibrationSSD("simulated");
675 SetCalibrationModel(GetITSgeom()->GetStartSSD(),resp2);
7d62fb64 676
023ae34b 677 AliITSsegmentationSSD *seg2 = (AliITSsegmentationSSD*)
678 (GetITSgeom()->GetShape(kSSD));
15efbab5 679 seg2->SetPadSize(50.,0.); // strip x pitch in microns
680 seg2->SetNPads(384,0); // number of strips on each side.
681 seg2->SetLayer(5);
682 seg2->SetAngles(0.,0.); // strip angles rad P and N side.
683 seg2->SetAnglesLay5(0.,0.); // strip angles rad P and N side.
684 seg2->SetAnglesLay6(0.,0.); // strip angles rad P and N side.
685
5a30b198 686 SetSegmentationModel(kSSD,seg2);
fcf95fc7 687 const char *kData2=(fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSSD()))->DataType();
7d62fb64 688 if(strstr(kData2,"real") ) fDetTypeSim->SetDigitClassName(kSSD,"AliITSdigit");
689 else fDetTypeSim->SetDigitClassName(kSSD,"AliITSdigitSSD");
5a30b198 690
7d62fb64 691 if(fgkNTYPES>3){
5a30b198 692 Warning("SetDefaults",
693 "Only the four basic detector types are initialised!");
694 }// end if
695 return;
696}
697//______________________________________________________________________
6fc43a8e 698void AliITSvSDD03::SetDefaultSimulation(){
699 // sets the default simulation.
700 // Inputs:
701 // none.
702 // Outputs:
703 // none.
704 // Return:
705 // none.
706
7d62fb64 707 if(!fDetTypeSim) fDetTypeSim = new AliITSDetTypeSim();
708 AliITSsimulation *sim;
8ba39da9 709 //AliITSsegmentation *seg;
fcf95fc7 710 //AliITSCalibration *res;
7d62fb64 711 //SPD
712 if(fDetTypeSim){
713 sim = fDetTypeSim->GetSimulationModel(kSPD);
714 if (!sim) {
8ba39da9 715 //seg =(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSPD);
716 //if(seg==0) seg = new AliITSsegmentationSPD();
fcf95fc7 717 //res = (AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSPD());
718 //if(res==0) res = new AliITSCalibrationSPD();
5bfe44ce 719 sim = new AliITSsimulationSPD(fDetTypeSim);
7d62fb64 720 SetSimulationModel(kSPD,sim);
721 }else{ // simulation exists, make sure it is set up properly.
8ba39da9 722 sim->SetSegmentationModel(kSPD,(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSPD));
fcf95fc7 723 sim->SetCalibrationModel(GetITSgeom()->GetStartSPD(),(AliITSCalibration*)fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSPD()));
7d62fb64 724 sim->Init();
725 } // end if
726 } // end if iDetType
727 //SDD
728 if(fDetTypeSim){
729 sim = fDetTypeSim->GetSimulationModel(kSDD);
730 if (!sim) {
8ba39da9 731 // seg = (AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSDD);
fcf95fc7 732 //res = (AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSDD());
8ba39da9 733 sim = new AliITSsimulationSDD(fDetTypeSim);
7d62fb64 734 SetSimulationModel(kSDD,sim);
735 }else{ // simulation exists, make sure it is set up properly.
8ba39da9 736 sim->SetSegmentationModel(kSDD,(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSDD));
fcf95fc7 737 sim->SetCalibrationModel(GetITSgeom()->GetStartSDD(),(AliITSCalibration*)fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSDD()));
7d62fb64 738
739 sim->Init();
740 } //end if
741 } // end if iDetType
742 //SSD
743 if(fDetTypeSim){
744 sim = fDetTypeSim->GetSimulationModel(kSSD);
745 if (!sim) {
8ba39da9 746 // seg = (AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSSD);
fcf95fc7 747 // res = (AliITSCalibration*)fDetTypeSim->GetResponseModel(GetITSgeom()->GetStartSSD());
8ba39da9 748 sim = new AliITSsimulationSSD(fDetTypeSim);
7d62fb64 749 SetSimulationModel(kSSD,sim);
750 }else{ // simulation exists, make sure it is set up properly.
8ba39da9 751 sim->SetSegmentationModel(kSSD,(AliITSsegmentation*)fDetTypeSim->GetSegmentationModel(kSSD));
fcf95fc7 752 sim->SetCalibrationModel(GetITSgeom()->GetStartSSD(),(AliITSCalibration*)fDetTypeSim->GetCalibrationModel(GetITSgeom()->GetStartSSD()));
7d62fb64 753 sim->Init();
754 } // end if
755 } // end if iDetType
012f0f4c 756 }*/
6fc43a8e 757//______________________________________________________________________
8119ddd8 758void AliITSvSDD03::DrawModule() const{
5a30b198 759 ////////////////////////////////////////////////////////////////////////
760 // Draw a shaded view of the ITS SDD test beam version 1.
761 // Inputs:
762 // none.
763 // Outputs:
764 // none.
765 // Return:
766 // none.
767 ////////////////////////////////////////////////////////////////////////
768 // Set everything unseen
769 gMC->Gsatt("*", "seen", -1);
770 // Set ALIC mother visible
771 gMC->Gsatt("ALIC","SEEN",0);
772 // Set ALIC ITS visible
15efbab5 773 gMC->Gsatt("ITSV","SEEN",1);
5a30b198 774 // Set ALIC Telescopes visible
15efbab5 775 gMC->Gsatt("ITEL","SEEN",1);
776 gMC->Gsatt("ITEL","colo",2);
5a30b198 777 // Set ALIC detetcor visible
15efbab5 778 gMC->Gsatt("IDET","SEEN",1);
779 gMC->Gsatt("IDET","colo",4);
780 // Set ALIC Scintillator visible
781 gMC->Gsatt("ISNT","SEEN",1);
782 gMC->Gsatt("ISNT","colo",3);
5a30b198 783 // Set Detector mother visible and drawn
15efbab5 784// gMC->Gsatt("ITS0","SEEN",1);
5a30b198 785 // Set minibus mother visible and drawn
15efbab5 786// gMC->Gsatt("IMB0","SEEN",1);
787
788 // Draw
789 gMC->Gdraw("alic", 60, 30, 180, 10,10, .12, .12);
5a30b198 790}
791//______________________________________________________________________
792void AliITSvSDD03::StepManager(){
793 ////////////////////////////////////////////////////////////////////////
794 // Called for every step in the ITS SDD test beam, then calles the
795 // AliITShit class creator with the information to be recoreded about
796 // that hit.
797 // The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
798 // printing of information to a file which can be used to create a .det
799 // file read in by the routine CreateGeometry(). If set to 0 or any other
800 // value except 1, the default behavior, then no such file is created nor
801 // it the extra variables and the like used in the printing allocated.
802 // Inputs:
803 // none.
804 // Outputs:
805 // none.
806 // Return:
807 // none.
808 ////////////////////////////////////////////////////////////////////////
012f0f4c 809 if(!(this->IsActive())) return;
8119ddd8 810 if(!(gMC->TrackCharge())) return;
012f0f4c 811
812 Int_t cpy0,cpy1,ncpys=0,status,id,mod;
8119ddd8 813 TLorentzVector position, momentum;
012f0f4c 814 static AliITShit hit;// Saves on calls to construtors
815 //TClonesArray &lhits = *(GetDetTypeSim()->GetHits());
816 TClonesArray &lhits = *(Hits());
817 //
818 // Track status
819 // Track status
820 status = 0;
821 if(gMC->IsTrackInside()) status += 1;
822 if(gMC->IsTrackEntering()) status += 2;
823 if(gMC->IsTrackExiting()) status += 4;
824 if(gMC->IsTrackOut()) status += 8;
825 if(gMC->IsTrackDisappeared()) status += 16;
826 if(gMC->IsTrackStop()) status += 32;
827 if(gMC->IsTrackAlive()) status += 64;
5a30b198 828 //
8119ddd8 829 // Fill hit structure.
830 gMC->TrackPosition(position);
831 gMC->TrackMomentum(momentum);
012f0f4c 832 id = gMC->CurrentVolID(cpy0);
833 gMC->CurrentVolOffID(3,cpy1);
834 if(id==fIdSens[0])ncpys=10;
835 if(id==fIdSens[1])ncpys=2;
836 fIgm.DecodeDetector(mod,ncpys,cpy0,cpy1,1);
8119ddd8 837 //
012f0f4c 838 // Fill hit structure.
5a30b198 839 //
012f0f4c 840 hit.SetModule(mod);
841 hit.SetTrack(gAlice->GetMCApp()->GetCurrentTrackNumber());
842 gMC->TrackPosition(position);
843 gMC->TrackMomentum(momentum);
844 hit.SetPosition(position);
845 hit.SetTime(gMC->TrackTime());
846 hit.SetMomentum(momentum);
847 hit.SetStatus(status);
848 hit.SetEdep(gMC->Edep());
849 hit.SetShunt(GetIshunt());
5a30b198 850 if(gMC->IsTrackEntering()){
012f0f4c 851 hit.SetStartPosition(position);
852 hit.SetStartTime(gMC->TrackTime());
853 hit.SetStartStatus(status);
854 return; // don't save entering hit.
855 } // end if IsEntering
856 // Fill hit structure with this new hit.
857 //Info("StepManager","Calling Copy Constructor");
858 new(lhits[fNhits++]) AliITShit(hit); // Use Copy Construtor.
859 // Save old position... for next hit.
860 hit.SetStartPosition(position);
861 hit.SetStartTime(gMC->TrackTime());
862 hit.SetStartStatus(status);
5a30b198 863 return;
864}
865