1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 #include <Riostream.h>
22 #include <TGeometry.h>
27 #include <TFile.h> // only required for Tracking function?
29 #include <TObjArray.h>
30 #include <TLorentzVector.h>
31 #include <TObjString.h>
32 #include <TClonesArray.h>
39 #include "AliITSGeant3Geometry.h"
40 #include "AliTrackReference.h"
41 #include "AliITShit.h"
43 #include "AliITSvSPD02.h"
44 #include "AliITSgeom.h"
45 #include "AliITSgeomSPD.h"
46 #include "AliITSgeomSDD.h"
47 #include "AliITSgeomSSD.h"
48 #include "AliITSDetType.h"
49 #include "AliITSresponseSPDdubna.h"
50 #include "AliITSresponseSDD.h"
51 #include "AliITSresponseSSD.h"
52 #include "AliITSsegmentationSPD.h"
53 #include "AliITSsegmentationSDD.h"
54 #include "AliITSsegmentationSSD.h"
55 #include "AliITSsimulationSPDdubna.h"
56 #include "AliITSsimulationSDD.h"
57 #include "AliITSsimulationSSD.h"
58 #include "AliITSClusterFinderSPD.h"
59 #include "AliITSClusterFinderSDD.h"
60 #include "AliITSClusterFinderSSD.h"
64 ClassImp(AliITSvSPD02)
66 //______________________________________________________________________
67 AliITSvSPD02::AliITSvSPD02() {
68 ////////////////////////////////////////////////////////////////////////
69 // Standard default constructor for the ITS SPD test beam 2002 version 1.
75 // A default created class.
76 ////////////////////////////////////////////////////////////////////////
82 fEuclidOut = kFALSE; // Don't write Euclide file
83 fGeomDetOut = kFALSE; // Don't write .det file
84 fGeomDetIn = kFALSE; // Don't Read .det file
85 fMajorVersion = IsVersion();
87 for(i=0;i<60;i++) fRead[i] = '\0';
88 for(i=0;i<60;i++) fWrite[i] = '\0';
89 for(i=0;i<60;i++) fEuclidGeomDet[i] = '\0';
91 //______________________________________________________________________
92 AliITSvSPD02::AliITSvSPD02(const char *title) : AliITS("ITS", title){
93 ////////////////////////////////////////////////////////////////////////
94 // Standard constructor for the ITS SPD testbeam 2002 version 1.
96 // const char *title title for this ITS geometry.
100 // A standard created class.
101 ////////////////////////////////////////////////////////////////////////
105 fIdName = new TString[fIdN];
108 fIdSens = new Int_t[fIdN];
109 for(i=0;i<fIdN;i++) fIdSens[i] = 0;
110 fMajorVersion = IsVersion();
112 fEuclidOut = kFALSE; // Don't write Euclide file
113 fGeomDetOut = kFALSE; // Don't write .det file
114 fGeomDetIn = kFALSE; // Don't Read .det file
120 fEuclidGeometry="$ALICE_ROOT/ITS/ITSgeometry_vSPD022.euc";
121 strncpy(fEuclidGeomDet,"$ALICE_ROOT/ITS/ITSgeometry_vSPD022.det",60);
122 strncpy(fRead,fEuclidGeomDet,60);
123 strncpy(fWrite,fEuclidGeomDet,60);
125 //______________________________________________________________________
126 AliITSvSPD02::AliITSvSPD02(const AliITSvSPD02 &source) : AliITS(source){
127 ////////////////////////////////////////////////////////////////////////
128 // Copy Constructor for ITS SPD test beam 2002 version 1.
129 // This class is not to be copied. Function only dummy.
131 // const AliITSvSPD02 &source The class to be copied
135 // A warning message.
136 ////////////////////////////////////////////////////////////////////////
137 if(&source == this) return;
138 Warning("Copy Constructor","Not allowed to copy AliITSvSPD02");
141 //______________________________________________________________________
142 AliITSvSPD02& AliITSvSPD02::operator=(const AliITSvSPD02 &source){
143 ////////////////////////////////////////////////////////////////////////
144 // Assignment operator for the ITS SPD test beam 2002 version 1.
145 // This class is not to be copied. Function only dummy.
147 // const AliITSvSPD02 &source The class to be copied
152 ////////////////////////////////////////////////////////////////////////
153 if(&source == this) return *this;
154 Warning("= operator","Not allowed to copy AliITSvSPD02");
157 //______________________________________________________________________
158 AliITSvSPD02::~AliITSvSPD02() {
159 ////////////////////////////////////////////////////////////////////////
160 // Standard destructor for the ITS SPD test beam 2002 version 1.
167 ////////////////////////////////////////////////////////////////////////
169 //______________________________________________________________________
170 void AliITSvSPD02::BuildGeometry(){
171 ////////////////////////////////////////////////////////////////////////
172 // Geometry builder for the ITS SPD test beam 2002 version 1.
173 // ALIC ALICE Mother Volume
174 // |- ITSV ITS Mother Volume
175 // |- IDET Detector under Test
176 // | |- ITS0 SPD Si Chip
177 // | | |- ITST SPD Sensitivve Volume
178 // | |- IPC0 *5 Readout chip
179 // |- ITEL *4 SPD Telescope
180 // |- IMB0 SPD Si Chip
181 // | |- IMBS SPD Sensitive volume
182 // |- ICMB Chip MiniBus.
189 ////////////////////////////////////////////////////////////////////////
190 // Get the top alice volume.
191 TNode *ALIC = gAlice->GetGeometry()->GetNode("alice");
194 // Define ITS Mother Volume
196 Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
197 Float_t dchipMiniBus=750.0E-4,dchiptest=300.0E-4;
198 //Float_t yposition= 0.0;
199 TRotMatrix *r0 = new TRotMatrix("ITSidrotm0","ITSidrotm0",
200 90.0,0,0.0,0,90.0,270.0);
204 TBRIK *ITSVshape = new TBRIK("ITSVshape","ITS Logical Mother Volume","Air",
205 data[0],data[1],data[2]);
206 TNode *ITSV = new TNode("ITSV","ITS Mother Volume",ITSVshape,
208 ITSV->cd(); // set ourselve into ITSV subvolume of ALIC
210 // SPD part of telescope (MiniBuS)
212 data[1] = 0.5*ddettelescope;
214 TBRIK *IMB0shape = new TBRIK("IMB0shape","SPD wafer","Si",
215 data[0],data[1],data[2]);
216 Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
217 data[0] = detMiniBusX = 0.64;
218 data[1] = detMiniBusY = 0.5*ddettelescope;
219 data[2] = detMiniBusZ = 3.48;
220 TBRIK *IMBSshape = new TBRIK("IMBSshape","SPD Sensitive volume","Si",
221 data[0],data[1],data[2]);
222 Float_t chipMiniBusX,chipMiniBusY,chipMiniBusZ;
223 data[0] = chipMiniBusX = 0.793;
224 data[1] = chipMiniBusY = 0.5*dchipMiniBus;
225 data[2] = chipMiniBusZ = 0.68;
226 TBRIK *ICMBshape = new TBRIK("ICMBshape","chip Minibus","Si",
227 data[0],data[1],data[2]);
228 data[0] = TMath::Max(detMiniBusX,chipMiniBusX);
229 data[1] = detMiniBusY+chipMiniBusY;
230 data[2] = TMath::Max(detMiniBusZ,chipMiniBusZ);
231 TBRIK *ITELshape = new TBRIK("ITELshape","ITELshape","Air",
232 data[0],data[1],data[2]);
235 Float_t spdX,spdY,spdZ,spdchipX,spdchipY,spdchipZ;
239 TBRIK *ITS0shape = new TBRIK("ITS0shape","SPD wafer","Si",
240 data[0],data[1],data[2]); // contains detector
241 data[0] = spdX = 0.64;
242 data[1] = spdY = ddettest;
243 data[2] = spdZ = 3.48;
244 TBRIK *ITSTshape = new TBRIK("ITSTshape","SPD sensitive volume","Si",
245 data[0],data[1],data[2]);
246 // ITS0 with no translation and unit rotation matrix.
247 data[0] = spdchipX = 0.793;
248 data[1] = spdchipY = dchiptest;
249 data[2] = spdchipZ = 0.68;
250 TBRIK *IPC0shape = new TBRIK("IPC0shape","Readout Chips","Si",
251 data[0],data[1],data[2]); // chip under test
252 data[0] = TMath::Max(spdchipX,spdX);
253 data[1] = spdY+spdchipY;
254 data[2] = TMath::Max(spdchipZ,spdZ);
255 TBRIK *IDETshape = new TBRIK("IDETshape","Detector Under Test","Air",
256 data[0],data[1],data[2]);
257 // Place volumes in geometry
259 char name[20],title[50];
260 Double_t px=0.0,py=0.0,pz[4]={-38.0,0.0,0.0,0.0};
262 pz[2] = pz[1]+38.0+spdY+spdchipY+34.5;
264 TNode *ITEL[4],*ICMB[4],*IMB0[4],*IMBS[4];
265 TNode *IDET = new TNode("IDET","Detector Under Test",IDETshape,
266 0.0,0.0,pz[1]+38.0,r0,0);
268 TNode *ITS0 = new TNode("ITS0","SPD Chip",ITS0shape,
269 0.0,IDETshape->GetDy()-spdY,0.0,0,0);
271 for(i=0;i<5;i++) { //place readout chips on the back of SPD chip under test
272 sprintf(name,"IPC0%d",i);
273 sprintf(title,"Readout chip #%d",i+1);
275 IPC0[i] = new TNode(name,title,IPC0shape,
276 0.0,spdchipY-IDETshape->GetDy(),
277 j*2.0*spdchipZ+j*0.25*(spdZ-5.*spdchipZ),0,0);
280 TNode *ITST = new TNode("ITST","SPD sensitive volume",ITSTshape,
282 for(Int_t i=0;i<4;i++){
284 sprintf(name,"ITEL%d",i);
285 sprintf(title,"Test beam telescope element #%d",i+1);
286 ITEL[i] = new TNode(name,title,ITELshape,px,py,pz[i],r0,0);
288 ICMB[i] = new TNode("ICMB","Chip MiniBus",ICMBshape,
289 0.0,-ITELshape->GetDy()+detMiniBusY,0.0,0,0);
290 IMB0[i] = new TNode("IMB0","Chip MiniBus",IMB0shape,
291 0.0, ITELshape->GetDy()-detMiniBusY,0.0,0,0);
293 IMBS[i] = new TNode("IMBS","IMBS",IMBSshape,0.0,0.0,0.0,0,0);
294 // place IMBS inside IMB0 with no translation and unit rotation matrix.
297 ITST->SetLineColor(kYellow);
300 IMBS[i]->SetLineColor(kGreen);
301 fNodes->Add(IMBS[i]);
304 //______________________________________________________________________
305 void AliITSvSPD02::CreateGeometry(){
306 ////////////////////////////////////////////////////////////////////////
307 // This routine defines and Creates the geometry for version 1 of the ITS.
308 // ALIC ALICE Mother Volume
309 // |- ITSV ITS Mother Volume
310 // |- IDET Detector under Test
311 // | |- ITS0 SPD Si Chip
312 // | | |- ITST SPD Sensitivve Volume
313 // | |- IPC0 *5 Readout chip
314 // |- ITEL *4 SPD Telescope
315 // |- IMB0 SPD Si Chip
316 // | |- IMBS SPD Sensitive volume
317 // |- ICMB Chip MiniBus.
324 ////////////////////////////////////////////////////////////////////////
326 // Define media off-set
327 Int_t *idtmed = fIdtmed->GetArray()+1; // array of media indexes
328 Int_t idrotm[4]; // Array of rotation matrix indexes
329 Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
330 Float_t dchipMiniBus=750.0E-4,dchiptest=300.0E-4;
331 Float_t yposition= 0.0;
333 // Define Rotation-reflextion Matrixes needed
334 // 0 is the unit matrix
335 AliMatrix(idrotm[0], 90.0,0.0, 0.0,0.0, 90.0,270.0);
339 gMC->Gsvolu("ITSV","BOX",idtmed[0],data,3);
340 gMC->Gspos("ITSV",1,"ALIC",0.0,0.0,0.0,0,"ONLY");
342 //cout << "idtmed[0]=" << idtmed[0]<<endl;
343 //cout << "idtmed[1]=" << idtmed[1]<<endl;
344 Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
345 // SPD part of telescope (MiniBuS)
346 data[0] = detMiniBusX = 0.705;
347 data[1] = detMiniBusY = 0.5*ddettelescope;
348 data[2] = detMiniBusZ = 3.536;
349 gMC->Gsvolu("IMB0", "BOX ", idtmed[1], data, 3); // contains detector
351 data[1] = 0.5*ddettelescope;
353 gMC->Gsvolu("IMBS","BOX ",idtmed[1],data,3); // sensitive detecor volulme
354 gMC->Gspos("IMBS",1,"IMB0",0.0,0.0,0.0,0,"ONLY"); // place IMBS inside
355 // IMB0 with no translation and unit rotation matrix.
356 Float_t chipMiniBusX,chipMiniBusY,chipMiniBusZ;
357 data[0] = chipMiniBusX = 0.793;
358 data[1] = chipMiniBusY = 0.5*dchipMiniBus;
359 data[2] = chipMiniBusZ = 0.68;
360 gMC->Gsvolu("ICMB","BOX ",idtmed[1],data, 3); // chip Minibus
361 data[0] = TMath::Max(detMiniBusX,chipMiniBusX);
362 data[1] = detMiniBusY+chipMiniBusY;
363 data[2] = TMath::Max(detMiniBusZ,chipMiniBusZ);
364 gMC->Gsvolu("ITEL","BOX ",idtmed[0],data,3);
365 gMC->Gspos("IMB0",1,"ITEL",0.0,data[1]-detMiniBusY,0.0,0,"ONLY");
366 gMC->Gspos("ICMB",1,"ITEL",0.0,-data[1]+chipMiniBusY,0.0,0,"ONLY");
369 Float_t spdX,spdY,spdZ,spdchipX,spdchipY,spdchipZ;
370 data[0] = spdX = 0.705;
371 data[1] = spdY = 0.5*ddettest;
372 data[2] = spdZ = 3.536;
373 gMC->Gsvolu("ITS0", "BOX ", idtmed[1], data, 3); // contains detector
375 data[1] = 0.5*ddettest;
377 gMC->Gsvolu("ITST","BOX ",idtmed[1],data,3);// sensitive detecor volume
378 gMC->Gspos("ITST",1,"ITS0",0.0,0.0,0.0,0,"ONLY"); // place ITST inside
379 // ITS0 with no translation and unit rotation matrix.
380 data[0] = spdchipX = 0.793;
381 data[1] = spdchipY = 0.5*dchiptest;
382 data[2] = spdchipZ = 0.68;
383 gMC->Gsvolu("IPC0", "BOX ", idtmed[1],data,3); // chip under test
384 data[0] = TMath::Max(spdchipX,spdX);
385 data[1] = spdY+spdchipY;
386 data[2] = TMath::Max(spdchipZ,spdZ);
387 gMC->Gsvolu("IDET","BOX ",idtmed[0],data,3);
388 gMC->Gspos("ITS0",1,"IDET",0.0,data[1]-spdY,0.0,0,"ONLY");
389 for(Int_t i=-2;i<3;i++) gMC->Gspos("IPC0",i+3,"IDET",0.0,-data[1]+spdchipY,
390 i*2.*spdchipZ+i*0.25*(spdZ-5.*spdchipZ),0,"ONLY");
392 // Positions detectors, Beam Axis Z, X to the right, Y up to the sky.
393 Float_t p00X,p00Y,p00Z,p01X,p01Y,p01Z,p10X,p10Y,p10Z,p11X,p11Y,p11Z;
397 gMC->Gspos("ITEL",1,"ITSV",p00X,p00Y,p00Z,idrotm[0],"ONLY");
401 gMC->Gspos("ITEL",2,"ITSV",p01X,p01Y,p01Z,idrotm[0],"ONLY");
402 Float_t pdetX,pdetY,pdetZ;
404 pdetY = 0.0+yposition;
406 gMC->Gspos("IDET",1,"ITSV",pdetX,pdetY,pdetZ,idrotm[0],"ONLY");
410 gMC->Gspos("ITEL",3,"ITSV",p10X,p10Y,p10Z,idrotm[0],"ONLY");
414 gMC->Gspos("ITEL",4,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");
416 //______________________________________________________________________
417 void AliITSvSPD02::CreateMaterials(){
418 ////////////////////////////////////////////////////////////////////////
420 // Create ITS SPD test beam materials
421 // This function defines the default materials used in the Geant
422 // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
424 // In general it is automatically replaced by
425 // the CreatMaterials routine defined in AliITSv?. Should the function
426 // CreateMaterials not exist for the geometry version you are using this
427 // one is used. See the definition found in AliITSv5 or the other routine
428 // for a complete definition.
436 /////////////////////////////////////////////////////////////////////////
437 Float_t tmaxfdSi = 0.1; // Degree
438 Float_t stemaxSi = 0.0075; // cm
439 Float_t deemaxSi = 0.1; // Fraction of particle's energy 0<deemax<=1
440 Float_t epsilSi = 1.0E-4;//
441 Float_t stminSi = 0.0; // cm "Default value used"
443 Float_t tmaxfdAir = 0.1; // Degree
444 Float_t stemaxAir = .10000E+01; // cm
445 Float_t deemaxAir = 0.1; // Fraction of particle's energy 0<deemax<=1
446 Float_t epsilAir = 1.0E-4;//
447 Float_t stminAir = 0.0; // cm "Default value used"
448 Int_t ifield = gAlice->Field()->Integ();
449 Float_t fieldm = gAlice->Field()->Max();
451 AliMaterial(1,"AIR$",0.14610E+02,0.73000E+01,0.12050E-02,
452 0.30423E+05,0.99900E+03);
453 AliMedium(1,"AIR$",1,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,
456 AliMaterial(2,"SI$",0.28086E+02,0.14000E+02,0.23300E+01,
457 0.93600E+01,0.99900E+03);
458 AliMedium(2,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
461 //______________________________________________________________________
462 void AliITSvSPD02::InitAliITSgeom(){
463 // Based on the geometry tree defined in Geant 3.21, this
464 // routine initilizes the Class AliITSgeom from the Geant 3.21 ITS geometry
472 if(strcmp(gMC->GetName(),"TGeant3")) {
473 Error("InitAliITSgeom",
474 "Wrong Monte Carlo. InitAliITSgeom uses TGeant3 calls");
477 cout << "Reading Geometry transformation directly from Geant 3." << endl;
478 const Int_t ltypess = 2;
479 const Int_t nlayers = 5;
480 const Int_t ndeep = 5;
481 Int_t itsGeomTreeNames[ltypess][ndeep],lnam[20],lnum[20];
482 Int_t nlad[nlayers],ndet[nlayers];
484 Float_t par[20],att[20];
485 Int_t npar,natt,idshape,imat,imed;
486 AliITSGeant3Geometry *ig = new AliITSGeant3Geometry();
487 Int_t mod,typ,lay,lad,det,cpy,i,j,k;
488 Char_t names[ltypess][ndeep][4];
489 Int_t itsGeomTreeCopys[ltypess][ndeep];
490 Char_t *namesA[ltypess][ndeep] = {
491 {"ALIC","ITSV","ITEL","IMB0","IMBS"}, // lay=1
492 {"ALIC","ITSV","IDET","ITS0","ITST"}};// Test SPD
493 Int_t itsGeomTreeCopysA[ltypess][ndeep]= {{1,1,4,1,1},// lay=1
494 {1,1,1,1,1}};//lay=2 TestSPD
495 for(i=0;i<ltypess;i++)for(j=0;j<ndeep;j++){
496 for(k=0;k<4;k++) names[i][j][k] = namesA[i][j][k];
497 itsGeomTreeCopys[i][j] = itsGeomTreeCopysA[i][j];
499 // Sorry, but this is not very pritty code. It should be replaced
500 // at some point with a version that can search through the geometry
502 cout << "Reading Geometry informaton from Geant3 common blocks" << endl;
503 for(i=0;i<20;i++) lnam[i] = lnum[i] = 0;
504 for(i=0;i<ltypess;i++)for(j=0;j<ndeep;j++)
505 strncpy((char*) &itsGeomTreeNames[i][j],names[i][j],4);
506 // itsGeomTreeNames[i][j] = ig->StringToInt(names[i][j]);
508 if(fITSgeom!=0) delete fITSgeom;
509 nlad[0]=1;nlad[1]=1;nlad[2]=1;nlad[3]=1;nlad[4]=1;
510 ndet[0]=1;ndet[1]=1;ndet[2]=1;ndet[3]=1;ndet[4]=1;
511 fITSgeom = new AliITSgeom(0,nlayers,nlad,ndet,mod);
512 for(typ=1;typ<=ltypess;typ++){
513 for(j=0;j<ndeep;j++) lnam[j] = itsGeomTreeNames[typ-1][j];
514 for(j=0;j<ndeep;j++) lnum[j] = itsGeomTreeCopys[typ-1][j];
517 for(cpy=1;cpy<=itsGeomTreeCopys[typ-1][2];cpy++){
520 if(cpy>2 && typ==1) lay = cpy +1;
523 ig->GetGeometry(ndeep,lnam,lnum,t,r,idshape,npar,natt,par,att,
525 fITSgeom->CreatMatrix(mod,lay,lad,det,kSPD,t,r);
526 if(!(fITSgeom->IsShapeDefined((Int_t)kSPD)))
527 fITSgeom->ReSetShape(kSPD,
528 new AliITSgeomSPD425Short(npar,par));
533 //______________________________________________________________________
534 void AliITSvSPD02::Init(){
535 ////////////////////////////////////////////////////////////////////////
536 // Initialise the ITS after it has been created.
543 ////////////////////////////////////////////////////////////////////////
547 for(i=0;i<26;i++) cout << "*";
548 cout << " ITSvSPD02" << fMinorVersion << "_Init ";
549 for(i=0;i<25;i++) cout << "*";cout << endl;
551 if(fRead[0]=='\0') strncpy(fRead,fEuclidGeomDet,60);
552 if(fWrite[0]=='\0') strncpy(fWrite,fEuclidGeomDet,60);
553 if(fITSgeom!=0) delete fITSgeom;
554 fITSgeom = new AliITSgeom();
555 if(fGeomDetIn) fITSgeom->ReadNewFile(fRead);
556 if(!fGeomDetIn) this->InitAliITSgeom();
557 if(fGeomDetOut) fITSgeom->WriteNewFile(fWrite);
560 for(i=0;i<72;i++) cout << "*";
562 fIDMother = gMC->VolId("ITSV"); // ITS Mother Volume ID.
564 //______________________________________________________________________
565 void AliITSvSPD02::SetDefaults(){
566 // sets the default segmentation, response, digit and raw cluster classes
573 const Float_t kconv = 1.0e+04; // convert cm to microns
575 Info("SetDefaults","Setting up only SPD detector");
577 AliITSDetType *iDetType;
580 Float_t bx[256],bz[280];
583 iDetType=DetType(kSPD);
584 // Get shape info. Do it this way for now.
585 s0 = (AliITSgeomSPD*) fITSgeom->GetShape(kSPD);
586 AliITSresponse *resp0=new AliITSresponseSPDdubna();
587 ((AliITSresponseSPDdubna*)resp0)->SetNoiseParam();
588 resp0->SetTemperature();
589 resp0->SetDistanceOverVoltage();
590 SetResponseModel(kSPD,resp0);
591 AliITSsegmentationSPD *seg0=new AliITSsegmentationSPD(fITSgeom);
592 seg0->SetDetSize(s0->GetDx()*2.*kconv, // base this on AliITSgeomSPD
593 s0->GetDz()*2.*kconv, // for now.
594 s0->GetDy()*2.*kconv); // x,z,y full width in microns.
595 seg0->SetNPads(256,160);// Number of Bins in x and z
596 for(i=000;i<256;i++) bx[i] = 50.0; // in x all are 50 microns.
597 for(i=000;i<160;i++) bz[i] = 425.0; // most are 425 microns except below
598 for(i=160;i<280;i++) bz[i] = 0.0; // Outside of detector.
599 bz[ 31] = bz[ 32] = 625.0; // first chip boundry
600 bz[ 63] = bz[ 64] = 625.0; // first chip boundry
601 bz[ 95] = bz[ 96] = 625.0; // first chip boundry
602 bz[127] = bz[128] = 625.0; // first chip boundry
603 bz[160] = 425.0; // Set so that there is no zero pixel size for fNz.
604 seg0->SetBinSize(bx,bz); // Based on AliITSgeomSPD for now.
605 SetSegmentationModel(kSPD,seg0);
606 // set digit and raw cluster classes to be used
607 const char *kData0=(iDetType->GetResponseModel())->DataType();
608 if (strstr(kData0,"real")) iDetType->ClassNames("AliITSdigit",
609 "AliITSRawClusterSPD");
610 else iDetType->ClassNames("AliITSdigitSPD","AliITSRawClusterSPD");
611 // SetSimulationModel(kSPD,new AliITSsimulationSPD(seg0,resp0));
612 // iDetType->ReconstructionModel(new AliITSClusterFinderSPD());
614 SetResponseModel(kSDD,new AliITSresponseSDD());
615 SetSegmentationModel(kSDD,new AliITSsegmentationSDD());
616 DetType(kSDD)->ClassNames("AliITSdigitSDD","AliITSRawClusterSDD");
618 SetResponseModel(kSSD,new AliITSresponseSSD());
619 SetSegmentationModel(kSSD,new AliITSsegmentationSSD());
620 DetType(kSSD)->ClassNames("AliITSdigitSSD","AliITSRawClusterSSD");
623 Warning("SetDefaults",
624 "Only the four basic detector types are initialised!");
628 //______________________________________________________________________
629 void AliITSvSPD02::SetDefaultSimulation(){
630 // sets the default simulation.
638 AliITSDetType *iDetType;
639 AliITSsimulation *sim;
641 sim = iDetType->GetSimulationModel();
643 AliITSsegmentation *seg0=
644 (AliITSsegmentation*)iDetType->GetSegmentationModel();
645 AliITSresponse *res0 = (AliITSresponse*)iDetType->GetResponseModel();
646 AliITSsimulationSPDdubna *sim0=new AliITSsimulationSPDdubna(seg0,res0);
647 SetSimulationModel(0,sim0);
648 }else{ // simulation exists, make sure it is set up properly.
649 ((AliITSsimulationSPDdubna*)sim)->Init(
650 (AliITSsegmentationSPD*) iDetType->GetSegmentationModel(),
651 (AliITSresponseSPDdubna*) iDetType->GetResponseModel());
652 // if(sim->GetResponseModel()==0) sim->SetResponseModel(
653 // (AliITSresponse*)iDetType->GetResponseModel());
654 // if(sim->GetSegmentationModel()==0) sim->SetSegmentationModel(
655 // (AliITSsegmentation*)iDetType->GetSegmentationModel());
658 sim = iDetType->GetSimulationModel();
660 AliITSsegmentation *seg1=
661 (AliITSsegmentation*)iDetType->GetSegmentationModel();
662 AliITSresponse *res1 = (AliITSresponse*)iDetType->GetResponseModel();
663 AliITSsimulationSDD *sim1=new AliITSsimulationSDD(seg1,res1);
664 SetSimulationModel(1,sim1);
665 }else{ // simulation exists, make sure it is set up properly.
666 ((AliITSsimulationSDD*)sim)->Init(
667 (AliITSsegmentationSDD*) iDetType->GetSegmentationModel(),
668 (AliITSresponseSDD*) iDetType->GetResponseModel());
669 // if(sim->GetResponseModel()==0) sim->SetResponseModel(
670 // (AliITSresponse*)iDetType->GetResponseModel());
671 // if(sim->GetSegmentationModel()==0) sim->SetSegmentationModel(
672 // (AliITSsegmentation*)iDetType->GetSegmentationModel());
675 sim = iDetType->GetSimulationModel();
677 AliITSsegmentation *seg2=
678 (AliITSsegmentation*)iDetType->GetSegmentationModel();
679 AliITSresponse *res2 = (AliITSresponse*)iDetType->GetResponseModel();
680 AliITSsimulationSSD *sim2=new AliITSsimulationSSD(seg2,res2);
681 SetSimulationModel(2,sim2);
682 }else{ // simulation exists, make sure it is set up properly.
683 ((AliITSsimulationSSD*)sim)->Init(
684 (AliITSsegmentationSSD*) iDetType->GetSegmentationModel(),
685 (AliITSresponseSSD*) iDetType->GetResponseModel());
686 // if(sim->GetResponseModel()==0) sim->SetResponseModel(
687 // (AliITSresponse*)iDetType->GetResponseModel());
688 // if(sim->GetSegmentationModel()==0) sim->SetSegmentationModel(
689 // (AliITSsegmentation*)iDetType->GetSegmentationModel());
692 //______________________________________________________________________
693 void AliITSvSPD02::DrawModule(){
694 ////////////////////////////////////////////////////////////////////////
695 // Draw a shaded view of the ITS SPD test beam version 1.
702 ////////////////////////////////////////////////////////////////////////
703 // Set everything unseen
704 gMC->Gsatt("*", "seen", -1);
705 // Set ALIC mother visible
706 gMC->Gsatt("ALIC","SEEN",0);
707 // Set ALIC ITS visible
708 gMC->Gsatt("ITSV","SEEN",0);
709 // Set ALIC Telescopes visible
710 gMC->Gsatt("ITEL","SEEN",0);
711 // Set ALIC detetcor visible
712 gMC->Gsatt("IDET","SEEN",0);
713 // Set Detector chip mother visible and drawn
714 gMC->Gsatt("IPC0","SEEN",1);
715 // Set Detector mother visible and drawn
716 gMC->Gsatt("ITS0","SEEN",1);
717 // Set minibus chip mother visible and drawn
718 gMC->Gsatt("ICMB","SEEN",1);
719 // Set minibus mother visible and drawn
720 gMC->Gsatt("IMB0","SEEN",1);
722 //______________________________________________________________________
723 void AliITSvSPD02::StepManager(){
724 ////////////////////////////////////////////////////////////////////////
725 // Called for every step in the ITS SPD test beam, then calles the
726 // AliITShit class creator with the information to be recoreded about
728 // The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
729 // printing of information to a file which can be used to create a .det
730 // file read in by the routine CreateGeometry(). If set to 0 or any other
731 // value except 1, the default behavior, then no such file is created nor
732 // it the extra variables and the like used in the printing allocated.
739 ////////////////////////////////////////////////////////////////////////
741 TLorentzVector position, momentum;
742 static TLorentzVector position0;
743 static Int_t stat0=0;
744 if((id=gMC->CurrentVolID(copy) == fIDMother)&&
745 (gMC->IsTrackEntering()||gMC->IsTrackExiting())){
746 copy = fTrackReferences->GetEntriesFast();
747 TClonesArray &lTR = *fTrackReferences;
748 // Fill TrackReference structure with this new TrackReference.
749 new(lTR[copy]) AliTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
750 } // if Outer ITS mother Volume
751 if(!(this->IsActive())){
753 } // end if !Active volume.
755 TClonesArray &lhits = *fHits;
760 if(gMC->IsTrackInside()) vol[3] += 1;
761 if(gMC->IsTrackEntering()) vol[3] += 2;
762 if(gMC->IsTrackExiting()) vol[3] += 4;
763 if(gMC->IsTrackOut()) vol[3] += 8;
764 if(gMC->IsTrackDisappeared()) vol[3] += 16;
765 if(gMC->IsTrackStop()) vol[3] += 32;
766 if(gMC->IsTrackAlive()) vol[3] += 64;
768 // Fill hit structure.
769 if(!(gMC->TrackCharge())) return;
770 id = gMC->CurrentVolID(copy);
771 if(id==fIdSens[0]){ // Volume name "IMBS"
772 vol[2] = vol[1] = 1; // Det, ladder
773 id = gMC->CurrentVolOffID(2,copy);
774 //detector copy in the ladder = 1<->4 (ITS1 < I101 < I103 < I10A)
775 vol[0] = copy; // Lay
777 } else if(id == fIdSens[1]){ // Volume name "ITST"
779 vol[1] = 1; // ladder
780 id = gMC->CurrentVolOffID(2,copy);
781 //detector copy in the ladder = 1<->4 (ITS2 < I1D1 < I1D3 < I20A)
782 vol[2] = 1; // detector
783 } else return; // end if
785 gMC->TrackPosition(position);
786 gMC->TrackMomentum(momentum);
788 if(gMC->IsTrackEntering()){
789 position0 = position;
792 } // end if IsEntering
793 // Fill hit structure with this new hit only for non-entrerance hits.
794 else new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->GetMCApp()->GetCurrentTrackNumber(),vol,
795 gMC->Edep(),gMC->TrackTime(),position,
798 position0 = position;