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New functions added to retrieve initial point information.
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6078cf56 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$Log$
829bc99b 18Revision 1.3 2003/03/21 14:34:10 nilsen
19Removed warning from part of code not properly implimneted yet.
20
a37bd8eb 21Revision 1.2 2003/02/12 10:39:05 hristov
22Updated AliTrackReference class (S.Radomski)
23
709a263a 24Revision 1.1 2002/12/05 20:07:25 nilsen
25Adding new SPD 2002 test-beam geometry, with Config file (setup for testing,
2650 pions in one event and not 50 events with one pion).
27
6078cf56 28*/
29#include <Riostream.h>
30#include <stdio.h>
31#include <stdlib.h>
32#include <TMath.h>
33#include <TGeometry.h>
34#include <TNode.h>
35#include <TTUBE.h>
36#include <TTUBS.h>
37#include <TPCON.h>
38#include <TFile.h> // only required for Tracking function?
39#include <TCanvas.h>
40#include <TObjArray.h>
41#include <TLorentzVector.h>
42#include <TObjString.h>
43#include <TClonesArray.h>
44#include <TBRIK.h>
45#include <TSystem.h>
46
47#include "AliRun.h"
48#include "AliMagF.h"
49#include "AliConst.h"
50#include "AliITSGeant3Geometry.h"
51#include "AliTrackReference.h"
52#include "AliITShit.h"
53#include "AliITS.h"
54#include "AliITSvSPD02.h"
55#include "AliITSgeom.h"
56#include "AliITSgeomSPD.h"
57#include "AliITSgeomSDD.h"
58#include "AliITSgeomSSD.h"
59#include "AliITSDetType.h"
60#include "AliITSresponseSPD.h"
61#include "AliITSresponseSDD.h"
62#include "AliITSresponseSSD.h"
63#include "AliITSsegmentationSPD.h"
64#include "AliITSsegmentationSDD.h"
65#include "AliITSsegmentationSSD.h"
66#include "AliITSsimulationSPD.h"
67#include "AliITSsimulationSDD.h"
68#include "AliITSsimulationSSD.h"
69#include "AliITSClusterFinderSPD.h"
70#include "AliITSClusterFinderSDD.h"
71#include "AliITSClusterFinderSSD.h"
72
73
74ClassImp(AliITSvSPD02)
75
76//______________________________________________________________________
77AliITSvSPD02::AliITSvSPD02() {
78 ////////////////////////////////////////////////////////////////////////
79 // Standard default constructor for the ITS SPD test beam 2002 version 1.
80 // Inputs:
81 // none.
82 // Outputs:
83 // none.
84 // Return:
85 // A default created class.
86 ////////////////////////////////////////////////////////////////////////
87 Int_t i;
88
89 fIdN = 0;
90 fIdName = 0;
91 fIdSens = 0;
92 fEuclidOut = kFALSE; // Don't write Euclide file
93 fGeomDetOut = kFALSE; // Don't write .det file
94 fGeomDetIn = kFALSE; // Don't Read .det file
95 fMajorVersion = IsVersion();
96 fMinorVersion = -1;
97 for(i=0;i<60;i++) fRead[i] = '\0';
98 for(i=0;i<60;i++) fWrite[i] = '\0';
99 for(i=0;i<60;i++) fEuclidGeomDet[i] = '\0';
100}
101//______________________________________________________________________
102AliITSvSPD02::AliITSvSPD02(const char *title) : AliITS("ITS", title){
103 ////////////////////////////////////////////////////////////////////////
104 // Standard constructor for the ITS SPD testbeam 2002 version 1.
105 // Inputs:
106 // const char *title title for this ITS geometry.
107 // Outputs:
108 // none.
109 // Return:
110 // A standard created class.
111 ////////////////////////////////////////////////////////////////////////
112 Int_t i;
113
114 fIdN = 2;
115 fIdName = new TString[fIdN];
116 fIdName[0] = "IMBS";
117 fIdName[1] = "ITST";
118 fIdSens = new Int_t[fIdN];
119 for(i=0;i<fIdN;i++) fIdSens[i] = 0;
120 fMajorVersion = IsVersion();
121 fMinorVersion = 2;
122 fEuclidOut = kFALSE; // Don't write Euclide file
123 fGeomDetOut = kFALSE; // Don't write .det file
124 fGeomDetIn = kFALSE; // Don't Read .det file
125 SetThicknessDet1();
126 SetThicknessDet2();
127 SetThicknessChip1();
128 SetThicknessChip2();
129
130 fEuclidGeometry="$ALICE_ROOT/ITS/ITSgeometry_vSPD022.euc";
131 strncpy(fEuclidGeomDet,"$ALICE_ROOT/ITS/ITSgeometry_vSPD022.det",60);
132 strncpy(fRead,fEuclidGeomDet,60);
133 strncpy(fWrite,fEuclidGeomDet,60);
134}
135//______________________________________________________________________
136AliITSvSPD02::AliITSvSPD02(const AliITSvSPD02 &source){
137 ////////////////////////////////////////////////////////////////////////
138 // Copy Constructor for ITS SPD test beam 2002 version 1.
139 // This class is not to be copied. Function only dummy.
140 // Inputs:
141 // const AliITSvSPD02 &source The class to be copied
142 // Outputs:
143 // none.
144 // Return:
145 // A warning message.
146 ////////////////////////////////////////////////////////////////////////
147 if(&source == this) return;
148 Warning("Copy Constructor","Not allowed to copy AliITSvSPD02");
149 return;
150}
151//______________________________________________________________________
152AliITSvSPD02& AliITSvSPD02::operator=(const AliITSvSPD02 &source){
153 ////////////////////////////////////////////////////////////////////////
154 // Assignment operator for the ITS SPD test beam 2002 version 1.
155 // This class is not to be copied. Function only dummy.
156 // Inputs:
157 // const AliITSvSPD02 &source The class to be copied
158 // Outputs:
159 // none.
160 // Return:
161 // A Warning message
162 ////////////////////////////////////////////////////////////////////////
163 if(&source == this) return *this;
164 Warning("= operator","Not allowed to copy AliITSvSPD02");
165 return *this;
166}
167//______________________________________________________________________
168AliITSvSPD02::~AliITSvSPD02() {
169 ////////////////////////////////////////////////////////////////////////
170 // Standard destructor for the ITS SPD test beam 2002 version 1.
171 // Inputs:
172 // none.
173 // Outputs:
174 // none.
175 // Return:
176 // none.
177 ////////////////////////////////////////////////////////////////////////
178}
179//______________________________________________________________________
180void AliITSvSPD02::BuildGeometry(){
181 ////////////////////////////////////////////////////////////////////////
182 // Geometry builder for the ITS SPD test beam 2002 version 1.
183 // ALIC ALICE Mother Volume
184 // |- ITSV ITS Mother Volume
185 // |- IDET Detector under Test
186 // | |- ITS0 SPD Si Chip
187 // | | |- ITST SPD Sensitivve Volume
188 // | |- IPC0 *5 Readout chip
189 // |- ITEL *4 SPD Telescope
190 // |- IMB0 SPD Si Chip
191 // | |- IMBS SPD Sensitive volume
192 // |- ICMB Chip MiniBus.
193 // Inputs:
194 // none.
195 // Outputs:
196 // none.
197 // Return:
198 // none.
199 ////////////////////////////////////////////////////////////////////////
200 // Get the top alice volume.
201 TNode *ALIC = gAlice->GetGeometry()->GetNode("alice");
202 ALIC->cd();
203
204 // Define ITS Mother Volume
205 Float_t data[3];
206 Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
207 Float_t dchipMiniBus=750.0E-4,dchiptest=300.0E-4;
208 //Float_t yposition= 0.0;
209 TRotMatrix *r0 = new TRotMatrix("ITSidrotm0","ITSidrotm0",
210 90.0,0,0.0,0,90.0,270.0);
211 data[0] = 10.0;
212 data[1] = 50.0;
213 data[2] = 100.0;
214 TBRIK *ITSVshape = new TBRIK("ITSVshape","ITS Logical Mother Volume","Air",
215 data[0],data[1],data[2]);
216 TNode *ITSV = new TNode("ITSV","ITS Mother Volume",ITSVshape,
217 0.0,0.0,0.0,0,0);
218 ITSV->cd(); // set ourselve into ITSV subvolume of ALIC
219
220 // SPD part of telescope (MiniBuS)
221 data[0] = 0.705;
222 data[1] = 0.5*ddettelescope;
223 data[2] = 3.536;
224 TBRIK *IMB0shape = new TBRIK("IMB0shape","SPD wafer","Si",
225 data[0],data[1],data[2]);
226 Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
227 data[0] = detMiniBusX = 0.64;
228 data[1] = detMiniBusY = 0.5*ddettelescope;
229 data[2] = detMiniBusZ = 3.48;
230 TBRIK *IMBSshape = new TBRIK("IMBSshape","SPD Sensitive volume","Si",
231 data[0],data[1],data[2]);
232 Float_t chipMiniBusX,chipMiniBusY,chipMiniBusZ;
233 data[0] = chipMiniBusX = 0.793;
234 data[1] = chipMiniBusY = 0.5*dchipMiniBus;
235 data[2] = chipMiniBusZ = 0.68;
236 TBRIK *ICMBshape = new TBRIK("ICMBshape","chip Minibus","Si",
237 data[0],data[1],data[2]);
238 data[0] = TMath::Max(detMiniBusX,chipMiniBusX);
239 data[1] = detMiniBusY+chipMiniBusY;
240 data[2] = TMath::Max(detMiniBusZ,chipMiniBusZ);
241 TBRIK *ITELshape = new TBRIK("ITELshape","ITELshape","Air",
242 data[0],data[1],data[2]);
243
244 // SPD under test
245 Float_t spdX,spdY,spdZ,spdchipX,spdchipY,spdchipZ;
246 data[0] = 0.705;
247 data[1] = ddettest;
248 data[2] = 3.536;
249 TBRIK *ITS0shape = new TBRIK("ITS0shape","SPD wafer","Si",
250 data[0],data[1],data[2]); // contains detector
251 data[0] = spdX = 0.64;
252 data[1] = spdY = ddettest;
253 data[2] = spdZ = 3.48;
254 TBRIK *ITSTshape = new TBRIK("ITSTshape","SPD sensitive volume","Si",
255 data[0],data[1],data[2]);
256 // ITS0 with no translation and unit rotation matrix.
257 data[0] = spdchipX = 0.793;
258 data[1] = spdchipY = dchiptest;
259 data[2] = spdchipZ = 0.68;
260 TBRIK *IPC0shape = new TBRIK("IPC0shape","Readout Chips","Si",
261 data[0],data[1],data[2]); // chip under test
262 data[0] = TMath::Max(spdchipX,spdX);
263 data[1] = spdY+spdchipY;
264 data[2] = TMath::Max(spdchipZ,spdZ);
265 TBRIK *IDETshape = new TBRIK("IDETshape","Detector Under Test","Air",
266 data[0],data[1],data[2]);
267 // Place volumes in geometry
268 Int_t i,j;
269 char name[20],title[50];
270 Double_t px=0.0,py=0.0,pz[4]={-38.0,0.0,0.0,0.0};
271 pz[1] = pz[0]+2.0;
272 pz[2] = pz[1]+38.0+spdY+spdchipY+34.5;
273 pz[3] = pz[2]+2.0;
274 TNode *ITEL[4],*ICMB[4],*IMB0[4],*IMBS[4];
275 TNode *IDET = new TNode("IDET","Detector Under Test",IDETshape,
276 0.0,0.0,pz[1]+38.0,r0,0);
277 IDET->cd();
278 TNode *ITS0 = new TNode("ITS0","SPD Chip",ITS0shape,
279 0.0,IDETshape->GetDy()-spdY,0.0,0,0);
280 TNode *IPC0[5];
281 for(i=0;i<5;i++) { //place readout chips on the back of SPD chip under test
282 sprintf(name,"IPC0%d",i);
283 sprintf(title,"Readout chip #%d",i+1);
284 j = i-2;
285 IPC0[i] = new TNode(name,title,IPC0shape,
286 0.0,spdchipY-IDETshape->GetDy(),
287 j*2.0*spdchipZ+j*0.25*(spdZ-5.*spdchipZ),0,0);
288 } // end for i
289 ITS0->cd();
290 TNode *ITST = new TNode("ITST","SPD sensitive volume",ITSTshape,
291 0.0,0.0,0.0,0,0);
292 for(Int_t i=0;i<4;i++){
293 ITSV->cd();
294 sprintf(name,"ITEL%d",i);
295 sprintf(title,"Test beam telescope element #%d",i+1);
296 ITEL[i] = new TNode(name,title,ITELshape,px,py,pz[i],r0,0);
297 ITEL[i]->cd();
298 ICMB[i] = new TNode("ICMB","Chip MiniBus",ICMBshape,
299 0.0,-ITELshape->GetDy()+detMiniBusY,0.0,0,0);
300 IMB0[i] = new TNode("IMB0","Chip MiniBus",IMB0shape,
301 0.0, ITELshape->GetDy()-detMiniBusY,0.0,0,0);
302 IMB0[i]->cd();
303 IMBS[i] = new TNode("IMBS","IMBS",IMBSshape,0.0,0.0,0.0,0,0);
304 // place IMBS inside IMB0 with no translation and unit rotation matrix.
305 } // end for i
306 ALIC->cd();
307 ITST->SetLineColor(kYellow);
308 fNodes->Add(ITST);
309 for(i=0;i<4;i++){
310 IMBS[i]->SetLineColor(kGreen);
311 fNodes->Add(IMBS[i]);
312 } // end for i
313}
314//______________________________________________________________________
315void AliITSvSPD02::CreateGeometry(){
316 ////////////////////////////////////////////////////////////////////////
317 // This routine defines and Creates the geometry for version 1 of the ITS.
318 // ALIC ALICE Mother Volume
319 // |- ITSV ITS Mother Volume
320 // |- IDET Detector under Test
321 // | |- ITS0 SPD Si Chip
322 // | | |- ITST SPD Sensitivve Volume
323 // | |- IPC0 *5 Readout chip
324 // |- ITEL *4 SPD Telescope
325 // |- IMB0 SPD Si Chip
326 // | |- IMBS SPD Sensitive volume
327 // |- ICMB Chip MiniBus.
328 // Inputs:
329 // none.
330 // Outputs:
331 // none.
332 // Return:
333 // none.
334 ////////////////////////////////////////////////////////////////////////
335 Float_t data[49];
336 // Define media off-set
337 Int_t *idtmed = fIdtmed->GetArray()+1; // array of media indexes
338 Int_t idrotm[4]; // Array of rotation matrix indexes
339 Float_t ddettest=200.0E-4,ddettelescope=300.0E-4;
340 Float_t dchipMiniBus=750.0E-4,dchiptest=300.0E-4;
341 Float_t yposition= 0.0;
342
343 // Define Rotation-reflextion Matrixes needed
344 // 0 is the unit matrix
345 AliMatrix(idrotm[0], 90.0,0.0, 0.0,0.0, 90.0,270.0);
346 data[0] = 10.0;
347 data[1] = 50.0;
348 data[2] = 100.0;
349 gMC->Gsvolu("ITSV","BOX",idtmed[0],data,3);
350 gMC->Gspos("ITSV",1,"ALIC",0.0,0.0,0.0,0,"ONLY");
351
352 //cout << "idtmed[0]=" << idtmed[0]<<endl;
353 //cout << "idtmed[1]=" << idtmed[1]<<endl;
354 Float_t detMiniBusX,detMiniBusY,detMiniBusZ;
355 // SPD part of telescope (MiniBuS)
356 data[0] = detMiniBusX = 0.705;
357 data[1] = detMiniBusY = 0.5*ddettelescope;
358 data[2] = detMiniBusZ = 3.536;
359 gMC->Gsvolu("IMB0", "BOX ", idtmed[1], data, 3); // contains detector
360 data[0] = 0.64;
361 data[1] = 0.5*ddettelescope;
362 data[2] = 3.48;
363 gMC->Gsvolu("IMBS","BOX ",idtmed[1],data,3); // sensitive detecor volulme
364 gMC->Gspos("IMBS",1,"IMB0",0.0,0.0,0.0,0,"ONLY"); // place IMBS inside
365 // IMB0 with no translation and unit rotation matrix.
366 Float_t chipMiniBusX,chipMiniBusY,chipMiniBusZ;
367 data[0] = chipMiniBusX = 0.793;
368 data[1] = chipMiniBusY = 0.5*dchipMiniBus;
369 data[2] = chipMiniBusZ = 0.68;
370 gMC->Gsvolu("ICMB","BOX ",idtmed[1],data, 3); // chip Minibus
371 data[0] = TMath::Max(detMiniBusX,chipMiniBusX);
372 data[1] = detMiniBusY+chipMiniBusY;
373 data[2] = TMath::Max(detMiniBusZ,chipMiniBusZ);
374 gMC->Gsvolu("ITEL","BOX ",idtmed[0],data,3);
375 gMC->Gspos("IMB0",1,"ITEL",0.0,data[1]-detMiniBusY,0.0,0,"ONLY");
376 gMC->Gspos("ICMB",1,"ITEL",0.0,-data[1]+chipMiniBusY,0.0,0,"ONLY");
377
378 // SPD under test
379 Float_t spdX,spdY,spdZ,spdchipX,spdchipY,spdchipZ;
380 data[0] = spdX = 0.705;
381 data[1] = spdY = 0.5*ddettest;
382 data[2] = spdZ = 3.536;
383 gMC->Gsvolu("ITS0", "BOX ", idtmed[1], data, 3); // contains detector
384 data[0] = 0.64;
385 data[1] = 0.5*ddettest;
386 data[2] = 3.48;
387 gMC->Gsvolu("ITST","BOX ",idtmed[1],data,3);// sensitive detecor volume
388 gMC->Gspos("ITST",1,"ITS0",0.0,0.0,0.0,0,"ONLY"); // place ITST inside
389 // ITS0 with no translation and unit rotation matrix.
390 data[0] = spdchipX = 0.793;
391 data[1] = spdchipY = 0.5*dchiptest;
392 data[2] = spdchipZ = 0.68;
393 gMC->Gsvolu("IPC0", "BOX ", idtmed[1],data,3); // chip under test
394 data[0] = TMath::Max(spdchipX,spdX);
395 data[1] = spdY+spdchipY;
396 data[2] = TMath::Max(spdchipZ,spdZ);
397 gMC->Gsvolu("IDET","BOX ",idtmed[0],data,3);
398 gMC->Gspos("ITS0",1,"IDET",0.0,data[1]-spdY,0.0,0,"ONLY");
399 for(Int_t i=-2;i<3;i++) gMC->Gspos("IPC0",i+3,"IDET",0.0,-data[1]+spdchipY,
400 i*2.*spdchipZ+i*0.25*(spdZ-5.*spdchipZ),0,"ONLY");
401
402 // Positions detectors, Beam Axis Z, X to the right, Y up to the sky.
403 Float_t p00X,p00Y,p00Z,p01X,p01Y,p01Z,p10X,p10Y,p10Z,p11X,p11Y,p11Z;
404 p00X = 0.0;
405 p00Y = 0.0;
406 p00Z = -38.0;
407 gMC->Gspos("ITEL",1,"ITSV",p00X,p00Y,p00Z,idrotm[0],"ONLY");
408 p01X = 0.0;
409 p01Y = 0.0;
410 p01Z = p00Z+2.0;
411 gMC->Gspos("ITEL",2,"ITSV",p01X,p01Y,p01Z,idrotm[0],"ONLY");
412 Float_t pdetX,pdetY,pdetZ;
413 pdetX = 0.0;
414 pdetY = 0.0+yposition;
415 pdetZ = p01Z+38.0;
416 gMC->Gspos("IDET",1,"ITSV",pdetX,pdetY,pdetZ,idrotm[0],"ONLY");
417 p10X = 0.0;
418 p10Y = 0.0;
419 p10Z = pdetZ + 34.5;
420 gMC->Gspos("ITEL",3,"ITSV",p10X,p10Y,p10Z,idrotm[0],"ONLY");
421 p11X = 0.0;
422 p11Y = 0.0;
423 p11Z = p10Z+2.0;
424 gMC->Gspos("ITEL",4,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");
425}
426//______________________________________________________________________
427void AliITSvSPD02::CreateMaterials(){
428 ////////////////////////////////////////////////////////////////////////
429 //
430 // Create ITS SPD test beam materials
431 // This function defines the default materials used in the Geant
432 // Monte Carlo simulations for the geometries AliITSv1, AliITSv3,
433 // AliITSvSPD02.
434 // In general it is automatically replaced by
435 // the CreatMaterials routine defined in AliITSv?. Should the function
436 // CreateMaterials not exist for the geometry version you are using this
437 // one is used. See the definition found in AliITSv5 or the other routine
438 // for a complete definition.
439 //
440 // Inputs:
441 // none.
442 // Outputs:
443 // none.
444 // Return:
445 // none.
446 /////////////////////////////////////////////////////////////////////////
447 Float_t tmaxfdSi = 0.1; // Degree
448 Float_t stemaxSi = 0.0075; // cm
449 Float_t deemaxSi = 0.1; // Fraction of particle's energy 0<deemax<=1
450 Float_t epsilSi = 1.0E-4;//
451 Float_t stminSi = 0.0; // cm "Default value used"
452
453 Float_t tmaxfdAir = 0.1; // Degree
454 Float_t stemaxAir = .10000E+01; // cm
455 Float_t deemaxAir = 0.1; // Fraction of particle's energy 0<deemax<=1
456 Float_t epsilAir = 1.0E-4;//
457 Float_t stminAir = 0.0; // cm "Default value used"
458 Int_t ifield = gAlice->Field()->Integ();
459 Float_t fieldm = gAlice->Field()->Max();
460
461 AliMaterial(1,"AIR$",0.14610E+02,0.73000E+01,0.12050E-02,
462 0.30423E+05,0.99900E+03);
463 AliMedium(1,"AIR$",1,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,
464 epsilAir,stminAir);
465
466 AliMaterial(2,"SI$",0.28086E+02,0.14000E+02,0.23300E+01,
467 0.93600E+01,0.99900E+03);
468 AliMedium(2,"SI$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,
469 epsilSi,stminSi);
470}
471//______________________________________________________________________
472void AliITSvSPD02::InitAliITSgeom(){
473 // Based on the geometry tree defined in Geant 3.21, this
474 // routine initilizes the Class AliITSgeom from the Geant 3.21 ITS geometry
475 // sturture.
476 // Inputs:
477 // none.
478 // Outputs:
479 // none.
480 // Return:
481 // none.
482 if(strcmp(gMC->GetName(),"TGeant3")) {
483 Error("InitAliITSgeom",
484 "Wrong Monte Carlo. InitAliITSgeom uses TGeant3 calls");
485 return;
486 } // end if
487 cout << "Reading Geometry transformation directly from Geant 3." << endl;
a37bd8eb 488 const Int_t nlayers = 6;
6078cf56 489 const Int_t ndeep = 5;
490 Int_t itsGeomTreeNames[nlayers][ndeep],lnam[20],lnum[20];
491 Int_t nlad[nlayers],ndet[nlayers];
492 Double_t t[3],r[10];
493 Float_t par[20],att[20];
494 Int_t npar,natt,idshape,imat,imed;
495 AliITSGeant3Geometry *ig = new AliITSGeant3Geometry();
496 Int_t mod,lay,lad,det,i,j,k;
497 Char_t names[nlayers][ndeep][4];
498 Int_t itsGeomTreeCopys[nlayers][ndeep];
499 Char_t *namesA[nlayers][ndeep] = {
500 {"ALIC","ITSV","ITEL","IMB0","IMBS"}, // lay=1
501 {"ALIC","ITSV","IDET","ITS0","ITST"}};// Test SPD
502 Int_t itsGeomTreeCopysA[nlayers][ndeep]= {{1,1,4,1,1},// lay=1
503 {1,1,1,1,1}};//lay=2 TestSPD
504 for(i=0;i<nlayers;i++)for(j=0;j<ndeep;j++){
505 for(k=0;k<4;k++) names[i][j][k] = namesA[i][j][k];
506 itsGeomTreeCopys[i][j] = itsGeomTreeCopysA[i][j];
507 } // end for i,j
508 // Sorry, but this is not very pritty code. It should be replaced
509 // at some point with a version that can search through the geometry
510 // tree its self.
511 cout << "Reading Geometry informaton from Geant3 common blocks" << endl;
512 for(i=0;i<20;i++) lnam[i] = lnum[i] = 0;
513 for(i=0;i<nlayers;i++)for(j=0;j<ndeep;j++)
514 itsGeomTreeNames[i][j] = ig->StringToInt(names[i][j]);
515 mod = 0;
516 for(i=0;i<nlayers;i++){
517 k = 1;
518 for(j=0;j<ndeep;j++) if(itsGeomTreeCopys[i][j]!=0)
519 k *= TMath::Abs(itsGeomTreeCopys[i][j]);
520 mod += k;
521 } // end for i
522
523 if(fITSgeom!=0) delete fITSgeom;
524 nlad[0]=20;nlad[1]=40;nlad[2]=14;nlad[3]=22;nlad[4]=34;nlad[5]=38;
525 ndet[0]=4;ndet[1]=4;ndet[2]=6;ndet[3]=8;ndet[4]=22;ndet[5]=25;
526 fITSgeom = new AliITSgeom(0,6,nlad,ndet,mod);
527 mod = -1;
528 for(lay=1;lay<=nlayers;lay++){
529 for(j=0;j<ndeep;j++) lnam[j] = itsGeomTreeNames[lay-1][j];
530 for(j=0;j<ndeep;j++) lnum[j] = itsGeomTreeCopys[lay-1][j];
531 switch (lay){
532 case 1: case 2: // layers 1 and 2 are a bit special
533 lad = 0;
534 for(j=1;j<=itsGeomTreeCopys[lay-1][4];j++){
535 lnum[4] = j;
536 for(k=1;k<=itsGeomTreeCopys[lay-1][5];k++){
537 lad++;
538 lnum[5] = k;
539 for(det=1;det<=itsGeomTreeCopys[lay-1][6];det++){
540 lnum[6] = det;
541 mod++;
542 ig->GetGeometry(ndeep,lnam,lnum,t,r,idshape,npar,natt,
543 par,att,imat,imed);
544 fITSgeom->CreatMatrix(mod,lay,lad,det,kSPD,t,r);
545 if(!(fITSgeom->IsShapeDefined((Int_t)kSPD)))
546 fITSgeom->ReSetShape(kSPD,
547 new AliITSgeomSPD425Short(npar,par));
548 } // end for det
549 } // end for k
550 } // end for j
551 break;
552 } // end switch
553 } // end for lay
554 return;
555}
556//______________________________________________________________________
557void AliITSvSPD02::Init(){
558 ////////////////////////////////////////////////////////////////////////
559 // Initialise the ITS after it has been created.
560 // Inputs:
561 // none.
562 // Outputs:
563 // none.
564 // Return:
565 // none.
566 ////////////////////////////////////////////////////////////////////////
567 Int_t i;
568
569 cout << endl;
570 for(i=0;i<26;i++) cout << "*";
571 cout << " ITSvSPD02" << fMinorVersion << "_Init ";
572 for(i=0;i<25;i++) cout << "*";cout << endl;
573//
574 if(fRead[0]=='\0') strncpy(fRead,fEuclidGeomDet,60);
575 if(fWrite[0]=='\0') strncpy(fWrite,fEuclidGeomDet,60);
576 if(fITSgeom!=0) delete fITSgeom;
577 fITSgeom = new AliITSgeom();
578 if(fGeomDetIn) fITSgeom->ReadNewFile(fRead);
579 if(!fGeomDetIn) this->InitAliITSgeom();
580 if(fGeomDetOut) fITSgeom->WriteNewFile(fWrite);
581 AliITS::Init();
582//
583 for(i=0;i<72;i++) cout << "*";
584 cout << endl;
585 fIDMother = gMC->VolId("ITSV"); // ITS Mother Volume ID.
586}
587//______________________________________________________________________
588void AliITSvSPD02::SetDefaults(){
589 // sets the default segmentation, response, digit and raw cluster classes
590 // Inputs:
591 // none.
592 // Outputs:
593 // none.
594 // Return:
595 // none.
596 const Float_t kconv = 1.0e+04; // convert cm to microns
597
598 Info("SetDefaults","Setting up only SPD detector");
599
600 AliITSDetType *iDetType;
601 AliITSgeomSPD *s0;
602 Int_t i;
603 Float_t bx[256],bz[280];
604
605 //SPD
606 iDetType=DetType(kSPD);
607 s0 = (AliITSgeomSPD*) fITSgeom->GetShape(kSPD);// Get shape info. Do it this way for now.
608 AliITSresponse *resp0=new AliITSresponseSPD();
609 SetResponseModel(kSPD,resp0);
610 AliITSsegmentationSPD *seg0=new AliITSsegmentationSPD(fITSgeom);
611 seg0->SetDetSize(s0->GetDx()*2.*kconv, // base this on AliITSgeomSPD
612 s0->GetDz()*2.*kconv, // for now.
613 s0->GetDy()*2.*kconv); // x,z,y full width in microns.
614 seg0->SetNPads(256,160);// Number of Bins in x and z
615 for(i=000;i<256;i++) bx[i] = 50.0; // in x all are 50 microns.
616 for(i=000;i<160;i++) bz[i] = 425.0; // most are 425 microns except below
617 for(i=160;i<280;i++) bz[i] = 0.0; // Outside of detector.
618 bz[ 31] = bz[ 32] = 625.0; // first chip boundry
619 bz[ 63] = bz[ 64] = 625.0; // first chip boundry
620 bz[ 95] = bz[ 96] = 625.0; // first chip boundry
621 bz[127] = bz[128] = 625.0; // first chip boundry
622 bz[160] = 425.0; // Set so that there is no zero pixel size for fNz.
623 seg0->SetBinSize(bx,bz); // Based on AliITSgeomSPD for now.
624 SetSegmentationModel(kSPD,seg0);
625 // set digit and raw cluster classes to be used
626 const char *kData0=(iDetType->GetResponseModel())->DataType();
627 if (strstr(kData0,"real")) iDetType->ClassNames("AliITSdigit",
628 "AliITSRawClusterSPD");
629 else iDetType->ClassNames("AliITSdigitSPD","AliITSRawClusterSPD");
630// SetSimulationModel(kSPD,new AliITSsimulationSPD(seg0,resp0));
631// iDetType->ReconstructionModel(new AliITSClusterFinderSPD());
632
633 if(kNTYPES>3){
634 Warning("SetDefaults",
635 "Only the four basic detector types are initialised!");
636 }// end if
637 return;
638}
639//______________________________________________________________________
640void AliITSvSPD02::DrawModule(){
641 ////////////////////////////////////////////////////////////////////////
642 // Draw a shaded view of the ITS SPD test beam version 1.
643 // Inputs:
644 // none.
645 // Outputs:
646 // none.
647 // Return:
648 // none.
649 ////////////////////////////////////////////////////////////////////////
650 // Set everything unseen
651 gMC->Gsatt("*", "seen", -1);
652 // Set ALIC mother visible
653 gMC->Gsatt("ALIC","SEEN",0);
654 // Set ALIC ITS visible
655 gMC->Gsatt("ITSV","SEEN",0);
656 // Set ALIC Telescopes visible
657 gMC->Gsatt("ITEL","SEEN",0);
658 // Set ALIC detetcor visible
659 gMC->Gsatt("IDET","SEEN",0);
660 // Set Detector chip mother visible and drawn
661 gMC->Gsatt("IPC0","SEEN",1);
662 // Set Detector mother visible and drawn
663 gMC->Gsatt("ITS0","SEEN",1);
664 // Set minibus chip mother visible and drawn
665 gMC->Gsatt("ICMB","SEEN",1);
666 // Set minibus mother visible and drawn
667 gMC->Gsatt("IMB0","SEEN",1);
668}
669//______________________________________________________________________
670void AliITSvSPD02::StepManager(){
671 ////////////////////////////////////////////////////////////////////////
672 // Called for every step in the ITS SPD test beam, then calles the
673 // AliITShit class creator with the information to be recoreded about
674 // that hit.
675 // The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
676 // printing of information to a file which can be used to create a .det
677 // file read in by the routine CreateGeometry(). If set to 0 or any other
678 // value except 1, the default behavior, then no such file is created nor
679 // it the extra variables and the like used in the printing allocated.
680 // Inputs:
681 // none.
682 // Outputs:
683 // none.
684 // Return:
685 // none.
686 ////////////////////////////////////////////////////////////////////////
687 Int_t copy, id;
688 TLorentzVector position, momentum;
689 static TLorentzVector position0;
690 static Int_t stat0=0;
691 if((id=gMC->CurrentVolID(copy) == fIDMother)&&
692 (gMC->IsTrackEntering()||gMC->IsTrackExiting())){
6078cf56 693 copy = fTrackReferences->GetEntriesFast();
694 TClonesArray &lTR = *fTrackReferences;
695 // Fill TrackReference structure with this new TrackReference.
829bc99b 696 new(lTR[copy]) AliTrackReference(gAlice->CurrentTrack());
6078cf56 697 } // if Outer ITS mother Volume
698 if(!(this->IsActive())){
699 return;
700 } // end if !Active volume.
701 Int_t vol[5];
702 TClonesArray &lhits = *fHits;
703 //
704 // Track status
705 vol[3] = 0;
706 vol[4] = 0;
707 if(gMC->IsTrackInside()) vol[3] += 1;
708 if(gMC->IsTrackEntering()) vol[3] += 2;
709 if(gMC->IsTrackExiting()) vol[3] += 4;
710 if(gMC->IsTrackOut()) vol[3] += 8;
711 if(gMC->IsTrackDisappeared()) vol[3] += 16;
712 if(gMC->IsTrackStop()) vol[3] += 32;
713 if(gMC->IsTrackAlive()) vol[3] += 64;
714 //
715 // Fill hit structure.
716 if(!(gMC->TrackCharge())) return;
717 id = gMC->CurrentVolID(copy);
718 if(id==fIdSens[0]){
719 vol[0] = vol[1] = 1; // Layer, ladder
720 id = gMC->CurrentVolOffID(2,copy);
721 //detector copy in the ladder = 1<->4 (ITS1 < I101 < I103 < I10A)
722 vol[2] = copy; // detector
723 } else if(id == fIdSens[1]){
724 vol[0] = 1; // layer
725 vol[1] = 2; // ladder
726 id = gMC->CurrentVolOffID(2,copy);
727 //detector copy in the ladder = 1<->4 (ITS2 < I1D1 < I1D3 < I20A)
728 vol[2] = copy; // detector
729 } else return; // end if
730 //
731 gMC->TrackPosition(position);
732 gMC->TrackMomentum(momentum);
733 vol[4] = stat0;
734 if(gMC->IsTrackEntering()){
735 position0 = position;
736 stat0 = vol[3];
737 } // end if IsEntering
738 // Fill hit structure with this new hit only for non-entrerance hits.
739 else new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->CurrentTrack(),vol,
740 gMC->Edep(),gMC->TrackTime(),position,
741 position0,momentum);
742 //
743 position0 = position;
744 stat0 = vol[3];
745
746 return;
747}
748