Adding new SPD 2002 test-beam geometry, with Config file (setup for testing,
[u/mrichter/AliRoot.git] / ITS / AliITSvSPD02.cxx
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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$Log$
18*/
19#include <Riostream.h>
20#include <stdio.h>
21#include <stdlib.h>
22#include <TMath.h>
23#include <TGeometry.h>
24#include <TNode.h>
25#include <TTUBE.h>
26#include <TTUBS.h>
27#include <TPCON.h>
28#include <TFile.h> // only required for Tracking function?
29#include <TCanvas.h>
30#include <TObjArray.h>
31#include <TLorentzVector.h>
32#include <TObjString.h>
33#include <TClonesArray.h>
34#include <TBRIK.h>
35#include <TSystem.h>
36
37#include "AliRun.h"
38#include "AliMagF.h"
39#include "AliConst.h"
40#include "AliITSGeant3Geometry.h"
41#include "AliTrackReference.h"
42#include "AliITShit.h"
43#include "AliITS.h"
44#include "AliITSvSPD02.h"
45#include "AliITSgeom.h"
46#include "AliITSgeomSPD.h"
47#include "AliITSgeomSDD.h"
48#include "AliITSgeomSSD.h"
49#include "AliITSDetType.h"
50#include "AliITSresponseSPD.h"
51#include "AliITSresponseSDD.h"
52#include "AliITSresponseSSD.h"
53#include "AliITSsegmentationSPD.h"
54#include "AliITSsegmentationSDD.h"
55#include "AliITSsegmentationSSD.h"
56#include "AliITSsimulationSPD.h"
57#include "AliITSsimulationSDD.h"
58#include "AliITSsimulationSSD.h"
59#include "AliITSClusterFinderSPD.h"
60#include "AliITSClusterFinderSDD.h"
61#include "AliITSClusterFinderSSD.h"
62
63
64ClassImp(AliITSvSPD02)
65
66//______________________________________________________________________
67AliITSvSPD02::AliITSvSPD02() {
68 ////////////////////////////////////////////////////////////////////////
69 // Standard default constructor for the ITS SPD test beam 2002 version 1.
70 // Inputs:
71 // none.
72 // Outputs:
73 // none.
74 // Return:
75 // A default created class.
76 ////////////////////////////////////////////////////////////////////////
77 Int_t i;
78
79 fIdN = 0;
80 fIdName = 0;
81 fIdSens = 0;
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();
86 fMinorVersion = -1;
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';
90}
91//______________________________________________________________________
92AliITSvSPD02::AliITSvSPD02(const char *title) : AliITS("ITS", title){
93 ////////////////////////////////////////////////////////////////////////
94 // Standard constructor for the ITS SPD testbeam 2002 version 1.
95 // Inputs:
96 // const char *title title for this ITS geometry.
97 // Outputs:
98 // none.
99 // Return:
100 // A standard created class.
101 ////////////////////////////////////////////////////////////////////////
102 Int_t i;
103
104 fIdN = 2;
105 fIdName = new TString[fIdN];
106 fIdName[0] = "IMBS";
107 fIdName[1] = "ITST";
108 fIdSens = new Int_t[fIdN];
109 for(i=0;i<fIdN;i++) fIdSens[i] = 0;
110 fMajorVersion = IsVersion();
111 fMinorVersion = 2;
112 fEuclidOut = kFALSE; // Don't write Euclide file
113 fGeomDetOut = kFALSE; // Don't write .det file
114 fGeomDetIn = kFALSE; // Don't Read .det file
115 SetThicknessDet1();
116 SetThicknessDet2();
117 SetThicknessChip1();
118 SetThicknessChip2();
119
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);
124}
125//______________________________________________________________________
126AliITSvSPD02::AliITSvSPD02(const AliITSvSPD02 &source){
127 ////////////////////////////////////////////////////////////////////////
128 // Copy Constructor for ITS SPD test beam 2002 version 1.
129 // This class is not to be copied. Function only dummy.
130 // Inputs:
131 // const AliITSvSPD02 &source The class to be copied
132 // Outputs:
133 // none.
134 // Return:
135 // A warning message.
136 ////////////////////////////////////////////////////////////////////////
137 if(&source == this) return;
138 Warning("Copy Constructor","Not allowed to copy AliITSvSPD02");
139 return;
140}
141//______________________________________________________________________
142AliITSvSPD02& 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.
146 // Inputs:
147 // const AliITSvSPD02 &source The class to be copied
148 // Outputs:
149 // none.
150 // Return:
151 // A Warning message
152 ////////////////////////////////////////////////////////////////////////
153 if(&source == this) return *this;
154 Warning("= operator","Not allowed to copy AliITSvSPD02");
155 return *this;
156}
157//______________________________________________________________________
158AliITSvSPD02::~AliITSvSPD02() {
159 ////////////////////////////////////////////////////////////////////////
160 // Standard destructor for the ITS SPD test beam 2002 version 1.
161 // Inputs:
162 // none.
163 // Outputs:
164 // none.
165 // Return:
166 // none.
167 ////////////////////////////////////////////////////////////////////////
168}
169//______________________________________________________________________
170void 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.
183 // Inputs:
184 // none.
185 // Outputs:
186 // none.
187 // Return:
188 // none.
189 ////////////////////////////////////////////////////////////////////////
190 // Get the top alice volume.
191 TNode *ALIC = gAlice->GetGeometry()->GetNode("alice");
192 ALIC->cd();
193
194 // Define ITS Mother Volume
195 Float_t data[3];
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);
201 data[0] = 10.0;
202 data[1] = 50.0;
203 data[2] = 100.0;
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,
207 0.0,0.0,0.0,0,0);
208 ITSV->cd(); // set ourselve into ITSV subvolume of ALIC
209
210 // SPD part of telescope (MiniBuS)
211 data[0] = 0.705;
212 data[1] = 0.5*ddettelescope;
213 data[2] = 3.536;
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]);
233
234 // SPD under test
235 Float_t spdX,spdY,spdZ,spdchipX,spdchipY,spdchipZ;
236 data[0] = 0.705;
237 data[1] = ddettest;
238 data[2] = 3.536;
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
258 Int_t i,j;
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};
261 pz[1] = pz[0]+2.0;
262 pz[2] = pz[1]+38.0+spdY+spdchipY+34.5;
263 pz[3] = pz[2]+2.0;
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);
267 IDET->cd();
268 TNode *ITS0 = new TNode("ITS0","SPD Chip",ITS0shape,
269 0.0,IDETshape->GetDy()-spdY,0.0,0,0);
270 TNode *IPC0[5];
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);
274 j = i-2;
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);
278 } // end for i
279 ITS0->cd();
280 TNode *ITST = new TNode("ITST","SPD sensitive volume",ITSTshape,
281 0.0,0.0,0.0,0,0);
282 for(Int_t i=0;i<4;i++){
283 ITSV->cd();
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);
287 ITEL[i]->cd();
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);
292 IMB0[i]->cd();
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.
295 } // end for i
296 ALIC->cd();
297 ITST->SetLineColor(kYellow);
298 fNodes->Add(ITST);
299 for(i=0;i<4;i++){
300 IMBS[i]->SetLineColor(kGreen);
301 fNodes->Add(IMBS[i]);
302 } // end for i
303}
304//______________________________________________________________________
305void 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.
318 // Inputs:
319 // none.
320 // Outputs:
321 // none.
322 // Return:
323 // none.
324 ////////////////////////////////////////////////////////////////////////
325 Float_t data[49];
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;
332
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);
336 data[0] = 10.0;
337 data[1] = 50.0;
338 data[2] = 100.0;
339 gMC->Gsvolu("ITSV","BOX",idtmed[0],data,3);
340 gMC->Gspos("ITSV",1,"ALIC",0.0,0.0,0.0,0,"ONLY");
341
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
350 data[0] = 0.64;
351 data[1] = 0.5*ddettelescope;
352 data[2] = 3.48;
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");
367
368 // SPD under test
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
374 data[0] = 0.64;
375 data[1] = 0.5*ddettest;
376 data[2] = 3.48;
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");
391
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;
394 p00X = 0.0;
395 p00Y = 0.0;
396 p00Z = -38.0;
397 gMC->Gspos("ITEL",1,"ITSV",p00X,p00Y,p00Z,idrotm[0],"ONLY");
398 p01X = 0.0;
399 p01Y = 0.0;
400 p01Z = p00Z+2.0;
401 gMC->Gspos("ITEL",2,"ITSV",p01X,p01Y,p01Z,idrotm[0],"ONLY");
402 Float_t pdetX,pdetY,pdetZ;
403 pdetX = 0.0;
404 pdetY = 0.0+yposition;
405 pdetZ = p01Z+38.0;
406 gMC->Gspos("IDET",1,"ITSV",pdetX,pdetY,pdetZ,idrotm[0],"ONLY");
407 p10X = 0.0;
408 p10Y = 0.0;
409 p10Z = pdetZ + 34.5;
410 gMC->Gspos("ITEL",3,"ITSV",p10X,p10Y,p10Z,idrotm[0],"ONLY");
411 p11X = 0.0;
412 p11Y = 0.0;
413 p11Z = p10Z+2.0;
414 gMC->Gspos("ITEL",4,"ITSV",p11X,p11Y,p11Z,idrotm[0],"ONLY");
415}
416//______________________________________________________________________
417void AliITSvSPD02::CreateMaterials(){
418 ////////////////////////////////////////////////////////////////////////
419 //
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,
423 // AliITSvSPD02.
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.
429 //
430 // Inputs:
431 // none.
432 // Outputs:
433 // none.
434 // Return:
435 // none.
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"
442
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();
450
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,
454 epsilAir,stminAir);
455
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,
459 epsilSi,stminSi);
460}
461//______________________________________________________________________
462void 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
465 // sturture.
466 // Inputs:
467 // none.
468 // Outputs:
469 // none.
470 // Return:
471 // none.
472 if(strcmp(gMC->GetName(),"TGeant3")) {
473 Error("InitAliITSgeom",
474 "Wrong Monte Carlo. InitAliITSgeom uses TGeant3 calls");
475 return;
476 } // end if
477 cout << "Reading Geometry transformation directly from Geant 3." << endl;
478 const Int_t nlayers = 2;
479 const Int_t ndeep = 5;
480 Int_t itsGeomTreeNames[nlayers][ndeep],lnam[20],lnum[20];
481 Int_t nlad[nlayers],ndet[nlayers];
482 Double_t t[3],r[10];
483 Float_t par[20],att[20];
484 Int_t npar,natt,idshape,imat,imed;
485 AliITSGeant3Geometry *ig = new AliITSGeant3Geometry();
486 Int_t mod,lay,lad,det,i,j,k;
487 Char_t names[nlayers][ndeep][4];
488 Int_t itsGeomTreeCopys[nlayers][ndeep];
489 Char_t *namesA[nlayers][ndeep] = {
490 {"ALIC","ITSV","ITEL","IMB0","IMBS"}, // lay=1
491 {"ALIC","ITSV","IDET","ITS0","ITST"}};// Test SPD
492 Int_t itsGeomTreeCopysA[nlayers][ndeep]= {{1,1,4,1,1},// lay=1
493 {1,1,1,1,1}};//lay=2 TestSPD
494 for(i=0;i<nlayers;i++)for(j=0;j<ndeep;j++){
495 for(k=0;k<4;k++) names[i][j][k] = namesA[i][j][k];
496 itsGeomTreeCopys[i][j] = itsGeomTreeCopysA[i][j];
497 } // end for i,j
498 // Sorry, but this is not very pritty code. It should be replaced
499 // at some point with a version that can search through the geometry
500 // tree its self.
501 cout << "Reading Geometry informaton from Geant3 common blocks" << endl;
502 for(i=0;i<20;i++) lnam[i] = lnum[i] = 0;
503 for(i=0;i<nlayers;i++)for(j=0;j<ndeep;j++)
504 itsGeomTreeNames[i][j] = ig->StringToInt(names[i][j]);
505 mod = 0;
506 for(i=0;i<nlayers;i++){
507 k = 1;
508 for(j=0;j<ndeep;j++) if(itsGeomTreeCopys[i][j]!=0)
509 k *= TMath::Abs(itsGeomTreeCopys[i][j]);
510 mod += k;
511 } // end for i
512
513 if(fITSgeom!=0) delete fITSgeom;
514 nlad[0]=20;nlad[1]=40;nlad[2]=14;nlad[3]=22;nlad[4]=34;nlad[5]=38;
515 ndet[0]=4;ndet[1]=4;ndet[2]=6;ndet[3]=8;ndet[4]=22;ndet[5]=25;
516 fITSgeom = new AliITSgeom(0,6,nlad,ndet,mod);
517 mod = -1;
518 for(lay=1;lay<=nlayers;lay++){
519 for(j=0;j<ndeep;j++) lnam[j] = itsGeomTreeNames[lay-1][j];
520 for(j=0;j<ndeep;j++) lnum[j] = itsGeomTreeCopys[lay-1][j];
521 switch (lay){
522 case 1: case 2: // layers 1 and 2 are a bit special
523 lad = 0;
524 for(j=1;j<=itsGeomTreeCopys[lay-1][4];j++){
525 lnum[4] = j;
526 for(k=1;k<=itsGeomTreeCopys[lay-1][5];k++){
527 lad++;
528 lnum[5] = k;
529 for(det=1;det<=itsGeomTreeCopys[lay-1][6];det++){
530 lnum[6] = det;
531 mod++;
532 ig->GetGeometry(ndeep,lnam,lnum,t,r,idshape,npar,natt,
533 par,att,imat,imed);
534 fITSgeom->CreatMatrix(mod,lay,lad,det,kSPD,t,r);
535 if(!(fITSgeom->IsShapeDefined((Int_t)kSPD)))
536 fITSgeom->ReSetShape(kSPD,
537 new AliITSgeomSPD425Short(npar,par));
538 } // end for det
539 } // end for k
540 } // end for j
541 break;
542 } // end switch
543 } // end for lay
544 return;
545}
546//______________________________________________________________________
547void AliITSvSPD02::Init(){
548 ////////////////////////////////////////////////////////////////////////
549 // Initialise the ITS after it has been created.
550 // Inputs:
551 // none.
552 // Outputs:
553 // none.
554 // Return:
555 // none.
556 ////////////////////////////////////////////////////////////////////////
557 Int_t i;
558
559 cout << endl;
560 for(i=0;i<26;i++) cout << "*";
561 cout << " ITSvSPD02" << fMinorVersion << "_Init ";
562 for(i=0;i<25;i++) cout << "*";cout << endl;
563//
564 if(fRead[0]=='\0') strncpy(fRead,fEuclidGeomDet,60);
565 if(fWrite[0]=='\0') strncpy(fWrite,fEuclidGeomDet,60);
566 if(fITSgeom!=0) delete fITSgeom;
567 fITSgeom = new AliITSgeom();
568 if(fGeomDetIn) fITSgeom->ReadNewFile(fRead);
569 if(!fGeomDetIn) this->InitAliITSgeom();
570 if(fGeomDetOut) fITSgeom->WriteNewFile(fWrite);
571 AliITS::Init();
572//
573 for(i=0;i<72;i++) cout << "*";
574 cout << endl;
575 fIDMother = gMC->VolId("ITSV"); // ITS Mother Volume ID.
576}
577//______________________________________________________________________
578void AliITSvSPD02::SetDefaults(){
579 // sets the default segmentation, response, digit and raw cluster classes
580 // Inputs:
581 // none.
582 // Outputs:
583 // none.
584 // Return:
585 // none.
586 const Float_t kconv = 1.0e+04; // convert cm to microns
587
588 Info("SetDefaults","Setting up only SPD detector");
589
590 AliITSDetType *iDetType;
591 AliITSgeomSPD *s0;
592 Int_t i;
593 Float_t bx[256],bz[280];
594
595 //SPD
596 iDetType=DetType(kSPD);
597 s0 = (AliITSgeomSPD*) fITSgeom->GetShape(kSPD);// Get shape info. Do it this way for now.
598 AliITSresponse *resp0=new AliITSresponseSPD();
599 SetResponseModel(kSPD,resp0);
600 AliITSsegmentationSPD *seg0=new AliITSsegmentationSPD(fITSgeom);
601 seg0->SetDetSize(s0->GetDx()*2.*kconv, // base this on AliITSgeomSPD
602 s0->GetDz()*2.*kconv, // for now.
603 s0->GetDy()*2.*kconv); // x,z,y full width in microns.
604 seg0->SetNPads(256,160);// Number of Bins in x and z
605 for(i=000;i<256;i++) bx[i] = 50.0; // in x all are 50 microns.
606 for(i=000;i<160;i++) bz[i] = 425.0; // most are 425 microns except below
607 for(i=160;i<280;i++) bz[i] = 0.0; // Outside of detector.
608 bz[ 31] = bz[ 32] = 625.0; // first chip boundry
609 bz[ 63] = bz[ 64] = 625.0; // first chip boundry
610 bz[ 95] = bz[ 96] = 625.0; // first chip boundry
611 bz[127] = bz[128] = 625.0; // first chip boundry
612 bz[160] = 425.0; // Set so that there is no zero pixel size for fNz.
613 seg0->SetBinSize(bx,bz); // Based on AliITSgeomSPD for now.
614 SetSegmentationModel(kSPD,seg0);
615 // set digit and raw cluster classes to be used
616 const char *kData0=(iDetType->GetResponseModel())->DataType();
617 if (strstr(kData0,"real")) iDetType->ClassNames("AliITSdigit",
618 "AliITSRawClusterSPD");
619 else iDetType->ClassNames("AliITSdigitSPD","AliITSRawClusterSPD");
620// SetSimulationModel(kSPD,new AliITSsimulationSPD(seg0,resp0));
621// iDetType->ReconstructionModel(new AliITSClusterFinderSPD());
622
623 if(kNTYPES>3){
624 Warning("SetDefaults",
625 "Only the four basic detector types are initialised!");
626 }// end if
627 return;
628}
629//______________________________________________________________________
630void AliITSvSPD02::DrawModule(){
631 ////////////////////////////////////////////////////////////////////////
632 // Draw a shaded view of the ITS SPD test beam version 1.
633 // Inputs:
634 // none.
635 // Outputs:
636 // none.
637 // Return:
638 // none.
639 ////////////////////////////////////////////////////////////////////////
640 // Set everything unseen
641 gMC->Gsatt("*", "seen", -1);
642 // Set ALIC mother visible
643 gMC->Gsatt("ALIC","SEEN",0);
644 // Set ALIC ITS visible
645 gMC->Gsatt("ITSV","SEEN",0);
646 // Set ALIC Telescopes visible
647 gMC->Gsatt("ITEL","SEEN",0);
648 // Set ALIC detetcor visible
649 gMC->Gsatt("IDET","SEEN",0);
650 // Set Detector chip mother visible and drawn
651 gMC->Gsatt("IPC0","SEEN",1);
652 // Set Detector mother visible and drawn
653 gMC->Gsatt("ITS0","SEEN",1);
654 // Set minibus chip mother visible and drawn
655 gMC->Gsatt("ICMB","SEEN",1);
656 // Set minibus mother visible and drawn
657 gMC->Gsatt("IMB0","SEEN",1);
658}
659//______________________________________________________________________
660void AliITSvSPD02::StepManager(){
661 ////////////////////////////////////////////////////////////////////////
662 // Called for every step in the ITS SPD test beam, then calles the
663 // AliITShit class creator with the information to be recoreded about
664 // that hit.
665 // The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
666 // printing of information to a file which can be used to create a .det
667 // file read in by the routine CreateGeometry(). If set to 0 or any other
668 // value except 1, the default behavior, then no such file is created nor
669 // it the extra variables and the like used in the printing allocated.
670 // Inputs:
671 // none.
672 // Outputs:
673 // none.
674 // Return:
675 // none.
676 ////////////////////////////////////////////////////////////////////////
677 Int_t copy, id;
678 TLorentzVector position, momentum;
679 static TLorentzVector position0;
680 static Int_t stat0=0;
681 if((id=gMC->CurrentVolID(copy) == fIDMother)&&
682 (gMC->IsTrackEntering()||gMC->IsTrackExiting())){
683 gMC->TrackPosition(position); // Get Position
684 gMC->TrackMomentum(momentum); // Get Momentum
685 copy = fTrackReferences->GetEntriesFast();
686 TClonesArray &lTR = *fTrackReferences;
687 // Fill TrackReference structure with this new TrackReference.
688 AliTrackReference *tr = new(lTR[copy]) AliTrackReference();
689 tr->SetTrack(gAlice->CurrentTrack());
690 tr->SetPosition(position.X(),position.Y(),position.Z());
691 tr->SetMomentum(momentum.Px(),momentum.Py(),momentum.Pz());
692 tr->SetLength(gMC->TrackLength());
693 } // if Outer ITS mother Volume
694 if(!(this->IsActive())){
695 return;
696 } // end if !Active volume.
697 Int_t vol[5];
698 TClonesArray &lhits = *fHits;
699 //
700 // Track status
701 vol[3] = 0;
702 vol[4] = 0;
703 if(gMC->IsTrackInside()) vol[3] += 1;
704 if(gMC->IsTrackEntering()) vol[3] += 2;
705 if(gMC->IsTrackExiting()) vol[3] += 4;
706 if(gMC->IsTrackOut()) vol[3] += 8;
707 if(gMC->IsTrackDisappeared()) vol[3] += 16;
708 if(gMC->IsTrackStop()) vol[3] += 32;
709 if(gMC->IsTrackAlive()) vol[3] += 64;
710 //
711 // Fill hit structure.
712 if(!(gMC->TrackCharge())) return;
713 id = gMC->CurrentVolID(copy);
714 if(id==fIdSens[0]){
715 vol[0] = vol[1] = 1; // Layer, ladder
716 id = gMC->CurrentVolOffID(2,copy);
717 //detector copy in the ladder = 1<->4 (ITS1 < I101 < I103 < I10A)
718 vol[2] = copy; // detector
719 } else if(id == fIdSens[1]){
720 vol[0] = 1; // layer
721 vol[1] = 2; // ladder
722 id = gMC->CurrentVolOffID(2,copy);
723 //detector copy in the ladder = 1<->4 (ITS2 < I1D1 < I1D3 < I20A)
724 vol[2] = copy; // detector
725 } else return; // end if
726 //
727 gMC->TrackPosition(position);
728 gMC->TrackMomentum(momentum);
729 vol[4] = stat0;
730 if(gMC->IsTrackEntering()){
731 position0 = position;
732 stat0 = vol[3];
733 } // end if IsEntering
734 // Fill hit structure with this new hit only for non-entrerance hits.
735 else new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->CurrentTrack(),vol,
736 gMC->Edep(),gMC->TrackTime(),position,
737 position0,momentum);
738 //
739 position0 = position;
740 stat0 = vol[3];
741
742 return;
743}
744