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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$Log$
18Revision 1.18 2002/12/03 09:03:06 hristov
19Changes needed on Itanium (F.Carminati)
20
21Revision 1.17 2002/10/22 14:45:41 alibrary
22Introducing Riostream.h
23
24Revision 1.16 2002/10/14 14:57:00 hristov
25Merging the VirtualMC branch to the main development branch (HEAD)
26
27Revision 1.14.6.1 2002/06/10 17:51:15 hristov
28Merged with v3-08-02
29
30Revision 1.15 2002/05/19 18:17:03 hristov
31Changes needed by ICC/IFC compiler (Intel)
32
33Revision 1.14 2001/11/19 16:17:03 nilsen
34Applyed fixes to bugs found by Rene Brun. With many thanks. Some additonal
35bugs found by Rene require more work to fix. Will be fixed soon.
36
37Revision 1.13 2001/10/12 22:07:20 nilsen
38A patch for C++ io manipulation functions so that they will work both
39with GNU gcc 2.96 and GNU gcc 3.01 compilers. Needs to be tested with
40other platforms.
41
42Revision 1.12 2001/08/24 21:06:37 nilsen
43Added more documentation, fixed up some coding violations, and some
44forward declorations.
45
46Revision 1.11 2001/05/16 08:17:49 hristov
47Bug fixed in the StepManager to account for the difference in the geometry tree for the ITS pixels. This fixes both the funny distribution of pixel coordinates and the missing hits/digits/points in many sectors of the ITS pixel barrel. Also included is a patch to properly get and use the detector dimensions through out the ITS code. (B.Nilsen)
48
49Revision 1.10 2001/02/09 00:00:57 nilsen
50Fixed compatibility problem with HP unix {ios::fmtflags -> Int_t}. Fixed
51bugs in iostream based streamers used to read and write .det files. Fixed
52some detector sizes. Fixed bugs in some default-special constructors.
53
54Revision 1.9 2001/02/03 00:00:30 nilsen
55New version of AliITSgeom and related files. Now uses automatic streamers,
56set up for new formatted .det file which includes detector information.
57Additional smaller modifications are still to come.
58
59Revision 1.8 2000/10/02 16:32:43 barbera
60Forward declaration added
61
62Revision 1.2.4.8 2000/10/02 15:53:49 barbera
63Forward declaration added
64
65Revision 1.7 2000/07/10 16:07:18 fca
66Release version of ITS code
67
68Revision 1.2.4.2 2000/03/04 23:55:59 nilsen
69Fixed up the comments/documentation
70
71Revision 1.2.4.1 2000/01/12 19:03:32 nilsen
72This is the version of the files after the merging done in December 1999.
73See the ReadMe110100.txt file for details
74
75Revision 1.2 1999/09/29 09:24:20 fca
76Introduction of the Copyright and cvs Log
77
78*/
79
80////////////////////////////////////////////////////////////////////////
81// This class is for the Silicon Strip Detector, SSD, specific geometry.
82// It is being replaced by AliITSsegmentationSSD class. This file also
83// constains classes derived from AliITSgeomSSD which do nothing but
84// initilize this one with predefined values.
85////////////////////////////////////////////////////////////////////////
86
87#include <Riostream.h>
88#include <stdlib.h>
89#include <TShape.h>
90#include <TBRIK.h>
91
92#include "AliITSgeomSSD.h"
93
94ClassImp(AliITSgeomSSD)
95
96
97AliITSgeomSSD::AliITSgeomSSD(){
98// Default constructor
99 fShapeSSD = 0;
100 fNp = 0;
101 fNn = 0;
102 fLowEdgeP = 0;
103 fLowEdgeN = 0;
104 fAngleP = 0.0;
105 fAngleN = 0.0;
106}
107//----------------------------------------------------------------------
108AliITSgeomSSD::AliITSgeomSSD(const Float_t *box,Float_t ap,Float_t an,
109 Int_t np,Float_t *p,Int_t nn,Float_t *n){
110////////////////////////////////////////////////////////////////////////
111// Standard Constructor. *box={dx,dy,dz}, ap=anode angle, an=cathode angle,
112// nn= number of cathodes+1,*n= array of cathode low edges+highest edge,
113// np= number of anodes+1, *p= array of anode low edges+lighest edge.
114///////////////////////////////////////////////////////////////////////
115 fShapeSSD = 0;
116 fNp = 0;
117 fNn = 0;
118 fLowEdgeP = 0;
119 fLowEdgeN = 0;
120 fAngleP = 0.0;
121 fAngleN = 0.0;
122 ResetSSD(box,ap,an,np,p,nn,n);
123}
124//----------------------------------------------------------------------
125void AliITSgeomSSD::ResetSSD(const Float_t *box,Float_t ap,Float_t an,
126 Int_t np,Float_t *p,Int_t nn,Float_t *n){
127////////////////////////////////////////////////////////////////////////
128// Standard Filler. *box={dx,dy,dz}, ap=anode angle, an=cathode angle,
129// nn= number of cathodes+1,*n= array of cathode low edges+highest edge,
130// np= number of anodes+1, *p= array of anode low edges+lighest edge.
131///////////////////////////////////////////////////////////////////////
132 Int_t i;
133
134 fShapeSSD = new TBRIK("ActiveSSD","Active volume of SSD","SSD SI DET",
135 box[0],box[1],box[2]);
136// if(fLowEdgeP!=0) delete fLowEdgeP;
137// if(fLowEdgeN!=0) delete fLowEdgeN;
138 fNp = np;
139 fNn = nn;
140 fAngleP = ap;
141 fAngleN = an;
142 fLowEdgeP = new Float_t[fNp];
143 fLowEdgeN = new Float_t[fNn];
144 for(i=0;i<fNp;i++) fLowEdgeP[i] = p[i];
145 for(i=0;i<fNn;i++) fLowEdgeN[i] = n[i];
146}
147//______________________________________________________________________
148AliITSgeomSSD::~AliITSgeomSSD(){
149 // Destructor.
150
151 if(fLowEdgeP) delete [] fLowEdgeP; fLowEdgeP = 0;
152 if(fLowEdgeN) delete [] fLowEdgeN; fLowEdgeN = 0;
153 if(fShapeSSD) delete fShapeSSD; fShapeSSD = 0;
154 fNp = 0;
155 fNn = 0;
156 fAngleP = 0.0;
157 fAngleN = 0.0;
158}
159AliITSgeomSSD::AliITSgeomSSD(const AliITSgeomSSD &source){
160////////////////////////////////////////////////////////////////////////
161// copy constructor
162////////////////////////////////////////////////////////////////////////
163 Int_t i;
164
165 if(this == &source) return;
166 this->fShapeSSD = new TBRIK(*(source.fShapeSSD));
167 this->fNp = source.fNp;
168 this->fNn = source.fNn;
169 delete fLowEdgeP;
170 delete fLowEdgeN;
171 this->fAngleP = source.fAngleP;
172 this->fAngleN = source.fAngleN;
173 fLowEdgeP = new Float_t[fNp];
174 fLowEdgeN = new Float_t[fNn];
175 for(i=0;i<fNp;i++) this->fLowEdgeP[i] = source.fLowEdgeP[i];
176 for(i=0;i<fNn;i++) this->fLowEdgeN[i] = source.fLowEdgeN[i];
177 return;
178}
179
180AliITSgeomSSD& AliITSgeomSSD::operator=(const AliITSgeomSSD &source) {
181////////////////////////////////////////////////////////////////////////
182// assignment operator
183////////////////////////////////////////////////////////////////////////
184 Int_t i;
185
186 if(this == &source) return *this;
187 this->fShapeSSD = new TBRIK(*(source.fShapeSSD));
188 this->fNp = source.fNp;
189 this->fNn = source.fNn;
190 delete fLowEdgeP;
191 delete fLowEdgeN;
192 this->fAngleP = source.fAngleP;
193 this->fAngleN = source.fAngleN;
194 fLowEdgeP = new Float_t[fNp];
195 fLowEdgeN = new Float_t[fNn];
196 for(i=0;i<fNp;i++) this->fLowEdgeP[i] = source.fLowEdgeP[i];
197 for(i=0;i<fNn;i++) this->fLowEdgeN[i] = source.fLowEdgeN[i];
198 return *this;
199}
200//______________________________________________________________________
201void AliITSgeomSSD::Local2Det(Float_t x,Float_t z,Int_t &a,Int_t &c){
202 // Given a GEANT detector local coordinate, cm, this function returns
203 // the detector specific P and N side strip numbers.
204 // Inputs are:
205 // Float_t x Geant detector local x coordinate in cm
206 // Float_t z Geant detector local z coordinate in cm
207 // outputs are:
208 // Int_t &a Detector anode strip number (P side)
209 // Int_t &c Detector cathode strip number (N side)
210 Float_t d,b;
211 Int_t i;
212
213 // project on to bonding edges.
214 d = x*TMath::Cos(fAngleP)+z*TMath::Sin(fAngleP);
215 b = x*TMath::Cos(fAngleN)+z*TMath::Sin(fAngleN);
216 if(d<fLowEdgeP[0]) i=-1;
217 else for(i=0;i<fNp;i++){
218 if(fLowEdgeP[i]<d) break;
219 } // end for i
220 a = i;
221 if(b<fLowEdgeN[0]) i=-1;
222 else for(i=0;i<fNn;i++){
223 if(fLowEdgeN[i]<b) break;
224 } // end for i
225 c = i;
226 return;
227}
228//______________________________________________________________________
229void AliITSgeomSSD::Det2Local(Int_t a,Int_t c,Float_t &x,Float_t &z){
230// Float_t d,b;
231// Int_t i;
232
233 return;
234}
235//______________________________________________________________________
236void AliITSgeomSSD::Print(ostream *os) const {
237////////////////////////////////////////////////////////////////////////
238// Standard output format for this class.
239////////////////////////////////////////////////////////////////////////
240 Int_t i;
241#if defined __GNUC__
242#if __GNUC__ > 2
243 ios::fmtflags fmt;
244#else
245 Int_t fmt;
246#endif
247#else
248#if defined __ICC || defined __ECC
249 ios::fmtflags fmt;
250#else
251 Int_t fmt;
252#endif
253#endif
254
255 fmt = os->setf(ios::scientific); // set scientific floating point output
256 *os << "TBRIK" << " ";
257 *os << setprecision(16) << GetDx() << " ";
258 *os << setprecision(16) << GetDy() << " ";
259 *os << setprecision(16) << GetDz() << " ";
260 *os << fNp << " " << fNn << " ";
261 *os << setprecision(16) << fAngleP << " ";
262 *os << setprecision(16) << fAngleN << " ";
263 for(i=0;i<fNp;i++) *os << setprecision(16) << fLowEdgeP[i] << " ";
264 for(i=0;i<fNn;i++) *os << setprecision(16) << fLowEdgeN[i] << " ";
265 *os << endl;
266 os->flags(fmt); // reset back to old formating.
267 return;
268}
269//______________________________________________________________________
270void AliITSgeomSSD::Read(istream *is){
271////////////////////////////////////////////////////////////////////////
272// Standard input format for this class.
273////////////////////////////////////////////////////////////////////////
274 Float_t dx,dy,dz;
275 Int_t i;
276 char shp[20];
277
278 *is >> shp;
279 *is >> dx >> dy >> dz;
280 if(fShapeSSD!=0) delete fShapeSSD;
281 fShapeSSD = new TBRIK("ActiveSSD","Active volume of SSD","SSD SI DET",
282 dx,dy,dz);
283 *is >> fNp >> fNn;
284 *is >> fAngleP >> fAngleN;
285 if(fLowEdgeP !=0) delete fLowEdgeP;
286 if(fLowEdgeN !=0) delete fLowEdgeN;
287 fLowEdgeP = new Float_t[fNp];
288 fLowEdgeN = new Float_t[fNn];
289 for(i=0;i<fNp;i++) *is >> fLowEdgeP[i];
290 for(i=0;i<fNn;i++) *is >> fLowEdgeN[i];
291 return;
292}
293//----------------------------------------------------------------------
294ostream &operator<<(ostream &os,AliITSgeomSSD &p){
295////////////////////////////////////////////////////////////////////////
296// Standard output streaming function.
297////////////////////////////////////////////////////////////////////////
298
299 p.Print(&os);
300 return os;
301}
302//----------------------------------------------------------------------
303istream &operator>>(istream &is,AliITSgeomSSD &r){
304////////////////////////////////////////////////////////////////////////
305// Standard input streaming function.
306////////////////////////////////////////////////////////////////////////
307
308 r.Read(&is);
309 return is;
310}
311//======================================================================
312/*
313$Log$
314Revision 1.18 2002/12/03 09:03:06 hristov
315Changes needed on Itanium (F.Carminati)
316
317Revision 1.17 2002/10/22 14:45:41 alibrary
318Introducing Riostream.h
319
320Revision 1.16 2002/10/14 14:57:00 hristov
321Merging the VirtualMC branch to the main development branch (HEAD)
322
323Revision 1.14.6.1 2002/06/10 17:51:15 hristov
324Merged with v3-08-02
325
326Revision 1.15 2002/05/19 18:17:03 hristov
327Changes needed by ICC/IFC compiler (Intel)
328
329Revision 1.14 2001/11/19 16:17:03 nilsen
330Applyed fixes to bugs found by Rene Brun. With many thanks. Some additonal
331bugs found by Rene require more work to fix. Will be fixed soon.
332
333Revision 1.13 2001/10/12 22:07:20 nilsen
334A patch for C++ io manipulation functions so that they will work both
335with GNU gcc 2.96 and GNU gcc 3.01 compilers. Needs to be tested with
336other platforms.
337
338Revision 1.12 2001/08/24 21:06:37 nilsen
339Added more documentation, fixed up some coding violations, and some
340forward declorations.
341
342Revision 1.11 2001/05/16 08:17:49 hristov
343Bug fixed in the StepManager to account for the difference in the geometry tree for the ITS pixels. This fixes both the funny distribution of pixel coordinates and the missing hits/digits/points in many sectors of the ITS pixel barrel. Also included is a patch to properly get and use the detector dimensions through out the ITS code. (B.Nilsen)
344
345Revision 1.10 2001/02/09 00:00:57 nilsen
346Fixed compatibility problem with HP unix {ios::fmtflags -> Int_t}. Fixed
347bugs in iostream based streamers used to read and write .det files. Fixed
348some detector sizes. Fixed bugs in some default-special constructors.
349
350Revision 1.9 2001/02/03 00:00:30 nilsen
351New version of AliITSgeom and related files. Now uses automatic streamers,
352set up for new formatted .det file which includes detector information.
353Additional smaller modifications are still to come.
354
355*/
356
357//#include "AliITSgeomSSD175.h"
358
359ClassImp(AliITSgeomSSD175)
360
361AliITSgeomSSD175::AliITSgeomSSD175() : AliITSgeomSSD(){
362////////////////////////////////////////////////////////////////////////
363// default constructor
364////////////////////////////////////////////////////////////////////////
365 const Float_t kDxyz[] ={3.6500,0.0150,2.000};//cm. (Geant 3.12 units)
366 // Size of sensitive detector area x,y(thickness),z
367 const Float_t kangle = 0.0175; // angle in rad. of anode and cathodes
368 const Float_t kpitch = 0.0095;// cm anode separation.
369 const Int_t kNstrips = 768; // number of anode or cathode strips.
370 Float_t *leA,*leC; // array of low edges anode and cathorde.
371 Int_t i;
372
373 leA = new Float_t[kNstrips+1];
374 leC = new Float_t[kNstrips+1];
375 leA[0] = -kDxyz[0];
376 leA[1] = -kpitch*(0.5*kNstrips-1);
377 leC[0] = kDxyz[0];
378 leC[1] = kpitch*(0.5*kNstrips-1);
379 for(i=1;i<kNstrips;i++){
380 leA[i+1] = leA[i] + kpitch;
381 leC[i+1] = leC[i] - kpitch;
382 } // end for i
383 leA[kNstrips] = kDxyz[0];
384 leC[kNstrips] = -kDxyz[0];
385// cout << "AliITSgeomSSD175 default creator called: start" << endl;
386 AliITSgeomSSD::ResetSSD(kDxyz,kangle,-kangle,
387 kNstrips+1,leA,kNstrips+1,leC);
388 delete leA;
389 delete leC;
390// cout << "AliITSgeomSSD175 default creator called: end" << endl;
391}
392//________________________________________________________________________
393ostream &operator<<(ostream &os,AliITSgeomSSD175 &p){
394////////////////////////////////////////////////////////////////////////
395// Standard output streaming function.
396////////////////////////////////////////////////////////////////////////
397
398 p.Print(&os);
399 return os;
400}
401//----------------------------------------------------------------------
402istream &operator>>(istream &is,AliITSgeomSSD175 &r){
403////////////////////////////////////////////////////////////////////////
404// Standard input streaming function.
405////////////////////////////////////////////////////////////////////////
406
407 r.Read(&is);
408 return is;
409}
410//======================================================================
411/*
412$Log$
413Revision 1.18 2002/12/03 09:03:06 hristov
414Changes needed on Itanium (F.Carminati)
415
416Revision 1.17 2002/10/22 14:45:41 alibrary
417Introducing Riostream.h
418
419Revision 1.16 2002/10/14 14:57:00 hristov
420Merging the VirtualMC branch to the main development branch (HEAD)
421
422Revision 1.14.6.1 2002/06/10 17:51:15 hristov
423Merged with v3-08-02
424
425Revision 1.15 2002/05/19 18:17:03 hristov
426Changes needed by ICC/IFC compiler (Intel)
427
428Revision 1.14 2001/11/19 16:17:03 nilsen
429Applyed fixes to bugs found by Rene Brun. With many thanks. Some additonal
430bugs found by Rene require more work to fix. Will be fixed soon.
431
432Revision 1.13 2001/10/12 22:07:20 nilsen
433A patch for C++ io manipulation functions so that they will work both
434with GNU gcc 2.96 and GNU gcc 3.01 compilers. Needs to be tested with
435other platforms.
436
437Revision 1.12 2001/08/24 21:06:37 nilsen
438Added more documentation, fixed up some coding violations, and some
439forward declorations.
440
441Revision 1.11 2001/05/16 08:17:49 hristov
442Bug fixed in the StepManager to account for the difference in the geometry tree for the ITS pixels. This fixes both the funny distribution of pixel coordinates and the missing hits/digits/points in many sectors of the ITS pixel barrel. Also included is a patch to properly get and use the detector dimensions through out the ITS code. (B.Nilsen)
443
444Revision 1.10 2001/02/09 00:00:57 nilsen
445Fixed compatibility problem with HP unix {ios::fmtflags -> Int_t}. Fixed
446bugs in iostream based streamers used to read and write .det files. Fixed
447some detector sizes. Fixed bugs in some default-special constructors.
448
449Revision 1.9 2001/02/03 00:00:30 nilsen
450New version of AliITSgeom and related files. Now uses automatic streamers,
451set up for new formatted .det file which includes detector information.
452Additional smaller modifications are still to come.
453
454*/
455
456//#include "AliITSgeomSSD275and75.h"
457
458ClassImp(AliITSgeomSSD275and75)
459
460AliITSgeomSSD275and75::AliITSgeomSSD275and75() : AliITSgeomSSD(){
461////////////////////////////////////////////////////////////////////////
462// default constructor
463////////////////////////////////////////////////////////////////////////
464}
465//----------------------------------------------------------------------
466AliITSgeomSSD275and75::AliITSgeomSSD275and75(Int_t npar,Float_t *par) :
467 AliITSgeomSSD(){
468 // Default constructor for AliITSgeomSSD with strip angles of
469 // 275 miliradians and 75 miliradians. This constructor initlizes
470 // AliITSgeomSSD with the correct values. This is the miror image
471 // of the AliITSgeomSSD75and275 class.
472 const Float_t kDxyz[] ={3.6500,0.0150,2.000};//cm. (Geant 3.12 units)
473 // Size of sensitive detector area x,y(thickness),z
474 const Float_t kangleA = 0.0275; // angle in rad. of anode and cathodes
475 const Float_t kangleC = 0.0075; // angle in rad. of anode and cathodes
476 const Float_t kpitch = 0.0095;// cm anode separation.
477 const Int_t kNstrips = 768; // number of anode or cathode strips.
478 Float_t *leA,*leC; // array of low edges anode and cathorde.
479 Int_t i;
480
481 leA = new Float_t[kNstrips+1];
482 leC = new Float_t[kNstrips+1];
483 leA[0] = -kDxyz[0];
484 leA[1] = -kpitch*(0.5*kNstrips-1);
485 leC[0] = kDxyz[0];
486 leC[1] = kpitch*(0.5*kNstrips-1);
487 for(i=1;i<kNstrips;i++){
488 leA[i+1] = leA[i] + kpitch;
489 leC[i+1] = leC[i] - kpitch;
490 } // end for i
491 leA[kNstrips] = kDxyz[0];
492 leC[kNstrips] = -kDxyz[0];
493// cout << "AliITSgeomSSD275and75 default creator called: start" << endl;
494 AliITSgeomSSD::ResetSSD(par,kangleA,kangleC,
495 kNstrips+1,leA,kNstrips+1,leC);
496 delete [] leA;
497 delete [] leC;
498// cout << "AliITSgeomSSD275and75 default creator called: end" << endl;
499}
500//________________________________________________________________________
501ostream &operator<<(ostream &os,AliITSgeomSSD275and75 &p){
502////////////////////////////////////////////////////////////////////////
503// Standard output streaming function.
504////////////////////////////////////////////////////////////////////////
505
506 p.Print(&os);
507 return os;
508}
509//----------------------------------------------------------------------
510istream &operator>>(istream &is,AliITSgeomSSD275and75 &r){
511////////////////////////////////////////////////////////////////////////
512// Standard input streaming function.
513////////////////////////////////////////////////////////////////////////
514
515 r.Read(&is);
516 return is;
517}
518//======================================================================
519/*
520$Log$
521Revision 1.18 2002/12/03 09:03:06 hristov
522Changes needed on Itanium (F.Carminati)
523
524Revision 1.17 2002/10/22 14:45:41 alibrary
525Introducing Riostream.h
526
527Revision 1.16 2002/10/14 14:57:00 hristov
528Merging the VirtualMC branch to the main development branch (HEAD)
529
530Revision 1.14.6.1 2002/06/10 17:51:15 hristov
531Merged with v3-08-02
532
533Revision 1.15 2002/05/19 18:17:03 hristov
534Changes needed by ICC/IFC compiler (Intel)
535
536Revision 1.14 2001/11/19 16:17:03 nilsen
537Applyed fixes to bugs found by Rene Brun. With many thanks. Some additonal
538bugs found by Rene require more work to fix. Will be fixed soon.
539
540Revision 1.13 2001/10/12 22:07:20 nilsen
541A patch for C++ io manipulation functions so that they will work both
542with GNU gcc 2.96 and GNU gcc 3.01 compilers. Needs to be tested with
543other platforms.
544
545Revision 1.12 2001/08/24 21:06:37 nilsen
546Added more documentation, fixed up some coding violations, and some
547forward declorations.
548
549Revision 1.11 2001/05/16 08:17:49 hristov
550Bug fixed in the StepManager to account for the difference in the geometry tree for the ITS pixels. This fixes both the funny distribution of pixel coordinates and the missing hits/digits/points in many sectors of the ITS pixel barrel. Also included is a patch to properly get and use the detector dimensions through out the ITS code. (B.Nilsen)
551
552Revision 1.10 2001/02/09 00:00:57 nilsen
553Fixed compatibility problem with HP unix {ios::fmtflags -> Int_t}. Fixed
554bugs in iostream based streamers used to read and write .det files. Fixed
555some detector sizes. Fixed bugs in some default-special constructors.
556
557Revision 1.9 2001/02/03 00:00:30 nilsen
558New version of AliITSgeom and related files. Now uses automatic streamers,
559set up for new formatted .det file which includes detector information.
560Additional smaller modifications are still to come.
561
562*/
563//#include "AliITSgeomSSD75and275.h"
564
565ClassImp(AliITSgeomSSD75and275)
566
567AliITSgeomSSD75and275::AliITSgeomSSD75and275() : AliITSgeomSSD(){
568////////////////////////////////////////////////////////////////////////
569// default constructor
570////////////////////////////////////////////////////////////////////////
571}
572AliITSgeomSSD75and275::AliITSgeomSSD75and275(Int_t npar,Float_t *par) :
573 AliITSgeomSSD(){
574 // Default constructor for AliITSgeomSSD with strip angles of
575 // 75 miliradians and 275 miliradians. This constructor initlizes
576 // AliITSgeomSSD with the correct values. This is the miror image
577 // of the AliITSgeomSSD275and75 class.
578 const Float_t kDxyz[] ={3.6500,0.0150,2.000};//cm. (Geant 3.12 units)
579 // Size of sensitive detector area x,y(thickness),z
580 const Float_t kangleA = 0.0075; // angle in rad. of anode and cathodes
581 const Float_t kangleC = 0.0275; // angle in rad. of anode and cathodes
582 const Float_t kpitch = 0.0095;// cm anode separation.
583 const Int_t kNstrips = 768; // number of anode or cathode strips.
584 Float_t *leA,*leC; // array of low edges anode and cathorde.
585 Int_t i;
586
587 leA = new Float_t[kNstrips+1];
588 leC = new Float_t[kNstrips+1];
589 leA[0] = -kDxyz[0];
590 leA[1] = -kpitch*(0.5*kNstrips-1);
591 leC[0] = kDxyz[0];
592 leC[1] = kpitch*(0.5*kNstrips-1);
593 for(i=1;i<kNstrips;i++){
594 leA[i+1] = leA[i] + kpitch;
595 leC[i+1] = leC[i] - kpitch;
596 } // end for i
597 leA[kNstrips] = kDxyz[0];
598 leC[kNstrips] = -kDxyz[0];
599// cout << "AliITSgeomSSD275and75 default creator called: start" << endl;
600 AliITSgeomSSD::ResetSSD(par,kangleA,kangleC,
601 kNstrips+1,leA,kNstrips+1,leC);
602 delete leA;
603 delete leC;
604// cout << "AliITSgeomSSD275and75 default creator called: end" << endl;
605}
606//________________________________________________________________________
607ostream &operator<<(ostream &os,AliITSgeomSSD75and275 &p){
608////////////////////////////////////////////////////////////////////////
609// Standard output streaming function.
610////////////////////////////////////////////////////////////////////////
611
612 p.Print(&os);
613 return os;
614}
615//----------------------------------------------------------------------
616istream &operator>>(istream &is,AliITSgeomSSD75and275 &r){
617////////////////////////////////////////////////////////////////////////
618// Standard input streaming function.
619////////////////////////////////////////////////////////////////////////
620
621 r.Read(&is);
622 return is;
623}
624//======================================================================