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New macro "MUONreco.C" for using the event reconstruction package in C++
[u/mrichter/AliRoot.git] / TPC / AliTPCParam.cxx
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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 1.7.8.2 2000/04/10 08:44:51 kowal2
19
20New transformations added
21Different pad and pad-rows geometries for different sectors
22
23Revision 1.7.8.1 2000/04/10 07:56:53 kowal2
24Not used anymore - removed
25
26Revision 1.7 1999/10/08 13:10:35 fca
27Values in SetDefault are in radiants
28
29Revision 1.6 1999/10/08 06:27:59 fca
30Defaults updated
31
32Revision 1.5 1999/10/05 17:18:27 fca
33Correct GetWire check on even/odd fnWires
34
35Revision 1.4 1999/09/29 09:24:34 fca
36Introduction of the Copyright and cvs Log
37
38*/
39
40///////////////////////////////////////////////////////////////////////
41// Manager and of geomety classes for set: TPC //
42// //
43// !sectors are numbered from 0 //
44// !pad rows are numbered from 0 //
45//
46// 12.6. changed z relative
47// Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk //
48// //
49///////////////////////////////////////////////////////////////////////
50
51
52#include <iostream.h>
53#include <TMath.h>
54#include <TObject.h>
55#include <TRandom.h>
56#include <AliTPCParam.h>
57
58
59ClassImp(AliTPCParam)
60
61const static Int_t kMaxRows=600;
62//
63//sector default parameters
64//
65const static Float_t kInnerRadiusLow = 81.6;
66const static Float_t kOuterRadiusLow = 144.2;
67const static Float_t kInnerRadiusUp = 143.6;
68const static Float_t kOuterRadiusUp = 252.1;
69const static Float_t kInnerAngle = 20; // 20 degrees
70const static Float_t kInnerAngleShift = 10;
71const static Float_t kOuterAngle = 20; // 20 degrees
72const static Float_t kOuterAngleShift = 10;
73const static Float_t kInnerFrameSpace = 1.5;
74const static Float_t kOuterFrameSpace = 1.5;
75const static Float_t kInnerWireMount = 1.15;
76const static Float_t kOuterWireMount = 1.15;
77const static Float_t kZLength =250.;
78const static Int_t kGeometryType = 0; //straight rows
79//
80//wires default parameters
81//
82const static Int_t kNInnerWiresPerPad = 5;
83const static Int_t kInnerDummyWire = 2;
84const static Float_t kInnerOffWire = 0.5;
85const static Int_t kNOuterWiresPerPad = 5;
86const static Int_t kOuterDummyWire = 2;
87const static Float_t kOuterOffWire = 0.5;
88//
89//pad default parameters
90//
91const static Float_t kInnerPadPitchLength = 2.05;
92const static Float_t kInnerPadPitchWidth = 0.35;
93const static Float_t kInnerPadLength = 2.05;
94const static Float_t kInnerPadWidth = 0.35;
95const static Float_t kOuterPadPitchLength = 2.05;
96const static Float_t kOuterPadPitchWidth = 0.35;
97const static Float_t kOuterPadLength = 2.05;
98const static Float_t kOuterPadWidth = 0.35;
99const static Bool_t kBMWPCReadout = kTRUE; //MWPC readout - another possibility GEM
100const static Int_t kNCrossRows = 1; //number of rows to cross-talk
101
102//
103//gas default parameters
104//
105const static Float_t kDiffT = 2.2e-2;
106const static Float_t kDiffL = 2.2e-2;
107const static Float_t kGasGain = 2.e4;
108const static Float_t kDriftV =2.85e6;
109const static Float_t kOmegaTau = 0.145;
110const static Float_t kAttCoef = 250.;
111const static Float_t kOxyCont = 5.e-6;
112//
113//electornic default parameters
114//
115const static Float_t kPadCoupling=0.5;
116const static Int_t kZeroSup=5;
117const static Float_t kNoise = 1000;
118const static Float_t kChipGain = 12;
119const static Float_t kChipNorm = 0.4;
120const static Float_t kTSample = 2.e-7;
121const static Float_t kTFWHM = 1.9e-7; //fwhm of charge distribution
122const static Int_t kMaxTBin =512;
123const static Int_t kADCSat =1024;
124const static Float_t kADCDynRange =2000.;
125//
126//
127//
128const static Float_t kBField =0.2;
129const static Float_t kNPrimLoss =10.9;
130const static Float_t kNTotalLoss =39.9;
131//
132//transformation coeficients
133//
134const static Float_t kDegtoRad = 0.01745329251994;
135const static Float_t kRadtoDeg = 57.29577951309;
136//
137//response constants
138//
139const static Int_t kNResponseMax=100;
140const static Float_t kResponseThreshold=0.01;
141
142
143
144//___________________________________________
145AliTPCParam::AliTPCParam()
146{
147 //
148 //constructor sets the default parameters
149 //
150
151 fResponseBin = 0;
152 fResponseWeight = 0;
153 fRotAngle = 0;
154 SetDefault();
155}
156
157AliTPCParam::~AliTPCParam()
158{
159 //
160 //destructor deletes some dynamicaly alocated variables
161 //
162
163 if (fResponseBin!=0) delete [] fResponseBin;
164 if (fResponseWeight!=0) delete [] fResponseWeight;
165 if (fRotAngle !=0) delete [] fRotAngle;
166
167}
168
169
170
171
172Int_t AliTPCParam::Transform0to1(Float_t *xyz, Int_t * index) const
173{
174 //
175 // calculates sector number (index[1], undefined on input)
176 // xyz intact
177 //
178
179 Float_t angle,x1;
180 Int_t sector;
181 Float_t r = TMath::Sqrt(xyz[0]*xyz[0]+xyz[1]*xyz[1]);
182 if ((xyz[0]==0)&&(xyz[1]==0)) angle = 0.;
183 else
184 {
185 angle =TMath::ASin(xyz[1]/r);
186 if (xyz[0]<0) angle=TMath::Pi()-angle;
187 if ( (xyz[0]>0) && (xyz[1]<0) ) angle=2*TMath::Pi()+angle;
188 }
189
190 sector=Int_t((angle-fInnerAngleShift)/fInnerAngle);
191
192 Float_t cos,sin;
193 AdjustCosSin(sector,cos,sin);
194 x1=xyz[0]*cos + xyz[1]*sin;
195
196 if (x1>fOuterRadiusLow)
197 {
198 sector=Int_t((angle-fOuterAngleShift)/fOuterAngle)+fNInnerSector;
199 if (xyz[2]<0) sector+=(fNOuterSector>>1);
200 }
201 else
202 if (xyz[2]<0) sector+=(fNInnerSector>>1);
203 index[1]=sector; // calculated sector number
204 index[0]=1; // indicates system after transformation
205 return sector;
206}
207
208Bool_t AliTPCParam::Transform(Float_t *xyz, Int_t *index, Int_t* oindex)
209{
210 //transformation from input coodination system to output coordination system
211 switch (index[0]){
212 case 0:
213 break;
214 };
215
216 return kFALSE;
217
218}
219
220Int_t AliTPCParam::GetPadRow(Float_t *xyz, Int_t *index) const
221{
222 //
223 //calculates pad row of point xyz - transformation to system 8 (digit system)
224 //
225 Int_t system = index[0];
226 if (0==system) {
227 Transform0to1(xyz,index);
228 system=1;
229 }
230 if (1==system) {
231 Transform1to2(xyz,index);
232 system=2;
233 }
234
235 if (fGeometryType==0){ //straight row
236 if (2==system) {
237 Transform2to3(xyz,index);
238 system=3;
239 }
240 if (3==system) {
241 Transform3to4(xyz,index);
242 system=4;
243 }
244 if (4==system) {
245 Transform4to8(xyz,index);
246 system=8;
247 }
248 if (8==system) {
249 index[0]=8;
250 return index[2];
251 }
252 }
253
254 if (fGeometryType==1){ //cylindrical geometry
255 if (2==system) {
256 Transform2to5(xyz,index);
257 system=5;
258 }
259 if (5==system) {
260 Transform2to3(xyz,index);
261 system=6;
262 }
263 if (6==system) {
264 Transform3to4(xyz,index);
265 system=7;
266 }
267 if (8==system) {
268 index[0]=8;
269 return index[2];
270 }
271 }
272 index[0]=system;
273 return -1; //if no reasonable system
274}
275
276void AliTPCParam::SetSectorAngles(Float_t innerangle, Float_t innershift, Float_t outerangle,
277 Float_t outershift)
278{
279 //
280 // set opening angles
281 fInnerAngle = innerangle; //opening angle of Inner sector
282 fInnerAngleShift = innershift; //shift of first inner sector center to the 0
283 fOuterAngle = outerangle; //opening angle of outer sector
284 fOuterAngleShift = outershift; //shift of first sector center to the 0
285 fInnerAngle *=kDegtoRad;
286 fInnerAngleShift *=kDegtoRad;
287 fOuterAngle *=kDegtoRad;
288 fOuterAngleShift *=kDegtoRad;
289}
290
291Float_t AliTPCParam::GetInnerAngle() const
292{
293 //return angle
294 return fInnerAngle;
295
296}
297
298Float_t AliTPCParam::GetInnerAngleShift() const
299{
300 //return angle
301 return fInnerAngleShift;
302}
303Float_t AliTPCParam::GetOuterAngle() const
304{
305 //return angle
306 return fOuterAngle;
307}
308Float_t AliTPCParam::GetOuterAngleShift() const
309{
310 //return angle
311
312 return fOuterAngleShift;
313}
314
315
316Int_t AliTPCParam::GetIndex(Int_t sector, Int_t row)
317{
318 //
319 //give index of the given sector and pad row
320 //no control if the sectors and rows are reasonable !!!
321 //
322 if (sector<fNInnerSector) return sector*fNRowLow+row;
323 return (fNInnerSector*fNRowLow)+(sector-fNInnerSector)*fNRowUp+row;
324}
325
326Bool_t AliTPCParam::AdjustSectorRow(Int_t index, Int_t & sector, Int_t &row) const
327{
328 //
329 //return sector and padrow for given index
330 //if index is reasonable returns true else return false
331 //
332 if ( (index<0) || (index>fNtRows)) return kFALSE;
333 Int_t outindex = fNInnerSector*fNRowLow;
334 if (index<outindex) {
335 sector = index/fNRowLow;
336 row = index - sector*fNRowLow;
337 return kTRUE;
338 }
339 index-= outindex;
340 sector = index/fNRowUp;
341 row = index - sector*fNRowUp;
342 sector += fNInnerSector;
343 return kTRUE;
344}
345
346void AliTPCParam::SetDefault()
347{
348 //
349 //set default parameters
350 //
351 fbStatus = kFALSE;
352 //
353 //set sector parameters
354 //
355 SetInnerRadiusLow(kInnerRadiusLow);
356 SetOuterRadiusLow(kOuterRadiusLow);
357 SetInnerRadiusUp(kInnerRadiusUp);
358 SetOuterRadiusUp(kOuterRadiusUp);
359 SetInnerFrameSpace(kInnerFrameSpace);
360 SetOuterFrameSpace(kOuterFrameSpace);
361 SetInnerWireMount(kInnerWireMount);
362 SetOuterWireMount(kOuterWireMount);
363 SetSectorAngles(kInnerAngle,kInnerAngleShift,kOuterAngle,kOuterAngleShift);
364 SetZLength(kZLength);
365 SetGeometryType(kGeometryType);
366 //
367 //set wire parameters
368 //
369 SetInnerNWires(kNInnerWiresPerPad);
370 SetInnerDummyWire(kInnerDummyWire);
371 SetInnerOffWire(kInnerOffWire);
372 SetOuterNWires(kNOuterWiresPerPad);
373 SetOuterDummyWire(kOuterDummyWire);
374 SetOuterOffWire(kOuterOffWire);
375 //
376 //set pad parameter
377 //
378 SetInnerPadPitchLength(kInnerPadPitchLength);
379 SetInnerPadPitchWidth(kInnerPadPitchWidth);
380 SetInnerPadLength(kInnerPadLength);
381 SetInnerPadWidth(kInnerPadWidth);
382 SetOuterPadPitchLength(kOuterPadPitchLength);
383 SetOuterPadPitchWidth(kOuterPadPitchWidth);
384 SetOuterPadLength(kOuterPadLength);
385 SetOuterPadWidth(kOuterPadWidth);
386 SetMWPCReadout(kBMWPCReadout);
387 SetNCrossRows(kNCrossRows);
388 //
389 //set gas paremeters
390 //
391 SetDiffT(kDiffT);
392 SetDiffL(kDiffL);
393 SetGasGain(kGasGain);
394 SetDriftV(kDriftV);
395 SetOmegaTau(kOmegaTau);
396 SetAttCoef(kAttCoef);
397 SetOxyCont(kOxyCont);
398 //
399 //set electronivc parameters
400 //
401 SetPadCoupling(kPadCoupling);
402 SetZeroSup(kZeroSup);
403 SetNoise(kNoise);
404 SetChipGain(kChipGain);
405 SetChipNorm(kChipNorm);
406 SetTSample(kTSample);
407 SetTFWHM(kTFWHM);
408 SetMaxTBin(kMaxTBin);
409 SetADCSat(kADCSat);
410 SetADCDynRange(kADCDynRange);
411 //set magnetic field
412 SetBField(kBField);
413 SetNPrimLoss(kNPrimLoss);
414 SetNTotalLoss(kNTotalLoss);
415 //
416 //set response parameters
417 //
418 SetNResponseMax(kNResponseMax);
419 SetResponseThreshold(kResponseThreshold);
420}
421
422
423Bool_t AliTPCParam::Update()
424{
425 //
426 // update some calculated parameter which must be updated after changing "base"
427 // parameters
428 // for example we can change size of pads and according this recalculate number
429 // of pad rows, number of of pads in given row ....
430 //
431 fbStatus = kFALSE;
432
433 Int_t i,j; //loop variables because HP
434 //-----------------Sector section------------------------------------------
435 //calclulate number of sectors
436 fNInnerSector = Int_t(4*TMath::Pi()/fInnerAngle+0.2);
437 // number of inner sectors - factor 0.2 to don't be influnced by inprecision
438 if (fNInnerSector%2) return kFALSE;
439 fNOuterSector = Int_t(4*TMath::Pi()/fOuterAngle+0.2);
440 if (fNOuterSector%2) return kFALSE;
441 fNSector = fNInnerSector+fNOuterSector;
442
443 if (fRotAngle!=0) delete [] fRotAngle;
444 fRotAngle = new Float_t[4*fNSector];
445 //calculate sin and cosine of rotations angle
446 //sectors angles numbering from 0
447
448 j=fNInnerSector*2;
449 Float_t angle = fInnerAngleShift;
450 for (i=0; j<fNInnerSector*4; i+=4, j+=4 , angle +=fInnerAngle){
451 fRotAngle[i]=TMath::Cos(angle);
452 fRotAngle[i+1]=TMath::Sin(angle);
453 fRotAngle[j] = fRotAngle[i];
454 fRotAngle[j+1] = fRotAngle[i+1];
455 fRotAngle[i+2] =angle;
456 fRotAngle[j+2] =angle;
457 }
458 angle = fOuterAngleShift;
459 j=(fNInnerSector+fNOuterSector/2)*4;
460 for (i=fNInnerSector*4; j<fNSector*4; i+=4,j+=4, angle +=fOuterAngle){
461 fRotAngle[i]=TMath::Cos(angle);
462 fRotAngle[i+1]=TMath::Sin(angle);
463 fRotAngle[j] = fRotAngle[i];
464 fRotAngle[j+1] = fRotAngle[i+1];
465 fRotAngle[i+2] =angle;
466 fRotAngle[j+2] =angle;
467 }
468 fZWidth = fTSample*fDriftV;
469 fTotalNormFac = fPadCoupling*fChipNorm*q_el*1.e15*fChipGain*fADCSat/fADCDynRange;
470 fNoiseNormFac = q_el*1.e15*fChipGain*fADCSat/fADCDynRange;
471 //wire section
472 Int_t nwire;
473 Float_t wspace; //available space for wire
474 Float_t dummyspace; //dummyspace for wire
475
476 fInnerWWPitch = Float_t((Double_t)fInnerPadPitchLength/(Double_t)fNInnerWiresPerPad);
477 wspace =fInnerRadiusUp-fInnerRadiusLow-2*fInnerOffWire;
478 nwire = Int_t(wspace/fInnerWWPitch);
479 wspace = Float_t(nwire)*fInnerWWPitch;
480 dummyspace =(fInnerRadiusUp-fInnerRadiusLow-wspace)/2.;
481 fRInnerFirstWire = fInnerRadiusLow+dummyspace;
482 fRInnerLastWire = fRInnerFirstWire+fInnerWWPitch*(Float_t)(nwire);
483
484 fOuterWWPitch = Float_t((Double_t)fOuterPadPitchLength/(Double_t)fNOuterWiresPerPad);
485 wspace =fOuterRadiusUp-fOuterRadiusLow-2*fOuterOffWire;
486 nwire = Int_t(wspace/fOuterWWPitch);
487 wspace = Float_t(nwire)*fOuterWWPitch;
488 dummyspace =(fOuterRadiusUp-fOuterRadiusLow-wspace)/2.;
489 fROuterFirstWire = fOuterRadiusLow+dummyspace;
490 fROuterLastWire = fROuterFirstWire+fOuterWWPitch*(Float_t)(nwire);
491
492
493 //
494 //response data
495 //
496 if (fResponseBin==0) delete [] fResponseBin;
497 if (fResponseWeight==0) delete [] fResponseBin;
498 fResponseBin = new Int_t[3*fNResponseMax];
499 fResponseWeight = new Float_t[fNResponseMax];
500
501 fbStatus = kTRUE;
502 return kTRUE;
503}
504
505
506
507Bool_t AliTPCParam::GetStatus()
508{
509 //get information about object consistency
510 return fbStatus;
511}
512
513Int_t AliTPCParam::GetNRowLow() const
514{
515 //get the number of pad rows in low sector
516 return fNRowLow;
517}
518Int_t AliTPCParam::GetNRowUp() const
519{
520 //get the number of pad rows in up sector
521 return fNRowUp;
522}
523Float_t AliTPCParam::GetPadRowRadiiLow(Int_t irow) const
524{
525 //get the pad row (irow) radii
526 if ( !(irow<0) && (irow<fNRowLow) )
527 return fPadRowLow[irow];
528 else
529 return 0;
530}
531
532Float_t AliTPCParam::GetPadRowRadiiUp(Int_t irow) const
533{
534 //get the pad row (irow) radii
535 if ( !(irow<0) && (irow<fNRowUp) )
536 return fPadRowUp[irow];
537 else
538 return 0;
539}
540
541Int_t AliTPCParam::GetNPadsLow(Int_t irow) const
542{
543 //get the number of pads in row irow
544 if ( !(irow<0) && (irow<fNRowLow) )
545 return fNPadsLow[irow];
546 else
547 return 0;
548}
549
550
551Int_t AliTPCParam::GetNPadsUp(Int_t irow) const
552{
553 //get the number of pads in row irow
554 if ( !(irow<0) && (irow<fNRowUp) )
555 return fNPadsUp[irow];
556 else
557 return 0;
558}
559
560
561void AliTPCParam::Streamer(TBuffer &R__b)
562{
563 // Stream an object of class AliTPC.
564
565 if (R__b.IsReading()) {
566 Version_t R__v = R__b.ReadVersion(); if (R__v) { }
567 AliDetectorParam::Streamer(R__b);
568 if (R__v < 2) return;
569 //---------------------------------------------------------------------
570 // ALICE TPC sector geometry
571 //--------------------------------------------------------------------
572 R__b >> fInnerRadiusLow; // lower radius of inner sector-IP
573 R__b >> fInnerRadiusUp; // upper radius of inner sector-IP
574 R__b >> fOuterRadiusUp; // upper radius of outer sector-IP
575 R__b >> fOuterRadiusLow; // lower radius of outer sector-IP
576 R__b >> fInnerAngle; //opening angle of Inner sector
577 R__b >> fInnerAngleShift; //shift of first inner sector center to the 0
578 R__b >> fOuterAngle; //opening angle of outer sector
579 R__b >> fOuterAngleShift; //shift of first sector center to the 0
580 R__b >> fInnerFrameSpace; //spce for inner frame in the phi direction
581 R__b >> fOuterFrameSpace; //spce for outer frame in the phi direction
582 R__b >> fInnerWireMount;
583 R__b >> fOuterWireMount;
584 //R__b >> fNInnerSector; //!number of inner sectors - calculated
585 //R__b >> fNOuterSector; //!number of outer sectors -calculated
586 //R__b >> fNSector; //! total number of sectors -calculated
587 R__b >> fZLength; //length of the drift region of the TPC
588 //R__b.ReadFastArray(fRotAngle,fNSector*4); // sin and cos of rotation angles for
589 R__b >> fGeometryType; //type of geometry -0 straight rows
590 // diferent sectors
591 //---------------------------------------------------------------------
592 // ALICE TPC wires geometry
593 //--------------------------------------------------------------------
594 R__b >> fNInnerWiresPerPad;// Number of wires per pad
595 //R__b >> fInnerWWPitch; // pitch between wires in inner sector - calculated
596 R__b >> fInnerDummyWire; //number of wires without pad readout
597 R__b >> fInnerOffWire;//oofset of first wire to the begining of the sector
598 //R__b >> fRInnerFirstWire; //position of the first wire -calculated
599 //R__b >> fRInnerLastWire; //position of the last wire -calculated
600 R__b >> fNOuterWiresPerPad;// Number of wires per pad
601 //R__b >> fOuterWWPitch; // pitch between wires in outer sector - calculated
602 R__b >> fOuterDummyWire; //number of wires without pad readout
603 R__b >> fOuterOffWire;//oofset of first wire to the begining of the sector
604 //R__b >> fROuterFirstWire; //position of the first wire -calulated
605 //R__b >> fROuterLastWire; //position of the last wire -calculated
606 //---------------------------------------------------------------------
607 // ALICE TPC pad parameters
608 //--------------------------------------------------------------------
609 R__b >> fInnerPadPitchLength; //Inner pad pitch length
610 R__b >> fInnerPadPitchWidth; //Inner pad pitch width
611 R__b >> fInnerPadLength; //Inner pad length
612 R__b >> fInnerPadWidth; //Inner pad width
613 R__b >> fOuterPadPitchLength; //Outer pad pitch length
614 R__b >> fOuterPadPitchWidth; //Outer pad pitch width
615 R__b >> fOuterPadLength; //Outer pad length
616 R__b >> fOuterPadWidth; //Outer pad width
617 R__b >> fBMWPCReadout; //indicate wire readout
618 R__b >> fNCrossRows; //number of pad rows to crostalk
619 R__b >> fNRowLow; // number of pad rows per low sector
620 R__b >> fNRowUp; // number of pad rows per sector up
621 //R__b >> fPadRowLow[600]; // Lower sector, pad row radii
622 //R__b >> fPadRowUp[600]; // Upper sector, pad row radii
623 //R__b >> fNPadsLow[600]; // Lower sector, number of pads per row
624 //R__b >> fNPadsUp[600]; // Upper sector, number of pads per row
625 //---------------------------------------------------------------------
626 // ALICE TPC Gas Parameters
627 //--------------------------------------------------------------------
628 R__b >> fDiffT; //tangencial diffusion constant
629 R__b >> fDiffL; //longutudinal diffusion constant
630 R__b >> fGasGain; //gas gain constant
631 R__b >> fDriftV; //drift velocity constant
632 R__b >> fOmegaTau; //omega tau ExB coeficient
633 R__b >> fAttCoef; //attachment coefitients
634 R__b >> fOxyCont; //oxygen content
635 //---------------------------------------------------------------------
636 // ALICE TPC Electronics Parameters
637 //--------------------------------------------------------------------
638 R__b >> fPadCoupling; //coupling factor ration of anode signal
639 //and total pads signal
640 R__b >> fZeroSup; //zero suppresion constant
641 R__b >> fNoise; //noise sigma constant
642 R__b >> fChipGain; //preamp shaper constant
643 R__b >> fChipNorm; //preamp shaper normalisation
644 R__b >> fTSample; // sampling time
645 R__b >> fZWidth; //derived value calculated using TSample and driftw
646 R__b >> fTSigma; // width of the Preamp/Shaper function
647 R__b >> fMaxTBin; //maximum time bin number
648 R__b >> fADCSat; //saturation value of ADC (10 bits)
649 R__b >> fADCDynRange; // input dynamic range (mV)
650 //--------------------------------------------------------
651 } else {
652 R__b.WriteVersion(AliTPCParam::IsA());
653 AliDetectorParam::Streamer(R__b);
654 //---------------------------------------------------------------------
655 // ALICE TPC sector geometry
656 //--------------------------------------------------------------------
657 R__b << fInnerRadiusLow; // lower radius of inner sector-IP
658 R__b << fInnerRadiusUp; // upper radius of inner sector-IP
659 R__b << fOuterRadiusUp; // upper radius of outer sector-IP
660 R__b << fOuterRadiusLow; // lower radius of outer sector-IP
661 R__b << fInnerAngle; //opening angle of Inner sector
662 R__b << fInnerAngleShift; //shift of first inner sector center to the 0
663 R__b << fOuterAngle; //opening angle of outer sector
664 R__b << fOuterAngleShift; //shift of first sector center to the 0
665 R__b << fInnerFrameSpace; //spce for inner frame in the phi direction
666 R__b << fOuterFrameSpace; //spce for outer frame in the phi direction
667 R__b << fInnerWireMount;
668 R__b << fOuterWireMount;
669 //R__b << fNInnerSector; //!number of inner sectors - calculated
670 //R__b << fNOuterSector; //!number of outer sectors -calculated
671 //R__b << fNSector; //! total number of sectors -calculated
672 R__b << fZLength; //length of the drift region of the TPC
673 //R__b.WriteFastArray(fRotAngle,fNSector*4); // sin and cos of rotation angles for
674 R__b << fGeometryType; //type of geometry -0 straight rows
675
676 // diferent sectors
677 //---------------------------------------------------------------------
678 // ALICE TPC wires geometry
679 //--------------------------------------------------------------------
680 R__b << fNInnerWiresPerPad;// Number of wires per pad
681 // R__b << fInnerWWPitch; // pitch between wires in inner sector - calculated
682 R__b << fInnerDummyWire; //number of wires without pad readout
683 R__b << fInnerOffWire;//oofset of first wire to the begining of the sector
684 //R__b << fRInnerFirstWire; //position of the first wire -calculated
685 //R__b << fRInnerLastWire; //position of the last wire -calculated
686 R__b << fNOuterWiresPerPad;// Number of wires per pad
687 //R__b << fOuterWWPitch; // pitch between wires in outer sector - calculated
688 R__b << fOuterDummyWire; //number of wires without pad readout
689 R__b << fOuterOffWire;//oofset of first wire to the begining of the sector
690 //R__b << fROuterFirstWire; //position of the first wire -calulated
691 //R__b << fROuterLastWire; //position of the last wire -calculated
692 //---------------------------------------------------------------------
693 // ALICE TPC pad parameters
694 //--------------------------------------------------------------------
695 R__b << fInnerPadPitchLength; //Inner pad pitch length
696 R__b << fInnerPadPitchWidth; //Inner pad pitch width
697 R__b << fInnerPadLength; //Inner pad length
698 R__b << fInnerPadWidth; //Inner pad width
699 R__b << fOuterPadPitchLength; //Outer pad pitch length
700 R__b << fOuterPadPitchWidth; //Outer pad pitch width
701 R__b << fOuterPadLength; //Outer pad length
702 R__b << fOuterPadWidth; //Outer pad width
703 R__b << fBMWPCReadout; //indicate wire readout
704 R__b << fNCrossRows; // number of rows to cross talk
705 R__b << fNRowLow; // number of pad rows per low sector
706 R__b << fNRowUp; // number of pad rows per sector up
707 // R__b << fPadRowLow[600]; // Lower sector, pad row radii
708 //R__b << fPadRowUp[600]; // Upper sector, pad row radii
709 //R__b << fNPadsLow[600]; // Lower sector, number of pads per row
710 //R__b << fNPadsUp[600]; // Upper sector, number of pads per row
711 //---------------------------------------------------------------------
712 // ALICE TPC Gas Parameters
713 //--------------------------------------------------------------------
714 R__b << fDiffT; //tangencial diffusion constant
715 R__b << fDiffL; //longutudinal diffusion constant
716 R__b << fGasGain; //gas gain constant
717 R__b << fDriftV; //drift velocity constant
718 R__b << fOmegaTau; //omega tau ExB coeficient
719 R__b << fAttCoef; //attachment coefitients
720 R__b << fOxyCont; //oxygen content
721 //---------------------------------------------------------------------
722 // ALICE TPC Electronics Parameters
723 //--------------------------------------------------------------------
724 R__b << fPadCoupling; //coupling factor ration of anode signal
725 //and total pads signal
726 R__b << fZeroSup; //zero suppresion constant
727 R__b << fNoise; //noise sigma constant
728 R__b << fChipGain; //preamp shaper constant
729 R__b << fChipNorm; //preamp shaper normalisation
730 R__b << fTSample; // sampling time
731 R__b << fZWidth; //derived value calculated using TSample and driftw
732 R__b << fTSigma; // width of the Preamp/Shaper function
733 R__b << fMaxTBin; //maximum time bin number
734 R__b << fADCSat; //saturation value of ADC (10 bits)
735 R__b << fADCDynRange; // input dynamic range (mV)
736 }
737}
738