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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 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////// | |
19 | // Manager and of geomety classes for set: TPC // | |
20 | // // | |
21 | // !sectors are numbered from 0 // | |
22 | // !pad rows are numbered from 0 // | |
23 | // | |
24 | // 12.6. changed z relative | |
25 | // Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk // | |
26 | // // | |
27 | /////////////////////////////////////////////////////////////////////// | |
28 | ||
29 | // | |
30 | ||
31 | #include <AliTPCParam.h> | |
32 | ||
33 | ClassImp(AliTPCParam) | |
34 | ||
35 | ||
36 | //___________________________________________ | |
37 | AliTPCParam::AliTPCParam() | |
38 | { | |
39 | // | |
40 | //constructor sets the default parameters | |
41 | // | |
42 | ||
43 | fResponseBin = 0; | |
44 | fResponseWeight = 0; | |
45 | fRotAngle = 0; | |
46 | SetTitle("75x40_100x60_150x60"); | |
47 | SetDefault(); | |
48 | } | |
49 | ||
50 | AliTPCParam::~AliTPCParam() | |
51 | { | |
52 | // | |
53 | //destructor deletes some dynamicaly alocated variables | |
54 | // | |
55 | ||
56 | if (fResponseBin!=0) delete [] fResponseBin; | |
57 | if (fResponseWeight!=0) delete [] fResponseWeight; | |
58 | if (fRotAngle !=0) delete [] fRotAngle; | |
59 | ||
60 | } | |
61 | ||
62 | ||
63 | ||
64 | ||
65 | Int_t AliTPCParam::Transform0to1(Float_t *xyz, Int_t * index) const | |
66 | { | |
67 | // | |
68 | // calculates sector number (index[1], undefined on input) | |
69 | // xyz intact | |
70 | // | |
71 | ||
72 | Float_t angle,x1; | |
73 | Int_t sector; | |
74 | Float_t r = TMath::Sqrt(xyz[0]*xyz[0]+xyz[1]*xyz[1]); | |
75 | if ((xyz[0]==0)&&(xyz[1]==0)) angle = 0.; | |
76 | else | |
77 | { | |
78 | angle =TMath::ASin(xyz[1]/r); | |
79 | if (xyz[0]<0) angle=TMath::Pi()-angle; | |
80 | if ( (xyz[0]>0) && (xyz[1]<0) ) angle=2*TMath::Pi()+angle; | |
81 | } | |
82 | ||
83 | sector=Int_t(TMath::Nint((angle-fInnerAngleShift)/fInnerAngle)); | |
84 | ||
85 | Float_t cos,sin; | |
86 | AdjustCosSin(sector,cos,sin); | |
87 | x1=xyz[0]*cos + xyz[1]*sin; | |
88 | ||
89 | if (x1>fOuterRadiusLow) | |
90 | { | |
91 | sector=Int_t(TMath::Nint((angle-fOuterAngleShift)/fOuterAngle))+fNInnerSector; | |
92 | if (xyz[2]<0) sector+=(fNOuterSector>>1); | |
93 | } | |
94 | else | |
95 | if (xyz[2]<0) sector+=(fNInnerSector>>1); | |
96 | index[1]=sector; // calculated sector number | |
97 | index[0]=1; // indicates system after transformation | |
98 | return sector; | |
99 | } | |
100 | ||
101 | Bool_t AliTPCParam::Transform(Float_t */*xyz*/, Int_t *index, Int_t* /*oindex*/) | |
102 | { | |
103 | //transformation from input coodination system to output coordination system | |
104 | switch (index[0]){ | |
105 | case 0: | |
106 | break; | |
107 | }; | |
108 | ||
109 | return kFALSE; | |
110 | ||
111 | } | |
112 | ||
113 | Int_t AliTPCParam::GetPadRow(Float_t *xyz, Int_t *index) const | |
114 | { | |
115 | // | |
116 | //calculates pad row of point xyz - transformation to system 8 (digit system) | |
117 | // | |
118 | Int_t system = index[0]; | |
119 | if (0==system) { | |
120 | Transform0to1(xyz,index); | |
121 | system=1; | |
122 | } | |
123 | if (1==system) { | |
124 | Transform1to2(xyz,index); | |
125 | system=2; | |
126 | } | |
127 | ||
128 | if (fGeometryType==0){ //straight row | |
129 | if (2==system) { | |
130 | Transform2to3(xyz,index); | |
131 | system=3; | |
132 | } | |
133 | if (3==system) { | |
134 | Transform3to4(xyz,index); | |
135 | system=4; | |
136 | } | |
137 | if (4==system) { | |
138 | Transform4to8(xyz,index); | |
139 | system=8; | |
140 | } | |
141 | if (8==system) { | |
142 | index[0]=8; | |
143 | return index[2]; | |
144 | } | |
145 | } | |
146 | ||
147 | if (fGeometryType==1){ //cylindrical geometry | |
148 | if (2==system) { | |
149 | Transform2to5(xyz,index); | |
150 | system=5; | |
151 | } | |
152 | if (5==system) { | |
153 | Transform2to3(xyz,index); | |
154 | system=6; | |
155 | } | |
156 | if (6==system) { | |
157 | Transform3to4(xyz,index); | |
158 | system=7; | |
159 | } | |
160 | if (8==system) { | |
161 | index[0]=8; | |
162 | return index[2]; | |
163 | } | |
164 | } | |
165 | index[0]=system; | |
166 | return -1; //if no reasonable system | |
167 | } | |
168 | ||
169 | void AliTPCParam::SetSectorAngles(Float_t innerangle, Float_t innershift, Float_t outerangle, | |
170 | Float_t outershift) | |
171 | { | |
172 | // | |
173 | // set opening angles | |
174 | static const Float_t kDegtoRad = 0.01745329251994; | |
175 | fInnerAngle = innerangle; //opening angle of Inner sector | |
176 | fInnerAngleShift = innershift; //shift of first inner sector center to the 0 | |
177 | fOuterAngle = outerangle; //opening angle of outer sector | |
178 | fOuterAngleShift = outershift; //shift of first sector center to the 0 | |
179 | fInnerAngle *=kDegtoRad; | |
180 | fInnerAngleShift *=kDegtoRad; | |
181 | fOuterAngle *=kDegtoRad; | |
182 | fOuterAngleShift *=kDegtoRad; | |
183 | } | |
184 | ||
185 | Float_t AliTPCParam::GetInnerAngle() const | |
186 | { | |
187 | //return angle | |
188 | return fInnerAngle; | |
189 | ||
190 | } | |
191 | ||
192 | Float_t AliTPCParam::GetInnerAngleShift() const | |
193 | { | |
194 | //return angle | |
195 | return fInnerAngleShift; | |
196 | } | |
197 | Float_t AliTPCParam::GetOuterAngle() const | |
198 | { | |
199 | //return angle | |
200 | return fOuterAngle; | |
201 | } | |
202 | Float_t AliTPCParam::GetOuterAngleShift() const | |
203 | { | |
204 | //return angle | |
205 | ||
206 | return fOuterAngleShift; | |
207 | } | |
208 | ||
209 | ||
210 | Int_t AliTPCParam::GetIndex(Int_t sector, Int_t row) const | |
211 | { | |
212 | // | |
213 | //give index of the given sector and pad row | |
214 | //no control if the sectors and rows are reasonable !!! | |
215 | // | |
216 | if (sector<fNInnerSector) return sector*fNRowLow+row; | |
217 | return (fNInnerSector*fNRowLow)+(sector-fNInnerSector)*fNRowUp+row; | |
218 | } | |
219 | ||
220 | Bool_t AliTPCParam::AdjustSectorRow(Int_t index, Int_t & sector, Int_t &row) const | |
221 | { | |
222 | // | |
223 | //return sector and padrow for given index | |
224 | //if index is reasonable returns true else return false | |
225 | // | |
226 | if ( (index<0) || (index>fNtRows)) return kFALSE; | |
227 | Int_t outindex = fNInnerSector*fNRowLow; | |
228 | if (index<outindex) { | |
229 | sector = index/fNRowLow; | |
230 | row = index - sector*fNRowLow; | |
231 | return kTRUE; | |
232 | } | |
233 | index-= outindex; | |
234 | sector = index/fNRowUp; | |
235 | row = index - sector*fNRowUp; | |
236 | sector += fNInnerSector; | |
237 | return kTRUE; | |
238 | } | |
239 | ||
240 | void AliTPCParam::SetDefault() | |
241 | { | |
242 | // | |
243 | //set default parameters | |
244 | // | |
245 | //const static Int_t kMaxRows=600; | |
246 | // | |
247 | //sector default parameters | |
248 | // | |
249 | static const Float_t kInnerRadiusLow = 83.65; | |
250 | static const Float_t kInnerRadiusUp = 133.3; | |
251 | static const Float_t kOuterRadiusLow = 133.5; | |
252 | static const Float_t kOuterRadiusUp = 247.7; | |
253 | static const Float_t kInnerAngle = 20; // 20 degrees | |
254 | static const Float_t kInnerAngleShift = 10; | |
255 | static const Float_t kOuterAngle = 20; // 20 degrees | |
256 | static const Float_t kOuterAngleShift = 10; | |
257 | static const Float_t kInnerFrameSpace = 1.5; | |
258 | static const Float_t kOuterFrameSpace = 1.5; | |
259 | static const Float_t kInnerWireMount = 1.2; | |
260 | static const Float_t kOuterWireMount = 1.4; | |
261 | static const Float_t kZLength =250.; | |
262 | static const Int_t kGeometryType = 0; //straight rows | |
263 | static const Int_t kNRowLow = 63; | |
264 | static const Int_t kNRowUp1 = 64; | |
265 | static const Int_t kNRowUp2 = 32; | |
266 | static const Int_t kNRowUp = 96; | |
267 | // | |
268 | //wires default parameters | |
269 | // | |
270 | static const Int_t kNInnerWiresPerPad = 3; | |
271 | static const Int_t kInnerDummyWire = 2; | |
272 | static const Float_t kInnerWWPitch = 0.25; | |
273 | static const Float_t kRInnerFirstWire = 84.475; | |
274 | static const Float_t kRInnerLastWire = 132.475; | |
275 | static const Float_t kInnerOffWire = 0.5; | |
276 | static const Int_t kNOuter1WiresPerPad = 4; | |
277 | static const Int_t kNOuter2WiresPerPad = 6; | |
278 | static const Float_t kOuterWWPitch = 0.25; | |
279 | static const Float_t kROuterFirstWire = 134.225; | |
280 | static const Float_t kROuterLastWire = 246.975; | |
281 | static const Int_t kOuterDummyWire = 2; | |
282 | static const Float_t kOuterOffWire = 0.5; | |
283 | // | |
284 | //pad default parameters | |
285 | // | |
286 | static const Float_t kInnerPadPitchLength = 0.75; | |
287 | static const Float_t kInnerPadPitchWidth = 0.40; | |
288 | static const Float_t kInnerPadLength = 0.75; | |
289 | static const Float_t kInnerPadWidth = 0.40; | |
290 | static const Float_t kOuter1PadPitchLength = 1.0; | |
291 | static const Float_t kOuterPadPitchWidth = 0.6; | |
292 | static const Float_t kOuter1PadLength = 1.0; | |
293 | static const Float_t kOuterPadWidth = 0.6; | |
294 | static const Float_t kOuter2PadPitchLength = 1.5; | |
295 | static const Float_t kOuter2PadLength = 1.5; | |
296 | ||
297 | static const Bool_t kBMWPCReadout = kTRUE; //MWPC readout - another possibility GEM | |
298 | static const Int_t kNCrossRows = 1; //number of rows to cross-talk | |
299 | ||
300 | // | |
301 | //gas default parameters | |
302 | // | |
303 | static const Float_t kDiffT = 2.2e-2; | |
304 | static const Float_t kDiffL = 2.2e-2; | |
305 | static const Float_t kGasGain = 2.e4; | |
306 | static const Float_t kDriftV =2.83e6; | |
307 | static const Float_t kOmegaTau = 0.145; | |
308 | static const Float_t kAttCoef = 250.; | |
309 | static const Float_t kOxyCont = 5.e-6; | |
310 | // | |
311 | //electronic default parameters | |
312 | // | |
313 | static const Float_t kPadCoupling=0.5; | |
314 | static const Int_t kZeroSup=2; | |
315 | static const Float_t kNoise = 1000; | |
316 | static const Float_t kChipGain = 12; | |
317 | static const Float_t kChipNorm = 0.4; | |
318 | static const Float_t kTSample = 2.e-7; | |
319 | static const Float_t kTFWHM = 1.9e-7; //fwhm of charge distribution | |
320 | static const Int_t kMaxTBin =445; | |
321 | static const Int_t kADCSat =1024; | |
322 | static const Float_t kADCDynRange =2000.; | |
323 | // | |
324 | // | |
325 | // | |
326 | static const Float_t kBField =0.2; | |
327 | static const Float_t kNPrimLoss =10.9; | |
328 | static const Float_t kNTotalLoss =39.9; | |
329 | // | |
330 | //response constants | |
331 | // | |
332 | static const Int_t kNResponseMax=100; | |
333 | static const Float_t kResponseThreshold=0.01; | |
334 | fbStatus = kFALSE; | |
335 | // | |
336 | //set sector parameters | |
337 | // | |
338 | SetInnerRadiusLow(kInnerRadiusLow); | |
339 | SetOuterRadiusLow(kOuterRadiusLow); | |
340 | SetInnerRadiusUp(kInnerRadiusUp); | |
341 | SetOuterRadiusUp(kOuterRadiusUp); | |
342 | SetInnerFrameSpace(kInnerFrameSpace); | |
343 | SetOuterFrameSpace(kOuterFrameSpace); | |
344 | SetInnerWireMount(kInnerWireMount); | |
345 | SetOuterWireMount(kOuterWireMount); | |
346 | SetSectorAngles(kInnerAngle,kInnerAngleShift,kOuterAngle,kOuterAngleShift); | |
347 | SetZLength(kZLength); | |
348 | SetGeometryType(kGeometryType); | |
349 | SetRowNLow(kNRowLow); | |
350 | SetRowNUp1 (kNRowUp1); | |
351 | SetRowNUp2(kNRowUp2); | |
352 | SetRowNUp(kNRowUp); | |
353 | // | |
354 | //set wire parameters | |
355 | // | |
356 | SetInnerNWires(kNInnerWiresPerPad); | |
357 | SetInnerDummyWire(kInnerDummyWire); | |
358 | SetInnerOffWire(kInnerOffWire); | |
359 | SetOuter1NWires(kNOuter1WiresPerPad); | |
360 | SetOuter2NWire(kNOuter2WiresPerPad); | |
361 | SetOuterDummyWire(kOuterDummyWire); | |
362 | SetOuterOffWire(kOuterOffWire); | |
363 | SetInnerWWPitch(kInnerWWPitch); | |
364 | SetRInnerFirstWire(kRInnerFirstWire); | |
365 | SetRInnerLastWire(kRInnerLastWire); | |
366 | SetOuterWWPitch(kOuterWWPitch); | |
367 | SetROuterFirstWire(kROuterFirstWire); | |
368 | SetROuterLastWire(kROuterLastWire); | |
369 | // | |
370 | //set pad parameter | |
371 | // | |
372 | SetInnerPadPitchLength(kInnerPadPitchLength); | |
373 | SetInnerPadPitchWidth(kInnerPadPitchWidth); | |
374 | SetInnerPadLength(kInnerPadLength); | |
375 | SetInnerPadWidth(kInnerPadWidth); | |
376 | SetOuter1PadPitchLength(kOuter1PadPitchLength); | |
377 | SetOuter2PadPitchLength(kOuter2PadPitchLength); | |
378 | SetOuterPadPitchWidth(kOuterPadPitchWidth); | |
379 | SetOuter1PadLength(kOuter1PadLength); | |
380 | SetOuter2PadLength(kOuter2PadLength); | |
381 | SetOuterPadWidth(kOuterPadWidth); | |
382 | SetMWPCReadout(kBMWPCReadout); | |
383 | SetNCrossRows(kNCrossRows); | |
384 | // | |
385 | //set gas paremeters | |
386 | // | |
387 | SetDiffT(kDiffT); | |
388 | SetDiffL(kDiffL); | |
389 | SetGasGain(kGasGain); | |
390 | SetDriftV(kDriftV); | |
391 | SetOmegaTau(kOmegaTau); | |
392 | SetAttCoef(kAttCoef); | |
393 | SetOxyCont(kOxyCont); | |
394 | // | |
395 | //set electronivc parameters | |
396 | // | |
397 | SetPadCoupling(kPadCoupling); | |
398 | SetZeroSup(kZeroSup); | |
399 | SetNoise(kNoise); | |
400 | SetChipGain(kChipGain); | |
401 | SetChipNorm(kChipNorm); | |
402 | SetTSample(kTSample); | |
403 | SetTFWHM(kTFWHM); | |
404 | SetMaxTBin(kMaxTBin); | |
405 | SetADCSat(kADCSat); | |
406 | SetADCDynRange(kADCDynRange); | |
407 | //set magnetic field | |
408 | SetBField(kBField); | |
409 | SetNPrimLoss(kNPrimLoss); | |
410 | SetNTotalLoss(kNTotalLoss); | |
411 | // | |
412 | //set response parameters | |
413 | // | |
414 | SetNResponseMax(kNResponseMax); | |
415 | SetResponseThreshold(static_cast<int>(kResponseThreshold)); | |
416 | } | |
417 | ||
418 | ||
419 | Bool_t AliTPCParam::Update() | |
420 | { | |
421 | // | |
422 | // update some calculated parameter which must be updated after changing "base" | |
423 | // parameters | |
424 | // for example we can change size of pads and according this recalculate number | |
425 | // of pad rows, number of of pads in given row .... | |
426 | // | |
427 | const Float_t kQel = 1.602e-19; // elementary charge | |
428 | fbStatus = kFALSE; | |
429 | ||
430 | Int_t i,j; //loop variables because HP | |
431 | //-----------------Sector section------------------------------------------ | |
432 | //calclulate number of sectors | |
433 | fNInnerSector = Int_t(4*TMath::Pi()/fInnerAngle+0.2); | |
434 | // number of inner sectors - factor 0.2 to don't be influnced by inprecision | |
435 | if (fNInnerSector%2) return kFALSE; | |
436 | fNOuterSector = Int_t(4*TMath::Pi()/fOuterAngle+0.2); | |
437 | if (fNOuterSector%2) return kFALSE; | |
438 | fNSector = fNInnerSector+fNOuterSector; | |
439 | ||
440 | if (fRotAngle!=0) delete [] fRotAngle; | |
441 | fRotAngle = new Float_t[4*fNSector]; | |
442 | //calculate sin and cosine of rotations angle | |
443 | //sectors angles numbering from 0 | |
444 | ||
445 | j=fNInnerSector*2; | |
446 | Float_t angle = fInnerAngleShift; | |
447 | for (i=0; j<fNInnerSector*4; i+=4, j+=4 , angle +=fInnerAngle){ | |
448 | fRotAngle[i]=TMath::Cos(angle); | |
449 | fRotAngle[i+1]=TMath::Sin(angle); | |
450 | fRotAngle[j] = fRotAngle[i]; | |
451 | fRotAngle[j+1] = fRotAngle[i+1]; | |
452 | fRotAngle[i+2] =angle; | |
453 | fRotAngle[j+2] =angle; | |
454 | } | |
455 | angle = fOuterAngleShift; | |
456 | j=(fNInnerSector+fNOuterSector/2)*4; | |
457 | for (i=fNInnerSector*4; j<fNSector*4; i+=4,j+=4, angle +=fOuterAngle){ | |
458 | fRotAngle[i]=TMath::Cos(angle); | |
459 | fRotAngle[i+1]=TMath::Sin(angle); | |
460 | fRotAngle[j] = fRotAngle[i]; | |
461 | fRotAngle[j+1] = fRotAngle[i+1]; | |
462 | fRotAngle[i+2] =angle; | |
463 | fRotAngle[j+2] =angle; | |
464 | } | |
465 | fZWidth = fTSample*fDriftV; | |
466 | fTotalNormFac = fPadCoupling*fChipNorm*kQel*1.e15*fChipGain*fADCSat/fADCDynRange; | |
467 | fNoiseNormFac = kQel*1.e15*fChipGain*fADCSat/fADCDynRange; | |
468 | //wire section | |
469 | /* Int_t nwire; | |
470 | Float_t wspace; //available space for wire | |
471 | Float_t dummyspace; //dummyspace for wire | |
472 | ||
473 | wspace =fInnerRadiusUp-fInnerRadiusLow-2*fInnerOffWire; | |
474 | nwire = Int_t(wspace/fInnerWWPitch); | |
475 | wspace = Float_t(nwire)*fInnerWWPitch; | |
476 | dummyspace =(fInnerRadiusUp-fInnerRadiusLow-wspace)/2.; | |
477 | wspace =fOuterRadiusUp-fOuterRadiusLow-2*fOuterOffWire; | |
478 | nwire = Int_t(wspace/fOuterWWPitch); | |
479 | wspace = Float_t(nwire)*fOuterWWPitch; | |
480 | dummyspace =(fOuterRadiusUp-fOuterRadiusLow-wspace)/2.; | |
481 | fROuterFirstWire = fOuterRadiusLow+dummyspace; | |
482 | fROuterLastWire = fROuterFirstWire+fOuterWWPitch*(Float_t)(nwire); | |
483 | */ | |
484 | ||
485 | // | |
486 | //response data | |
487 | // | |
488 | if (fResponseBin==0) delete [] fResponseBin; | |
489 | if (fResponseWeight==0) delete [] fResponseBin; | |
490 | fResponseBin = new Int_t[3*fNResponseMax]; | |
491 | fResponseWeight = new Float_t[fNResponseMax]; | |
492 | ||
493 | fbStatus = kTRUE; | |
494 | return kTRUE; | |
495 | } | |
496 | ||
497 | ||
498 | ||
499 | Bool_t AliTPCParam::GetStatus() const | |
500 | { | |
501 | //get information about object consistency | |
502 | return fbStatus; | |
503 | } | |
504 | ||
505 | Int_t AliTPCParam::GetNRowLow() const | |
506 | { | |
507 | //get the number of pad rows in low sector | |
508 | return fNRowLow; | |
509 | } | |
510 | Int_t AliTPCParam::GetNRowUp() const | |
511 | { | |
512 | //get the number of pad rows in up sector | |
513 | return fNRowUp; | |
514 | } | |
515 | Int_t AliTPCParam::GetNRowUp1() const | |
516 | { | |
517 | //get the number of pad rows in up1 sector | |
518 | return fNRowUp1; | |
519 | } | |
520 | Int_t AliTPCParam::GetNRowUp2() const | |
521 | { | |
522 | //get the number of pad rows in up2 sector | |
523 | return fNRowUp2; | |
524 | } | |
525 | Float_t AliTPCParam::GetPadRowRadiiLow(Int_t irow) const | |
526 | { | |
527 | //get the pad row (irow) radii | |
528 | if ( !(irow<0) && (irow<fNRowLow) ) | |
529 | return fPadRowLow[irow]; | |
530 | else | |
531 | return 0; | |
532 | } | |
533 | ||
534 | Float_t AliTPCParam::GetPadRowRadiiUp(Int_t irow) const | |
535 | { | |
536 | //get the pad row (irow) radii | |
537 | if ( !(irow<0) && (irow<fNRowUp) ) | |
538 | return fPadRowUp[irow]; | |
539 | else | |
540 | return 0; | |
541 | } | |
542 | ||
543 | Int_t AliTPCParam::GetNPadsLow(Int_t irow) const | |
544 | { | |
545 | //get the number of pads in row irow | |
546 | if ( !(irow<0) && (irow<fNRowLow) ) | |
547 | return fNPadsLow[irow]; | |
548 | else | |
549 | return 0; | |
550 | } | |
551 | ||
552 | ||
553 | Int_t AliTPCParam::GetNPadsUp(Int_t irow) const | |
554 | { | |
555 | //get the number of pads in row irow | |
556 | if ( !(irow<0) && (irow<fNRowUp) ) | |
557 | return fNPadsUp[irow]; | |
558 | else | |
559 | return 0; | |
560 | } | |
561 | Float_t AliTPCParam::GetYInner(Int_t irow) const | |
562 | { | |
563 | return fYInner[irow]; | |
564 | } | |
565 | ||
566 | ||
567 | Float_t AliTPCParam::GetYOuter(Int_t irow) const | |
568 | { | |
569 | return fYOuter[irow]; | |
570 | } | |
571 | ||
572 | ||
573 | ||
574 | ||
575 | ||
576 | ||
577 | ||
578 |