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cc80f89e | 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 | $Log$ | |
19364939 | 18 | Revision 1.10 2002/10/14 14:57:43 hristov |
19 | Merging the VirtualMC branch to the main development branch (HEAD) | |
20 | ||
b9d0a01d | 21 | Revision 1.7.4.1 2002/07/24 10:09:01 alibrary |
22 | Updating VirtualMC | |
23 | ||
24 | Revision 1.9 2002/06/07 06:13:07 kowal2 | |
25 | Corrected calculation of the cross talk in the outer sectors | |
26 | ||
ff9d8ca3 | 27 | Revision 1.8 2002/06/05 15:37:31 kowal2 |
28 | Added cross-talk from the wires beyond the first and the last rows | |
29 | ||
b584c7dd | 30 | Revision 1.7 2002/03/18 17:59:13 kowal2 |
31 | Chnges in the pad geometry - 3 pad lengths introduced. | |
32 | ||
f03e3423 | 33 | Revision 1.6 2002/02/25 11:02:56 kowal2 |
34 | Changes towards speeding up the code. Thanks to Marian Ivanov. | |
35 | ||
de61d5d5 | 36 | Revision 1.5 2001/12/06 07:49:30 kowal2 |
37 | corrected number of pads calculation | |
38 | ||
73477b37 | 39 | Revision 1.4 2000/11/02 07:33:15 kowal2 |
40 | Improvements of the code. | |
41 | ||
c11cb93f | 42 | Revision 1.3 2000/06/30 12:07:50 kowal2 |
43 | Updated from the TPC-PreRelease branch | |
44 | ||
73042f01 | 45 | Revision 1.2.4.2 2000/06/14 16:48:24 kowal2 |
46 | Parameter setting improved. Removed compiler warnings | |
47 | ||
48 | Revision 1.2.4.1 2000/06/09 07:55:39 kowal2 | |
49 | ||
50 | Updated defaults | |
51 | ||
52 | Revision 1.2 2000/04/17 09:37:33 kowal2 | |
53 | removed obsolete AliTPCDigitsDisplay.C | |
54 | ||
cc80f89e | 55 | Revision 1.1.4.2 2000/04/10 11:36:13 kowal2 |
56 | ||
57 | New Detector parameters handling class | |
58 | ||
59 | */ | |
60 | ||
61 | /////////////////////////////////////////////////////////////////////// | |
62 | // Manager and of geomety classes for set: TPC // | |
63 | // // | |
64 | // !sectors are numbered from 0 // | |
65 | // !pad rows are numbered from 0 // | |
66 | // | |
67 | // 27.7. - AliTPCPaaramSr object for TPC | |
68 | // TPC with straight pad rows | |
69 | // Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk // | |
70 | // // | |
71 | /////////////////////////////////////////////////////////////////////// | |
72 | ||
73 | ||
19364939 | 74 | #include <Riostream.h> |
cc80f89e | 75 | #include <TMath.h> |
76 | #include <TObject.h> | |
77 | #include <AliTPCParamSR.h> | |
73042f01 | 78 | #include "AliTPCPRF2D.h" |
79 | #include "AliTPCRF1D.h" | |
de61d5d5 | 80 | #include "TH1.h" |
cc80f89e | 81 | |
82 | ||
83 | ClassImp(AliTPCParamSR) | |
84 | const static Int_t kMaxRows=600; | |
85 | const static Float_t kEdgeSectorSpace = 2.5; | |
73042f01 | 86 | const static Float_t kFacSigmaPadRow=3.; |
cc80f89e | 87 | const static Float_t kFacSigmaPad=3.; |
88 | const static Float_t kFacSigmaTime=3.; | |
89 | ||
90 | ||
91 | AliTPCParamSR::AliTPCParamSR() | |
92 | { | |
93 | // | |
94 | //constructor set the default parameters | |
95 | fInnerPRF=0; | |
f03e3423 | 96 | fOuter1PRF=0; |
97 | fOuter2PRF=0; | |
cc80f89e | 98 | fTimeRF = 0; |
99 | fFacSigmaPadRow = Float_t(kFacSigmaPadRow); | |
100 | fFacSigmaPad = Float_t(kFacSigmaPad); | |
101 | fFacSigmaTime = Float_t(kFacSigmaTime); | |
cc80f89e | 102 | SetDefault(); |
103 | Update(); | |
104 | } | |
105 | ||
106 | AliTPCParamSR::~AliTPCParamSR() | |
107 | { | |
108 | // | |
109 | //destructor destroy some dynmicaly alocated variables | |
110 | if (fInnerPRF != 0) delete fInnerPRF; | |
f03e3423 | 111 | if (fOuter1PRF != 0) delete fOuter1PRF; |
112 | if (fOuter2PRF != 0) delete fOuter2PRF; | |
cc80f89e | 113 | if (fTimeRF != 0) delete fTimeRF; |
114 | } | |
115 | ||
116 | void AliTPCParamSR::SetDefault() | |
117 | { | |
118 | //set default TPC param | |
119 | fbStatus = kFALSE; | |
120 | AliTPCParam::SetDefault(); | |
121 | } | |
122 | ||
123 | Int_t AliTPCParamSR::CalcResponse(Float_t* xyz, Int_t * index, Int_t row) | |
124 | { | |
125 | // | |
126 | //calculate bin response as function of the input position -x | |
127 | //return number of valid response bin | |
128 | // | |
129 | //we suppose that coordinate is expressed in float digits | |
130 | // it's mean coordinate system 8 | |
131 | //xyz[0] - float padrow xyz[1] is float pad (center pad is number 0) and xyz[2] is float time bin | |
f03e3423 | 132 | if ( (fInnerPRF==0)||(fOuter1PRF==0)||(fOuter2PRF==0) ||(fTimeRF==0) ){ |
cc80f89e | 133 | Error("AliTPCParamSR", "response function was not adjusted"); |
134 | return -1; | |
135 | } | |
136 | ||
137 | Float_t sfpadrow; // sigma of response function | |
138 | Float_t sfpad; // sigma of | |
139 | Float_t sftime= fFacSigmaTime*fTimeRF->GetSigma()/fZWidth; //3 sigma of time response | |
140 | if (index[1]<fNInnerSector){ | |
141 | sfpadrow =fFacSigmaPadRow*fInnerPRF->GetSigmaY()/fInnerPadPitchLength; | |
142 | sfpad =fFacSigmaPad*fInnerPRF->GetSigmaX()/fInnerPadPitchWidth; | |
f03e3423 | 143 | } |
144 | else{ | |
145 | if(row<fNRowUp1){ | |
146 | sfpadrow =fFacSigmaPadRow*fOuter1PRF->GetSigmaY()/fOuter1PadPitchLength; | |
147 | sfpad =fFacSigmaPad*fOuter1PRF->GetSigmaX()/fOuterPadPitchWidth;} | |
148 | else{ | |
149 | sfpadrow =fFacSigmaPadRow*fOuter2PRF->GetSigmaY()/fOuter2PadPitchLength; | |
150 | sfpad =fFacSigmaPad*fOuter2PRF->GetSigmaX()/fOuterPadPitchWidth; | |
151 | } | |
cc80f89e | 152 | } |
153 | ||
154 | Int_t fpadrow = TMath::Max(TMath::Nint(index[2]+xyz[0]-sfpadrow),0); //"first" padrow | |
155 | Int_t fpad = TMath::Nint(xyz[1]-sfpad); //first pad | |
156 | Int_t ftime = TMath::Max(TMath::Nint(xyz[2]+GetZOffset()/GetZWidth()-sftime),0); // first time | |
157 | Int_t lpadrow = TMath::Min(TMath::Nint(index[2]+xyz[0]+sfpadrow),fpadrow+19); //"last" padrow | |
158 | lpadrow = TMath::Min(GetNRow(index[1])-1,lpadrow); | |
159 | Int_t lpad = TMath::Min(TMath::Nint(xyz[1]+sfpad),fpad+19); //last pad | |
160 | Int_t ltime = TMath::Min(TMath::Nint(xyz[2]+GetZOffset()/GetZWidth()+sftime),ftime+19); // last time | |
161 | ltime = TMath::Min(ltime,GetMaxTBin()-1); | |
de61d5d5 | 162 | // |
163 | Int_t npads = GetNPads(index[1],row); | |
164 | if (fpad<-npads/2) | |
165 | fpad = -npads/2; | |
166 | if (lpad>npads/2) | |
167 | lpad= npads/2; | |
168 | if (ftime<0) ftime=0; | |
169 | // | |
cc80f89e | 170 | if (row>=0) { //if we are interesting about given pad row |
171 | if (fpadrow<=row) fpadrow =row; | |
172 | else | |
173 | return 0; | |
174 | if (lpadrow>=row) lpadrow = row; | |
175 | else | |
176 | return 0; | |
177 | } | |
178 | ||
179 | ||
180 | Float_t padres[20][20]; //I don't expect bigger number of bins | |
181 | Float_t timeres[20]; | |
182 | Int_t cindex3=0; | |
183 | Int_t cindex=0; | |
184 | Float_t cweight = 0; | |
185 | if (fpadrow>=0) { | |
186 | //calculate padresponse function | |
187 | Int_t padrow, pad; | |
188 | for (padrow = fpadrow;padrow<=lpadrow;padrow++) | |
189 | for (pad = fpad;pad<=lpad;pad++){ | |
f03e3423 | 190 | Float_t dy = (xyz[0]+Float_t(index[2]-padrow)); |
191 | Float_t dx = (xyz[1]+Float_t(pad)); | |
cc80f89e | 192 | if (index[1]<fNInnerSector) |
193 | padres[padrow-fpadrow][pad-fpad]=fInnerPRF->GetPRF(dx*fInnerPadPitchWidth,dy*fInnerPadPitchLength); | |
f03e3423 | 194 | else{ |
195 | if(row<fNRowUp1){ | |
196 | padres[padrow-fpadrow][pad-fpad]=fOuter1PRF->GetPRF(dx*fOuterPadPitchWidth,dy*fOuter1PadPitchLength);} | |
197 | else{ | |
198 | padres[padrow-fpadrow][pad-fpad]=fOuter2PRF->GetPRF(dx*fOuterPadPitchWidth,dy*fOuter2PadPitchLength);}}} | |
cc80f89e | 199 | //calculate time response function |
200 | Int_t time; | |
201 | for (time = ftime;time<=ltime;time++) | |
202 | timeres[time-ftime]= fTimeRF->GetRF((-xyz[2]+Float_t(time))*fZWidth); | |
203 | //write over threshold values to stack | |
204 | for (padrow = fpadrow;padrow<=lpadrow;padrow++) | |
205 | for (pad = fpad;pad<=lpad;pad++) | |
206 | for (time = ftime;time<=ltime;time++){ | |
207 | cweight = timeres[time-ftime]*padres[padrow-fpadrow][pad-fpad]; | |
208 | if (cweight>fResponseThreshold) { | |
209 | fResponseBin[cindex3]=padrow; | |
210 | fResponseBin[cindex3+1]=pad; | |
211 | fResponseBin[cindex3+2]=time; | |
212 | cindex3+=3; | |
213 | fResponseWeight[cindex]=cweight; | |
214 | cindex++; | |
215 | } | |
216 | } | |
217 | } | |
218 | fCurrentMax=cindex; | |
219 | return fCurrentMax; | |
220 | } | |
221 | ||
222 | void AliTPCParamSR::TransformTo8(Float_t *xyz, Int_t *index) const | |
223 | { | |
224 | // | |
225 | // transformate point to digit coordinate | |
226 | // | |
227 | if (index[0]==0) Transform0to1(xyz,index); | |
228 | if (index[0]==1) Transform1to2(xyz,index); | |
229 | if (index[0]==2) Transform2to3(xyz,index); | |
230 | if (index[0]==3) Transform3to4(xyz,index); | |
231 | if (index[0]==4) Transform4to8(xyz,index); | |
232 | } | |
233 | ||
234 | void AliTPCParamSR::TransformTo2(Float_t *xyz, Int_t *index) const | |
235 | { | |
236 | // | |
237 | //transformate point to rotated coordinate | |
238 | // | |
239 | //we suppose that | |
240 | if (index[0]==0) Transform0to1(xyz,index); | |
241 | if (index[0]==1) Transform1to2(xyz,index); | |
242 | if (index[0]==4) Transform4to3(xyz,index); | |
243 | if (index[0]==8) { //if we are in digit coordinate system transform to global | |
244 | Transform8to4(xyz,index); | |
245 | Transform4to3(xyz,index); | |
246 | } | |
247 | } | |
248 | ||
249 | void AliTPCParamSR::CRXYZtoXYZ(Float_t *xyz, | |
250 | const Int_t §or, const Int_t & padrow, Int_t option) const | |
251 | { | |
252 | //transform relative coordinates to absolute | |
253 | Bool_t rel = ( (option&2)!=0); | |
254 | Int_t index[2]={sector,padrow}; | |
255 | if (rel==kTRUE) Transform4to3(xyz,index);//if the position is relative to pad row | |
256 | Transform2to1(xyz,index); | |
257 | } | |
258 | ||
259 | void AliTPCParamSR::XYZtoCRXYZ(Float_t *xyz, | |
260 | Int_t §or, Int_t & padrow, Int_t option) const | |
261 | { | |
262 | //transform global position to the position relative to the sector padrow | |
263 | //if option=0 X calculate absolute calculate sector | |
264 | //if option=1 X absolute use input sector | |
265 | //if option=2 X relative to pad row calculate sector | |
266 | //if option=3 X relative use input sector | |
267 | //!!!!!!!!! WE start to calculate rows from row = 0 | |
268 | Int_t index[2]; | |
269 | Bool_t rel = ( (option&2)!=0); | |
270 | ||
271 | //option 0 and 2 means that we don't have information about sector | |
272 | if ((option&1)==0) Transform0to1(xyz,index); //we calculate sector number | |
273 | else | |
274 | index[0]=sector; | |
275 | Transform1to2(xyz,index); | |
276 | Transform2to3(xyz,index); | |
277 | //if we store relative position calculate position relative to pad row | |
278 | if (rel==kTRUE) Transform3to4(xyz,index); | |
279 | sector = index[0]; | |
280 | padrow = index[1]; | |
281 | } | |
282 | ||
283 | Float_t AliTPCParamSR::GetPrimaryLoss(Float_t *x, Int_t *index, Float_t *angle) | |
284 | { | |
285 | // | |
286 | // | |
287 | Float_t padlength=GetPadPitchLength(index[1]); | |
288 | Float_t a1=TMath::Sin(angle[0]); | |
289 | a1*=a1; | |
290 | Float_t a2=TMath::Sin(angle[1]); | |
291 | a2*=a2; | |
292 | Float_t length =padlength*TMath::Sqrt(1+a1+a2); | |
293 | return length*fNPrimLoss; | |
294 | } | |
295 | ||
296 | Float_t AliTPCParamSR::GetTotalLoss(Float_t *x, Int_t *index, Float_t *angle) | |
297 | { | |
298 | // | |
299 | // | |
300 | Float_t padlength=GetPadPitchLength(index[1]); | |
301 | Float_t a1=TMath::Sin(angle[0]); | |
302 | a1*=a1; | |
303 | Float_t a2=TMath::Sin(angle[1]); | |
304 | a2*=a2; | |
305 | Float_t length =padlength*TMath::Sqrt(1+a1+a2); | |
306 | return length*fNTotalLoss; | |
307 | ||
308 | } | |
309 | ||
310 | ||
311 | void AliTPCParamSR::GetClusterSize(Float_t *x, Int_t *index, Float_t *angle, Int_t mode, Float_t *sigma) | |
312 | { | |
313 | // | |
314 | //return cluster sigma2 (x,y) for particle at position x | |
315 | // in this case x coordinata is in drift direction | |
316 | //and y in pad row direction | |
317 | //we suppose that input coordinate system is digit system | |
318 | ||
319 | Float_t xx; | |
320 | Float_t lx[3] = {x[0],x[1],x[2]}; | |
321 | Int_t li[3] = {index[0],index[1],index[2]}; | |
322 | TransformTo2(lx,li); | |
323 | // Float_t sigmadiff; | |
324 | sigma[0]=0; | |
325 | sigma[1]=0; | |
326 | ||
327 | xx = lx[2]; //calculate drift length in cm | |
328 | if (xx>0) { | |
329 | sigma[0]+= xx*GetDiffL()*GetDiffL(); | |
330 | sigma[1]+= xx*GetDiffT()*GetDiffT(); | |
331 | } | |
332 | ||
333 | ||
334 | //sigma[0]=sigma[1]=0; | |
335 | if (GetTimeRF()!=0) sigma[0]+=GetTimeRF()->GetSigma()*GetTimeRF()->GetSigma(); | |
336 | if ( (index[1]<fNInnerSector) &&(GetInnerPRF()!=0)) | |
337 | sigma[1]+=GetInnerPRF()->GetSigmaX()*GetInnerPRF()->GetSigmaX(); | |
f03e3423 | 338 | if ( (index[1]>=fNInnerSector) &&(index[2]<fNRowUp1) && (GetOuter1PRF()!=0)) |
339 | sigma[1]+=GetOuter1PRF()->GetSigmaX()*GetOuter1PRF()->GetSigmaX(); | |
340 | if( (index[1]>=fNInnerSector) &&(index[2]>=fNRowUp1) && (GetOuter2PRF()!=0)) | |
341 | sigma[1]+=GetOuter2PRF()->GetSigmaX()*GetOuter2PRF()->GetSigmaX(); | |
cc80f89e | 342 | |
343 | ||
344 | sigma[0]/= GetZWidth()*GetZWidth(); | |
345 | sigma[1]/=GetPadPitchWidth(index[0])*GetPadPitchWidth(index[0]); | |
346 | } | |
347 | ||
348 | ||
349 | ||
350 | ||
351 | void AliTPCParamSR::GetSpaceResolution(Float_t *x, Int_t *index, Float_t *angle, | |
352 | Float_t amplitude, Int_t mode, Float_t *sigma) | |
353 | { | |
354 | // | |
355 | // | |
356 | // | |
357 | ||
358 | } | |
359 | Float_t AliTPCParamSR::GetAmp(Float_t *x, Int_t *index, Float_t *angle) | |
360 | { | |
361 | // | |
362 | // | |
363 | // | |
364 | return 0; | |
365 | } | |
366 | ||
367 | Float_t * AliTPCParamSR::GetAnglesAccMomentum(Float_t *x, Int_t * index, Float_t* momentum, Float_t *angle) | |
368 | { | |
369 | // | |
370 | //calculate angle of track to padrow at given position | |
371 | // for given magnetic field and momentum of the particle | |
372 | // | |
373 | ||
374 | TransformTo2(x,index); | |
375 | AliDetectorParam::GetAnglesAccMomentum(x,index,momentum,angle); | |
376 | Float_t addangle = TMath::ASin(x[1]/GetPadRowRadii(index[1],index[2])); | |
377 | angle[1] +=addangle; | |
378 | return angle; | |
379 | } | |
380 | ||
381 | ||
382 | Bool_t AliTPCParamSR::Update() | |
383 | { | |
cc80f89e | 384 | Int_t i; |
385 | if (AliTPCParam::Update()==kFALSE) return kFALSE; | |
386 | fbStatus = kFALSE; | |
387 | ||
f03e3423 | 388 | Float_t firstrow = fInnerRadiusLow + 2.225 ; |
389 | for( i= 0;i<fNRowLow;i++) | |
390 | { | |
391 | Float_t x = firstrow + fInnerPadPitchLength*(Float_t)i; | |
392 | fPadRowLow[i]=x; | |
393 | // number of pads per row | |
394 | Float_t y = (x-0.5*fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount- | |
395 | fInnerPadPitchWidth/2.; | |
b584c7dd | 396 | // 0 and fNRowLow+1 reserved for cross talk rows |
397 | fYInner[i+1] = x*tan(fInnerAngle/2.)-fInnerWireMount; | |
f03e3423 | 398 | fNPadsLow[i] = 1+2*(Int_t)(y/fInnerPadPitchWidth) ; |
399 | } | |
b584c7dd | 400 | // cross talk rows |
401 | fYInner[0]=(fPadRowLow[0]-fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount; | |
402 | fYInner[fNRowLow+1]=(fPadRowLow[fNRowLow-1]+fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount; | |
f03e3423 | 403 | firstrow = fOuterRadiusLow + 1.6; |
404 | for(i=0;i<fNRowUp;i++) | |
405 | { | |
406 | if(i<fNRowUp1){ | |
407 | Float_t x = firstrow + fOuter1PadPitchLength*(Float_t)i; | |
408 | fPadRowUp[i]=x; | |
409 | Float_t y =(x-0.5*fOuter1PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount- | |
410 | fOuterPadPitchWidth/2.; | |
b584c7dd | 411 | fYOuter[i+1]= x*tan(fOuterAngle/2.)-fOuterWireMount; |
f03e3423 | 412 | fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ; |
413 | if(i==fNRowUp1-1) { | |
414 | fLastWireUp1=fPadRowUp[i] +0.375; | |
415 | firstrow = fPadRowUp[i] + 0.5*(fOuter1PadPitchLength+fOuter2PadPitchLength); | |
416 | } | |
417 | } | |
418 | else | |
419 | { | |
420 | Float_t x = firstrow + fOuter2PadPitchLength*(Float_t)(i-64); | |
421 | fPadRowUp[i]=x; | |
422 | Float_t y =(x-0.5*fOuter2PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount- | |
423 | fOuterPadPitchWidth/2.; | |
424 | fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ; | |
cc80f89e | 425 | } |
b584c7dd | 426 | fYOuter[i+1] = fPadRowUp[i]*tan(fOuterAngle/2.)-fOuterWireMount; |
f03e3423 | 427 | } |
b584c7dd | 428 | // cross talk rows |
429 | fYOuter[0]=(fPadRowUp[0]-fOuter1PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount; | |
430 | fYOuter[fNRowUp+1]=(fPadRowUp[fNRowUp-1]+fOuter2PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount; | |
f03e3423 | 431 | fNtRows = fNInnerSector*fNRowLow+fNOuterSector*fNRowUp; |
432 | fbStatus = kTRUE; | |
433 | return kTRUE; | |
434 | } | |
435 | Float_t AliTPCParamSR::GetYInner(Int_t irow) const | |
436 | { | |
437 | return fYInner[irow]; | |
438 | } | |
439 | Float_t AliTPCParamSR::GetYOuter(Int_t irow) const | |
440 | { | |
441 | return fYOuter[irow]; | |
cc80f89e | 442 | } |
cc80f89e | 443 | |
cc80f89e | 444 | void AliTPCParamSR::Streamer(TBuffer &R__b) |
445 | { | |
446 | // Stream an object of class AliTPC. | |
447 | ||
448 | if (R__b.IsReading()) { | |
449 | Version_t R__v = R__b.ReadVersion(); if (R__v) { } | |
450 | // TObject::Streamer(R__b); | |
451 | AliTPCParam::Streamer(R__b); | |
452 | // if (R__v < 2) return; | |
453 | Update(); | |
454 | } else { | |
455 | R__b.WriteVersion(AliTPCParamSR::IsA()); | |
456 | //TObject::Streamer(R__b); | |
457 | AliTPCParam::Streamer(R__b); | |
458 | } | |
459 | } | |
de61d5d5 | 460 | Int_t AliTPCParamSR::CalcResponseFast(Float_t* xyz, Int_t * index, Int_t row) |
461 | { | |
462 | // | |
463 | //calculate bin response as function of the input position -x | |
464 | //return number of valid response bin | |
465 | // | |
466 | //we suppose that coordinate is expressed in float digits | |
467 | // it's mean coordinate system 8 | |
b584c7dd | 468 | //xyz[0] - electron position w.r.t. pad center, normalized to pad length, |
469 | //xyz[1] is float pad (center pad is number 0) and xyz[2] is float time bin | |
f03e3423 | 470 | if ( (fInnerPRF==0)||(fOuter1PRF==0)||(fOuter2PRF==0) ||(fTimeRF==0) ){ |
de61d5d5 | 471 | Error("AliTPCParamSR", "response function was not adjusted"); |
472 | return -1; | |
473 | } | |
474 | ||
475 | const Int_t padn = 500; | |
476 | const Float_t fpadn = 500.; | |
477 | const Int_t timen = 500; | |
478 | const Float_t ftimen = 500.; | |
479 | const Int_t padrn = 500; | |
480 | const Float_t fpadrn = 500.; | |
481 | ||
482 | ||
cc80f89e | 483 | |
de61d5d5 | 484 | static Float_t prfinner[2*padrn][5*padn]; //pad divided by 50 |
f03e3423 | 485 | static Float_t prfouter1[2*padrn][5*padn]; //prfouter division |
486 | static Float_t prfouter2[2*padrn][5*padn]; | |
487 | ||
de61d5d5 | 488 | static Float_t rftime[5*timen]; //time division |
489 | static Int_t blabla=0; | |
490 | static Float_t zoffset=0; | |
491 | static Float_t zwidth=0; | |
492 | static Float_t zoffset2=0; | |
493 | static TH1F * hdiff=0; | |
494 | static TH1F * hdiff1=0; | |
495 | static TH1F * hdiff2=0; | |
496 | ||
497 | if (blabla==0) { //calculate Response function - only at the begginning | |
498 | hdiff =new TH1F("prf_diff","prf_diff",10000,-1,1); | |
499 | hdiff1 =new TH1F("no_repsonse1","no_response1",10000,-1,1); | |
500 | hdiff2 =new TH1F("no_response2","no_response2",10000,-1,1); | |
501 | ||
502 | blabla=1; | |
503 | zoffset = GetZOffset(); | |
504 | zwidth = fZWidth; | |
505 | zoffset2 = zoffset/zwidth; | |
506 | for (Int_t i=0;i<5*timen;i++){ | |
507 | rftime[i] = fTimeRF->GetRF(((i-2.5*ftimen)/ftimen)*zwidth+zoffset); | |
508 | } | |
509 | for (Int_t i=0;i<5*padn;i++){ | |
510 | for (Int_t j=0;j<2*padrn;j++){ | |
511 | prfinner[j][i] = | |
512 | fInnerPRF->GetPRF((i-2.5*fpadn)/fpadn | |
513 | *fInnerPadPitchWidth,(j-fpadrn)/fpadrn*fInnerPadPitchLength); | |
f03e3423 | 514 | prfouter1[j][i] = |
515 | fOuter1PRF->GetPRF((i-2.5*fpadn)/fpadn | |
516 | *fOuterPadPitchWidth,(j-fpadrn)/fpadrn*fOuter1PadPitchLength); | |
517 | ||
518 | // | |
519 | prfouter2[j][i] = | |
520 | fOuter2PRF->GetPRF((i-2.5*fpadn)/fpadn | |
521 | *fOuterPadPitchWidth,(j-fpadrn)/fpadrn*fOuter2PadPitchLength); | |
de61d5d5 | 522 | } |
523 | } | |
f03e3423 | 524 | } // the above is calculated only once |
525 | ||
de61d5d5 | 526 | // calculate central padrow, pad, time |
b584c7dd | 527 | Int_t npads = GetNPads(index[1],index[3]-1); |
f03e3423 | 528 | Int_t cpadrow = index[2]; // electrons are here |
de61d5d5 | 529 | Int_t cpad = TMath::Nint(xyz[1]); |
530 | Int_t ctime = TMath::Nint(xyz[2]+zoffset2); | |
531 | //calulate deviation | |
532 | Float_t dpadrow = xyz[0]; | |
533 | Float_t dpad = xyz[1]-cpad; | |
534 | Float_t dtime = xyz[2]+zoffset2-ctime; | |
535 | Int_t cindex =0; | |
536 | Int_t cindex3 =0; | |
537 | Int_t maxt =GetMaxTBin(); | |
538 | ||
539 | Int_t fpadrow; | |
540 | Int_t lpadrow; | |
541 | ||
542 | if (row>=0) { //if we are interesting about given pad row | |
543 | fpadrow = row-cpadrow; | |
544 | lpadrow = row-cpadrow; | |
545 | }else{ | |
546 | fpadrow = (index[2]>1) ? -1 :0; | |
547 | lpadrow = (index[2]<GetNRow(index[1])-1) ? 1:0; | |
548 | } | |
549 | Int_t fpad = (cpad > -npads/2+1) ? -2: -npads/2-cpad; | |
550 | Int_t lpad = (cpad < npads/2-1) ? 2: npads/2-cpad; | |
551 | Int_t ftime = (ctime>1) ? -2: -ctime; | |
552 | Int_t ltime = (ctime<maxt-2) ? 2: maxt-ctime-1; | |
553 | ||
f03e3423 | 554 | // cross talk from long pad to short one |
b584c7dd | 555 | if(row==fNRowUp1 && fpadrow==-1) { |
f03e3423 | 556 | dpadrow *= fOuter2PadPitchLength; |
557 | dpadrow += fOuterWWPitch; | |
558 | dpadrow /= fOuter1PadPitchLength; | |
559 | } | |
560 | // cross talk from short pad to long one | |
b584c7dd | 561 | if(row==fNRowUp1+1 && fpadrow==1){ |
f03e3423 | 562 | dpadrow *= fOuter1PadPitchLength; |
b584c7dd | 563 | if(dpadrow < 0.) dpadrow = -1.; //protection against 3rd wire |
f03e3423 | 564 | dpadrow += fOuterWWPitch; |
565 | dpadrow /= fOuter2PadPitchLength; | |
566 | ||
567 | } | |
568 | // "normal" | |
569 | Int_t apadrow = TMath::Nint((dpadrow-fpadrow)*fpadrn+fpadrn); | |
de61d5d5 | 570 | for (Int_t ipadrow = fpadrow; ipadrow<=lpadrow;ipadrow++){ |
571 | if ( (apadrow<0) || (apadrow>=2*padrn)) | |
572 | continue; | |
573 | Int_t apad= TMath::Nint((dpad-fpad)*fpadn+2.5*fpadn); | |
574 | for (Int_t ipad = fpad; ipad<=lpad;ipad++){ | |
575 | Float_t cweight; | |
576 | if (index[1]<fNInnerSector) | |
577 | cweight=prfinner[apadrow][apad]; | |
f03e3423 | 578 | else{ |
ff9d8ca3 | 579 | if(row < fNRowUp1+1) |
f03e3423 | 580 | cweight=prfouter1[apadrow][apad]; |
581 | else cweight=prfouter2[apadrow][apad]; | |
582 | } | |
583 | ||
de61d5d5 | 584 | // if (cweight<fResponseThreshold) continue; |
585 | Int_t atime = TMath::Nint((dtime-ftime)*ftimen+2.5*ftimen); | |
586 | for (Int_t itime = ftime;itime<=ltime;itime++){ | |
587 | Float_t cweight2 = cweight*rftime[atime]; | |
588 | if (cweight2>fResponseThreshold) { | |
589 | fResponseBin[cindex3++]=cpadrow+ipadrow; | |
590 | fResponseBin[cindex3++]=cpad+ipad; | |
591 | fResponseBin[cindex3++]=ctime+itime; | |
592 | fResponseWeight[cindex++]=cweight2; | |
593 | ||
594 | if (cweight2>100) | |
595 | { | |
596 | printf("Pici pici %d %f %d\n",ipad,dpad,apad); | |
597 | } | |
598 | ||
599 | } | |
600 | atime-=timen; | |
601 | } | |
602 | apad-= padn; | |
603 | } | |
604 | apadrow-=padrn; | |
605 | } | |
606 | fCurrentMax=cindex; | |
607 | return fCurrentMax; | |
608 | ||
609 | } | |
cc80f89e | 610 | |
611 | ||
612 | ||
c11cb93f | 613 | |
614 | ||
615 | ||
616 |