]>
Commit | Line | Data |
---|---|---|
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 | ||
88cb7938 | 16 | /* $Id$ */ |
cc80f89e | 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 | // 27.7. - AliTPCPaaramSr object for TPC | |
25 | // TPC with straight pad rows | |
26 | // Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk // | |
27 | // // | |
28 | /////////////////////////////////////////////////////////////////////// | |
29 | ||
b4de2219 | 30 | //#include <Riostream.h> |
cc80f89e | 31 | #include <TMath.h> |
b4de2219 | 32 | |
73042f01 | 33 | #include "AliTPCPRF2D.h" |
b4de2219 | 34 | #include "AliTPCParamSR.h" |
73042f01 | 35 | #include "AliTPCRF1D.h" |
de61d5d5 | 36 | #include "TH1.h" |
ab85d8c2 | 37 | #include "AliTPCROC.h" |
38 | #include "TGeoManager.h" | |
cc80f89e | 39 | |
cc80f89e | 40 | ClassImp(AliTPCParamSR) |
176aff27 | 41 | static const Int_t kMaxRows=600; |
42 | static const Float_t kEdgeSectorSpace = 2.5; | |
43 | static const Float_t kFacSigmaPadRow=3.; | |
44 | static const Float_t kFacSigmaPad=3.; | |
45 | static const Float_t kFacSigmaTime=3.; | |
cc80f89e | 46 | |
47 | ||
48 | AliTPCParamSR::AliTPCParamSR() | |
179c6296 | 49 | :AliTPCParam(), |
50 | fInnerPRF(0), | |
51 | fOuter1PRF(0), | |
52 | fOuter2PRF(0), | |
53 | fTimeRF(0), | |
54 | fFacSigmaPadRow(0), | |
55 | fFacSigmaPad(0), | |
56 | fFacSigmaTime(0) | |
cc80f89e | 57 | { |
58 | // | |
59 | //constructor set the default parameters | |
179c6296 | 60 | // |
61 | ||
cc80f89e | 62 | fFacSigmaPadRow = Float_t(kFacSigmaPadRow); |
63 | fFacSigmaPad = Float_t(kFacSigmaPad); | |
64 | fFacSigmaTime = Float_t(kFacSigmaTime); | |
cc80f89e | 65 | SetDefault(); |
66 | Update(); | |
67 | } | |
68 | ||
69 | AliTPCParamSR::~AliTPCParamSR() | |
70 | { | |
71 | // | |
72 | //destructor destroy some dynmicaly alocated variables | |
73 | if (fInnerPRF != 0) delete fInnerPRF; | |
f03e3423 | 74 | if (fOuter1PRF != 0) delete fOuter1PRF; |
75 | if (fOuter2PRF != 0) delete fOuter2PRF; | |
cc80f89e | 76 | if (fTimeRF != 0) delete fTimeRF; |
77 | } | |
78 | ||
79 | void AliTPCParamSR::SetDefault() | |
80 | { | |
81 | //set default TPC param | |
82 | fbStatus = kFALSE; | |
83 | AliTPCParam::SetDefault(); | |
84 | } | |
85 | ||
86 | Int_t AliTPCParamSR::CalcResponse(Float_t* xyz, Int_t * index, Int_t row) | |
87 | { | |
88 | // | |
89 | //calculate bin response as function of the input position -x | |
90 | //return number of valid response bin | |
91 | // | |
92 | //we suppose that coordinate is expressed in float digits | |
93 | // it's mean coordinate system 8 | |
94 | //xyz[0] - float padrow xyz[1] is float pad (center pad is number 0) and xyz[2] is float time bin | |
e61fd20d | 95 | //xyz[3] - electron time in float time bin format |
f03e3423 | 96 | if ( (fInnerPRF==0)||(fOuter1PRF==0)||(fOuter2PRF==0) ||(fTimeRF==0) ){ |
cc80f89e | 97 | Error("AliTPCParamSR", "response function was not adjusted"); |
98 | return -1; | |
99 | } | |
100 | ||
101 | Float_t sfpadrow; // sigma of response function | |
102 | Float_t sfpad; // sigma of | |
103 | Float_t sftime= fFacSigmaTime*fTimeRF->GetSigma()/fZWidth; //3 sigma of time response | |
104 | if (index[1]<fNInnerSector){ | |
105 | sfpadrow =fFacSigmaPadRow*fInnerPRF->GetSigmaY()/fInnerPadPitchLength; | |
106 | sfpad =fFacSigmaPad*fInnerPRF->GetSigmaX()/fInnerPadPitchWidth; | |
f03e3423 | 107 | } |
108 | else{ | |
109 | if(row<fNRowUp1){ | |
110 | sfpadrow =fFacSigmaPadRow*fOuter1PRF->GetSigmaY()/fOuter1PadPitchLength; | |
111 | sfpad =fFacSigmaPad*fOuter1PRF->GetSigmaX()/fOuterPadPitchWidth;} | |
112 | else{ | |
113 | sfpadrow =fFacSigmaPadRow*fOuter2PRF->GetSigmaY()/fOuter2PadPitchLength; | |
114 | sfpad =fFacSigmaPad*fOuter2PRF->GetSigmaX()/fOuterPadPitchWidth; | |
115 | } | |
cc80f89e | 116 | } |
117 | ||
118 | Int_t fpadrow = TMath::Max(TMath::Nint(index[2]+xyz[0]-sfpadrow),0); //"first" padrow | |
119 | Int_t fpad = TMath::Nint(xyz[1]-sfpad); //first pad | |
c2940e77 | 120 | Int_t ftime = TMath::Max(TMath::Nint(xyz[2]+xyz[3]+GetZOffset()/GetZWidth()-sftime),0); // first time |
cc80f89e | 121 | Int_t lpadrow = TMath::Min(TMath::Nint(index[2]+xyz[0]+sfpadrow),fpadrow+19); //"last" padrow |
122 | lpadrow = TMath::Min(GetNRow(index[1])-1,lpadrow); | |
123 | Int_t lpad = TMath::Min(TMath::Nint(xyz[1]+sfpad),fpad+19); //last pad | |
c2940e77 | 124 | Int_t ltime = TMath::Min(TMath::Nint(xyz[2]+xyz[3]+GetZOffset()/GetZWidth()+sftime),ftime+19); // last time |
cc80f89e | 125 | ltime = TMath::Min(ltime,GetMaxTBin()-1); |
de61d5d5 | 126 | // |
127 | Int_t npads = GetNPads(index[1],row); | |
128 | if (fpad<-npads/2) | |
129 | fpad = -npads/2; | |
130 | if (lpad>npads/2) | |
131 | lpad= npads/2; | |
132 | if (ftime<0) ftime=0; | |
133 | // | |
cc80f89e | 134 | if (row>=0) { //if we are interesting about given pad row |
135 | if (fpadrow<=row) fpadrow =row; | |
136 | else | |
137 | return 0; | |
138 | if (lpadrow>=row) lpadrow = row; | |
139 | else | |
140 | return 0; | |
141 | } | |
142 | ||
143 | ||
144 | Float_t padres[20][20]; //I don't expect bigger number of bins | |
145 | Float_t timeres[20]; | |
146 | Int_t cindex3=0; | |
147 | Int_t cindex=0; | |
148 | Float_t cweight = 0; | |
149 | if (fpadrow>=0) { | |
150 | //calculate padresponse function | |
151 | Int_t padrow, pad; | |
152 | for (padrow = fpadrow;padrow<=lpadrow;padrow++) | |
153 | for (pad = fpad;pad<=lpad;pad++){ | |
f03e3423 | 154 | Float_t dy = (xyz[0]+Float_t(index[2]-padrow)); |
155 | Float_t dx = (xyz[1]+Float_t(pad)); | |
cc80f89e | 156 | if (index[1]<fNInnerSector) |
157 | padres[padrow-fpadrow][pad-fpad]=fInnerPRF->GetPRF(dx*fInnerPadPitchWidth,dy*fInnerPadPitchLength); | |
f03e3423 | 158 | else{ |
159 | if(row<fNRowUp1){ | |
160 | padres[padrow-fpadrow][pad-fpad]=fOuter1PRF->GetPRF(dx*fOuterPadPitchWidth,dy*fOuter1PadPitchLength);} | |
161 | else{ | |
162 | padres[padrow-fpadrow][pad-fpad]=fOuter2PRF->GetPRF(dx*fOuterPadPitchWidth,dy*fOuter2PadPitchLength);}}} | |
cc80f89e | 163 | //calculate time response function |
164 | Int_t time; | |
165 | for (time = ftime;time<=ltime;time++) | |
c2940e77 | 166 | timeres[time-ftime]= fTimeRF->GetRF((-xyz[2]-xyz[3]+Float_t(time))*fZWidth); |
cc80f89e | 167 | //write over threshold values to stack |
168 | for (padrow = fpadrow;padrow<=lpadrow;padrow++) | |
169 | for (pad = fpad;pad<=lpad;pad++) | |
170 | for (time = ftime;time<=ltime;time++){ | |
171 | cweight = timeres[time-ftime]*padres[padrow-fpadrow][pad-fpad]; | |
172 | if (cweight>fResponseThreshold) { | |
173 | fResponseBin[cindex3]=padrow; | |
174 | fResponseBin[cindex3+1]=pad; | |
175 | fResponseBin[cindex3+2]=time; | |
176 | cindex3+=3; | |
177 | fResponseWeight[cindex]=cweight; | |
178 | cindex++; | |
179 | } | |
180 | } | |
181 | } | |
182 | fCurrentMax=cindex; | |
183 | return fCurrentMax; | |
184 | } | |
185 | ||
186 | void AliTPCParamSR::TransformTo8(Float_t *xyz, Int_t *index) const | |
187 | { | |
188 | // | |
189 | // transformate point to digit coordinate | |
190 | // | |
191 | if (index[0]==0) Transform0to1(xyz,index); | |
192 | if (index[0]==1) Transform1to2(xyz,index); | |
193 | if (index[0]==2) Transform2to3(xyz,index); | |
194 | if (index[0]==3) Transform3to4(xyz,index); | |
195 | if (index[0]==4) Transform4to8(xyz,index); | |
196 | } | |
197 | ||
198 | void AliTPCParamSR::TransformTo2(Float_t *xyz, Int_t *index) const | |
199 | { | |
200 | // | |
201 | //transformate point to rotated coordinate | |
202 | // | |
203 | //we suppose that | |
204 | if (index[0]==0) Transform0to1(xyz,index); | |
205 | if (index[0]==1) Transform1to2(xyz,index); | |
206 | if (index[0]==4) Transform4to3(xyz,index); | |
207 | if (index[0]==8) { //if we are in digit coordinate system transform to global | |
208 | Transform8to4(xyz,index); | |
209 | Transform4to3(xyz,index); | |
210 | } | |
211 | } | |
212 | ||
213 | void AliTPCParamSR::CRXYZtoXYZ(Float_t *xyz, | |
214 | const Int_t §or, const Int_t & padrow, Int_t option) const | |
215 | { | |
216 | //transform relative coordinates to absolute | |
217 | Bool_t rel = ( (option&2)!=0); | |
f99d7d41 | 218 | Int_t index[3]={sector,padrow,0}; |
cc80f89e | 219 | if (rel==kTRUE) Transform4to3(xyz,index);//if the position is relative to pad row |
220 | Transform2to1(xyz,index); | |
221 | } | |
222 | ||
223 | void AliTPCParamSR::XYZtoCRXYZ(Float_t *xyz, | |
224 | Int_t §or, Int_t & padrow, Int_t option) const | |
225 | { | |
226 | //transform global position to the position relative to the sector padrow | |
227 | //if option=0 X calculate absolute calculate sector | |
228 | //if option=1 X absolute use input sector | |
229 | //if option=2 X relative to pad row calculate sector | |
230 | //if option=3 X relative use input sector | |
231 | //!!!!!!!!! WE start to calculate rows from row = 0 | |
712976a6 | 232 | Int_t index[3]; |
cc80f89e | 233 | Bool_t rel = ( (option&2)!=0); |
234 | ||
235 | //option 0 and 2 means that we don't have information about sector | |
236 | if ((option&1)==0) Transform0to1(xyz,index); //we calculate sector number | |
237 | else | |
238 | index[0]=sector; | |
239 | Transform1to2(xyz,index); | |
240 | Transform2to3(xyz,index); | |
241 | //if we store relative position calculate position relative to pad row | |
242 | if (rel==kTRUE) Transform3to4(xyz,index); | |
243 | sector = index[0]; | |
244 | padrow = index[1]; | |
245 | } | |
246 | ||
176aff27 | 247 | Float_t AliTPCParamSR::GetPrimaryLoss(Float_t */*x*/, Int_t *index, Float_t *angle) |
cc80f89e | 248 | { |
249 | // | |
250 | // | |
251 | Float_t padlength=GetPadPitchLength(index[1]); | |
252 | Float_t a1=TMath::Sin(angle[0]); | |
253 | a1*=a1; | |
254 | Float_t a2=TMath::Sin(angle[1]); | |
255 | a2*=a2; | |
256 | Float_t length =padlength*TMath::Sqrt(1+a1+a2); | |
257 | return length*fNPrimLoss; | |
258 | } | |
259 | ||
176aff27 | 260 | Float_t AliTPCParamSR::GetTotalLoss(Float_t */*x*/, Int_t *index, Float_t *angle) |
cc80f89e | 261 | { |
262 | // | |
263 | // | |
264 | Float_t padlength=GetPadPitchLength(index[1]); | |
265 | Float_t a1=TMath::Sin(angle[0]); | |
266 | a1*=a1; | |
267 | Float_t a2=TMath::Sin(angle[1]); | |
268 | a2*=a2; | |
269 | Float_t length =padlength*TMath::Sqrt(1+a1+a2); | |
270 | return length*fNTotalLoss; | |
271 | ||
272 | } | |
273 | ||
274 | ||
176aff27 | 275 | void AliTPCParamSR::GetClusterSize(Float_t *x, Int_t *index, Float_t */*angle*/, Int_t /*mode*/, Float_t *sigma) |
cc80f89e | 276 | { |
277 | // | |
278 | //return cluster sigma2 (x,y) for particle at position x | |
279 | // in this case x coordinata is in drift direction | |
280 | //and y in pad row direction | |
281 | //we suppose that input coordinate system is digit system | |
282 | ||
283 | Float_t xx; | |
284 | Float_t lx[3] = {x[0],x[1],x[2]}; | |
285 | Int_t li[3] = {index[0],index[1],index[2]}; | |
286 | TransformTo2(lx,li); | |
287 | // Float_t sigmadiff; | |
288 | sigma[0]=0; | |
289 | sigma[1]=0; | |
290 | ||
291 | xx = lx[2]; //calculate drift length in cm | |
292 | if (xx>0) { | |
293 | sigma[0]+= xx*GetDiffL()*GetDiffL(); | |
294 | sigma[1]+= xx*GetDiffT()*GetDiffT(); | |
295 | } | |
296 | ||
297 | ||
298 | //sigma[0]=sigma[1]=0; | |
299 | if (GetTimeRF()!=0) sigma[0]+=GetTimeRF()->GetSigma()*GetTimeRF()->GetSigma(); | |
300 | if ( (index[1]<fNInnerSector) &&(GetInnerPRF()!=0)) | |
301 | sigma[1]+=GetInnerPRF()->GetSigmaX()*GetInnerPRF()->GetSigmaX(); | |
f03e3423 | 302 | if ( (index[1]>=fNInnerSector) &&(index[2]<fNRowUp1) && (GetOuter1PRF()!=0)) |
303 | sigma[1]+=GetOuter1PRF()->GetSigmaX()*GetOuter1PRF()->GetSigmaX(); | |
304 | if( (index[1]>=fNInnerSector) &&(index[2]>=fNRowUp1) && (GetOuter2PRF()!=0)) | |
305 | sigma[1]+=GetOuter2PRF()->GetSigmaX()*GetOuter2PRF()->GetSigmaX(); | |
cc80f89e | 306 | |
307 | ||
308 | sigma[0]/= GetZWidth()*GetZWidth(); | |
309 | sigma[1]/=GetPadPitchWidth(index[0])*GetPadPitchWidth(index[0]); | |
310 | } | |
311 | ||
312 | ||
313 | ||
314 | ||
176aff27 | 315 | void AliTPCParamSR::GetSpaceResolution(Float_t */*x*/, Int_t */*index*/, Float_t */*angle*/, |
316 | Float_t /*amplitude*/, Int_t /*mode*/, Float_t */*sigma*/) | |
cc80f89e | 317 | { |
318 | // | |
319 | // | |
320 | // | |
321 | ||
322 | } | |
176aff27 | 323 | Float_t AliTPCParamSR::GetAmp(Float_t */*x*/, Int_t */*index*/, Float_t */*angle*/) |
cc80f89e | 324 | { |
325 | // | |
326 | // | |
327 | // | |
328 | return 0; | |
329 | } | |
330 | ||
331 | Float_t * AliTPCParamSR::GetAnglesAccMomentum(Float_t *x, Int_t * index, Float_t* momentum, Float_t *angle) | |
332 | { | |
333 | // | |
334 | //calculate angle of track to padrow at given position | |
335 | // for given magnetic field and momentum of the particle | |
336 | // | |
337 | ||
338 | TransformTo2(x,index); | |
339 | AliDetectorParam::GetAnglesAccMomentum(x,index,momentum,angle); | |
340 | Float_t addangle = TMath::ASin(x[1]/GetPadRowRadii(index[1],index[2])); | |
341 | angle[1] +=addangle; | |
342 | return angle; | |
343 | } | |
344 | ||
345 | ||
346 | Bool_t AliTPCParamSR::Update() | |
347 | { | |
cc80f89e | 348 | Int_t i; |
349 | if (AliTPCParam::Update()==kFALSE) return kFALSE; | |
350 | fbStatus = kFALSE; | |
351 | ||
c254a4cb | 352 | Float_t firstrow = fInnerRadiusLow + 1.575; |
f03e3423 | 353 | for( i= 0;i<fNRowLow;i++) |
354 | { | |
355 | Float_t x = firstrow + fInnerPadPitchLength*(Float_t)i; | |
356 | fPadRowLow[i]=x; | |
357 | // number of pads per row | |
ab85d8c2 | 358 | // Float_t y = (x-0.5*fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount- |
359 | // fInnerPadPitchWidth/2.; | |
b584c7dd | 360 | // 0 and fNRowLow+1 reserved for cross talk rows |
361 | fYInner[i+1] = x*tan(fInnerAngle/2.)-fInnerWireMount; | |
ab85d8c2 | 362 | //fNPadsLow[i] = 1+2*(Int_t)(y/fInnerPadPitchWidth) ; |
363 | fNPadsLow[i] = AliTPCROC::Instance()->GetNPads(0,i) ; // ROC implement | |
f03e3423 | 364 | } |
b584c7dd | 365 | // cross talk rows |
366 | fYInner[0]=(fPadRowLow[0]-fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount; | |
367 | fYInner[fNRowLow+1]=(fPadRowLow[fNRowLow-1]+fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount; | |
f03e3423 | 368 | firstrow = fOuterRadiusLow + 1.6; |
369 | for(i=0;i<fNRowUp;i++) | |
370 | { | |
371 | if(i<fNRowUp1){ | |
372 | Float_t x = firstrow + fOuter1PadPitchLength*(Float_t)i; | |
373 | fPadRowUp[i]=x; | |
ab85d8c2 | 374 | // Float_t y =(x-0.5*fOuter1PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount- |
375 | // fOuterPadPitchWidth/2.; | |
b584c7dd | 376 | fYOuter[i+1]= x*tan(fOuterAngle/2.)-fOuterWireMount; |
ab85d8c2 | 377 | //fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ; |
378 | fNPadsUp[i] = AliTPCROC::Instance()->GetNPads(36,i) ; // ROC implement | |
f03e3423 | 379 | if(i==fNRowUp1-1) { |
401bc5a5 | 380 | fLastWireUp1=fPadRowUp[i] +0.625; |
f03e3423 | 381 | firstrow = fPadRowUp[i] + 0.5*(fOuter1PadPitchLength+fOuter2PadPitchLength); |
382 | } | |
383 | } | |
384 | else | |
385 | { | |
386 | Float_t x = firstrow + fOuter2PadPitchLength*(Float_t)(i-64); | |
387 | fPadRowUp[i]=x; | |
ab85d8c2 | 388 | //Float_t y =(x-0.5*fOuter2PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount- |
389 | // fOuterPadPitchWidth/2.; | |
390 | //fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ; | |
391 | fNPadsUp[i] = AliTPCROC::Instance()->GetNPads(36,i) ; // ROC implement | |
cc80f89e | 392 | } |
b584c7dd | 393 | fYOuter[i+1] = fPadRowUp[i]*tan(fOuterAngle/2.)-fOuterWireMount; |
f03e3423 | 394 | } |
b584c7dd | 395 | // cross talk rows |
396 | fYOuter[0]=(fPadRowUp[0]-fOuter1PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount; | |
397 | fYOuter[fNRowUp+1]=(fPadRowUp[fNRowUp-1]+fOuter2PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount; | |
f03e3423 | 398 | fNtRows = fNInnerSector*fNRowLow+fNOuterSector*fNRowUp; |
399 | fbStatus = kTRUE; | |
400 | return kTRUE; | |
401 | } | |
402 | Float_t AliTPCParamSR::GetYInner(Int_t irow) const | |
403 | { | |
404 | return fYInner[irow]; | |
405 | } | |
406 | Float_t AliTPCParamSR::GetYOuter(Int_t irow) const | |
407 | { | |
408 | return fYOuter[irow]; | |
cc80f89e | 409 | } |
cc80f89e | 410 | |
cc80f89e | 411 | void AliTPCParamSR::Streamer(TBuffer &R__b) |
412 | { | |
413 | // Stream an object of class AliTPC. | |
414 | ||
415 | if (R__b.IsReading()) { | |
416 | Version_t R__v = R__b.ReadVersion(); if (R__v) { } | |
417 | // TObject::Streamer(R__b); | |
418 | AliTPCParam::Streamer(R__b); | |
419 | // if (R__v < 2) return; | |
420 | Update(); | |
ab85d8c2 | 421 | if (gGeoManager) ReadGeoMatrices(); |
cc80f89e | 422 | } else { |
423 | R__b.WriteVersion(AliTPCParamSR::IsA()); | |
424 | //TObject::Streamer(R__b); | |
425 | AliTPCParam::Streamer(R__b); | |
426 | } | |
427 | } | |
f546a4b4 | 428 | Int_t AliTPCParamSR::CalcResponseFast(Float_t* xyz, Int_t * index, Int_t row, Float_t phase) |
de61d5d5 | 429 | { |
430 | // | |
431 | //calculate bin response as function of the input position -x | |
432 | //return number of valid response bin | |
433 | // | |
434 | //we suppose that coordinate is expressed in float digits | |
435 | // it's mean coordinate system 8 | |
b584c7dd | 436 | //xyz[0] - electron position w.r.t. pad center, normalized to pad length, |
437 | //xyz[1] is float pad (center pad is number 0) and xyz[2] is float time bin | |
e61fd20d | 438 | //xyz[3] - electron time in float time bin format |
f03e3423 | 439 | if ( (fInnerPRF==0)||(fOuter1PRF==0)||(fOuter2PRF==0) ||(fTimeRF==0) ){ |
de61d5d5 | 440 | Error("AliTPCParamSR", "response function was not adjusted"); |
441 | return -1; | |
442 | } | |
443 | ||
b4de2219 | 444 | const Int_t kpadn = 500; |
445 | const Float_t kfpadn = 500.; | |
446 | const Int_t ktimen = 500; | |
447 | const Float_t kftimen = 500.; | |
448 | const Int_t kpadrn = 500; | |
449 | const Float_t kfpadrn = 500.; | |
de61d5d5 | 450 | |
451 | ||
cc80f89e | 452 | |
b4de2219 | 453 | static Float_t prfinner[2*kpadrn][5*kpadn]; //pad divided by 50 |
454 | static Float_t prfouter1[2*kpadrn][5*kpadn]; //prfouter division | |
455 | static Float_t prfouter2[2*kpadrn][5*kpadn]; | |
ab85d8c2 | 456 | static Float_t kTanMax =0; |
f03e3423 | 457 | |
b4de2219 | 458 | static Float_t rftime[5*ktimen]; //time division |
de61d5d5 | 459 | static Int_t blabla=0; |
460 | static Float_t zoffset=0; | |
461 | static Float_t zwidth=0; | |
462 | static Float_t zoffset2=0; | |
463 | static TH1F * hdiff=0; | |
464 | static TH1F * hdiff1=0; | |
465 | static TH1F * hdiff2=0; | |
466 | ||
467 | if (blabla==0) { //calculate Response function - only at the begginning | |
ab85d8c2 | 468 | kTanMax = TMath::ATan(10.*TMath::DegToRad()); |
de61d5d5 | 469 | hdiff =new TH1F("prf_diff","prf_diff",10000,-1,1); |
470 | hdiff1 =new TH1F("no_repsonse1","no_response1",10000,-1,1); | |
471 | hdiff2 =new TH1F("no_response2","no_response2",10000,-1,1); | |
472 | ||
473 | blabla=1; | |
474 | zoffset = GetZOffset(); | |
475 | zwidth = fZWidth; | |
476 | zoffset2 = zoffset/zwidth; | |
b4de2219 | 477 | for (Int_t i=0;i<5*ktimen;i++){ |
478 | rftime[i] = fTimeRF->GetRF(((i-2.5*kftimen)/kftimen)*zwidth+zoffset); | |
de61d5d5 | 479 | } |
b4de2219 | 480 | for (Int_t i=0;i<5*kpadn;i++){ |
481 | for (Int_t j=0;j<2*kpadrn;j++){ | |
de61d5d5 | 482 | prfinner[j][i] = |
b4de2219 | 483 | fInnerPRF->GetPRF((i-2.5*kfpadn)/kfpadn |
484 | *fInnerPadPitchWidth,(j-kfpadrn)/kfpadrn*fInnerPadPitchLength); | |
f03e3423 | 485 | prfouter1[j][i] = |
b4de2219 | 486 | fOuter1PRF->GetPRF((i-2.5*kfpadn)/kfpadn |
487 | *fOuterPadPitchWidth,(j-kfpadrn)/kfpadrn*fOuter1PadPitchLength); | |
f03e3423 | 488 | |
489 | // | |
490 | prfouter2[j][i] = | |
b4de2219 | 491 | fOuter2PRF->GetPRF((i-2.5*kfpadn)/kfpadn |
492 | *fOuterPadPitchWidth,(j-kfpadrn)/kfpadrn*fOuter2PadPitchLength); | |
de61d5d5 | 493 | } |
494 | } | |
f03e3423 | 495 | } // the above is calculated only once |
496 | ||
de61d5d5 | 497 | // calculate central padrow, pad, time |
b584c7dd | 498 | Int_t npads = GetNPads(index[1],index[3]-1); |
f03e3423 | 499 | Int_t cpadrow = index[2]; // electrons are here |
e30e6a9c | 500 | Int_t cpad = TMath::Nint(xyz[1]); |
c2940e77 | 501 | Int_t ctime = TMath::Nint(xyz[2]+zoffset2+xyz[3]); |
de61d5d5 | 502 | //calulate deviation |
503 | Float_t dpadrow = xyz[0]; | |
504 | Float_t dpad = xyz[1]-cpad; | |
f546a4b4 | 505 | Float_t dtime = xyz[2]+zoffset2+xyz[3]-ctime+phase*0.25; |
de61d5d5 | 506 | Int_t cindex =0; |
507 | Int_t cindex3 =0; | |
508 | Int_t maxt =GetMaxTBin(); | |
509 | ||
510 | Int_t fpadrow; | |
511 | Int_t lpadrow; | |
512 | ||
513 | if (row>=0) { //if we are interesting about given pad row | |
514 | fpadrow = row-cpadrow; | |
515 | lpadrow = row-cpadrow; | |
516 | }else{ | |
517 | fpadrow = (index[2]>1) ? -1 :0; | |
518 | lpadrow = (index[2]<GetNRow(index[1])-1) ? 1:0; | |
519 | } | |
ab85d8c2 | 520 | |
e30e6a9c | 521 | Int_t fpad = (cpad > -npads/2+1) ? -2: -npads/2-cpad; |
522 | Int_t lpad = (cpad < npads/2-2) ? 2: npads/2-1-cpad; | |
de61d5d5 | 523 | Int_t ftime = (ctime>1) ? -2: -ctime; |
524 | Int_t ltime = (ctime<maxt-2) ? 2: maxt-ctime-1; | |
525 | ||
f03e3423 | 526 | // cross talk from long pad to short one |
b584c7dd | 527 | if(row==fNRowUp1 && fpadrow==-1) { |
f03e3423 | 528 | dpadrow *= fOuter2PadPitchLength; |
529 | dpadrow += fOuterWWPitch; | |
530 | dpadrow /= fOuter1PadPitchLength; | |
531 | } | |
532 | // cross talk from short pad to long one | |
b584c7dd | 533 | if(row==fNRowUp1+1 && fpadrow==1){ |
f03e3423 | 534 | dpadrow *= fOuter1PadPitchLength; |
b584c7dd | 535 | if(dpadrow < 0.) dpadrow = -1.; //protection against 3rd wire |
f03e3423 | 536 | dpadrow += fOuterWWPitch; |
537 | dpadrow /= fOuter2PadPitchLength; | |
538 | ||
539 | } | |
ab85d8c2 | 540 | |
f03e3423 | 541 | // "normal" |
b4de2219 | 542 | Int_t apadrow = TMath::Nint((dpadrow-fpadrow)*kfpadrn+kfpadrn); |
de61d5d5 | 543 | for (Int_t ipadrow = fpadrow; ipadrow<=lpadrow;ipadrow++){ |
b4de2219 | 544 | if ( (apadrow<0) || (apadrow>=2*kpadrn)) |
de61d5d5 | 545 | continue; |
ab85d8c2 | 546 | // pad angular correction |
af6a0f3f | 547 | Float_t angle = 0.; |
548 | if (npads != 0) | |
549 | angle = kTanMax*2.*(cpad+0.5)/Float_t(npads); | |
ab85d8c2 | 550 | Float_t dpadangle =0; |
551 | if (index[1]<fNInnerSector){ | |
552 | dpadangle = angle*dpadrow*fInnerPadPitchLength/fInnerPadPitchWidth; | |
553 | } | |
554 | else{ | |
555 | if(row < fNRowUp1+1){ | |
556 | dpadangle = angle*dpadrow*fOuter1PadPitchLength/fOuterPadPitchWidth; | |
557 | } | |
558 | else { | |
559 | dpadangle = angle*dpadrow*fOuter2PadPitchLength/fOuterPadPitchWidth; | |
560 | } | |
561 | } | |
562 | if (ipadrow==0) dpadangle *=-1; | |
563 | // | |
564 | // Int_t apad= TMath::Nint((dpad-fpad)*kfpadn+2.5*kfpadn); | |
565 | Int_t apad= TMath::Nint((dpad+dpadangle-fpad)*kfpadn+2.5*kfpadn); | |
de61d5d5 | 566 | for (Int_t ipad = fpad; ipad<=lpad;ipad++){ |
567 | Float_t cweight; | |
ab85d8c2 | 568 | if (index[1]<fNInnerSector){ |
de61d5d5 | 569 | cweight=prfinner[apadrow][apad]; |
ab85d8c2 | 570 | } |
f03e3423 | 571 | else{ |
ab85d8c2 | 572 | if(row < fNRowUp1+1){ |
f03e3423 | 573 | cweight=prfouter1[apadrow][apad]; |
ab85d8c2 | 574 | } |
575 | else { | |
576 | cweight=prfouter2[apadrow][apad]; | |
577 | } | |
f03e3423 | 578 | } |
de61d5d5 | 579 | // if (cweight<fResponseThreshold) continue; |
b4de2219 | 580 | Int_t atime = TMath::Nint((dtime-ftime)*kftimen+2.5*kftimen); |
de61d5d5 | 581 | for (Int_t itime = ftime;itime<=ltime;itime++){ |
582 | Float_t cweight2 = cweight*rftime[atime]; | |
583 | if (cweight2>fResponseThreshold) { | |
584 | fResponseBin[cindex3++]=cpadrow+ipadrow; | |
e30e6a9c | 585 | fResponseBin[cindex3++]=cpad+ipad; |
de61d5d5 | 586 | fResponseBin[cindex3++]=ctime+itime; |
ab85d8c2 | 587 | fResponseWeight[cindex++]=cweight2; |
de61d5d5 | 588 | } |
b4de2219 | 589 | atime-=ktimen; |
de61d5d5 | 590 | } |
b4de2219 | 591 | apad-= kpadn; |
de61d5d5 | 592 | } |
b4de2219 | 593 | apadrow-=kpadrn; |
de61d5d5 | 594 | } |
595 | fCurrentMax=cindex; | |
596 | return fCurrentMax; | |
597 | ||
598 | } | |
cc80f89e | 599 | |
600 | ||
601 | ||
c11cb93f | 602 | |
603 | ||
604 | ||
605 |