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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 | $Log$ | |
f03e3423 | 18 | Revision 1.5 2001/01/26 19:57:22 hristov |
19 | Major upgrade of AliRoot code | |
20 | ||
2ab0c725 | 21 | Revision 1.4 2000/11/02 07:33:15 kowal2 |
22 | Improvements of the code. | |
23 | ||
c11cb93f | 24 | Revision 1.3 2000/06/30 12:07:50 kowal2 |
25 | Updated from the TPC-PreRelease branch | |
26 | ||
73042f01 | 27 | Revision 1.2.4.1 2000/06/14 16:48:24 kowal2 |
28 | Parameter setting improved. Removed compiler warnings | |
29 | ||
30 | Revision 1.2 2000/04/17 09:37:33 kowal2 | |
31 | removed obsolete AliTPCDigitsDisplay.C | |
32 | ||
cc80f89e | 33 | Revision 1.1.4.2 2000/04/10 11:36:13 kowal2 |
34 | ||
35 | New Detector parameters handling class | |
36 | ||
37 | */ | |
38 | ||
39 | /////////////////////////////////////////////////////////////////////// | |
40 | // Manager and of geomety classes for set: TPC // | |
41 | // // | |
42 | // !sectors are numbered from 0 // | |
43 | // !pad rows are numbered from 0 // | |
44 | // | |
45 | // 27.7. - AliTPCPaaramSr object for TPC | |
46 | // TPC with straight pad rows | |
47 | // Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk // | |
48 | // // | |
49 | /////////////////////////////////////////////////////////////////////// | |
50 | ||
51 | ||
52 | #include <iostream.h> | |
53 | #include <TMath.h> | |
2ab0c725 | 54 | #include <TClass.h> |
cc80f89e | 55 | #include <AliTPCParamCR.h> |
73042f01 | 56 | #include "AliTPCPRF2D.h" |
57 | #include "AliTPCRF1D.h" | |
cc80f89e | 58 | |
59 | ||
60 | ||
61 | ClassImp(AliTPCParamCR) | |
62 | const static Int_t kMaxRows=600; | |
63 | const static Float_t kEdgeSectorSpace = 2.5; | |
64 | ||
65 | AliTPCParamCR::AliTPCParamCR() | |
66 | { | |
67 | // | |
68 | //constructor set the default parameters | |
69 | fInnerPRF=0; | |
f03e3423 | 70 | fOuter1PRF=0; |
71 | fOuter2PRF=0; | |
cc80f89e | 72 | fTimeRF = 0; |
73 | fFacSigma = Float_t(2.); | |
74 | SetDefault(); | |
75 | Update(); | |
76 | } | |
77 | ||
78 | AliTPCParamCR::~AliTPCParamCR() | |
79 | { | |
80 | // | |
81 | //destructor destroy some dynmicaly alocated variables | |
82 | if (fInnerPRF != 0) delete fInnerPRF; | |
f03e3423 | 83 | if (fOuter1PRF != 0) delete fOuter1PRF; |
84 | if (fOuter2PRF != 0) delete fOuter2PRF; | |
cc80f89e | 85 | if (fTimeRF != 0) delete fTimeRF; |
86 | } | |
87 | ||
88 | void AliTPCParamCR::SetDefault() | |
89 | { | |
90 | //set default TPC param | |
91 | fbStatus = kFALSE; | |
92 | AliTPCParam::SetDefault(); | |
93 | } | |
94 | ||
73042f01 | 95 | Int_t AliTPCParamCR::CalcResponse(Float_t* xyz, Int_t * index, Int_t dummy) |
cc80f89e | 96 | { |
97 | // | |
98 | //calculate bin response as function of the input position -x | |
99 | //return number of valid response bin | |
100 | // | |
101 | //we suppose that coordinata is expressed in float digits | |
102 | // it's mean coordinate system 8 | |
103 | //xyz[0] - float padrow xyz[1] is float pad (center pad is number 0) and xyz[2] is float time bin | |
f03e3423 | 104 | if ( (fInnerPRF==0)||(fOuter1PRF==0) ||(fOuter2PRF==0)||(fTimeRF==0) ){ |
cc80f89e | 105 | Error("AliTPCParamCR", "response function were not adjusted"); |
106 | return -1; | |
107 | } | |
108 | ||
109 | Float_t sfpadrow; // sigma of response function | |
110 | Float_t sfpad; // sigma of | |
111 | Float_t sftime= fFacSigma*fTimeRF->GetSigma()/fZWidth; //3 sigma of time response | |
112 | if (index[1]<fNInnerSector){ | |
113 | sfpadrow =fFacSigma*fInnerPRF->GetSigmaY()/fInnerPadPitchLength; | |
114 | sfpad =fFacSigma*fInnerPRF->GetSigmaX()/fInnerPadPitchWidth; | |
115 | }else{ | |
f03e3423 | 116 | if(index[2]<fNRowUp1){ |
117 | sfpadrow =fFacSigma*fOuter1PRF->GetSigmaY()/fOuter1PadPitchLength; | |
118 | sfpad =fFacSigma*fOuter1PRF->GetSigmaX()/fOuterPadPitchWidth;} | |
119 | else{ sfpadrow =fFacSigma*fOuter2PRF->GetSigmaY()/fOuter2PadPitchLength; | |
120 | sfpad =fFacSigma*fOuter2PRF->GetSigmaX()/fOuterPadPitchWidth;} | |
cc80f89e | 121 | } |
122 | ||
123 | Int_t fpadrow = TMath::Nint(xyz[0]-sfpadrow); //"first" padrow | |
124 | Int_t fpad = TMath::Nint(xyz[1]-sfpad); //first pad | |
125 | Int_t ftime = TMath::Nint(xyz[2]+fTimeRF->GetOffset()-sftime); // first time | |
126 | Int_t lpadrow = TMath::Min(TMath::Nint(xyz[0]+sfpadrow),fpadrow+19); //"last" padrow | |
127 | Int_t lpad = TMath::Min(TMath::Nint(xyz[1]+sfpad),fpad+19); //last pad | |
128 | Int_t ltime = TMath::Min(TMath::Nint(xyz[2]+fTimeRF->GetOffset()+sftime),ftime+19); // last time | |
129 | ||
130 | Float_t padres[20][20]; //I don't expect bigger number of bins | |
131 | Float_t timeres[20]; | |
132 | //calculate padresponse function | |
133 | Int_t padrow; | |
134 | for (padrow = fpadrow;padrow<=lpadrow;padrow++) | |
135 | for (Int_t pad = fpad;pad<=lpad;pad++){ | |
136 | Float_t dy = (xyz[0]-Float_t(padrow)); | |
137 | Float_t dx = (xyz[1]-Float_t(pad)); | |
138 | if (index[1]<fNInnerSector) | |
139 | padres[padrow-fpadrow][pad-fpad]=fInnerPRF->GetPRF(dx*fInnerPadPitchWidth,dy*fInnerPadPitchLength); | |
f03e3423 | 140 | else{ |
141 | if(index[2]<fNRowUp1){ | |
142 | padres[padrow-fpadrow][pad-fpad]=fOuter1PRF->GetPRF(dx*fOuterPadPitchWidth,dy*fOuter1PadPitchLength);} | |
143 | else{ padres[padrow-fpadrow][pad-fpad]=fOuter2PRF->GetPRF(dx*fOuterPadPitchWidth,dy*fOuter2PadPitchLength);}}} | |
144 | ||
cc80f89e | 145 | //calculate time response function |
146 | ||
147 | Int_t time; | |
148 | for (time = ftime;time<=ltime;time++) timeres[time-ftime]= fTimeRF->GetRF((xyz[2]-Float_t(time))*fZWidth); | |
149 | ||
150 | //write over threshold values to stack | |
151 | Int_t cindex3=-1; | |
152 | Int_t cindex=0; | |
153 | Float_t cweight = 0; | |
154 | for (padrow = fpadrow;padrow<=lpadrow;padrow++) | |
155 | for (Int_t pad = fpad;pad<=lpad;pad++) | |
156 | for (time = ftime;time<=ltime;time++){ | |
157 | cweight = timeres[time-ftime]*padres[padrow-fpadrow][pad-fpad]; | |
158 | if (cweight>fResponseThreshold) { | |
159 | fResponseBin[++cindex3]=padrow; | |
160 | fResponseBin[++cindex3]=pad; | |
161 | fResponseBin[++cindex3]=time; | |
162 | fResponseWeight[++cindex]=cweight; | |
163 | } | |
164 | } | |
165 | fCurrentMax=cindex; | |
166 | return fCurrentMax; | |
167 | } | |
168 | ||
169 | void AliTPCParamCR::CRXYZtoXYZ(Float_t *xyz, | |
170 | const Int_t §or, const Int_t & padrow, Int_t option) const | |
171 | { | |
172 | //transform relative coordinates to absolute | |
173 | Bool_t rel = ( (option&2)!=0); | |
174 | Int_t index[2]={sector,padrow}; | |
175 | if (rel==kTRUE) Transform4to3(xyz,index);//if the position is relative to pad row | |
176 | Transform2to1(xyz,index); | |
177 | } | |
178 | ||
179 | void AliTPCParamCR::XYZtoCRXYZ(Float_t *xyz, | |
180 | Int_t §or, Int_t & padrow, Int_t option) const | |
181 | { | |
182 | //transform global position to the position relative to the sector padrow | |
183 | //if option=0 X calculate absolute calculate sector | |
184 | //if option=1 X absolute use input sector | |
185 | //if option=2 X relative to pad row calculate sector | |
186 | //if option=3 X relative use input sector | |
187 | //!!!!!!!!! WE start to calculate rows from row = 0 | |
188 | Int_t index[2]; | |
189 | Bool_t rel = ( (option&2)!=0); | |
190 | ||
191 | //option 0 and 2 means that we don't have information about sector | |
192 | if ((option&1)==0) Transform0to1(xyz,index); //we calculate sector number | |
193 | else | |
194 | index[0]=sector; | |
195 | Transform1to2(xyz,index); | |
196 | Transform2to3(xyz,index); | |
197 | //if we store relative position calculate position relative to pad row | |
198 | if (rel==kTRUE) Transform3to4(xyz,index); | |
199 | sector = index[0]; | |
200 | padrow = index[1]; | |
201 | } | |
202 | ||
203 | ||
204 | ||
205 | Bool_t AliTPCParamCR::Update() | |
206 | { | |
cc80f89e | 207 | Int_t i; |
208 | if (AliTPCParam::Update()==kFALSE) return kFALSE; | |
209 | fbStatus = kFALSE; | |
210 | ||
f03e3423 | 211 | Float_t firstrow = fInnerRadiusLow + 2.225 ; |
212 | for( i= 0;i<fNRowLow;i++) | |
213 | { | |
214 | Float_t x = firstrow + fInnerPadPitchLength*(Float_t)i; | |
215 | fPadRowLow[i]=x; | |
216 | // number of pads per row | |
217 | /*Float_t y = (x-0.5*fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerWireMount- | |
218 | fInnerPadPitchWidth/2.;*/ | |
219 | Float_t y = x*tan(fInnerAngle/2.)-fInnerWireMount; | |
220 | fYInner[i]=y; | |
221 | fNPadsLow[i] = 1+2*(Int_t)(y/fInnerPadPitchWidth) ; | |
cc80f89e | 222 | |
f03e3423 | 223 | } |
224 | firstrow = fOuterRadiusLow + 1.6; | |
225 | for(i=0;i<fNRowUp;i++) | |
226 | { | |
227 | if(i<fNRowUp1){ | |
228 | Float_t x = firstrow + fOuter1PadPitchLength*(Float_t)i; | |
229 | fPadRowUp[i]=x; | |
230 | /*Float_t y =(x-0.5*fOuter1PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount- | |
231 | fOuterPadPitchWidth/2.;*/ | |
232 | Float_t y = x*tan(fInnerAngle/2.)-fInnerWireMount; | |
cc80f89e | 233 | fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ; |
f03e3423 | 234 | fYOuter[i] = y; |
235 | if(i==fNRowUp1-1) { | |
236 | fLastWireUp1=fPadRowUp[i] +0.375; | |
237 | firstrow = fPadRowUp[i] + 0.5*(fOuter1PadPitchLength+fOuter2PadPitchLength); | |
238 | } | |
239 | } | |
240 | else | |
241 | { | |
242 | Float_t x = firstrow + fOuter2PadPitchLength*(Float_t)(i-64); | |
243 | /*Float_t y =(x-0.5*fOuter2PadPitchLength)*tan(fOuterAngle/2.)-fOuterWireMount- | |
244 | fOuterPadPitchWidth/2.;*/ | |
245 | Float_t y = x*tan(fInnerAngle/2.)-fInnerWireMount; | |
246 | fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ; | |
247 | fYOuter[i] = y; | |
248 | } | |
249 | } | |
250 | ||
cc80f89e | 251 | fNtRows = fNInnerSector*fNRowLow+fNOuterSector*fNRowUp; |
c11cb93f | 252 | fbStatus = kTRUE; |
cc80f89e | 253 | return kTRUE; |
254 | } | |
255 | ||
256 | ||
257 | ||
258 | void AliTPCParamCR::Streamer(TBuffer &R__b) | |
259 | { | |
260 | // Stream an object of class AliTPC. | |
261 | ||
262 | if (R__b.IsReading()) { | |
2ab0c725 | 263 | AliTPCParamCR::Class()->ReadBuffer(R__b, this); |
264 | Update(); | |
cc80f89e | 265 | } else { |
2ab0c725 | 266 | AliTPCParamCR::Class()->WriteBuffer(R__b, this); |
cc80f89e | 267 | } |
268 | } | |
269 | ||
270 | ||
271 | ||
272 | ||
c11cb93f | 273 | |
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277 | ||
278 |