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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 | $Log$ | |
2ab0c725 | 18 | Revision 1.4 2000/11/02 07:33:15 kowal2 |
19 | Improvements of the code. | |
20 | ||
c11cb93f | 21 | Revision 1.3 2000/06/30 12:07:50 kowal2 |
22 | Updated from the TPC-PreRelease branch | |
23 | ||
73042f01 | 24 | Revision 1.2.4.1 2000/06/14 16:48:24 kowal2 |
25 | Parameter setting improved. Removed compiler warnings | |
26 | ||
27 | Revision 1.2 2000/04/17 09:37:33 kowal2 | |
28 | removed obsolete AliTPCDigitsDisplay.C | |
29 | ||
cc80f89e | 30 | Revision 1.1.4.2 2000/04/10 11:36:13 kowal2 |
31 | ||
32 | New Detector parameters handling class | |
33 | ||
34 | */ | |
35 | ||
36 | /////////////////////////////////////////////////////////////////////// | |
37 | // Manager and of geomety classes for set: TPC // | |
38 | // // | |
39 | // !sectors are numbered from 0 // | |
40 | // !pad rows are numbered from 0 // | |
41 | // | |
42 | // 27.7. - AliTPCPaaramSr object for TPC | |
43 | // TPC with straight pad rows | |
44 | // Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk // | |
45 | // // | |
46 | /////////////////////////////////////////////////////////////////////// | |
47 | ||
48 | ||
49 | #include <iostream.h> | |
50 | #include <TMath.h> | |
2ab0c725 | 51 | #include <TClass.h> |
cc80f89e | 52 | #include <AliTPCParamCR.h> |
73042f01 | 53 | #include "AliTPCPRF2D.h" |
54 | #include "AliTPCRF1D.h" | |
cc80f89e | 55 | |
56 | ||
57 | ||
58 | ClassImp(AliTPCParamCR) | |
59 | const static Int_t kMaxRows=600; | |
60 | const static Float_t kEdgeSectorSpace = 2.5; | |
61 | ||
62 | AliTPCParamCR::AliTPCParamCR() | |
63 | { | |
64 | // | |
65 | //constructor set the default parameters | |
66 | fInnerPRF=0; | |
67 | fOuterPRF=0; | |
68 | fTimeRF = 0; | |
69 | fFacSigma = Float_t(2.); | |
70 | SetDefault(); | |
71 | Update(); | |
72 | } | |
73 | ||
74 | AliTPCParamCR::~AliTPCParamCR() | |
75 | { | |
76 | // | |
77 | //destructor destroy some dynmicaly alocated variables | |
78 | if (fInnerPRF != 0) delete fInnerPRF; | |
79 | if (fOuterPRF != 0) delete fOuterPRF; | |
80 | if (fTimeRF != 0) delete fTimeRF; | |
81 | } | |
82 | ||
83 | void AliTPCParamCR::SetDefault() | |
84 | { | |
85 | //set default TPC param | |
86 | fbStatus = kFALSE; | |
87 | AliTPCParam::SetDefault(); | |
88 | } | |
89 | ||
73042f01 | 90 | Int_t AliTPCParamCR::CalcResponse(Float_t* xyz, Int_t * index, Int_t dummy) |
cc80f89e | 91 | { |
92 | // | |
93 | //calculate bin response as function of the input position -x | |
94 | //return number of valid response bin | |
95 | // | |
96 | //we suppose that coordinata is expressed in float digits | |
97 | // it's mean coordinate system 8 | |
98 | //xyz[0] - float padrow xyz[1] is float pad (center pad is number 0) and xyz[2] is float time bin | |
99 | if ( (fInnerPRF==0)||(fOuterPRF==0)||(fTimeRF==0) ){ | |
100 | Error("AliTPCParamCR", "response function were not adjusted"); | |
101 | return -1; | |
102 | } | |
103 | ||
104 | Float_t sfpadrow; // sigma of response function | |
105 | Float_t sfpad; // sigma of | |
106 | Float_t sftime= fFacSigma*fTimeRF->GetSigma()/fZWidth; //3 sigma of time response | |
107 | if (index[1]<fNInnerSector){ | |
108 | sfpadrow =fFacSigma*fInnerPRF->GetSigmaY()/fInnerPadPitchLength; | |
109 | sfpad =fFacSigma*fInnerPRF->GetSigmaX()/fInnerPadPitchWidth; | |
110 | }else{ | |
111 | sfpadrow =fFacSigma*fOuterPRF->GetSigmaY()/fOuterPadPitchLength; | |
112 | sfpad =fFacSigma*fOuterPRF->GetSigmaX()/fOuterPadPitchWidth; | |
113 | } | |
114 | ||
115 | Int_t fpadrow = TMath::Nint(xyz[0]-sfpadrow); //"first" padrow | |
116 | Int_t fpad = TMath::Nint(xyz[1]-sfpad); //first pad | |
117 | Int_t ftime = TMath::Nint(xyz[2]+fTimeRF->GetOffset()-sftime); // first time | |
118 | Int_t lpadrow = TMath::Min(TMath::Nint(xyz[0]+sfpadrow),fpadrow+19); //"last" padrow | |
119 | Int_t lpad = TMath::Min(TMath::Nint(xyz[1]+sfpad),fpad+19); //last pad | |
120 | Int_t ltime = TMath::Min(TMath::Nint(xyz[2]+fTimeRF->GetOffset()+sftime),ftime+19); // last time | |
121 | ||
122 | Float_t padres[20][20]; //I don't expect bigger number of bins | |
123 | Float_t timeres[20]; | |
124 | //calculate padresponse function | |
125 | Int_t padrow; | |
126 | for (padrow = fpadrow;padrow<=lpadrow;padrow++) | |
127 | for (Int_t pad = fpad;pad<=lpad;pad++){ | |
128 | Float_t dy = (xyz[0]-Float_t(padrow)); | |
129 | Float_t dx = (xyz[1]-Float_t(pad)); | |
130 | if (index[1]<fNInnerSector) | |
131 | padres[padrow-fpadrow][pad-fpad]=fInnerPRF->GetPRF(dx*fInnerPadPitchWidth,dy*fInnerPadPitchLength); | |
132 | else | |
133 | padres[padrow-fpadrow][pad-fpad]=fOuterPRF->GetPRF(dx*fOuterPadPitchWidth,dy*fOuterPadPitchLength); | |
134 | } | |
135 | //calculate time response function | |
136 | ||
137 | Int_t time; | |
138 | for (time = ftime;time<=ltime;time++) timeres[time-ftime]= fTimeRF->GetRF((xyz[2]-Float_t(time))*fZWidth); | |
139 | ||
140 | //write over threshold values to stack | |
141 | Int_t cindex3=-1; | |
142 | Int_t cindex=0; | |
143 | Float_t cweight = 0; | |
144 | for (padrow = fpadrow;padrow<=lpadrow;padrow++) | |
145 | for (Int_t pad = fpad;pad<=lpad;pad++) | |
146 | for (time = ftime;time<=ltime;time++){ | |
147 | cweight = timeres[time-ftime]*padres[padrow-fpadrow][pad-fpad]; | |
148 | if (cweight>fResponseThreshold) { | |
149 | fResponseBin[++cindex3]=padrow; | |
150 | fResponseBin[++cindex3]=pad; | |
151 | fResponseBin[++cindex3]=time; | |
152 | fResponseWeight[++cindex]=cweight; | |
153 | } | |
154 | } | |
155 | fCurrentMax=cindex; | |
156 | return fCurrentMax; | |
157 | } | |
158 | ||
159 | void AliTPCParamCR::CRXYZtoXYZ(Float_t *xyz, | |
160 | const Int_t §or, const Int_t & padrow, Int_t option) const | |
161 | { | |
162 | //transform relative coordinates to absolute | |
163 | Bool_t rel = ( (option&2)!=0); | |
164 | Int_t index[2]={sector,padrow}; | |
165 | if (rel==kTRUE) Transform4to3(xyz,index);//if the position is relative to pad row | |
166 | Transform2to1(xyz,index); | |
167 | } | |
168 | ||
169 | void AliTPCParamCR::XYZtoCRXYZ(Float_t *xyz, | |
170 | Int_t §or, Int_t & padrow, Int_t option) const | |
171 | { | |
172 | //transform global position to the position relative to the sector padrow | |
173 | //if option=0 X calculate absolute calculate sector | |
174 | //if option=1 X absolute use input sector | |
175 | //if option=2 X relative to pad row calculate sector | |
176 | //if option=3 X relative use input sector | |
177 | //!!!!!!!!! WE start to calculate rows from row = 0 | |
178 | Int_t index[2]; | |
179 | Bool_t rel = ( (option&2)!=0); | |
180 | ||
181 | //option 0 and 2 means that we don't have information about sector | |
182 | if ((option&1)==0) Transform0to1(xyz,index); //we calculate sector number | |
183 | else | |
184 | index[0]=sector; | |
185 | Transform1to2(xyz,index); | |
186 | Transform2to3(xyz,index); | |
187 | //if we store relative position calculate position relative to pad row | |
188 | if (rel==kTRUE) Transform3to4(xyz,index); | |
189 | sector = index[0]; | |
190 | padrow = index[1]; | |
191 | } | |
192 | ||
193 | ||
194 | ||
195 | Bool_t AliTPCParamCR::Update() | |
196 | { | |
197 | ||
198 | // | |
199 | // update some calculated parameter which must be updated after changing "base" | |
200 | // parameters | |
201 | // for example we can change size of pads and according this recalculate number | |
202 | // of pad rows, number of of pads in given row .... | |
203 | Int_t i; | |
204 | if (AliTPCParam::Update()==kFALSE) return kFALSE; | |
205 | fbStatus = kFALSE; | |
206 | ||
207 | // adjust lower sectors pad row positions and pad numbers | |
208 | fNRowLow = (Int_t(1.0001*(fRInnerLastWire-fRInnerFirstWire)/fInnerWWPitch) | |
209 | -2*fInnerDummyWire)/fNInnerWiresPerPad; | |
210 | if ( kMaxRows<fNRowLow) fNRowUp = kMaxRows; | |
211 | if (1>fNRowLow) return kFALSE; | |
212 | Float_t firstpad = fRInnerFirstWire+(fInnerDummyWire-0.5)*fInnerWWPitch | |
213 | +fInnerPadPitchLength/2.; | |
214 | ||
215 | for (i = 0;i<fNRowLow;i++) | |
216 | { | |
217 | Float_t x = firstpad +fInnerPadPitchLength*(Float_t)i; | |
218 | Float_t y = (x-0.5*fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerFrameSpace- | |
219 | fInnerPadPitchWidth/2.; | |
220 | fPadRowLow[i] = x; | |
221 | fNPadsLow[i] = 1+2*(Int_t)(y/fInnerPadPitchWidth) ; | |
222 | } | |
223 | ||
224 | // adjust upper sectors pad row positions and pad numbers | |
225 | fNRowUp = (Int_t((fROuterLastWire-fROuterFirstWire+0.001)/fOuterWWPitch) | |
226 | -2*fOuterDummyWire)/fNOuterWiresPerPad; | |
227 | if ( kMaxRows<fNRowUp) fNRowUp = kMaxRows; | |
228 | if (1>fNRowUp) return kFALSE; | |
229 | firstpad = fROuterFirstWire+(fOuterDummyWire-0.5)*fOuterWWPitch | |
230 | +fOuterPadPitchLength/2.; | |
231 | ||
232 | for (i = 0;i<fNRowUp;i++) | |
233 | { | |
234 | Float_t x = firstpad + fOuterPadPitchLength*(Float_t)i; | |
235 | Float_t y = (x-0.5*fOuterPadPitchLength)*tan(fOuterAngle/2.)-fOuterFrameSpace- | |
236 | fInnerPadPitchWidth/2.; | |
237 | fPadRowUp[i] = x; | |
238 | fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ; | |
239 | } | |
240 | fNtRows = fNInnerSector*fNRowLow+fNOuterSector*fNRowUp; | |
c11cb93f | 241 | fbStatus = kTRUE; |
cc80f89e | 242 | return kTRUE; |
243 | } | |
244 | ||
245 | ||
246 | ||
247 | void AliTPCParamCR::Streamer(TBuffer &R__b) | |
248 | { | |
249 | // Stream an object of class AliTPC. | |
250 | ||
251 | if (R__b.IsReading()) { | |
2ab0c725 | 252 | AliTPCParamCR::Class()->ReadBuffer(R__b, this); |
253 | Update(); | |
cc80f89e | 254 | } else { |
2ab0c725 | 255 | AliTPCParamCR::Class()->WriteBuffer(R__b, this); |
cc80f89e | 256 | } |
257 | } | |
258 | ||
259 | ||
260 | ||
261 | ||
c11cb93f | 262 | |
263 | ||
264 | ||
265 | ||
266 | ||
267 |