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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 | $Log$ | |
c11cb93f | 18 | Revision 1.3 2000/06/30 12:07:50 kowal2 |
19 | Updated from the TPC-PreRelease branch | |
20 | ||
73042f01 | 21 | Revision 1.2.4.1 2000/06/14 16:48:24 kowal2 |
22 | Parameter setting improved. Removed compiler warnings | |
23 | ||
24 | Revision 1.2 2000/04/17 09:37:33 kowal2 | |
25 | removed obsolete AliTPCDigitsDisplay.C | |
26 | ||
cc80f89e | 27 | Revision 1.1.4.2 2000/04/10 11:36:13 kowal2 |
28 | ||
29 | New Detector parameters handling class | |
30 | ||
31 | */ | |
32 | ||
33 | /////////////////////////////////////////////////////////////////////// | |
34 | // Manager and of geomety classes for set: TPC // | |
35 | // // | |
36 | // !sectors are numbered from 0 // | |
37 | // !pad rows are numbered from 0 // | |
38 | // | |
39 | // 27.7. - AliTPCPaaramSr object for TPC | |
40 | // TPC with straight pad rows | |
41 | // Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk // | |
42 | // // | |
43 | /////////////////////////////////////////////////////////////////////// | |
44 | ||
45 | ||
46 | #include <iostream.h> | |
47 | #include <TMath.h> | |
48 | #include <TObject.h> | |
49 | #include <AliTPCParamCR.h> | |
73042f01 | 50 | #include "AliTPCPRF2D.h" |
51 | #include "AliTPCRF1D.h" | |
cc80f89e | 52 | |
53 | ||
54 | ||
55 | ClassImp(AliTPCParamCR) | |
56 | const static Int_t kMaxRows=600; | |
57 | const static Float_t kEdgeSectorSpace = 2.5; | |
58 | ||
59 | AliTPCParamCR::AliTPCParamCR() | |
60 | { | |
61 | // | |
62 | //constructor set the default parameters | |
63 | fInnerPRF=0; | |
64 | fOuterPRF=0; | |
65 | fTimeRF = 0; | |
66 | fFacSigma = Float_t(2.); | |
67 | SetDefault(); | |
68 | Update(); | |
69 | } | |
70 | ||
71 | AliTPCParamCR::~AliTPCParamCR() | |
72 | { | |
73 | // | |
74 | //destructor destroy some dynmicaly alocated variables | |
75 | if (fInnerPRF != 0) delete fInnerPRF; | |
76 | if (fOuterPRF != 0) delete fOuterPRF; | |
77 | if (fTimeRF != 0) delete fTimeRF; | |
78 | } | |
79 | ||
80 | void AliTPCParamCR::SetDefault() | |
81 | { | |
82 | //set default TPC param | |
83 | fbStatus = kFALSE; | |
84 | AliTPCParam::SetDefault(); | |
85 | } | |
86 | ||
73042f01 | 87 | Int_t AliTPCParamCR::CalcResponse(Float_t* xyz, Int_t * index, Int_t dummy) |
cc80f89e | 88 | { |
89 | // | |
90 | //calculate bin response as function of the input position -x | |
91 | //return number of valid response bin | |
92 | // | |
93 | //we suppose that coordinata is expressed in float digits | |
94 | // it's mean coordinate system 8 | |
95 | //xyz[0] - float padrow xyz[1] is float pad (center pad is number 0) and xyz[2] is float time bin | |
96 | if ( (fInnerPRF==0)||(fOuterPRF==0)||(fTimeRF==0) ){ | |
97 | Error("AliTPCParamCR", "response function were 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= fFacSigma*fTimeRF->GetSigma()/fZWidth; //3 sigma of time response | |
104 | if (index[1]<fNInnerSector){ | |
105 | sfpadrow =fFacSigma*fInnerPRF->GetSigmaY()/fInnerPadPitchLength; | |
106 | sfpad =fFacSigma*fInnerPRF->GetSigmaX()/fInnerPadPitchWidth; | |
107 | }else{ | |
108 | sfpadrow =fFacSigma*fOuterPRF->GetSigmaY()/fOuterPadPitchLength; | |
109 | sfpad =fFacSigma*fOuterPRF->GetSigmaX()/fOuterPadPitchWidth; | |
110 | } | |
111 | ||
112 | Int_t fpadrow = TMath::Nint(xyz[0]-sfpadrow); //"first" padrow | |
113 | Int_t fpad = TMath::Nint(xyz[1]-sfpad); //first pad | |
114 | Int_t ftime = TMath::Nint(xyz[2]+fTimeRF->GetOffset()-sftime); // first time | |
115 | Int_t lpadrow = TMath::Min(TMath::Nint(xyz[0]+sfpadrow),fpadrow+19); //"last" padrow | |
116 | Int_t lpad = TMath::Min(TMath::Nint(xyz[1]+sfpad),fpad+19); //last pad | |
117 | Int_t ltime = TMath::Min(TMath::Nint(xyz[2]+fTimeRF->GetOffset()+sftime),ftime+19); // last time | |
118 | ||
119 | Float_t padres[20][20]; //I don't expect bigger number of bins | |
120 | Float_t timeres[20]; | |
121 | //calculate padresponse function | |
122 | Int_t padrow; | |
123 | for (padrow = fpadrow;padrow<=lpadrow;padrow++) | |
124 | for (Int_t pad = fpad;pad<=lpad;pad++){ | |
125 | Float_t dy = (xyz[0]-Float_t(padrow)); | |
126 | Float_t dx = (xyz[1]-Float_t(pad)); | |
127 | if (index[1]<fNInnerSector) | |
128 | padres[padrow-fpadrow][pad-fpad]=fInnerPRF->GetPRF(dx*fInnerPadPitchWidth,dy*fInnerPadPitchLength); | |
129 | else | |
130 | padres[padrow-fpadrow][pad-fpad]=fOuterPRF->GetPRF(dx*fOuterPadPitchWidth,dy*fOuterPadPitchLength); | |
131 | } | |
132 | //calculate time response function | |
133 | ||
134 | Int_t time; | |
135 | for (time = ftime;time<=ltime;time++) timeres[time-ftime]= fTimeRF->GetRF((xyz[2]-Float_t(time))*fZWidth); | |
136 | ||
137 | //write over threshold values to stack | |
138 | Int_t cindex3=-1; | |
139 | Int_t cindex=0; | |
140 | Float_t cweight = 0; | |
141 | for (padrow = fpadrow;padrow<=lpadrow;padrow++) | |
142 | for (Int_t pad = fpad;pad<=lpad;pad++) | |
143 | for (time = ftime;time<=ltime;time++){ | |
144 | cweight = timeres[time-ftime]*padres[padrow-fpadrow][pad-fpad]; | |
145 | if (cweight>fResponseThreshold) { | |
146 | fResponseBin[++cindex3]=padrow; | |
147 | fResponseBin[++cindex3]=pad; | |
148 | fResponseBin[++cindex3]=time; | |
149 | fResponseWeight[++cindex]=cweight; | |
150 | } | |
151 | } | |
152 | fCurrentMax=cindex; | |
153 | return fCurrentMax; | |
154 | } | |
155 | ||
156 | void AliTPCParamCR::CRXYZtoXYZ(Float_t *xyz, | |
157 | const Int_t §or, const Int_t & padrow, Int_t option) const | |
158 | { | |
159 | //transform relative coordinates to absolute | |
160 | Bool_t rel = ( (option&2)!=0); | |
161 | Int_t index[2]={sector,padrow}; | |
162 | if (rel==kTRUE) Transform4to3(xyz,index);//if the position is relative to pad row | |
163 | Transform2to1(xyz,index); | |
164 | } | |
165 | ||
166 | void AliTPCParamCR::XYZtoCRXYZ(Float_t *xyz, | |
167 | Int_t §or, Int_t & padrow, Int_t option) const | |
168 | { | |
169 | //transform global position to the position relative to the sector padrow | |
170 | //if option=0 X calculate absolute calculate sector | |
171 | //if option=1 X absolute use input sector | |
172 | //if option=2 X relative to pad row calculate sector | |
173 | //if option=3 X relative use input sector | |
174 | //!!!!!!!!! WE start to calculate rows from row = 0 | |
175 | Int_t index[2]; | |
176 | Bool_t rel = ( (option&2)!=0); | |
177 | ||
178 | //option 0 and 2 means that we don't have information about sector | |
179 | if ((option&1)==0) Transform0to1(xyz,index); //we calculate sector number | |
180 | else | |
181 | index[0]=sector; | |
182 | Transform1to2(xyz,index); | |
183 | Transform2to3(xyz,index); | |
184 | //if we store relative position calculate position relative to pad row | |
185 | if (rel==kTRUE) Transform3to4(xyz,index); | |
186 | sector = index[0]; | |
187 | padrow = index[1]; | |
188 | } | |
189 | ||
190 | ||
191 | ||
192 | Bool_t AliTPCParamCR::Update() | |
193 | { | |
194 | ||
195 | // | |
196 | // update some calculated parameter which must be updated after changing "base" | |
197 | // parameters | |
198 | // for example we can change size of pads and according this recalculate number | |
199 | // of pad rows, number of of pads in given row .... | |
200 | Int_t i; | |
201 | if (AliTPCParam::Update()==kFALSE) return kFALSE; | |
202 | fbStatus = kFALSE; | |
203 | ||
204 | // adjust lower sectors pad row positions and pad numbers | |
205 | fNRowLow = (Int_t(1.0001*(fRInnerLastWire-fRInnerFirstWire)/fInnerWWPitch) | |
206 | -2*fInnerDummyWire)/fNInnerWiresPerPad; | |
207 | if ( kMaxRows<fNRowLow) fNRowUp = kMaxRows; | |
208 | if (1>fNRowLow) return kFALSE; | |
209 | Float_t firstpad = fRInnerFirstWire+(fInnerDummyWire-0.5)*fInnerWWPitch | |
210 | +fInnerPadPitchLength/2.; | |
211 | ||
212 | for (i = 0;i<fNRowLow;i++) | |
213 | { | |
214 | Float_t x = firstpad +fInnerPadPitchLength*(Float_t)i; | |
215 | Float_t y = (x-0.5*fInnerPadPitchLength)*tan(fInnerAngle/2.)-fInnerFrameSpace- | |
216 | fInnerPadPitchWidth/2.; | |
217 | fPadRowLow[i] = x; | |
218 | fNPadsLow[i] = 1+2*(Int_t)(y/fInnerPadPitchWidth) ; | |
219 | } | |
220 | ||
221 | // adjust upper sectors pad row positions and pad numbers | |
222 | fNRowUp = (Int_t((fROuterLastWire-fROuterFirstWire+0.001)/fOuterWWPitch) | |
223 | -2*fOuterDummyWire)/fNOuterWiresPerPad; | |
224 | if ( kMaxRows<fNRowUp) fNRowUp = kMaxRows; | |
225 | if (1>fNRowUp) return kFALSE; | |
226 | firstpad = fROuterFirstWire+(fOuterDummyWire-0.5)*fOuterWWPitch | |
227 | +fOuterPadPitchLength/2.; | |
228 | ||
229 | for (i = 0;i<fNRowUp;i++) | |
230 | { | |
231 | Float_t x = firstpad + fOuterPadPitchLength*(Float_t)i; | |
232 | Float_t y = (x-0.5*fOuterPadPitchLength)*tan(fOuterAngle/2.)-fOuterFrameSpace- | |
233 | fInnerPadPitchWidth/2.; | |
234 | fPadRowUp[i] = x; | |
235 | fNPadsUp[i] = 1+2*(Int_t)(y/fOuterPadPitchWidth) ; | |
236 | } | |
237 | fNtRows = fNInnerSector*fNRowLow+fNOuterSector*fNRowUp; | |
c11cb93f | 238 | fbStatus = kTRUE; |
cc80f89e | 239 | return kTRUE; |
240 | } | |
241 | ||
242 | ||
243 | ||
244 | void AliTPCParamCR::Streamer(TBuffer &R__b) | |
245 | { | |
246 | // Stream an object of class AliTPC. | |
247 | ||
248 | if (R__b.IsReading()) { | |
249 | Version_t R__v = R__b.ReadVersion(); if (R__v) { } | |
250 | // TObject::Streamer(R__b); | |
251 | AliTPCParam::Streamer(R__b); | |
252 | // if (R__v < 2) return; | |
253 | Update(); | |
254 | } else { | |
255 | R__b.WriteVersion(AliTPCParamCR::IsA()); | |
256 | //TObject::Streamer(R__b); | |
257 | AliTPCParam::Streamer(R__b); | |
258 | } | |
259 | } | |
260 | ||
261 | ||
262 | ||
263 | ||
c11cb93f | 264 | |
265 | ||
266 | ||
267 | ||
268 | ||
269 |