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fcf95fc7 | 1 | /************************************************************************** |
c2bd28b6 | 2 | * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. * |
fcf95fc7 | 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 | ||
c2bd28b6 | 16 | /* $Id$ */ |
fcf95fc7 | 17 | |
18 | #include <Riostream.h> | |
19 | #include <TRandom.h> | |
20 | #include "AliITSCalibrationSDD.h" | |
f45f6658 | 21 | #include "AliLog.h" |
fcf95fc7 | 22 | |
23 | ////////////////////////////////////////////////////// | |
24 | // Calibration class for set:ITS // | |
25 | // Specific subdetector implementation // | |
26 | // for silicon drift detectors // | |
27 | // // | |
28 | // // | |
29 | ////////////////////////////////////////////////////// | |
30 | ||
4bfbde86 | 31 | const Float_t AliITSCalibrationSDD::fgkTemperatureDefault = 296.; |
32 | const Float_t AliITSCalibrationSDD::fgkNoiseDefault = 10.; | |
33 | const Float_t AliITSCalibrationSDD::fgkGainDefault = 1.; | |
34 | const Float_t AliITSCalibrationSDD::fgkBaselineDefault = 20.; | |
35 | const Float_t AliITSCalibrationSDD::fgkMinValDefault = 4; | |
fcf95fc7 | 36 | //______________________________________________________________________ |
37 | ClassImp(AliITSCalibrationSDD) | |
38 | ||
4bfbde86 | 39 | AliITSCalibrationSDD::AliITSCalibrationSDD(): |
40 | AliITSCalibration(), | |
41 | fDeadChips(0), | |
42 | fDeadChannels(0), | |
43 | fMinVal(fgkMinValDefault), | |
44 | fIsDead(kFALSE), | |
028a3709 | 45 | fBadChannels(), |
46 | fMapAW0(0), | |
47 | fMapAW1(0), | |
48 | fMapTW0(0), | |
49 | fMapTW1(0) | |
4bfbde86 | 50 | { |
fcf95fc7 | 51 | // default constructor |
52 | ||
53 | SetDeadChannels(); | |
f45f6658 | 54 | for(Int_t ian=0;ian<fgkWings*fgkChannels*fgkChips;ian++){ |
55 | fBaseline[ian]=fgkBaselineDefault; | |
56 | fNoise[ian]=fgkNoiseDefault; | |
57 | SetNoiseAfterElectronics(ian); | |
58 | } | |
59 | for(Int_t iw=0;iw<fgkWings;iw++){ | |
60 | for(Int_t icp=0;icp<fgkChips;icp++){ | |
61 | for(Int_t ich=0;ich<fgkChannels;ich++) | |
62 | fGain[iw][icp][ich]=1.; | |
63 | } | |
64 | } | |
fcf95fc7 | 65 | SetThresholds(fgkMinValDefault,0.); |
66 | SetTemperature(fgkTemperatureDefault); | |
67 | SetDataType(); | |
c2bd28b6 | 68 | fDriftVelParW0[0]= AliITSresponseSDD::DefaultDriftSpeed(); |
69 | fDriftVelParW1[0]= AliITSresponseSDD::DefaultDriftSpeed(); | |
70 | for(Int_t i=1;i<4;i++){ | |
71 | fDriftVelParW0[i]=0.; | |
72 | fDriftVelParW1[i]=0.; | |
5bfe44ce | 73 | } |
fcf95fc7 | 74 | } |
75 | //______________________________________________________________________ | |
4bfbde86 | 76 | AliITSCalibrationSDD::AliITSCalibrationSDD(const char *dataType): |
77 | AliITSCalibration(), | |
78 | fDeadChips(0), | |
79 | fDeadChannels(0), | |
80 | fMinVal(fgkMinValDefault), | |
81 | fIsDead(kFALSE), | |
028a3709 | 82 | fBadChannels(), |
83 | fMapAW0(0), | |
84 | fMapAW1(0), | |
85 | fMapTW0(0), | |
86 | fMapTW1(0){ | |
fcf95fc7 | 87 | // constructor |
88 | ||
89 | SetDeadChannels(); | |
f45f6658 | 90 | for(Int_t ian=0;ian<fgkWings*fgkChannels*fgkChips;ian++){ |
91 | fBaseline[ian]=fgkBaselineDefault; | |
92 | fNoise[ian]=fgkNoiseDefault; | |
93 | SetNoiseAfterElectronics(ian); | |
94 | } | |
95 | for(Int_t iw=0;iw<fgkWings;iw++){ | |
96 | for(Int_t icp=0;icp<fgkChips;icp++){ | |
97 | for(Int_t ich=0;ich<fgkChannels;ich++) | |
98 | fGain[iw][icp][ich]=1.; | |
99 | } | |
100 | } | |
fcf95fc7 | 101 | |
fcf95fc7 | 102 | SetThresholds(fgkMinValDefault,0.); |
103 | SetTemperature(fgkTemperatureDefault); | |
104 | SetDataType(dataType); | |
c2bd28b6 | 105 | fDriftVelParW0[0]= AliITSresponseSDD::DefaultDriftSpeed(); |
106 | fDriftVelParW1[0]= AliITSresponseSDD::DefaultDriftSpeed(); | |
107 | for(Int_t i=1;i<4;i++){ | |
108 | fDriftVelParW0[i]=0.; | |
109 | fDriftVelParW1[i]=0.; | |
5bfe44ce | 110 | } |
fcf95fc7 | 111 | } |
028a3709 | 112 | //_____________________________________________________________________ |
113 | AliITSCalibrationSDD::~AliITSCalibrationSDD(){ | |
fcf95fc7 | 114 | |
028a3709 | 115 | //destructor |
116 | if(fMapAW0) delete fMapAW0; | |
117 | if(fMapAW1) delete fMapAW1; | |
118 | if(fMapTW0) delete fMapTW0; | |
119 | if(fMapTW1) delete fMapTW1; | |
120 | ||
121 | } | |
fcf95fc7 | 122 | |
123 | //______________________________________________________________________ | |
f45f6658 | 124 | void AliITSCalibrationSDD::GiveCompressParam(Int_t cp[8],Int_t ian) const { |
fcf95fc7 | 125 | // give compression param |
126 | ||
f45f6658 | 127 | cp[0]=(Int_t) fBaseline[ian]; |
128 | cp[1]=(Int_t) fBaseline[ian]; | |
129 | cp[2]=(Int_t)(2.*fNoiseAfterEl[ian] + 0.5); | |
130 | cp[3]=(Int_t)(2.*fNoiseAfterEl[ian] + 0.5); | |
131 | cp[4]=0; | |
132 | cp[5]=0; | |
133 | cp[6]=0; | |
134 | cp[7]=0; | |
fcf95fc7 | 135 | } |
f45f6658 | 136 | //_____________________________________________________________________ |
137 | void AliITSCalibrationSDD::SetBadChannel(Int_t i,Int_t anode){ | |
138 | //Set bad anode (set gain=0 for these channels); | |
fcf95fc7 | 139 | |
f45f6658 | 140 | if(anode<0 || anode >fgkChannels*fgkChips*fgkWings-1)AliError("Wrong anode number"); |
141 | Int_t wing=0; | |
142 | Int_t chip,channel; | |
143 | chip=anode/fgkChannels; | |
144 | channel=anode-(chip*fgkChannels); | |
145 | if(anode>=fgkChips*fgkChannels) wing=1; | |
146 | if(wing==1)chip-=fgkChips; | |
147 | fBadChannels[i]=anode; | |
148 | fGain[wing][chip][channel]=0; | |
149 | } | |
c2bd28b6 | 150 | //_____________________________________________________________________ |
151 | void AliITSCalibrationSDD::SetDriftSpeedParam(Int_t iWing, Float_t* p){ | |
152 | // Sets coefficients of pol3 fit to drift speed vs. anode | |
153 | if(iWing==0){ | |
154 | for(Int_t i=0;i<4;i++) fDriftVelParW0[i]=p[i]; | |
155 | }else{ | |
156 | for(Int_t i=0;i<4;i++) fDriftVelParW1[i]=p[i]; | |
157 | } | |
158 | } | |
159 | ||
f45f6658 | 160 | //_____________________________________________________________________ |
4952f440 | 161 | Float_t AliITSCalibrationSDD::GetDriftSpeedAtAnode(Float_t nAnode) const { |
162 | // Calculates drift speed for given position along anodes | |
163 | if(nAnode<256){ | |
164 | return fDriftVelParW0[0]+fDriftVelParW0[1]*nAnode+fDriftVelParW0[2]*nAnode*nAnode+fDriftVelParW0[3]*nAnode*nAnode*nAnode; | |
165 | }else{ | |
166 | nAnode-=256; | |
167 | return fDriftVelParW1[0]+fDriftVelParW1[1]*nAnode+fDriftVelParW1[2]*nAnode*nAnode+fDriftVelParW1[3]*nAnode*nAnode*nAnode; | |
168 | } | |
169 | } | |
170 | ||
171 | //______________________________________________________________________ | |
172 | Float_t AliITSCalibrationSDD::GetChannelGain(Int_t anode) const{ | |
173 | // returns gain for givenanode | |
174 | Int_t iWing=GetWing(anode); | |
175 | Int_t iChip=GetChip(anode); | |
176 | Int_t iChan=GetChipChannel(anode); | |
177 | return fGain[iWing][iChip][iChan]; | |
178 | } | |
f45f6658 | 179 | /* |
fcf95fc7 | 180 | //______________________________________________________________________ |
181 | void AliITSCalibrationSDD::SetDeadChannels(Int_t nchip, Int_t nchan){ | |
182 | // Set fGain to zero to simulate a random distribution of | |
183 | // dead modules, dead chips and single dead channels | |
184 | ||
185 | for( Int_t m=0; m<fgkWings; m++ ) | |
186 | for( Int_t n=0; n<fgkChips; n++ ) | |
187 | for( Int_t p=0; p<fgkChannels; p++ ) | |
188 | fGain[m][n][p] = 1.; | |
189 | ||
190 | //fDeadModules = nmod; | |
191 | fDeadChips = nchip; | |
192 | fDeadChannels = nchan; | |
f45f6658 | 193 | fBadChannels.Set(fDeadChannels); |
fcf95fc7 | 194 | // nothing to do |
195 | //if( nmod == 0 && nchip == 0 && nchan == 0 ) return; | |
196 | ||
197 | if( nchip == 0 && nchan == 0 ) return; | |
198 | // if( nmod < 0 || nmod > fgkModules ) | |
199 | // { | |
200 | // cout << "Wrong number of dead modules: " << nmod << endl; | |
201 | // return; | |
202 | // } | |
203 | ||
204 | Int_t nmax = fgkWings*fgkChips; | |
205 | if( nchip < 0 || nchip > nmax ) | |
206 | { | |
207 | cout << "Wrong number of dead chips: " << nchip << endl; | |
208 | return; | |
209 | } | |
210 | nmax = (fgkWings*fgkChips - nchip)*fgkChannels; | |
211 | if( nchan < 0 || nchan > nmax ) | |
212 | { | |
213 | cout << "Wrong number of dead channels: " << nchan << endl; | |
214 | return; | |
215 | } | |
216 | ||
217 | TRandom *gran = new TRandom(); | |
fcf95fc7 | 218 | // cout << "chips" << endl; |
219 | Int_t * chip = new Int_t[nchip]; | |
220 | Int_t i = 0; | |
221 | while( i < nchip ) | |
222 | { | |
223 | Int_t wing = (Int_t) (fgkWings*gran->Uniform() + 1.); | |
224 | if( wing <=0 || wing > fgkWings ) Error("SetDeadChannels","Wrong wing"); | |
225 | ||
226 | Int_t chi = (Int_t) (fgkChips*gran->Uniform() + 1.); | |
227 | if( chi <=0 || chi > fgkChips ) Error("SetDeadChannels","Wrong chip:%d\n",chi); | |
228 | i++; | |
229 | chip[i-1] = chi; | |
230 | for( Int_t m=0; m<fgkChannels; m++ ) | |
231 | fGain[wing-1][chi-1][m] = 0.; | |
232 | } | |
233 | ||
234 | Int_t * channel = new Int_t[nchan]; | |
235 | Int_t * channelChip = new Int_t[nchan]; | |
236 | i = 0; | |
237 | while( i < nchan ) | |
238 | { | |
239 | Int_t k; //loop variable | |
240 | Int_t wing = (Int_t) (fgkWings*gran->Uniform() + 1.); | |
241 | if( wing <=0 || wing > fgkWings ) Error("SetDeadChannels","Wrong wing:%d\n",wing); | |
242 | Int_t chipp = (Int_t) (fgkChips*gran->Uniform() + 1.); | |
243 | if( chipp <=0 || chipp > fgkChips ) Error("SetDeadChannels","Wrong chip:%d",chipp); | |
244 | Int_t flagChip = 0; | |
245 | for( k=0; k<nchip; k++) | |
246 | if( chipp == chip[k] ) { | |
247 | flagChip = 1; break; } | |
248 | if( flagChip == 1 ) continue; | |
249 | i++; | |
250 | channel[i-1] = (Int_t) (fgkChannels*gran->Uniform() + 1.); | |
251 | if( channel[i-1] <=0 || channel[i-1] > fgkChannels ) | |
252 | Error("SetDeadChannels","Wrong channel:%d\n",channel[i-1]); | |
253 | channelChip[i-1] = chipp; | |
254 | fGain[wing-1][chipp-1][channel[i-1]-1] = 0.; | |
255 | } | |
256 | ||
257 | delete [] chip; | |
258 | delete [] channel; | |
259 | delete [] channelChip; | |
260 | } | |
f45f6658 | 261 | */ |
4952f440 | 262 | |
263 | ||
fcf95fc7 | 264 | //______________________________________________________________________ |
265 | void AliITSCalibrationSDD::PrintGains() const{ | |
266 | // | |
267 | ||
268 | if( GetDeadChips() == 0 && | |
269 | GetDeadChannels() == 0 ) | |
270 | return; | |
271 | ||
272 | // Print Electronics Gains | |
273 | cout << "**************************************************" << endl; | |
274 | cout << " Print Electronics Gains " << endl; | |
275 | cout << "**************************************************" << endl; | |
276 | ||
277 | // Print SDD electronic gains | |
278 | for(Int_t t=0; t<fgkWings;t++) | |
279 | for(Int_t u=0; u<fgkChips;u++) | |
280 | for(Int_t v=0; v<fgkChannels;v++) | |
281 | { | |
282 | if( fGain[t][u][v] != 1.0 ) | |
283 | cout << "Gain for wing: " << t+1 << ", Chip " << u+1 << | |
284 | ", Channel " << v+1 << " = " << fGain[t][u][v] << endl; | |
285 | } | |
286 | } | |
e56160b8 | 287 | |
fcf95fc7 | 288 | //______________________________________________________________________ |
289 | void AliITSCalibrationSDD::Print(){ | |
290 | // Print SDD response Parameters | |
291 | ||
292 | cout << "**************************************************" << endl; | |
293 | cout << " Silicon Drift Detector Response Parameters " << endl; | |
294 | cout << "**************************************************" << endl; | |
295 | cout << "Hardware compression parameters: " << endl; | |
f45f6658 | 296 | cout << "Noise before electronics (arbitrary units): " << fNoise[0] << endl; |
297 | cout << "Baseline (ADC units): " << fBaseline[0] << endl; | |
298 | cout << "Noise after electronics (ADC units): " << fNoiseAfterEl[0] << endl; | |
fcf95fc7 | 299 | cout << "Temperature: " << Temperature() << " K " << endl; |
300 | cout << "Min. Value: " << fMinVal << endl; | |
301 | PrintGains(); | |
302 | ||
5bfe44ce | 303 | } |