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1 | /************************************************************************** |
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2 | * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. * |
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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 | |
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16 | /* $Id$ */ |
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17 | |
18 | #include <Riostream.h> |
19 | #include <TRandom.h> |
20 | #include "AliITSCalibrationSDD.h" |
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21 | #include "AliLog.h" |
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22 | |
23 | ////////////////////////////////////////////////////// |
24 | // Calibration class for set:ITS // |
25 | // Specific subdetector implementation // |
26 | // for silicon drift detectors // |
27 | // // |
28 | // // |
29 | ////////////////////////////////////////////////////// |
30 | |
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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; |
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36 | //______________________________________________________________________ |
37 | ClassImp(AliITSCalibrationSDD) |
38 | |
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39 | AliITSCalibrationSDD::AliITSCalibrationSDD(): |
40 | AliITSCalibration(), |
41 | fDeadChips(0), |
42 | fDeadChannels(0), |
43 | fMinVal(fgkMinValDefault), |
44 | fIsDead(kFALSE), |
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45 | fBadChannels(), |
46 | fMapAW0(0), |
47 | fMapAW1(0), |
48 | fMapTW0(0), |
49 | fMapTW1(0) |
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50 | { |
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51 | // default constructor |
52 | |
53 | SetDeadChannels(); |
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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 | } |
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65 | SetThresholds(fgkMinValDefault,0.); |
66 | SetTemperature(fgkTemperatureDefault); |
67 | SetDataType(); |
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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.; |
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73 | } |
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74 | } |
75 | //______________________________________________________________________ |
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76 | AliITSCalibrationSDD::AliITSCalibrationSDD(const char *dataType): |
77 | AliITSCalibration(), |
78 | fDeadChips(0), |
79 | fDeadChannels(0), |
80 | fMinVal(fgkMinValDefault), |
81 | fIsDead(kFALSE), |
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82 | fBadChannels(), |
83 | fMapAW0(0), |
84 | fMapAW1(0), |
85 | fMapTW0(0), |
86 | fMapTW1(0){ |
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87 | // constructor |
88 | |
89 | SetDeadChannels(); |
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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 | } |
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101 | |
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102 | SetThresholds(fgkMinValDefault,0.); |
103 | SetTemperature(fgkTemperatureDefault); |
104 | SetDataType(dataType); |
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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.; |
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110 | } |
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111 | } |
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112 | //_____________________________________________________________________ |
113 | AliITSCalibrationSDD::~AliITSCalibrationSDD(){ |
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114 | |
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115 | //destructor |
116 | if(fMapAW0) delete fMapAW0; |
117 | if(fMapAW1) delete fMapAW1; |
118 | if(fMapTW0) delete fMapTW0; |
119 | if(fMapTW1) delete fMapTW1; |
120 | |
121 | } |
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122 | |
123 | //______________________________________________________________________ |
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124 | void AliITSCalibrationSDD::GiveCompressParam(Int_t cp[8],Int_t ian) const { |
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125 | // give compression param |
126 | |
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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; |
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135 | } |
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136 | //_____________________________________________________________________ |
137 | void AliITSCalibrationSDD::SetBadChannel(Int_t i,Int_t anode){ |
138 | //Set bad anode (set gain=0 for these channels); |
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139 | |
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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 | } |
150 | //_____________________________________________________________________ |
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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 | |
160 | |
161 | |
162 | //_____________________________________________________________________ |
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163 | Bool_t AliITSCalibrationSDD::IsBadChannel(Int_t anode){ |
164 | //returns kTRUE if the anode i (0-512) has fGain=0 |
165 | if(anode<0 || anode >fgkChannels*fgkChips*fgkWings-1)AliError("Wrong anode number"); |
166 | Int_t wing=0; |
167 | Int_t chip,channel; |
168 | chip=anode/fgkChannels; |
169 | channel=anode-(chip*fgkChannels); |
170 | if(anode>=fgkChips*fgkChannels) wing=1; |
171 | if(wing==1)chip-=fgkChips; |
172 | if(fGain[wing][chip][channel]==0) return kTRUE; |
173 | else return kFALSE; |
174 | } |
175 | /* |
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176 | //______________________________________________________________________ |
177 | void AliITSCalibrationSDD::SetDeadChannels(Int_t nchip, Int_t nchan){ |
178 | // Set fGain to zero to simulate a random distribution of |
179 | // dead modules, dead chips and single dead channels |
180 | |
181 | for( Int_t m=0; m<fgkWings; m++ ) |
182 | for( Int_t n=0; n<fgkChips; n++ ) |
183 | for( Int_t p=0; p<fgkChannels; p++ ) |
184 | fGain[m][n][p] = 1.; |
185 | |
186 | //fDeadModules = nmod; |
187 | fDeadChips = nchip; |
188 | fDeadChannels = nchan; |
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189 | fBadChannels.Set(fDeadChannels); |
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190 | // nothing to do |
191 | //if( nmod == 0 && nchip == 0 && nchan == 0 ) return; |
192 | |
193 | if( nchip == 0 && nchan == 0 ) return; |
194 | // if( nmod < 0 || nmod > fgkModules ) |
195 | // { |
196 | // cout << "Wrong number of dead modules: " << nmod << endl; |
197 | // return; |
198 | // } |
199 | |
200 | Int_t nmax = fgkWings*fgkChips; |
201 | if( nchip < 0 || nchip > nmax ) |
202 | { |
203 | cout << "Wrong number of dead chips: " << nchip << endl; |
204 | return; |
205 | } |
206 | nmax = (fgkWings*fgkChips - nchip)*fgkChannels; |
207 | if( nchan < 0 || nchan > nmax ) |
208 | { |
209 | cout << "Wrong number of dead channels: " << nchan << endl; |
210 | return; |
211 | } |
212 | |
213 | TRandom *gran = new TRandom(); |
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214 | // cout << "chips" << endl; |
215 | Int_t * chip = new Int_t[nchip]; |
216 | Int_t i = 0; |
217 | while( i < nchip ) |
218 | { |
219 | Int_t wing = (Int_t) (fgkWings*gran->Uniform() + 1.); |
220 | if( wing <=0 || wing > fgkWings ) Error("SetDeadChannels","Wrong wing"); |
221 | |
222 | Int_t chi = (Int_t) (fgkChips*gran->Uniform() + 1.); |
223 | if( chi <=0 || chi > fgkChips ) Error("SetDeadChannels","Wrong chip:%d\n",chi); |
224 | i++; |
225 | chip[i-1] = chi; |
226 | for( Int_t m=0; m<fgkChannels; m++ ) |
227 | fGain[wing-1][chi-1][m] = 0.; |
228 | } |
229 | |
230 | Int_t * channel = new Int_t[nchan]; |
231 | Int_t * channelChip = new Int_t[nchan]; |
232 | i = 0; |
233 | while( i < nchan ) |
234 | { |
235 | Int_t k; //loop variable |
236 | Int_t wing = (Int_t) (fgkWings*gran->Uniform() + 1.); |
237 | if( wing <=0 || wing > fgkWings ) Error("SetDeadChannels","Wrong wing:%d\n",wing); |
238 | Int_t chipp = (Int_t) (fgkChips*gran->Uniform() + 1.); |
239 | if( chipp <=0 || chipp > fgkChips ) Error("SetDeadChannels","Wrong chip:%d",chipp); |
240 | Int_t flagChip = 0; |
241 | for( k=0; k<nchip; k++) |
242 | if( chipp == chip[k] ) { |
243 | flagChip = 1; break; } |
244 | if( flagChip == 1 ) continue; |
245 | i++; |
246 | channel[i-1] = (Int_t) (fgkChannels*gran->Uniform() + 1.); |
247 | if( channel[i-1] <=0 || channel[i-1] > fgkChannels ) |
248 | Error("SetDeadChannels","Wrong channel:%d\n",channel[i-1]); |
249 | channelChip[i-1] = chipp; |
250 | fGain[wing-1][chipp-1][channel[i-1]-1] = 0.; |
251 | } |
252 | |
253 | delete [] chip; |
254 | delete [] channel; |
255 | delete [] channelChip; |
256 | } |
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257 | */ |
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258 | //______________________________________________________________________ |
259 | void AliITSCalibrationSDD::PrintGains() const{ |
260 | // |
261 | |
262 | if( GetDeadChips() == 0 && |
263 | GetDeadChannels() == 0 ) |
264 | return; |
265 | |
266 | // Print Electronics Gains |
267 | cout << "**************************************************" << endl; |
268 | cout << " Print Electronics Gains " << endl; |
269 | cout << "**************************************************" << endl; |
270 | |
271 | // Print SDD electronic gains |
272 | for(Int_t t=0; t<fgkWings;t++) |
273 | for(Int_t u=0; u<fgkChips;u++) |
274 | for(Int_t v=0; v<fgkChannels;v++) |
275 | { |
276 | if( fGain[t][u][v] != 1.0 ) |
277 | cout << "Gain for wing: " << t+1 << ", Chip " << u+1 << |
278 | ", Channel " << v+1 << " = " << fGain[t][u][v] << endl; |
279 | } |
280 | } |
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281 | |
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282 | //______________________________________________________________________ |
283 | void AliITSCalibrationSDD::Print(){ |
284 | // Print SDD response Parameters |
285 | |
286 | cout << "**************************************************" << endl; |
287 | cout << " Silicon Drift Detector Response Parameters " << endl; |
288 | cout << "**************************************************" << endl; |
289 | cout << "Hardware compression parameters: " << endl; |
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290 | cout << "Noise before electronics (arbitrary units): " << fNoise[0] << endl; |
291 | cout << "Baseline (ADC units): " << fBaseline[0] << endl; |
292 | cout << "Noise after electronics (ADC units): " << fNoiseAfterEl[0] << endl; |
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293 | cout << "Temperature: " << Temperature() << " K " << endl; |
294 | cout << "Min. Value: " << fMinVal << endl; |
295 | PrintGains(); |
296 | |
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297 | } |