Modifications associated with remerging the Ba/Sa and Dubna pixel simulations,
[u/mrichter/AliRoot.git] / ITS / AliITSresponseSDD.cxx
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b0f5e3fc 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
2aea926d 3 * *
b0f5e3fc 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 **************************************************************************/
b9d0a01d 15
88cb7938 16/* $Id$ */
b0f5e3fc 17
703a4e51 18#include <Riostream.h>
2aea926d 19#include <TRandom.h>
1ca7869b 20
b0f5e3fc 21#include "AliITSresponseSDD.h"
b0f5e3fc 22
703a4e51 23//////////////////////////////////////////////////
24// Response class for set:ITS //
25// Specific subdetector implementation //
26// for silicon drift detectors //
27// //
28// //
29//////////////////////////////////////////////////////
50d05d7b 30
703a4e51 31const Int_t AliITSresponseSDD::fgkModules;
32const Int_t AliITSresponseSDD::fgkChips;
33const Int_t AliITSresponseSDD::fgkChannels;
34const Int_t AliITSresponseSDD::fgkMaxAdcDefault = 1024;
aacedc3e 35const Double_t AliITSresponseSDD::fgkDynamicRangeDefault = 132.;
36const Double_t AliITSresponseSDD::fgkfChargeLossDefault = 0;
37const Double_t AliITSresponseSDD::fgkDiffCoeffDefault = 3.23;
38const Double_t AliITSresponseSDD::fgkDiffCoeff1Default = 30.;
39const Double_t AliITSresponseSDD::fgkTemperatureDefault = 296.;
703a4e51 40const TString AliITSresponseSDD::fgkParam1Default = "same";
41const TString AliITSresponseSDD::fgkParam2Default = "same";
aacedc3e 42const Double_t AliITSresponseSDD::fgkNoiseDefault = 10.;
43const Double_t AliITSresponseSDD::fgkBaselineDefault = 20.;
703a4e51 44const TString AliITSresponseSDD::fgkOptionDefault = "1D";
aacedc3e 45const Double_t AliITSresponseSDD::fgkMinValDefault = 4;
46const Double_t AliITSresponseSDD::fgkDriftSpeedDefault = 7.3;
47const Double_t AliITSresponseSDD::fgkNsigmasDefault = 3.;
703a4e51 48const Int_t AliITSresponseSDD::fgkNcompsDefault = 121;
48058160 49//______________________________________________________________________
50ClassImp(AliITSresponseSDD)
50d05d7b 51
3d2c9d72 52 AliITSresponseSDD::AliITSresponseSDD(){
50d05d7b 53 // default constructor
3d2c9d72 54 fGaus = 0;
55 SetDeadChannels();
56 SetMaxAdc(fgkMaxAdcDefault);
57 SetDiffCoeff(fgkDiffCoeffDefault,fgkDiffCoeff1Default);
58 SetDriftSpeed(fgkDriftSpeedDefault);
59 SetNSigmaIntegration(fgkNsigmasDefault);
60 SetNLookUp(fgkNcompsDefault);
61 // SetClock();
62 SetNoiseParam(fgkNoiseDefault,fgkBaselineDefault);
63 SetNoiseAfterElectronics();
64 SetJitterError();
65 SetElectronics();
66 SetDynamicRange(fgkDynamicRangeDefault);
67 SetChargeLoss(fgkfChargeLossDefault);
68 SetThresholds(fgkMinValDefault,0.);
69 SetParamOptions(fgkParam1Default.Data(),fgkParam2Default.Data());
70 SetTemperature(fgkTemperatureDefault);
71 SetZeroSupp(fgkOptionDefault);
72 SetDataType();
73 SetFilenames();
74 SetOutputOption();
75 SetDo10to8();
76 // set the default zero suppression parameters
77 fCPar[0]=(Int_t) fBaseline;
78 fCPar[1]=(Int_t) fBaseline;
79 fCPar[2]=(Int_t)(2.*fNoiseAfterEl + 0.5);
80 fCPar[3]=(Int_t)(2.*fNoiseAfterEl + 0.5);
81 fCPar[4]=0;
82 fCPar[5]=0;
83 fCPar[6]=0;
84 fCPar[7]=0;
9de0700b 85}
48058160 86//______________________________________________________________________
87AliITSresponseSDD::AliITSresponseSDD(const char *dataType){
b0f5e3fc 88 // constructor
3d2c9d72 89 fGaus = 0;
90 SetDeadChannels();
91 SetMaxAdc(fgkMaxAdcDefault);
92 SetDiffCoeff(fgkDiffCoeffDefault,fgkDiffCoeff1Default);
93 SetDriftSpeed(fgkDriftSpeedDefault);
94 SetNSigmaIntegration(fgkNsigmasDefault);
95 SetNLookUp(fgkNcompsDefault);
96 // SetClock();
97 SetNoiseParam(fgkNoiseDefault,fgkBaselineDefault);
98 SetNoiseAfterElectronics();
99 SetJitterError();
100 SetElectronics();
101 SetDynamicRange(fgkDynamicRangeDefault);
102 SetChargeLoss(fgkfChargeLossDefault);
103 SetThresholds(fgkMinValDefault,0.);
104 SetParamOptions(fgkParam1Default.Data(),fgkParam2Default.Data());
105 SetTemperature(fgkTemperatureDefault);
106 SetZeroSupp(fgkOptionDefault);
107 SetDataType(dataType);
108 SetFilenames();
109 SetOutputOption();
110 SetDo10to8();
111 // set the default zero suppression parameters
112 fCPar[0]=(Int_t) fBaseline;
113 fCPar[1]=(Int_t) fBaseline;
114 fCPar[2]=(Int_t)(2.*fNoiseAfterEl + 0.5);
115 fCPar[3]=(Int_t)(2.*fNoiseAfterEl + 0.5);
116 fCPar[4]=0;
117 fCPar[5]=0;
118 fCPar[6]=0;
119 fCPar[7]=0;
b0f5e3fc 120}
48058160 121//______________________________________________________________________
703a4e51 122AliITSresponseSDD::AliITSresponseSDD(const AliITSresponseSDD &ob) : AliITSresponse(ob) {
123 // Copy constructor
124 // Copies are not allowed. The method is protected to avoid misuse.
125 Error("AliITSresponseSDD","Copy constructor not allowed\n");
126}
127
128//______________________________________________________________________
129AliITSresponseSDD& AliITSresponseSDD::operator=(const AliITSresponseSDD& /* ob */){
130 // Assignment operator
131 // Assignment is not allowed. The method is protected to avoid misuse.
132 Error("= operator","Assignment operator not allowed\n");
133 return *this;
134}
135
136//______________________________________________________________________
03898a57 137AliITSresponseSDD::~AliITSresponseSDD() {
b0f5e3fc 138
03898a57 139 if(fGaus) delete fGaus;
b0f5e3fc 140}
7f1a504b 141
142//______________________________________________________________________
143Int_t AliITSresponseSDD::Convert8to10(Int_t signal) const {
144 // Undo the lossive 10 to 8 bit compression.
145 // code from Davide C. and Albert W.
146 if(Do10to8()){ // kTRUE if the compression is active
147 if (signal < 0 || signal > 255) {
148 Warning("Convert8to10","out of range signal=%d",signal);
149 return 0;
150 } // end if signal <0 || signal >255
151
152 if (signal < 128) return signal;
153 if (signal < 192) {
154 if (TMath::Odd(signal)) return (128+((signal-128)<<1));
155 else return (128+((signal-128)<<1)+1);
156 } // end if signal < 192
157 if (signal < 224) {
158 if (TMath::Odd(signal)) return (256+((signal-192)<<3)+3);
159 else return (256+((signal-192)<<3)+4);
160 } // end if signal < 224
161 if (TMath::Odd(signal)) return (512+((signal-224)<<4)+7);
162 return (512+((signal-224)<<4)+8);
163 }
164 else {
165 return signal;
166 }
167}
168
48058160 169//______________________________________________________________________
170void AliITSresponseSDD::SetCompressParam(Int_t cp[8]){
b0f5e3fc 171 // set compression param
e8189707 172
3d2c9d72 173 Int_t i;
174 for (i=0; i<8; i++) {
175 fCPar[i]=cp[i];
176 //printf("\n CompressPar %d %d \n",i,fCPar[i]);
177 } // end for i
b0f5e3fc 178}
48058160 179//______________________________________________________________________
703a4e51 180void AliITSresponseSDD::GiveCompressParam(Int_t cp[8]) const {
b0f5e3fc 181 // give compression param
e8189707 182
3d2c9d72 183 Int_t i;
184 for (i=0; i<8; i++) {
185 cp[i]=fCPar[i];
186 } // end for i
b0f5e3fc 187}
48058160 188//______________________________________________________________________
703a4e51 189void AliITSresponseSDD::SetNLookUp(Int_t p1){
190 // Set number of sigmas over which cluster disintegration is performed
191 fNcomps=p1;
192 fGaus = new TArrayF(fNcomps+1);
193 for(Int_t i=0; i<=fNcomps; i++) {
aacedc3e 194 Double_t x = -fNsigmas + (2.*i*fNsigmas)/(fNcomps-1);
703a4e51 195 (*fGaus)[i] = exp(-((x*x)/2));
196 // cout << "fGaus[" << i << "]: " << fGaus->At(i) << endl;
197 }
198}
199//______________________________________________________________________
48058160 200void AliITSresponseSDD::SetDeadChannels(Int_t nmod, Int_t nchip, Int_t nchan){
3d2c9d72 201 // Set fGain to zero to simulate a random distribution of
202 // dead modules, dead chips and single dead channels
2aea926d 203
3d2c9d72 204 for( Int_t m=0; m<fgkModules; m++ )
205 for( Int_t n=0; n<fgkChips; n++ )
206 for( Int_t p=0; p<fgkChannels; p++ )
207 fGain[m][n][p] = 1.;
50d05d7b 208
3d2c9d72 209 fDeadModules = nmod;
210 fDeadChips = nchip;
211 fDeadChannels = nchan;
50d05d7b 212
3d2c9d72 213 // nothing to do
214 if( nmod == 0 && nchip == 0 && nchan == 0 ) return;
2aea926d 215
3d2c9d72 216 if( nmod < 0 || nmod > fgkModules )
50d05d7b 217 {
3d2c9d72 218 cout << "Wrong number of dead modules: " << nmod << endl;
219 return;
50d05d7b 220 }
3d2c9d72 221 Int_t nmax = (fgkModules-nmod)*fgkChips;
222 if( nchip < 0 || nchip > nmax )
50d05d7b 223 {
3d2c9d72 224 cout << "Wrong number of dead chips: " << nchip << endl;
225 return;
50d05d7b 226 }
3d2c9d72 227 nmax = ((fgkModules - nmod)*fgkChips - nchip)*fgkChannels;
228 if( nchan < 0 || nchan > nmax )
50d05d7b 229 {
3d2c9d72 230 cout << "Wrong number of dead channels: " << nchan << endl;
231 return;
50d05d7b 232 }
2aea926d 233
3d2c9d72 234 TRandom *gran = new TRandom();
2aea926d 235
3d2c9d72 236 // cout << "modules" << endl;
237 Int_t * mod = new Int_t [nmod];
238 Int_t i; //loop variable
239 for( i=0; i<nmod; i++ )
50d05d7b 240 {
3d2c9d72 241 mod[i] = (Int_t) (1.+fgkModules*gran->Uniform());
242 cout << i+1 << ": Dead module nr: " << mod[i] << endl;
243 for(Int_t n=0; n<fgkChips; n++)
244 for(Int_t p=0; p<fgkChannels; p++)
245 fGain[mod[i]-1][n][p] = 0.;
50d05d7b 246 }
247
3d2c9d72 248 // cout << "chips" << endl;
249 Int_t * chip = new Int_t[nchip];
250 Int_t * chipMod = new Int_t[nchip];
251 i = 0;
252 while( i < nchip )
50d05d7b 253 {
3d2c9d72 254 Int_t module = (Int_t) (fgkModules*gran->Uniform() + 1.);
255 if( module <=0 || module > fgkModules )
256 cout << "Wrong module: " << module << endl;
257 Int_t flagMod = 0;
258 for( Int_t k=0; k<nmod; k++ )
259 if( module == mod[k] ) { flagMod = 1; break; }
260 if( flagMod == 1 ) continue;
50d05d7b 261
3d2c9d72 262 Int_t chi = (Int_t) (fgkChips*gran->Uniform() + 1.);
263 if( chi <=0 || chi > fgkChips ) cout << "Wrong chip: " << chi << endl;
264 i++;
265 chip[i-1] = chi;
266 chipMod[i-1] = module;
267 for( Int_t m=0; m<fgkChannels; m++ )
268 fGain[module-1][chi-1][m] = 0.;
269 cout << i << ": Dead chip nr. " << chip[i-1] << " in module nr: "
270 << chipMod[i-1] << endl;
50d05d7b 271 }
272
3d2c9d72 273 // cout << "channels" << endl;
274 Int_t * channel = new Int_t[nchan];
275 Int_t * channelChip = new Int_t[nchan];
276 Int_t * channelMod = new Int_t[nchan];
277 i = 0;
278 while( i < nchan )
50d05d7b 279 {
3d2c9d72 280 Int_t k; //loop variable
281 Int_t module = (Int_t) (fgkModules*gran->Uniform() + 1.);
282 if( module <=0 || module > fgkModules )
283 cout << "Wrong module: " << module << endl;
284 Int_t flagMod = 0;
285 for( k=0; k<nmod; k++ )
286 if( module == mod[k] ) { flagMod = 1; break; }
287 if( flagMod == 1 ) continue;
288 Int_t chipp = (Int_t) (fgkChips*gran->Uniform() + 1.);
289 if( chipp <=0 || chipp > fgkChips ) cout << "Wrong chip: "<< chipp<<endl;
290 Int_t flagChip = 0;
291 for( k=0; k<nchip; k++)
292 if( chipp == chip[k] && module == chipMod[k] ) {
293 flagChip = 1; break; }
294 if( flagChip == 1 ) continue;
295 i++;
296 channel[i-1] = (Int_t) (fgkChannels*gran->Uniform() + 1.);
297 if( channel[i-1] <=0 || channel[i-1] > fgkChannels )
298 cout << "Wrong channel: " << channel[i-1] << endl;
299 channelChip[i-1] = chipp;
300 channelMod[i-1] = module;
301 fGain[module-1][chipp-1][channel[i-1]-1] = 0.;
302 cout << i << ": Dead channel nr. " << channel[i-1] << " in chip nr. "
303 << channelChip[i-1] << " in module nr: " << channelMod[i-1]
304 << endl;
50d05d7b 305 }
306
3d2c9d72 307 delete [] mod;
308 delete [] chip;
309 delete [] chipMod;
310 delete [] channel;
311 delete [] channelMod;
312 delete [] channelChip;
2aea926d 313}
48058160 314//______________________________________________________________________
315void AliITSresponseSDD::PrintGains(){
3d2c9d72 316 //
2aea926d 317
48058160 318 if( GetDeadModules() == 0 &&
319 GetDeadChips() == 0 &&
320 GetDeadChannels() == 0 )
3d2c9d72 321 return;
48058160 322
323 // Print Electronics Gains
50d05d7b 324 cout << "**************************************************" << endl;
325 cout << " Print Electronics Gains " << endl;
326 cout << "**************************************************" << endl;
327
2aea926d 328 // Print SDD electronic gains
703a4e51 329 for(Int_t t=0; t<fgkModules;t++)
330 for(Int_t u=0; u<fgkChips;u++)
331 for(Int_t v=0; v<fgkChannels;v++)
3d2c9d72 332 {
333 if( fGain[t][u][v] != 1.0 )
334 cout << "Gain for Module: " << t+1 << ", Chip " << u+1 <<
335 ", Channel " << v+1 << " = " << fGain[t][u][v] << endl;
336 }
2aea926d 337}
48058160 338//______________________________________________________________________
339void AliITSresponseSDD::Print(){
7551c5b2 340 // Print SDD response Parameters
341
3d2c9d72 342 cout << "**************************************************" << endl;
343 cout << " Silicon Drift Detector Response Parameters " << endl;
344 cout << "**************************************************" << endl;
345 cout << "Diffusion Coefficients: "<< fDiffCoeff<< ", "<<fDiffCoeff1 << endl;
7551c5b2 346
3d2c9d72 347 cout << "Hardware compression parameters: " << endl;
348 for(Int_t i=0; i<8; i++) cout << "fCPar[" << i << "] = " << fCPar[i] <<endl;
349 cout << "Noise before electronics (arbitrary units): " << fNoise << endl;
350 cout << "Baseline (ADC units): " << fBaseline << endl;
351 cout << "Noise after electronics (ADC units): " << fNoiseAfterEl << endl;
7551c5b2 352
3d2c9d72 353 cout << "Dynamic Range: " << fDynamicRange << endl;
354 cout << "Charge Loss: " << fChargeLoss << endl;
355 cout << "Temperature: " << Temperature() << " K " << endl;
356 cout << "Drift Speed: " << fDriftSpeed << endl;
357 cout << "Electronics (1=PASCAL, 2=OLA): " << fElectronics << endl;
7551c5b2 358
3d2c9d72 359 cout << "N. of Sigma for signal integration: " << fNsigmas << endl;
360 cout << "N. of bins in lookup table: " << fNcomps << endl;
7551c5b2 361
3d2c9d72 362 cout << "Max. ADC Value: " << fMaxAdc << endl;
363 cout << "Min. Value: " << fMinVal << endl;
7551c5b2 364
3d2c9d72 365 PrintGains();
7551c5b2 366
367}
368
369
370