/**************************************************************************
* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
+ * *
* Author: The ALICE Off-line Project. *
* Contributors are mentioned in the code where appropriate. *
* *
* provided "as is" without express or implied warranty. *
**************************************************************************/
-#include "AliITSresponseSDD.h"
+/* $Id$ */
+
+#include <Riostream.h>
+#include <TRandom.h>
+#include "AliITSresponseSDD.h"
+//////////////////////////////////////////////////
+// Response class for set:ITS //
+// Specific subdetector implementation //
+// for silicon drift detectors //
+// //
+// //
+//////////////////////////////////////////////////////
-//___________________________________________
-ClassImp(AliITSresponseSDD)
+const Int_t AliITSresponseSDD::fgkWings;
+const Int_t AliITSresponseSDD::fgkChips;
+const Int_t AliITSresponseSDD::fgkChannels;
+const Int_t AliITSresponseSDD::fgkMaxAdcDefault = 1024;
+const Double_t AliITSresponseSDD::fgkDynamicRangeDefault = 132.;
+const Double_t AliITSresponseSDD::fgkfChargeLossDefault = 0;
+const Double_t AliITSresponseSDD::fgkDiffCoeffDefault = 3.23;
+const Double_t AliITSresponseSDD::fgkDiffCoeff1Default = 30.;
+const Double_t AliITSresponseSDD::fgkTemperatureDefault = 296.;
+const TString AliITSresponseSDD::fgkParam1Default = "same";
+const TString AliITSresponseSDD::fgkParam2Default = "same";
+const Double_t AliITSresponseSDD::fgkNoiseDefault = 10.;
+const Double_t AliITSresponseSDD::fgkBaselineDefault = 20.;
+const TString AliITSresponseSDD::fgkOptionDefault = "1D";
+const Double_t AliITSresponseSDD::fgkMinValDefault = 4;
+const Double_t AliITSresponseSDD::fgkDriftSpeedDefault = 7.3;
+const Double_t AliITSresponseSDD::fgkNsigmasDefault = 3.;
+const Int_t AliITSresponseSDD::fgkNcompsDefault = 121;
+//______________________________________________________________________
+ClassImp(AliITSresponseSDD)
-AliITSresponseSDD::AliITSresponseSDD()
-{
+ AliITSresponseSDD::AliITSresponseSDD(){
+ // default constructor
+ fGaus = 0;
+ SetDeadChannels();
+ SetMaxAdc(fgkMaxAdcDefault);
+ SetDiffCoeff(fgkDiffCoeffDefault,fgkDiffCoeff1Default);
+ SetDriftSpeed(fgkDriftSpeedDefault);
+ SetNSigmaIntegration(fgkNsigmasDefault);
+ SetNLookUp(fgkNcompsDefault);
+ // SetClock();
+ for(Int_t i=0;i<fgkWings;i++){
+ for(Int_t j=0;j<fgkChips;j++){
+ fBaseline=0;
+ fNoise=0;
+ }
+ }
+ SetNoiseParam(fgkNoiseDefault,fgkBaselineDefault);
+ SetNoiseAfterElectronics();
+ SetJitterError();
+ SetElectronics();
+ SetDynamicRange(fgkDynamicRangeDefault);
+ SetChargeLoss(fgkfChargeLossDefault);
+ SetThresholds(fgkMinValDefault,0.);
+ SetParamOptions(fgkParam1Default.Data(),fgkParam2Default.Data());
+ SetTemperature(fgkTemperatureDefault);
+ SetZeroSupp(fgkOptionDefault);
+ SetDataType();
+ SetFilenames();
+ SetOutputOption();
+ SetDo10to8();
+ // set the default zero suppression parameters
+ fCPar[0]=(Int_t) fBaseline;
+ fCPar[1]=(Int_t) fBaseline;
+ fCPar[2]=(Int_t)(2.*fNoiseAfterEl + 0.5);
+ fCPar[3]=(Int_t)(2.*fNoiseAfterEl + 0.5);
+ fCPar[4]=0;
+ fCPar[5]=0;
+ fCPar[6]=0;
+ fCPar[7]=0;
+}
+//______________________________________________________________________
+AliITSresponseSDD::AliITSresponseSDD(const char *dataType){
// constructor
- SetMaxAdc();
- SetDiffCoeff();
- SetDriftSpeed();
- SetNSigmaIntegration();
- // SetClock();
- SetNoiseParam();
- SetMagicValue();
- SetMinVal();
- SetParamOptions();
- SetZeroSupp();
- SetDataType();
- SetFilenames();
- SetOutputOption();
- SetDo10to8();
+ fGaus = 0;
+ SetDeadChannels();
+ SetMaxAdc(fgkMaxAdcDefault);
+ SetDiffCoeff(fgkDiffCoeffDefault,fgkDiffCoeff1Default);
+ SetDriftSpeed(fgkDriftSpeedDefault);
+ SetNSigmaIntegration(fgkNsigmasDefault);
+ SetNLookUp(fgkNcompsDefault);
+ // SetClock();
+ for(Int_t i=0;i<fgkWings;i++){
+ for(Int_t j=0;j<fgkChips*fgkChannels;j++){
+ fBaseline=0;
+ fNoise=0;
+ }
+ }
+ SetNoiseParam(fgkNoiseDefault,fgkBaselineDefault);
+ SetNoiseAfterElectronics();
+ SetJitterError();
+ SetElectronics();
+ SetDynamicRange(fgkDynamicRangeDefault);
+ SetChargeLoss(fgkfChargeLossDefault);
+ SetThresholds(fgkMinValDefault,0.);
+ SetParamOptions(fgkParam1Default.Data(),fgkParam2Default.Data());
+ SetTemperature(fgkTemperatureDefault);
+ SetZeroSupp(fgkOptionDefault);
+ SetDataType(dataType);
+ SetFilenames();
+ SetOutputOption();
+ SetDo10to8();
+ // set the default zero suppression parameters
+ fCPar[0]=(Int_t) fBaseline;
+ fCPar[1]=(Int_t) fBaseline;
+ fCPar[2]=(Int_t)(2.*fNoiseAfterEl + 0.5);
+ fCPar[3]=(Int_t)(2.*fNoiseAfterEl + 0.5);
+ fCPar[4]=0;
+ fCPar[5]=0;
+ fCPar[6]=0;
+ fCPar[7]=0;
+}
+//______________________________________________________________________
+AliITSresponseSDD::AliITSresponseSDD(const AliITSresponseSDD &ob) : AliITSresponse(ob) {
+ // Copy constructor
+ // Copies are not allowed. The method is protected to avoid misuse.
+ Error("AliITSresponseSDD","Copy constructor not allowed\n");
+}
+//______________________________________________________________________
+AliITSresponseSDD& AliITSresponseSDD::operator=(const AliITSresponseSDD& /* ob */){
+ // Assignment operator
+ // Assignment is not allowed. The method is protected to avoid misuse.
+ Error("= operator","Assignment operator not allowed\n");
+ return *this;
}
-//__________________________________________________________________________
-AliITSresponseSDD::AliITSresponseSDD(const AliITSresponseSDD &source){
- // Copy Constructor
- if(&source == this) return;
- Int_t i;
- for(i=0;i<8;i++){this->fCPar[i] = source.fCPar[i];}
- this->fNoise = source.fNoise;
- this->fBaseline = source.fBaseline;
- this->fTopValue = source.fTopValue;
- this->fTemperature = source.fTemperature;
- this->fDriftSpeed = source.fDriftSpeed;
- this->fNsigmas = source.fNsigmas;
- this->fMaxAdc = source.fMaxAdc;
- this->fDiffCoeff = source.fDiffCoeff;
- this->fDiffCoeff1 = source.fDiffCoeff1;
- this->fZeroSuppFlag = source.fZeroSuppFlag;
- this->fMinVal = source.fMinVal;
- this->fWrite = source.fWrite;
- this->fBitComp = source.fBitComp;
- this->fOption = source.fOption;
- this->fParam1 = source.fParam1;
- return;
+//______________________________________________________________________
+AliITSresponseSDD::~AliITSresponseSDD() {
+
+ if(fGaus) delete fGaus;
}
-//_________________________________________________________________________
-AliITSresponseSDD&
- AliITSresponseSDD::operator=(const AliITSresponseSDD &source) {
- // Assignment operator
- if(&source == this) return *this;
- Int_t i;
- for(i=0;i<8;i++){this->fCPar[i] = source.fCPar[i];}
- this->fNoise = source.fNoise;
- this->fBaseline = source.fBaseline;
- this->fTopValue = source.fTopValue;
- this->fTemperature = source.fTemperature;
- this->fDriftSpeed = source.fDriftSpeed;
- this->fNsigmas = source.fNsigmas;
- this->fMaxAdc = source.fMaxAdc;
- this->fDiffCoeff = source.fDiffCoeff;
- this->fDiffCoeff1 = source.fDiffCoeff1;
- this->fZeroSuppFlag = source.fZeroSuppFlag;
- this->fMinVal = source.fMinVal;
- this->fWrite = source.fWrite;
- this->fBitComp = source.fBitComp;
- this->fOption = source.fOption;
- this->fParam1 = source.fParam1;
- return *this;
+//______________________________________________________________________
+Int_t AliITSresponseSDD::Convert8to10(Int_t signal) const {
+ // Undo the lossive 10 to 8 bit compression.
+ // code from Davide C. and Albert W.
+ if(Do10to8()){ // kTRUE if the compression is active
+ if (signal < 0 || signal > 255) {
+ Warning("Convert8to10","out of range signal=%d",signal);
+ return 0;
+ } // end if signal <0 || signal >255
+
+ if (signal < 128) return signal;
+ if (signal < 192) {
+ if (TMath::Odd(signal)) return (128+((signal-128)<<1));
+ else return (128+((signal-128)<<1)+1);
+ } // end if signal < 192
+ if (signal < 224) {
+ if (TMath::Odd(signal)) return (256+((signal-192)<<3)+3);
+ else return (256+((signal-192)<<3)+4);
+ } // end if signal < 224
+ if (TMath::Odd(signal)) return (512+((signal-224)<<4)+7);
+ return (512+((signal-224)<<4)+8);
+ }
+ else {
+ return signal;
+ }
}
-void AliITSresponseSDD::SetCompressParam(Int_t cp[8])
-{
+//______________________________________________________________________
+void AliITSresponseSDD::SetCompressParam(Int_t cp[8]){
// set compression param
- Int_t i;
- for (i=0; i<8; i++) {
- fCPar[i]=cp[i];
- //printf("\n CompressPar %d %d \n",i,fCPar[i]);
-
- }
+ Int_t i;
+ for (i=0; i<8; i++) {
+ fCPar[i]=cp[i];
+ //printf("\n CompressPar %d %d \n",i,fCPar[i]);
+ } // end for i
}
-void AliITSresponseSDD::GiveCompressParam(Int_t cp[8])
-{
+//______________________________________________________________________
+void AliITSresponseSDD::GiveCompressParam(Int_t cp[8]) const {
// give compression param
- Int_t i;
- for (i=0; i<8; i++) {
- cp[i]=fCPar[i];
+ Int_t i;
+ for (i=0; i<8; i++) {
+ cp[i]=fCPar[i];
+ } // end for i
+}
+//______________________________________________________________________
+void AliITSresponseSDD::SetNLookUp(Int_t p1){
+ // Set number of sigmas over which cluster disintegration is performed
+ fNcomps=p1;
+ fGaus = new TArrayF(fNcomps+1);
+ for(Int_t i=0; i<=fNcomps; i++) {
+ Double_t x = -fNsigmas + (2.*i*fNsigmas)/(fNcomps-1);
+ (*fGaus)[i] = exp(-((x*x)/2));
+ // cout << "fGaus[" << i << "]: " << fGaus->At(i) << endl;
+ }
+}
+//______________________________________________________________________
+void AliITSresponseSDD::SetDeadChannels(Int_t nchip, Int_t nchan){
+ // Set fGain to zero to simulate a random distribution of
+ // dead modules, dead chips and single dead channels
+
+ for( Int_t m=0; m<fgkWings; m++ )
+ for( Int_t n=0; n<fgkChips; n++ )
+ for( Int_t p=0; p<fgkChannels; p++ )
+ fGain[m][n][p] = 1.;
+
+ //fDeadModules = nmod;
+ fDeadChips = nchip;
+ fDeadChannels = nchan;
+
+ // nothing to do
+ //if( nmod == 0 && nchip == 0 && nchan == 0 ) return;
+
+ if( nchip == 0 && nchan == 0 ) return;
+ // if( nmod < 0 || nmod > fgkModules )
+ // {
+ // cout << "Wrong number of dead modules: " << nmod << endl;
+ // return;
+ // }
+
+ Int_t nmax = fgkWings*fgkChips;
+ if( nchip < 0 || nchip > nmax )
+ {
+ cout << "Wrong number of dead chips: " << nchip << endl;
+ return;
+ }
+ nmax = (fgkWings*fgkChips - nchip)*fgkChannels;
+ if( nchan < 0 || nchan > nmax )
+ {
+ cout << "Wrong number of dead channels: " << nchan << endl;
+ return;
+ }
+
+ TRandom *gran = new TRandom();
+ /*
+ // cout << "modules" << endl;
+ Int_t * mod = new Int_t [nmod];
+ Int_t i; //loop variable
+ for( i=0; i<nmod; i++ )
+ {
+ mod[i] = (Int_t) (1.+fgkModules*gran->Uniform());
+ cout << i+1 << ": Dead module nr: " << mod[i] << endl;
+ for(Int_t n=0; n<fgkChips; n++)
+ for(Int_t p=0; p<fgkChannels; p++)
+ fGain[mod[i]-1][n][p] = 0.;
+ }
+ */
+ // cout << "chips" << endl;
+ Int_t * chip = new Int_t[nchip];
+ Int_t i = 0;
+ while( i < nchip )
+ {
+ Int_t wing = (Int_t) (fgkWings*gran->Uniform() + 1.);
+ if( wing <=0 || wing > fgkWings ) Error("SetDeadChannels","Wrong wing");
+
+ Int_t chi = (Int_t) (fgkChips*gran->Uniform() + 1.);
+ if( chi <=0 || chi > fgkChips ) Error("SetDeadChannels","Wrong chip:%d\n",chi);
+ i++;
+ chip[i-1] = chi;
+ for( Int_t m=0; m<fgkChannels; m++ )
+ fGain[wing-1][chi-1][m] = 0.;
+ }
+
+ Int_t * channel = new Int_t[nchan];
+ Int_t * channelChip = new Int_t[nchan];
+ i = 0;
+ while( i < nchan )
+ {
+ Int_t k; //loop variable
+ Int_t wing = (Int_t) (fgkWings*gran->Uniform() + 1.);
+ if( wing <=0 || wing > fgkWings ) Error("SetDeadChannels","Wrong wing:%d\n",wing);
+ Int_t chipp = (Int_t) (fgkChips*gran->Uniform() + 1.);
+ if( chipp <=0 || chipp > fgkChips ) Error("SetDeadChannels","Wrong chip:%d",chipp);
+ Int_t flagChip = 0;
+ for( k=0; k<nchip; k++)
+ if( chipp == chip[k] ) {
+ flagChip = 1; break; }
+ if( flagChip == 1 ) continue;
+ i++;
+ channel[i-1] = (Int_t) (fgkChannels*gran->Uniform() + 1.);
+ if( channel[i-1] <=0 || channel[i-1] > fgkChannels )
+ Error("SetDeadChannels","Wrong channel:%d\n",channel[i-1]);
+ channelChip[i-1] = chipp;
+ fGain[wing-1][chipp-1][channel[i-1]-1] = 0.;
}
+
+ delete [] chip;
+ delete [] channel;
+ delete [] channelChip;
}
+//______________________________________________________________________
+void AliITSresponseSDD::PrintGains() const{
+ //
+
+ if( GetDeadChips() == 0 &&
+ GetDeadChannels() == 0 )
+ return;
+
+ // Print Electronics Gains
+ cout << "**************************************************" << endl;
+ cout << " Print Electronics Gains " << endl;
+ cout << "**************************************************" << endl;
+
+ // Print SDD electronic gains
+ for(Int_t t=0; t<fgkWings;t++)
+ for(Int_t u=0; u<fgkChips;u++)
+ for(Int_t v=0; v<fgkChannels;v++)
+ {
+ if( fGain[t][u][v] != 1.0 )
+ cout << "Gain for wing: " << t+1 << ", Chip " << u+1 <<
+ ", Channel " << v+1 << " = " << fGain[t][u][v] << endl;
+ }
+}
+//______________________________________________________________________
+void AliITSresponseSDD::Print(){
+ // Print SDD response Parameters
+
+ cout << "**************************************************" << endl;
+ cout << " Silicon Drift Detector Response Parameters " << endl;
+ cout << "**************************************************" << endl;
+ cout << "Diffusion Coefficients: "<< fDiffCoeff<< ", "<<fDiffCoeff1 << endl;
+
+ cout << "Hardware compression parameters: " << endl;
+ for(Int_t i=0; i<8; i++) cout << "fCPar[" << i << "] = " << fCPar[i] <<endl;
+ cout << "Noise before electronics (arbitrary units): " << fNoise << endl;
+ cout << "Baseline (ADC units): " << fBaseline << endl;
+ cout << "Noise after electronics (ADC units): " << fNoiseAfterEl << endl;
+
+ cout << "Dynamic Range: " << fDynamicRange << endl;
+ cout << "Charge Loss: " << fChargeLoss << endl;
+ cout << "Temperature: " << Temperature() << " K " << endl;
+ cout << "Drift Speed: " << fDriftSpeed << endl;
+ cout << "Electronics (1=PASCAL, 2=OLA): " << fElectronics << endl;
+
+ cout << "N. of Sigma for signal integration: " << fNsigmas << endl;
+ cout << "N. of bins in lookup table: " << fNcomps << endl;
+
+ cout << "Max. ADC Value: " << fMaxAdc << endl;
+ cout << "Min. Value: " << fMinVal << endl;
+
+ PrintGains();
+
+}
+
+
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff