X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=ITS%2FAliITSsimulationSSD.cxx;h=2ab39887b7eb5ba9a4ea423e9cf8761efda24209;hb=ee523d3ab1b6c042e96efcf310a5c52100c8f47d;hp=410d13034e9a2bc29d9bb6611dc6f6824abd2b9a;hpb=b48af42837326738183c8897f1d4c55c382d00c2;p=u%2Fmrichter%2FAliRoot.git diff --git a/ITS/AliITSsimulationSSD.cxx b/ITS/AliITSsimulationSSD.cxx index 410d13034e9..2ab39887b7e 100644 --- a/ITS/AliITSsimulationSSD.cxx +++ b/ITS/AliITSsimulationSSD.cxx @@ -12,15 +12,17 @@ * about the suitability of this software for any purpose. It is * * provided "as is" without express or implied warranty. * **************************************************************************/ + /* $Id$ */ #include #include -#include -#include +#include #include +#include #include #include +#include #include "AliITSmodule.h" #include "AliITSMapA2.h" @@ -29,9 +31,12 @@ #include "AliITSsegmentationSSD.h" #include "AliITSdcsSSD.h" #include "AliITS.h" +#include "AliITShit.h" +#include "AliITSdigit.h" #include "AliRun.h" #include "AliITSgeom.h" #include "AliITSsimulationSSD.h" +#include "AliITSTableSSD.h" ClassImp(AliITSsimulationSSD); //////////////////////////////////////////////////////////////////////// @@ -43,28 +48,45 @@ ClassImp(AliITSsimulationSSD); //---------------------------------------------------------------------- AliITSsimulationSSD::AliITSsimulationSSD(){ - //default Constructor + //default Constructor - fDCS = 0; - fDifConst[0] = fDifConst[1] = 0.0; - fDriftVel[0] = fDriftVel[1] = 0.0; - fMapA2 = 0; + fDCS = 0; + fDifConst[0] = fDifConst[1] = 0.0; + fDriftVel[0] = fDriftVel[1] = 0.0; + fMapA2 = 0; +// fpList = 0; } //---------------------------------------------------------------------- AliITSsimulationSSD::AliITSsimulationSSD(AliITSsegmentation *seg, AliITSresponse *resp){ - // Constructor + // Constructor + // Input: + // AliITSsegmentationSSD *seg Pointer to the SSD segmentation to be used + // AliITSresponseSSD *resp Pointer to the SSD responce class to be used + // Outputs: + // none. + // Return + // none. fDCS = 0; fDifConst[0] = fDifConst[1] = 0.0; fDriftVel[0] = fDriftVel[1] = 0.0; fMapA2 = 0; + SetDebug(kFALSE); +// fpList = 0; Init((AliITSsegmentationSSD*)seg,(AliITSresponseSSD*)resp); } //---------------------------------------------------------------------- void AliITSsimulationSSD::Init(AliITSsegmentationSSD *seg, - AliITSresponseSSD *resp){ - // Constructor + AliITSresponseSSD *resp){ + // Inilizer, Inilizes all of the variable as needed in a standard place. + // Input: + // AliITSsegmentationSSD *seg Pointer to the SSD segmentation to be used + // AliITSresponseSSD *resp Pointer to the SSD responce class to be used + // Outputs: + // none. + // Return + // none. fSegmentation = seg; fResponse = resp; @@ -75,80 +97,112 @@ void AliITSsimulationSSD::Init(AliITSsegmentationSSD *seg, SetDriftVelocity(); // use default values in .h file SetIonizeE(); // use default values in .h file SetDiffConst(); // use default values in .h file + fpList = new AliITSpList(2,GetNStrips()); fMapA2 = new AliITSMapA2(fSegmentation); } //______________________________________________________________________ AliITSsimulationSSD& AliITSsimulationSSD::operator=( - const AliITSsimulationSSD &s){ - // Operator = - - if(this==&s) return *this; - - this->fDCS = new AliITSdcsSSD(*(s.fDCS)); - this->fMapA2 = s.fMapA2; - this->fIonE = s.fIonE; - this->fDifConst[0] = s.fDifConst[0]; - this->fDifConst[1] = s.fDifConst[1]; - this->fDriftVel[0] = s.fDriftVel[0]; - this->fDriftVel[1] = s.fDriftVel[1]; - return *this; + const AliITSsimulationSSD &s){ + // Operator = + + if(this==&s) return *this; + + this->fDCS = new AliITSdcsSSD(*(s.fDCS)); + this->fMapA2 = s.fMapA2; + this->fIonE = s.fIonE; + this->fDifConst[0] = s.fDifConst[0]; + this->fDifConst[1] = s.fDifConst[1]; + this->fDriftVel[0] = s.fDriftVel[0]; + this->fDriftVel[1] = s.fDriftVel[1]; + return *this; } //______________________________________________________________________ -AliITSsimulationSSD::AliITSsimulationSSD(const AliITSsimulationSSD &source){ - // copy constructor +AliITSsimulationSSD::AliITSsimulationSSD(const AliITSsimulationSSD &source): + AliITSsimulation(source){ + // copy constructor - *this = source; + *this = source; } //______________________________________________________________________ AliITSsimulationSSD::~AliITSsimulationSSD() { - // destructor - delete fMapA2; - delete fDCS; + // destructor + delete fMapA2; + delete fDCS; +} +//______________________________________________________________________ +void AliITSsimulationSSD::InitSimulationModule(Int_t module,Int_t event){ + // Creates maps to build the list of tracks for each sumable digit + // Inputs: + // Int_t module // Module number to be simulated + // Int_t event // Event number to be simulated + // Outputs: + // none. + // Return + // none. + + fModule = module; + fEvent = event; + fMapA2->ClearMap(); + fpList->ClearMap(); +} +//______________________________________________________________________ +void AliITSsimulationSSD::FinishSDigitiseModule(){ + // Does the Sdigits to Digits work + // Inputs: + // none. + // Outputs: + // none. + // Return: + // none. + + FillMapFrompList(fpList); // need to check if needed here or not???? + SDigitToDigit(fModule,fpList); + fpList->ClearMap(); + fMapA2->ClearMap(); } //______________________________________________________________________ void AliITSsimulationSSD::DigitiseModule(AliITSmodule *mod, - Int_t dummy0,Int_t dummy1) { - // Digitizes hits for one SSD module - Int_t module = mod->GetIndex(); - AliITSpList *pList = new AliITSpList(2,GetNStrips()); + Int_t dummy0,Int_t dummy1) { + // Digitizes hits for one SSD module + Int_t module = mod->GetIndex(); - HitsToAnalogDigits(mod,pList); - SDigitToDigit(module,pList); + dummy0 = dummy1 = 0; // remove unused variable warning. + HitsToAnalogDigits(mod,fpList); + SDigitToDigit(module,fpList); - delete pList; - fMapA2->ClearMap(); + fpList->ClearMap(); + fMapA2->ClearMap(); } //______________________________________________________________________ void AliITSsimulationSSD::SDigitiseModule(AliITSmodule *mod,Int_t dummy0, - Int_t dummy1) { - // Produces Summable/Analog digits and writes them to the SDigit tree. - AliITSpList *pList = new AliITSpList(2,GetNStrips()); + Int_t dummy1) { + // Produces Summable/Analog digits and writes them to the SDigit tree. - HitsToAnalogDigits(mod,pList); + dummy0 = dummy1 = 0; // remove unused variable warning + HitsToAnalogDigits(mod,fpList); - WriteSDigits(pList); + WriteSDigits(fpList); - delete pList; + fpList->ClearMap(); fMapA2->ClearMap(); } //______________________________________________________________________ void AliITSsimulationSSD::SDigitToDigit(Int_t module,AliITSpList *pList){ - // Takes the pList and finishes the digitization. - - FillMapFrompList(pList); + // Takes the pList and finishes the digitization. + + // FillMapFrompList(pList); //commented out to avoid double counting of the + //charge - ApplyNoise(pList,module); - ApplyCoupling(pList,module); + ApplyNoise(pList,module); + ApplyCoupling(pList,module); - ChargeToSignal(pList); + ChargeToSignal(pList); } //______________________________________________________________________ void AliITSsimulationSSD::HitsToAnalogDigits(AliITSmodule *mod, - AliITSpList *pList){ + AliITSpList *pList){ // Loops over all hits to produce Analog/floating point digits. This // is also the first task in producing standard digits. - Int_t indexRange[4] = {0,0,0,0}; - static Bool_t first = kTRUE; Int_t lasttrack = -2; Int_t idtrack = -2; Double_t x0=0.0, y0=0.0, z0=0.0; @@ -159,39 +213,39 @@ void AliITSsimulationSSD::HitsToAnalogDigits(AliITSmodule *mod, TObjArray *hits = mod->GetHits(); Int_t nhits = hits->GetEntriesFast(); if (nhits<=0) return; - + AliITSTableSSD * tav = new AliITSTableSSD(GetNStrips()); module = mod->GetIndex(); if ( mod->GetLayer() == 6 ) GetSegmentation()->SetLayer(6); if ( mod->GetLayer() == 5 ) GetSegmentation()->SetLayer(5); - for(Int_t i=0; iGetHit(i)->GetXL() << " "<GetHit(i)->GetYL(); +// cout << " " << mod->GetHit(i)->GetZL(); +// cout << endl; if (mod->LineSegmentL(i, x0, x1, y0, y1, z0, z1, de, idtrack)) { - HitToDigit(module, x0, y0, z0, x1, y1, z1, de, indexRange, first); - + HitToDigit(module, x0, y0, z0, x1, y1, z1, de,tav); if (lasttrack != idtrack || i==(nhits-1)) { - GetList(idtrack,i,module,pList,indexRange); - first=kTRUE; + GetList(idtrack,i,module,pList,tav); } // end if lasttrack=idtrack; } // end if } // end loop over hits + delete tav; tav=0; return; } //---------------------------------------------------------------------- void AliITSsimulationSSD::HitToDigit(Int_t module, Double_t x0, Double_t y0, - Double_t z0, Double_t x1, Double_t y1, - Double_t z1, Double_t de, - Int_t *indexRange, Bool_t first) { + Double_t z0, Double_t x1, Double_t y1, + Double_t z1, Double_t de, + AliITSTableSSD *tav) { // Turns hits in SSD module into one or more digits. - Float_t tang[2] = {0.0,0.0}; GetSegmentation()->Angles(tang[0], tang[1]);//stereo<<->tan(stereo)~=stereo Double_t x, y, z; - Double_t dex=0.0, dey=0.0, dez=0.0; + Double_t dex=0.0, dey=0.0, dez=0.0; Double_t pairs; // pair generation energy per step. Double_t sigma[2] = {0.,0.};// standard deviation of the diffusion gaussian Double_t tdrift[2] = {0.,0.}; // time of drift @@ -201,23 +255,21 @@ void AliITSsimulationSSD::HitToDigit(Int_t module, Double_t x0, Double_t y0, // Steps in the module are determined "manually" (i.e. No Geant) // NumOfSteps divide path between entering and exiting hits in steps Int_t numOfSteps = NumOfSteps(x1, y1, z1, dex, dey, dez); - // Enery loss is equally distributed among steps de = de/numOfSteps; pairs = de/GetIonizeE(); // e-h pairs generated - for(Int_t j=0; j (GetSegmentation()->Dy()/2+10)*1.0E-4 ) { // check if particle is within the detector - cout<<"AliITSsimulationSSD::HitToDigit: Warning: hit " - "out of detector y0,y,dey,j =" - <Dy()*1.0E-4)/2)/GetDriftVelocity(0); @@ -228,6 +280,7 @@ void AliITSsimulationSSD::HitToDigit(Int_t module, Double_t x0, Double_t y0, tang[k]=TMath::Tan(tang[k]); // w is the coord. perpendicular to the strips + /* if(k==0) { w = (x+(GetSegmentation()->Dx()*1.0E-4)/2) - (z+(GetSegmentation()->Dz()*1.0E-4)/2)*tang[k]; @@ -236,16 +289,19 @@ void AliITSsimulationSSD::HitToDigit(Int_t module, Double_t x0, Double_t y0, (z-(GetSegmentation()->Dz()*1.0E-4)/2)*tang[k]; } // end if w /= (GetStripPitch()*1.0E-4); // w is converted in units of pitch + */ + { // replacement block for the above. + Float_t xp=x*1.e+4,zp=z*1.e+4; // microns + GetSegmentation()->GetPadTxz(xp,zp); + if(k==0) w = xp; // P side strip number + else w = zp; // N side strip number + } // end test block if((w<(-0.5)) || (w>(GetNStrips()-0.5))) { // this check rejects hits in regions not covered by strips // 0.5 takes into account boundaries - if(k==0) cout<<"AliITSsimulationSSD::HitToDigit: " - "Warning: no strip in this region of P side" - <GetNoiseParam(a,b); // retrieves noise parameters - noiseP[0] = (Double_t) a; noiseP[1] = (Double_t) b; - for(k=0;k<2;k++){ // both sides (0=Pside, 1=Nside) + // Apply Noise. + Int_t k,ix; + Double_t signal,noise; + Double_t noiseP[2] = {0.,0.}; + Float_t a,b; + + fResponse->GetNoiseParam(a,b); // retrieves noise parameters + noiseP[0] = (Double_t) a; noiseP[1] = (Double_t) b; + for(k=0;k<2;k++){ // both sides (0=Pside, 1=Nside) for(ix=0;ixGaus(0,noiseP[k]);// get noise to signal signal = noise + fMapA2->GetSignal(k,ix);//get signal from map @@ -288,20 +341,20 @@ void AliITSsimulationSSD::ApplyNoise(AliITSpList *pList,Int_t module){ fMapA2->SetHit(k,ix,signal); // give back signal to map if(signal>0.0) pList->AddNoise(k,ix,module,noise); } // loop over strip - } // loop over k (P or N side) + } // loop over k (P or N side) } //______________________________________________________________________ void AliITSsimulationSSD::ApplyCoupling(AliITSpList *pList,Int_t module) { - // Apply the effect of electronic coupling between channels - Int_t ix; - Double_t signalLeft=0, signalRight=0,signal=0; + // Apply the effect of electronic coupling between channels + Int_t ix; + Double_t signalLeft=0, signalRight=0,signal=0; - for(ix=0;ix0.)signalLeft = fMapA2->GetSignal(0,ix-1)*fDCS->GetCouplingPL(); else signalLeft = 0.0; if(ix<(GetNStrips()-1)) signalRight = fMapA2->GetSignal(0,ix+1)* - fDCS->GetCouplingPR(); + fDCS->GetCouplingPR(); else signalRight = 0.0; signal = signalLeft + signalRight; fMapA2->AddSignal(0,ix,signal); @@ -312,174 +365,164 @@ void AliITSsimulationSSD::ApplyCoupling(AliITSpList *pList,Int_t module) { if(ix>0.) signalLeft = fMapA2->GetSignal(1,ix-1)*fDCS->GetCouplingNL(); else signalLeft = 0.0; if(ix<(GetNStrips()-1)) signalRight = fMapA2->GetSignal(1,ix+1)* - fDCS->GetCouplingNR(); + fDCS->GetCouplingNR(); else signalRight = 0.0; signal = signalLeft + signalRight; fMapA2->AddSignal(1,ix,signal); if(signal>0.0) pList->AddNoise(1,ix,module,signal); - } // loop over strips + } // loop over strips } //______________________________________________________________________ Float_t AliITSsimulationSSD::F(Float_t av, Float_t x, Float_t s) { - // Computes the integral of a gaussian using Error Function - Float_t sqrt2 = TMath::Sqrt(2.0); - Float_t sigm2 = sqrt2*s; - Float_t integral; + // Computes the integral of a gaussian using Error Function + Float_t sqrt2 = TMath::Sqrt(2.0); + Float_t sigm2 = sqrt2*s; + Float_t integral; - integral = 0.5 * TMath::Erf( (x - av) / sigm2); - return integral; + integral = 0.5 * TMath::Erf( (x - av) / sigm2); + return integral; } //______________________________________________________________________ void AliITSsimulationSSD::IntegrateGaussian(Int_t k,Double_t par, Double_t w, - Double_t sigma, - Double_t inf, Double_t sup, - Int_t *indexRange, Bool_t first) { - // integrate the diffusion gaussian - // remind: inf and sup are w-3sigma and w+3sigma - // we could define them here instead of passing them - // this way we are free to introduce asimmetry - - Double_t a=0.0, b=0.0; - Double_t dXCharge1 = 0.0, dXCharge2 = 0.0; - // dXCharge1 and 2 are the charge to two neighbouring strips - // Watch that we only involve at least two strips - // Numbers greater than 2 of strips in a cluster depend on - // geometry of the track and delta rays, not charge diffusion! + Double_t sigma, + Double_t inf, Double_t sup, + AliITSTableSSD *tav) { + // integrate the diffusion gaussian + // remind: inf and sup are w-3sigma and w+3sigma + // we could define them here instead of passing them + // this way we are free to introduce asimmetry + + Double_t a=0.0, b=0.0; + Double_t dXCharge1 = 0.0, dXCharge2 = 0.0; + // dXCharge1 and 2 are the charge to two neighbouring strips + // Watch that we only involve at least two strips + // Numbers greater than 2 of strips in a cluster depend on + // geometry of the track and delta rays, not charge diffusion! - Double_t strip = TMath::Floor(w); // clostest strip on the left - - if ( TMath::Abs((strip - w)) < 0.5) { - // gaussian mean is closer to strip on the left - a = inf; // integration starting point - if((strip+0.5)<=sup) { - // this means that the tail of the gaussian goes beyond - // the middle point between strips ---> part of the signal - // is given to the strip on the right - b = strip + 0.5; // integration stopping point - dXCharge1 = F( w, b, sigma) - F(w, a, sigma); - dXCharge2 = F( w, sup, sigma) - F(w ,b, sigma); - }else { - // this means that all the charge is given to the strip on the left - b = sup; - dXCharge1 = 0.9973; // gaussian integral at 3 sigmas - dXCharge2 = 0.0; - } // end if - - dXCharge1 = par * dXCharge1;// normalize by mean of number of carriers - dXCharge2 = par * dXCharge2; - - // for the time being, signal is the charge - // in ChargeToSignal signal is converted in ADC channel - fMapA2->AddSignal(k,(Int_t)strip,dXCharge1); - if(((Int_t) strip) < (GetNStrips()-1)) { - // strip doesn't have to be the last (remind: last=GetNStrips()-1) - // otherwise part of the charge is lost - fMapA2->AddSignal(k,((Int_t)strip+1),dXCharge2); - } // end if - - if(dXCharge1 > 1.) { - if (first) { - indexRange[k*2+0] = indexRange[k*2+1]=(Int_t) strip; - first=kFALSE; - } // end if first - - indexRange[k*2+0]=TMath::Min(indexRange[k*2+0],(Int_t) strip); - indexRange[k*2+1]=TMath::Max(indexRange[k*2+1],(Int_t) strip); - } // dXCharge > 1 e- - - }else{ - // gaussian mean is closer to strip on the right - strip++; // move to strip on the rigth - b = sup; // now you know where to stop integrating - if((strip-0.5)>=inf) { - // tail of diffusion gaussian on the left goes left of - // middle point between strips - a = strip - 0.5; // integration starting point - dXCharge1 = F(w, b, sigma) - F(w, a, sigma); - dXCharge2 = F(w, a, sigma) - F(w, inf, sigma); - }else { - a = inf; - dXCharge1 = 0.9973; // gaussian integral at 3 sigmas - dXCharge2 = 0.0; - } // end if - - dXCharge1 = par * dXCharge1; // normalize by means of carriers - dXCharge2 = par * dXCharge2; - - // for the time being, signal is the charge - // in ChargeToSignal signal is converted in ADC channel - fMapA2->AddSignal(k,(Int_t)strip,dXCharge1); - if(((Int_t) strip) > 0) { - // strip doesn't have to be the first - // otherwise part of the charge is lost - fMapA2->AddSignal(k,((Int_t)strip-1),dXCharge2); - } // end if - - if(dXCharge1 > 1.) { - if (first) { - indexRange[k*2+0]=indexRange[k*2+1]=(Int_t) strip; - first=kFALSE; - } // end if first - - indexRange[k*2+0]=TMath::Min(indexRange[k*2+0],(Int_t) strip); - indexRange[k*2+1]=TMath::Max(indexRange[k*2+1],(Int_t) strip); - } // dXCharge > 1 e- - } // end if + Double_t strip = TMath::Floor(w); // closest strip on the left + + if ( TMath::Abs((strip - w)) < 0.5) { + // gaussian mean is closer to strip on the left + a = inf; // integration starting point + if((strip+0.5)<=sup) { + // this means that the tail of the gaussian goes beyond + // the middle point between strips ---> part of the signal + // is given to the strip on the right + b = strip + 0.5; // integration stopping point + dXCharge1 = F( w, b, sigma) - F(w, a, sigma); + dXCharge2 = F( w, sup, sigma) - F(w ,b, sigma); + }else { + // this means that all the charge is given to the strip on the left + b = sup; + dXCharge1 = 0.9973; // gaussian integral at 3 sigmas + dXCharge2 = 0.0; + } // end if + dXCharge1 = par * dXCharge1;// normalize by mean of number of carriers + dXCharge2 = par * dXCharge2; + + // for the time being, signal is the charge + // in ChargeToSignal signal is converted in ADC channel + fMapA2->AddSignal(k,(Int_t)strip,dXCharge1); + tav->Add(k,(Int_t)strip); + if(((Int_t) strip) < (GetNStrips()-1)) { + // strip doesn't have to be the last (remind: last=GetNStrips()-1) + // otherwise part of the charge is lost + fMapA2->AddSignal(k,((Int_t)strip+1),dXCharge2); + tav->Add(k,((Int_t)(strip+1))); + } // end if + }else{ + // gaussian mean is closer to strip on the right + strip++; // move to strip on the rigth + b = sup; // now you know where to stop integrating + if((strip-0.5)>=inf) { + // tail of diffusion gaussian on the left goes left of + // middle point between strips + a = strip - 0.5; // integration starting point + dXCharge1 = F(w, b, sigma) - F(w, a, sigma); + dXCharge2 = F(w, a, sigma) - F(w, inf, sigma); + }else { + a = inf; + dXCharge1 = 0.9973; // gaussian integral at 3 sigmas + dXCharge2 = 0.0; + } // end if + dXCharge1 = par * dXCharge1; // normalize by means of carriers + dXCharge2 = par * dXCharge2; + // for the time being, signal is the charge + // in ChargeToSignal signal is converted in ADC channel + fMapA2->AddSignal(k,(Int_t)strip,dXCharge1); + tav->Add(k,(Int_t)strip); + if(((Int_t) strip) > 0) { + // strip doesn't have to be the first + // otherwise part of the charge is lost + fMapA2->AddSignal(k,((Int_t)strip-1),dXCharge2); + tav->Add(k,((Int_t)(strip-1))); + } // end if + } // end if } //______________________________________________________________________ Int_t AliITSsimulationSSD::NumOfSteps(Double_t x, Double_t y, Double_t z, - Double_t & dex,Double_t & dey,Double_t & dez){ - // number of steps - // it also returns steps for each coord - //AliITSsegmentationSSD *seg = new AliITSsegmentationSSD(); + Double_t & dex,Double_t & dey,Double_t & dez){ + // number of steps + // it also returns steps for each coord + //AliITSsegmentationSSD *seg = new AliITSsegmentationSSD(); - Double_t step = 25E-4; - //step = (Double_t) seg->GetStepSize(); // step size (cm) - Int_t numOfSteps = (Int_t) (TMath::Sqrt(x*x+y*y+z*z)/step); + Double_t step = 25E-4; + //step = (Double_t) seg->GetStepSize(); // step size (cm) + Int_t numOfSteps = (Int_t) (TMath::Sqrt(x*x+y*y+z*z)/step); - if (numOfSteps < 1) numOfSteps = 1; // one step, at least + if (numOfSteps < 1) numOfSteps = 1; // one step, at least - // we could condition the stepping depending on the incident angle - // of the track - dex = x/numOfSteps; - dey = y/numOfSteps; - dez = z/numOfSteps; + // we could condition the stepping depending on the incident angle + // of the track + dex = x/numOfSteps; + dey = y/numOfSteps; + dez = z/numOfSteps; - return numOfSteps; + return numOfSteps; } //---------------------------------------------------------------------- void AliITSsimulationSSD::GetList(Int_t label,Int_t hit,Int_t mod, - AliITSpList *pList,Int_t *indexRange) { - // loop over nonzero digits - Int_t ix,i; - Double_t signal=0.; - - for(Int_t k=0; k<2; k++) { - for(ix=indexRange[k*2+0];ixGetSignal(k,ix); - if(signal==0.0) continue; - // check the signal magnitude - for(i=0;iGetNSignals(k,ix);i++) - signal -= pList->GetTSignal(k,ix,i); - // compare the new signal with already existing list - pList->AddSignal(k,ix,label,hit,mod,signal); - } // end of loop pixels in x - } // end of loop over pixels in z + AliITSpList *pList,AliITSTableSSD *tav) { + // loop over nonzero digits + Int_t ix,i; + Double_t signal=0.; + + for(Int_t k=0; k<2; k++) { + ix=tav->Use(k); + while(ix>-1){ + signal = fMapA2->GetSignal(k,ix); + if(signal==0.0) { + ix=tav->Use(k); + continue; + } // end if signal==0.0 + // check the signal magnitude + for(i=0;iGetNSignals(k,ix);i++){ + signal -= pList->GetTSignal(k,ix,i); + } // end for i + // compare the new signal with already existing list + if(signal>0)pList->AddSignal(k,ix,label,hit,mod,signal); + ix=tav->Use(k); + } // end of loop on strips + } // end of loop on P/N side + tav->Clear(); } //---------------------------------------------------------------------- void AliITSsimulationSSD::ChargeToSignal(AliITSpList *pList) { - // charge to signal - static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS"); - Float_t threshold = 0.; - Int_t digits[3], tracks[3],hits[3],j1; - Float_t charges[3] = {0.0,0.0,0.0}; - Float_t signal; - Float_t noise[2] = {0.,0.}; - - ((AliITSresponseSSD*)fResponse)->GetNoiseParam(noise[0],noise[1]); - - for(Int_t k=0;k<2;k++){ // both sides (0=Pside, 1=Nside) + // charge to signal + static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS"); + Float_t threshold = 0.; + Int_t size = AliITSdigitSSD::GetNTracks(); + Int_t * digits = new Int_t[size]; + Int_t * tracks = new Int_t[size]; + Int_t * hits = new Int_t[size]; + Int_t j1; + Float_t charges[3] = {0.0,0.0,0.0}; + Float_t signal; + Float_t noise[2] = {0.,0.}; + + ((AliITSresponseSSD*)fResponse)->GetNoiseParam(noise[0],noise[1]); + + for(Int_t k=0;k<2;k++){ // both sides (0=Pside, 1=Nside) // Threshold for zero-suppression // It can be defined in AliITSresponseSSD // threshold = (Float_t)fResponse->MinVal(k); @@ -487,81 +530,93 @@ void AliITSsimulationSSD::ChargeToSignal(AliITSpList *pList) { // at the scope, and considering noise standard deviation threshold = 4.0*noise[k]; // 4 times noise is a choice for(Int_t ix=0;ixGetSignal(k,ix) <= threshold) continue; + if(fMapA2->GetSignal(k,ix) <= threshold)continue; // convert to ADC signal signal = ((AliITSresponseSSD*)fResponse)->DEvToADC( - fMapA2->GetSignal(k,ix)); + fMapA2->GetSignal(k,ix)); if(signal>1024.) signal = 1024.;//if exceeding, accumulate last one digits[0] = k; digits[1] = ix; digits[2] = (Int_t) signal; - for(j1=0;j1<3;j1++){ // only three in digit. + for(j1=0;j1GetNEnteries()){ + // only three in digit. tracks[j1] = pList->GetTrack(k,ix,j1); hits[j1] = pList->GetHit(k,ix,j1); + }else{ + tracks[j1] = -3; + hits[j1] = -1; } // end for j1 // finally add digit aliITS->AddSimDigit(2,0,digits,tracks,hits,charges); } // end for ix - } // end for k + } // end for k + delete [] digits; + delete [] tracks; + delete [] hits; } //______________________________________________________________________ void AliITSsimulationSSD::WriteSDigits(AliITSpList *pList){ - // Fills the Summable digits Tree - Int_t i,ni,j,nj; - static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS"); - - pList->GetMaxMapIndex(ni,nj); - for(i=0;iGetSignalOnly(i,j)>0.0){ - aliITS->AddSumDigit(*(pList->GetpListItem(i,j))); + // Fills the Summable digits Tree + Int_t i,ni,j,nj; + static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS"); + + pList->GetMaxMapIndex(ni,nj); + for(i=0;iGetSignalOnly(i,j)>0.0){ + aliITS->AddSumDigit(*(pList->GetpListItem(i,j))); // cout << "pListSSD: " << *(pList->GetpListItem(i,j)) << endl; - } // end if - } // end for i,j - return; + } // end if + } // end for i,j + return; } //______________________________________________________________________ void AliITSsimulationSSD::FillMapFrompList(AliITSpList *pList){ - // Fills fMap2A from the pList of Summable digits - Int_t k,ix; + // Fills fMap2A from the pList of Summable digits + Int_t k,ix; - for(k=0;k<2;k++)for(ix=0;ixAddSignal(k,ix,pList->GetSignal(k,ix)); - return; + return; } //______________________________________________________________________ void AliITSsimulationSSD::Print(ostream *os){ - //Standard output format for this class - - //AliITSsimulation::Print(os); - *os << fIonE <<","; - *os << fDifConst[0] <<","<< fDifConst[1] <<","; - *os << fDriftVel[0] <<","<< fDriftVel[1]; - //*os <<","; fDCS->Print(os); - //*os <<","; fMapA2->Print(os); + //Standard output format for this class + + //AliITSsimulation::Print(os); + *os << fIonE <<","; + *os << fDifConst[0] <<","<< fDifConst[1] <<","; + *os << fDriftVel[0] <<","<< fDriftVel[1]; + //*os <<","; fDCS->Print(os); + //*os <<","; fMapA2->Print(os); } //______________________________________________________________________ void AliITSsimulationSSD::Read(istream *is){ - // Standard output streaming function. - - //AliITSsimulation::Read(is); - *is >> fIonE; - *is >> fDifConst[0] >> fDifConst[1]; - *is >> fDriftVel[0] >> fDriftVel[1]; - //fDCS->Read(is); - //fMapA2->Read(is); + // Standard output streaming function. + + //AliITSsimulation::Read(is); + *is >> fIonE; + *is >> fDifConst[0] >> fDifConst[1]; + *is >> fDriftVel[0] >> fDriftVel[1]; + //fDCS->Read(is); + //fMapA2->Read(is); } //______________________________________________________________________ ostream &operator<<(ostream &os,AliITSsimulationSSD &source){ - // Standard output streaming function. + // Standard output streaming function. - source.Print(&os); - return os; + source.Print(&os); + return os; } //______________________________________________________________________ istream &operator>>(istream &os,AliITSsimulationSSD &source){ - // Standard output streaming function. + // Standard output streaming function. - source.Read(&os); - return os; + source.Read(&os); + return os; } //______________________________________________________________________ + + + + +