#include <Riostream.h>
#include <stdlib.h>
#include <stdio.h>
-#include <string.h>
+#include <cstring>
#include <TCanvas.h>
#include <TF1.h>
#include "AliITSdigitSPD.h"
#include "AliITSetfSDD.h"
#include "AliITSmodule.h"
+#include "AliITShit.h"
#include "AliITSpList.h"
-#include "AliITSresponseSDD.h"
#include "AliITSCalibrationSDD.h"
-#include "AliITSsegmentationSDD.h"
+#include "AliITSresponseSDD.h"
#include "AliITSsimulationSDD.h"
#include "AliLog.h"
#include "AliRun.h"
fMaxNofSamples(0),
fScaleSize(0){
// Default constructor
- SetScaleFourier();
SetPerpendTracksFlag();
SetCrosstalkFlag();
SetDoFFT();
void AliITSsimulationSDD::Init(){
// Standard Constructor
- SetScaleFourier();
+ AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
+ fScaleSize = ScaleFourier(seg);
SetPerpendTracksFlag();
SetCrosstalkFlag();
SetDoFFT();
- AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
-
- AliITSresponseSDD* res = (AliITSresponseSDD*)fDetType->GetResponse(1);
+ AliITSSimuParam* simpar = fDetType->GetSimuParam();
fpList = new AliITSpList( seg->Npz(),
fScaleSize*seg->Npx() );
fHitSigMap2 = new AliITSMapA2(seg,fScaleSize,1);
Double_t timeStep = (Double_t)seg->Dpx(0);
if(anodePitch*(fNofMaps/2) > sddWidth) {
- Warning("AliITSsimulationSDD",
- "Too many anodes %d or too big pitch %f \n",
- fNofMaps/2,anodePitch);
+ AliWarning(Form("Too many anodes %d or too big pitch %f ",
+ fNofMaps/2,anodePitch));
} // end if
fElectronics = new AliITSetfSDD(timeStep/fScaleSize,
- res->Electronics());
+ simpar->GetSDDElectronics());
- char opt1[20], opt2[20];
- res->ParamOptions(opt1,opt2);
fITS = (AliITS*)gAlice->GetModule("ITS");
m /= 2;
m2 += m2;
} // end for i
-
for(j=0; j<samples; j++) {
Int_t j1 = j;
Int_t p = 0;
Bool_t AliITSsimulationSDD::AddSDigitsToModule(TClonesArray *pItemArray,
Int_t mask ) {
// Add Summable digits to module maps.
- AliITSresponseSDD* res = (AliITSresponseSDD*)fDetType->GetResponse(1);
+ AliITSSimuParam* simpar = fDetType->GetSimuParam();
Int_t nItems = pItemArray->GetEntries();
- Double_t maxadc = res->MaxAdc();
+ Double_t maxadc = simpar->GetSDDMaxAdc();
Bool_t sig = kFALSE;
// cout << "Adding "<< nItems <<" SDigits to module " << fModule << endl;
if( fCrosstalkFlag ) ApplyCrosstalk(fModule);
AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
- const char *kopt = res->GetZeroSuppOption();
- if (strstr(kopt,"ZS")) Compress2D();
+ Bool_t isZeroSupp = res->GetZeroSupp();
+ if (isZeroSupp) Compress2D();
else StoreAllDigits();
}
//______________________________________________________________________
// create maps to build the lists of tracks for each digit
AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
+ AliITSSimuParam* simpar = fDetType->GetSimuParam();
TObjArray *hits = mod->GetHits();
- Int_t nhits = hits->GetEntriesFast();
-
- // Int_t arg[6] = {0,0,0,0,0,0};
- Int_t nofAnodes = fNofMaps/2;
- Double_t sddLength = seg->Dx();
- Double_t sddWidth = seg->Dz();
- Double_t anodePitch = seg->Dpz(0);
- Double_t timeStep = seg->Dpx(0);
- Double_t driftSpeed ; // drift velocity (anode dependent)
- //Float_t maxadc = res->GetMaxAdc();
- //Float_t topValue = res->GetDynamicRange();
- Double_t norm = res->GetMaxAdc()/res->GetDynamicRange(); // maxadc/topValue;
- Double_t cHloss = res->GetChargeLoss();
- Float_t dfCoeff, s1; res->DiffCoeff(dfCoeff,s1); // Signal 2d Shape
- Double_t eVpairs = res->GetGeVToCharge()*1.0E9; // 3.6 eV by def.
- Double_t nsigma = res->GetNSigmaIntegration(); //
- Int_t nlookups = res->GetGausNLookUp(); //
- Float_t jitter = res->GetJitterError(); //
-
- // Piergiorgio's part (apart for few variables which I made float
- // when i thought that can be done
- // Fill detector maps with GEANT hits
- // loop over hits in the module
-
- const Float_t kconv = 1.0e+6; // GeV->KeV
- Int_t itrack = 0;
- Int_t iWing; // which detector wing/side.
- Int_t ii,kk,ka,kt; // loop indexs
- Int_t ia,it,index; // sub-pixel integration indexies
- Int_t iAnode; // anode number.
- Int_t timeSample; // time buckett.
- Int_t anodeWindow; // anode direction charge integration width
- Int_t timeWindow; // time direction charge integration width
- Int_t jamin,jamax; // anode charge integration window
- Int_t jtmin,jtmax; // time charge integration window
- Int_t ndiv; // Anode window division factor.
- Int_t nsplit; // the number of splits in anode and time windows==1.
- Int_t nOfSplits; // number of times track length is split into
- Float_t nOfSplitsF; // Floating point version of nOfSplits.
- Float_t kkF; // Floating point version of loop index kk.
- Double_t pathInSDD; // Track length in SDD.
- Double_t drPath; // average position of track in detector. in microns
- Double_t drTime; // Drift time
- Double_t nmul; // drift time window multiplication factor.
- Double_t avDrft; // x position of path length segment in cm.
- Double_t avAnode; // Anode for path length segment in Anode number (float)
- Double_t zAnode; // Floating point anode number.
- Double_t driftPath; // avDrft in microns.
- Double_t width; // width of signal at anodes.
- Double_t depEnergy; // Energy deposited in this GEANT step.
- Double_t xL[3],dxL[3]; // local hit coordinates and diff.
- Double_t sigA; // sigma of signal at anode.
- Double_t sigT; // sigma in time/drift direction for track segment
- Double_t aStep,aConst; // sub-pixel size and offset anode
- Double_t tStep,tConst; // sub-pixel size and offset time
- Double_t amplitude; // signal amplitude for track segment in nanoAmpere
- Double_t chargeloss; // charge loss for track segment.
- Double_t anodeAmplitude; // signal amplitude in anode direction
- Double_t aExpo; // exponent of Gaussian anode direction
- Double_t timeAmplitude; // signal amplitude in time direction
- Double_t tExpo; // exponent of Gaussian time direction
- // Double_t tof; // Time of flight in ns of this step.
-
- for(ii=0; ii<nhits; ii++) {
- if(!mod->LineSegmentL(ii,xL[0],dxL[0],xL[1],dxL[1],xL[2],dxL[2],
- depEnergy,itrack)) continue;
- Float_t xloc=xL[0];
- if(xloc>0) iWing=0; // left side, carlos channel 0
- else iWing=1; // right side
-
- Float_t zloc=xL[2]+0.5*dxL[2];
- zAnode=seg->GetAnodeFromLocal(xloc,zloc); // anode number in the range 0.-511.
- driftSpeed = res->GetDriftSpeedAtAnode(zAnode);
- if(timeStep*fMaxNofSamples < sddLength/driftSpeed) {
- AliWarning("Time Interval > Allowed Time Interval\n");
- }
- depEnergy *= kconv;
-
- // scale path to simulate a perpendicular track
+ Int_t nhits = hits->GetEntriesFast();
+
+ // Int_t arg[6] = {0,0,0,0,0,0};
+ Int_t nofAnodes = fNofMaps/2;
+ Double_t sddLength = seg->Dx();
+ Double_t anodePitch = seg->Dpz(0);
+ Double_t timeStep = seg->Dpx(0);
+ Double_t driftSpeed ; // drift velocity (anode dependent)
+ Double_t nanoampToADC = simpar->GetSDDMaxAdc()/simpar->GetSDDDynamicRange(); // maxadc/topValue;
+ Double_t cHloss = simpar->GetSDDChargeLoss();
+ Float_t dfCoeff, s1;
+ simpar->GetSDDDiffCoeff(dfCoeff,s1); // Signal 2d Shape
+ Double_t eVpairs = simpar->GetGeVToCharge()*1.0E9; // 3.6 eV by def.
+ Double_t nsigma = simpar->GetNSigmaIntegration(); //
+ Int_t nlookups = simpar->GetGausNLookUp(); //
+ Float_t jitter = simpar->GetSDDJitterError(); //
+ Float_t trigDelay = simpar->GetSDDTrigDelay(); // compensation for MC time zero
+ if(res->IsAMAt20MHz()) trigDelay+=12.5; // compensation for discretization step
+ Float_t timeZero=fDetType->GetResponseSDD()->GetTimeZero(fModule);
+
+ // Piergiorgio's part (apart for few variables which I made float
+ // when i thought that can be done
+ // Fill detector maps with GEANT hits
+ // loop over hits in the module
+
+ const Float_t kconv = 1.0e+6; // GeV->KeV
+ Int_t itrack = 0;
+ Int_t iWing; // which detector wing/side.
+ Int_t ii,kk,ka,kt; // loop indexs
+ Int_t ia,it,index; // sub-pixel integration indexies
+ Int_t iAnode; // anode number.
+ Int_t timeSample; // time buckett.
+ Int_t anodeWindow; // anode direction charge integration width
+ Int_t timeWindow; // time direction charge integration width
+ Int_t jamin,jamax; // anode charge integration window
+ Int_t jtmin,jtmax; // time charge integration window
+ Int_t nsplitAn; // the number of splits in anode and time windows
+ Int_t nsplitTb; // the number of splits in anode and time windows
+ Int_t nOfSplits; // number of times track length is split into
+ Float_t nOfSplitsF; // Floating point version of nOfSplits.
+ Float_t kkF; // Floating point version of loop index kk.
+ Double_t pathInSDD; // Track length in SDD.
+ Double_t drPath; // average position of track in detector. in microns
+ Double_t drTime; // Drift time
+ Double_t avDrft; // x position of path length segment in cm.
+ Double_t avAnode; // Anode for path length segment in Anode number (float)
+ Double_t zAnode; // Floating point anode number.
+ Double_t driftPath; // avDrft in microns.
+ Double_t width; // width of signal at anodes.
+ Double_t depEnergy; // Energy deposited in this GEANT step.
+ Double_t xL[3],dxL[3]; // local hit coordinates and diff.
+ Double_t sigA; // sigma of signal at anode.
+ Double_t sigT; // sigma in time/drift direction for track segment
+ Double_t aStep,aConst; // sub-pixel size and offset anode
+ Double_t tStep,tConst; // sub-pixel size and offset time
+ Double_t amplitude; // signal amplitude for track segment in nanoAmpere
+ Double_t chargeloss; // charge loss for track segment.
+ Double_t anodeAmplitude; // signal amplitude in anode direction
+ Double_t aExpo; // exponent of Gaussian anode direction
+ Double_t timeAmplitude; // signal amplitude in time direction
+ Double_t tExpo; // exponent of Gaussian time direction
+ Double_t tof; // Time of flight in ns of this step.
+
+ for(ii=0; ii<nhits; ii++) {
+ if(!mod->LineSegmentL(ii,xL[0],dxL[0],xL[1],dxL[1],xL[2],dxL[2],
+ depEnergy,itrack)) continue;
+ Float_t xloc=xL[0];
+ if(xloc>0) iWing=0; // left side, carlos channel 0
+ else iWing=1; // right side
+
+ Float_t zloc=xL[2]+0.5*dxL[2];
+ zAnode=seg->GetAnodeFromLocal(xloc,zloc); // anode number in the range 0.-511.
+ driftSpeed = res->GetDriftSpeedAtAnode(zAnode);
+ if(timeStep*fMaxNofSamples < sddLength/driftSpeed) {
+ AliWarning("Time Interval > Allowed Time Interval");
+ }
+ depEnergy *= kconv;
+ if (!depEnergy) {
+ AliDebug(1,
+ Form("fTrack = %d hit=%d module=%d This particle has passed without losing energy!",
+ itrack,ii,mod->GetIndex()));
+ continue;
// continue if the particle did not lose energy
// passing through detector
- if (!depEnergy) {
- AliDebug(1,
- Form("fTrack = %d hit=%d module=%d This particle has passed without losing energy!",
- itrack,ii,mod->GetIndex()));
- continue;
- } // end if !depEnergy
-
- xL[0] += 0.0001*gRandom->Gaus( 0, jitter ); //
- pathInSDD = TMath::Sqrt(dxL[0]*dxL[0]+dxL[1]*dxL[1]+dxL[2]*dxL[2]);
+ } // end if !depEnergy
+
+ tof=0.;
+ AliITShit* h=(AliITShit*)hits->At(ii);
+ if(h){
+ tof=h->GetTOF()*1E9;
+ AliDebug(1,Form("TOF for hit %d on mod %d (particle %d)=%g",ii,fModule,h->Track(),tof));
+ }
- if (fFlag && pathInSDD) { depEnergy *= (0.03/pathInSDD); }
- drPath = TMath::Abs(10000.*(dxL[0]+2.*xL[0])*0.5);
- drPath = sddLength-drPath;
- if(drPath < 0) {
+ xL[0] += 0.0001*gRandom->Gaus( 0, jitter ); //
+ pathInSDD = TMath::Sqrt(dxL[0]*dxL[0]+dxL[1]*dxL[1]+dxL[2]*dxL[2]);
+
+ if (fFlag && pathInSDD) { depEnergy *= (0.03/pathInSDD); }
+ drPath = TMath::Abs(10000.*(dxL[0]+2.*xL[0])*0.5);
+ drPath = sddLength-drPath;
+ if(drPath < 0) {
+ AliDebug(1, // this should be fixed at geometry level
+ Form("negative drift path drPath=%e sddLength=%e dxL[0]=%e xL[0]=%e",
+ drPath,sddLength,dxL[0],xL[0]));
+ continue;
+ } // end if drPath < 0
+
+ // Compute number of segments to brake step path into
+ drTime = drPath/driftSpeed; // Drift Time
+ sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);// Sigma along the anodes
+ // calcuate the number of time the path length should be split into.
+ nOfSplits = (Int_t) (1. + 10000.*pathInSDD/sigA);
+ if(fFlag) nOfSplits = 1;
+
+ // loop over path segments, init. some variables.
+ depEnergy /= nOfSplits;
+ nOfSplitsF = (Float_t) nOfSplits;
+ Float_t theAverage=0.,theSteps=0.;
+ for(kk=0;kk<nOfSplits;kk++) { // loop over path segments
+ kkF = (Float_t) kk + 0.5;
+ avDrft = xL[0]+dxL[0]*kkF/nOfSplitsF;
+ avAnode = xL[2]+dxL[2]*kkF/nOfSplitsF;
+ theSteps+=1.;
+ theAverage+=avAnode;
+ zAnode = seg->GetAnodeFromLocal(avDrft,avAnode);
+ driftSpeed = res->GetDriftSpeedAtAnode(zAnode);
+ driftPath = TMath::Abs(10000.*avDrft);
+ driftPath = sddLength-driftPath;
+ if(driftPath < 0) {
AliDebug(1, // this should be fixed at geometry level
- Form("negative drift path drPath=%e sddLength=%e dxL[0]=%e xL[0]=%e",
- drPath,sddLength,dxL[0],xL[0]));
+ Form("negative drift path driftPath=%e sddLength=%e avDrft=%e dxL[0]=%e xL[0]=%e",
+ driftPath,sddLength,avDrft,dxL[0],xL[0]));
continue;
- } // end if drPath < 0
-
- // Compute number of segments to brake step path into
- drTime = drPath/driftSpeed; // Drift Time
- sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);// Sigma along the anodes
- // calcuate the number of time the path length should be split into.
- nOfSplits = (Int_t) (1. + 10000.*pathInSDD/sigA);
- if(fFlag) nOfSplits = 1;
+ } // end if driftPath < 0
+ drTime = driftPath/driftSpeed; // drift time for segment.
+ // Sigma along the anodes for track segment.
+ sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);
+ sigT = sigA/driftSpeed;
+
+ drTime+=tof; // take into account Time Of Flight from production point
+ drTime-=trigDelay;
+ drTime+=timeZero;
+ timeSample = (Int_t) (fScaleSize*drTime/timeStep + 1.001); // time bin in range 1-256 !!!
+ if(zAnode>nofAnodes) zAnode-=nofAnodes; // to have the anode number between 0. and 256.
+ iAnode = (Int_t) (1.001+zAnode); // iAnode in range 1-256 !!!!
- // loop over path segments, init. some variables.
- depEnergy /= nOfSplits;
- nOfSplitsF = (Float_t) nOfSplits;
- Float_t theAverage=0.,theSteps=0.;
- for(kk=0;kk<nOfSplits;kk++) { // loop over path segments
- kkF = (Float_t) kk + 0.5;
- avDrft = xL[0]+dxL[0]*kkF/nOfSplitsF;
- avAnode = xL[2]+dxL[2]*kkF/nOfSplitsF;
- theSteps+=1.;
- theAverage+=avAnode;
- zAnode = seg->GetAnodeFromLocal(avDrft,avAnode);
- driftSpeed = res->GetDriftSpeedAtAnode(zAnode);
- driftPath = TMath::Abs(10000.*avDrft);
- driftPath = sddLength-driftPath;
- if(driftPath < 0) {
- AliDebug(1, // this should be fixed at geometry level
- Form("negative drift path driftPath=%e sddLength=%e avDrft=%e dxL[0]=%e xL[0]=%e",
- driftPath,sddLength,avDrft,dxL[0],xL[0]));
- continue;
- } // end if driftPath < 0
- drTime = driftPath/driftSpeed; // drift time for segment.
- timeSample = (Int_t) (fScaleSize*drTime/timeStep + 1); // time bin in range 1-256 !!!
- if(timeSample > fScaleSize*fMaxNofSamples) {
- AliWarning(Form("Wrong Time Sample: %e",timeSample));
- continue;
- } // end if timeSample > fScaleSize*fMaxNoofSamples
-
- if(zAnode>nofAnodes) zAnode-=nofAnodes; // to have the anode number between 0. and 256.
- if(zAnode*anodePitch > sddWidth || zAnode*anodePitch < 0.)
- AliWarning(Form("Exceeding sddWidth=%e Z = %e",sddWidth,zAnode*anodePitch));
- iAnode = (Int_t) (1.+zAnode); // iAnode in range 1-256 !!!!
- if(iAnode < 1 || iAnode > nofAnodes) {
- AliWarning(Form("Wrong iAnode: 1<%d>%d (xanode=%e)",iAnode,nofAnodes, zAnode));
- continue;
- } // end if iAnode < 1 || iAnode > nofAnodes
-
- // store straight away the particle position in the array
- // of particles and take idhit=ii only when part is entering (this
- // requires FillModules() in the macro for analysis) :
-
- // Sigma along the anodes for track segment.
- sigA = TMath::Sqrt(2.*dfCoeff*drTime+s1*s1);
- sigT = sigA/driftSpeed;
// Peak amplitude in nanoAmpere
- amplitude = fScaleSize*160.*depEnergy/
- (timeStep*eVpairs*2.*acos(-1.)*sigT*sigA);
- amplitude *= timeStep/25.; // WARNING!!!!! Amplitude scaling to
- // account for clock variations
- // (reference value: 40 MHz)
- chargeloss = 1.-cHloss*driftPath/1000.;
- amplitude *= chargeloss;
- width = 2.*nsigma/(nlookups-1);
- // Spread the charge
- // Pixel index
- ndiv = 2;
- nmul = 3.;
- if(drTime > 1200.) {
- ndiv = 4;
- nmul = 1.5;
- } // end if drTime > 1200.
- // Sub-pixel index
- nsplit = 4; // hard-wired //nsplit=4;nsplit = (nsplit+1)/2*2;
- // Sub-pixel size see computation of aExpo and tExpo.
- aStep = anodePitch/(nsplit*fScaleSize*sigA);
- aConst = zAnode*anodePitch/sigA;
- tStep = timeStep/(nsplit*fScaleSize*sigT);
- tConst = drTime/sigT;
- // Define SDD window corresponding to the hit
- anodeWindow = (Int_t)(fScaleSize*nsigma*sigA/anodePitch+1);
- timeWindow = (Int_t) (fScaleSize*nsigma*sigT/timeStep+1.);
- jamin = (iAnode - anodeWindow/ndiv - 2)*fScaleSize*nsplit +1;
- jamax = (iAnode + anodeWindow/ndiv + 1)*fScaleSize*nsplit;
- if(jamin <= 0) jamin = 1;
- if(jamax > fScaleSize*nofAnodes*nsplit)
- jamax = fScaleSize*nofAnodes*nsplit;
- // jtmin and jtmax are Hard-wired
- jtmin = (Int_t)(timeSample-timeWindow*nmul-1)*nsplit+1;
- jtmax = (Int_t)(timeSample+timeWindow*nmul)*nsplit;
- if(jtmin <= 0) jtmin = 1;
- if(jtmax > fScaleSize*fMaxNofSamples*nsplit)
- jtmax = fScaleSize*fMaxNofSamples*nsplit;
- // Spread the charge in the anode-time window
- for(ka=jamin; ka <=jamax; ka++) {
- ia = (ka-1)/(fScaleSize*nsplit) + 1;
- if(ia <= 0) {
- Warning("HitsToAnalogDigits","ia < 1: ");
- continue;
- } // end if
- if(ia > nofAnodes) ia = nofAnodes;
- aExpo = (aStep*(ka-0.5)-aConst);
- if(TMath::Abs(aExpo) > nsigma) anodeAmplitude = 0.;
- else {
- Int_t theBin = (Int_t) ((aExpo+nsigma)/width+0.5);
- anodeAmplitude = amplitude*res->GetGausLookUp(theBin);
- } // end if TMath::Abs(aEspo) > nsigma
- // index starts from 0
- index = iWing*nofAnodes+ia-1;
- if(anodeAmplitude){
- for(kt=jtmin; kt<=jtmax; kt++) {
- it = (kt-1)/nsplit+1; // it starts from 1
- if(it<=0){
- Warning("HitsToAnalogDigits","it < 1:");
- continue;
- } // end if
- if(it>fScaleSize*fMaxNofSamples)
- it = fScaleSize*fMaxNofSamples;
- tExpo = (tStep*(kt-0.5)-tConst);
- if(TMath::Abs(tExpo) > nsigma) timeAmplitude = 0.;
- else {
- Int_t theBin = (Int_t) ((tExpo+nsigma)/width+0.5);
- timeAmplitude = anodeAmplitude*res->GetGausLookUp(theBin);
- } // end if TMath::Abs(tExpo) > nsigma
- // build the list of Sdigits for this module
- // arg[0] = index;
- // arg[1] = it;
- // arg[2] = itrack; // track number
- // arg[3] = ii-1; // hit number.
- timeAmplitude *= norm;
- timeAmplitude *= 10;
- // ListOfFiredCells(arg,timeAmplitude,alst,padr);
- Double_t charge = timeAmplitude;
- charge += fHitMap2->GetSignal(index,it-1);
- fHitMap2->SetHit(index, it-1, charge);
- fpList->AddSignal(index,it-1,itrack,ii-1,
- mod->GetIndex(),timeAmplitude);
- fAnodeFire[index] = kTRUE;
- } // end loop over time in window
- } // end if anodeAmplitude
- } // loop over anodes in window
- } // end loop over "sub-hits"
- } // end loop over hits
+ amplitude = fScaleSize*160.*depEnergy/
+ (timeStep*eVpairs*2.*acos(-1.));
+ chargeloss = 1.-cHloss*driftPath/1000.;
+ amplitude *= chargeloss;
+ width = 2.*nsigma/(nlookups-1);
+ // Spread the charge
+ nsplitAn = 4;
+ nsplitTb=4;
+ aStep = anodePitch/(nsplitAn*sigA);
+ aConst = zAnode*anodePitch/sigA;
+ tStep = timeStep/(nsplitTb*fScaleSize*sigT);
+ tConst = drTime/sigT;
+ // Define SDD window corresponding to the hit
+ anodeWindow = (Int_t)(nsigma*sigA/anodePitch+1);
+ timeWindow = (Int_t) (fScaleSize*nsigma*sigT/timeStep+1.);
+ jamin = (iAnode - anodeWindow - 2)*nsplitAn+1;
+ if(jamin <= 0) jamin = 1;
+ if(jamin > nofAnodes*nsplitAn){
+ AliDebug(1,Form("Energy deposition completely outside anode acceptance: anode min=%d",jamin));
+ continue;
+ }
+ jamax = (iAnode + anodeWindow + 2)*nsplitAn;
+ if(jamax > nofAnodes*nsplitAn) jamax = nofAnodes*nsplitAn;
+ if(jamax <=0){
+ AliDebug(1,Form("Energy deposition completely outside anode acceptance: anode max=%d",jamax));
+ continue;
+ }
+ jtmin = (Int_t)(timeSample-timeWindow-2)*nsplitTb+1;
+ if(jtmin <= 0) jtmin = 1;
+ if(jtmin > fScaleSize*fMaxNofSamples*nsplitTb){
+ AliDebug(1,Form("Energy deposition completely outside time acceptance: time sample min=%d tof=%f",jtmin,tof));
+ continue;
+ }
+ jtmax = (Int_t)(timeSample+timeWindow+2)*nsplitTb;
+ if(jtmax > fScaleSize*fMaxNofSamples*nsplitTb) jtmax = fScaleSize*fMaxNofSamples*nsplitTb;
+ if(jtmax <= 0){
+ AliDebug(1,Form("Energy deposition completely outside time acceptance: time sample max=%d tof=%f",jtmax,tof));
+ continue;
+ }
+
+ // Spread the charge in the anode-time window
+ for(ka=jamin; ka <=jamax; ka++) {
+ ia = (ka-1)/nsplitAn + 1;
+ if(ia <= 0) ia=1;
+ if(ia > nofAnodes) ia = nofAnodes;
+ aExpo = (aStep*(ka-0.5)-aConst);
+ if(TMath::Abs(aExpo) > nsigma) anodeAmplitude = 0.;
+ else {
+ Int_t theBin = (Int_t) ((aExpo+nsigma)/width+0.5);
+ anodeAmplitude = amplitude*simpar->GetGausLookUp(theBin);
+ }
+ // index starts from 0
+ index = iWing*nofAnodes+ia-1;
+ if(anodeAmplitude){
+ for(kt=jtmin; kt<=jtmax; kt++) {
+ it = (kt-1)/nsplitTb+1; // it starts from 1
+ if(it<=0) it=1;
+ if(it>fScaleSize*fMaxNofSamples)
+ it = fScaleSize*fMaxNofSamples;
+ tExpo = (tStep*(kt-0.5)-tConst);
+ if(TMath::Abs(tExpo) > nsigma) timeAmplitude = 0.;
+ else {
+ Int_t theBin = (Int_t) ((tExpo+nsigma)/width+0.5);
+ timeAmplitude = anodeAmplitude*simpar->GetGausLookUp(theBin)*aStep*tStep;
+ }
+ timeAmplitude *= nanoampToADC;
+ // ListOfFiredCells(arg,timeAmplitude,alst,padr);
+ Double_t charge = timeAmplitude;
+ charge += fHitMap2->GetSignal(index,it-1);
+ fHitMap2->SetHit(index, it-1, charge);
+ fpList->AddSignal(index,it-1,itrack,ii-1,
+ mod->GetIndex(),timeAmplitude);
+ fAnodeFire[index] = kTRUE;
+ } // end loop over time in window
+ } // end if anodeAmplitude
+ } // loop over anodes in window
+ } // end loop over "sub-hits"
+ } // end loop over hits
}
//____________________________________________
-void AliITSsimulationSDD::AddDigit( Int_t i, Int_t j, Int_t signal ) {
+void AliITSsimulationSDD::AddDigit( Int_t i, Int_t j, Int_t signalc, Int_t signale) {
// Adds a Digit.
Int_t size = AliITSdigit::GetNTracks();
digits[0] = i;
digits[1] = j;
- digits[2] = signal;
+ digits[2] = signalc;
AliITSpListItem *pItem = fpList->GetpListItem( i, j );
if( pItem == 0 ) {
}// end for if
}
- fITS->AddSimDigit( 1, phys, digits, tracks, hits, charges );
+ fITS->AddSimDigit( 1, phys, digits, tracks, hits, charges, signale );
delete [] tracks;
delete [] hits;
delete [] charges;
// add baseline, noise, gain, electronics and ADC saturation effects
// apply dead channels
- char opt1[20], opt2[20];
AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(mod);
- res->GetParamOptions(opt1,opt2);
Double_t baseline=0;
Double_t noise=0;
Double_t gain=0;
Float_t contrib=0;
Int_t i,k,kk;
- Float_t maxadc = res->GetMaxAdc();
+ AliITSSimuParam* simpar = fDetType->GetSimuParam();
+ Float_t maxadc = simpar->GetSDDMaxAdc();
+ Int_t nGroup=fScaleSize;
+ if(res->IsAMAt20MHz()){
+ nGroup=fScaleSize/2;
+ }
for (i=0;i<fNofMaps;i++) {
if( !fAnodeFire[i] ) continue;
baseline = res->GetBaseline(i);
noise = res->GetNoise(i);
- gain = res->GetChannelGain(i);
+ gain = res->GetChannelGain(i)/fDetType->GetAverageGainSDD();
if(res->IsBad()) gain=0.;
if( res->IsChipBad(res->GetChip(i)) )gain=0.;
for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
}
fInZI[k] = 0.;
} // end for k
- if(!fDoFFT) {
+ if(!fDoFFT) {
for(k=0; k<fMaxNofSamples; k++) {
Double_t newcont = 0.;
Double_t maxcont = 0.;
newcont = maxcont;
if (newcont >= maxadc) newcont = maxadc -1;
if(newcont >= baseline){
- Warning("","newcont=%d>=baseline=%d",newcont,baseline);
+ Warning("","newcont=%f>=baseline=%f",newcont,baseline);
} // end if
// back to analog: ?
fHitMap2->SetHit(i,k,newcont);
for(k=0; k<fMaxNofSamples; k++) {
Double_t newcont1 = 0.;
Double_t maxcont1 = 0.;
- for(kk=0;kk<fScaleSize;kk++) {
+ for(kk=0;kk<nGroup;kk++) {
newcont1 = fOutZR[fScaleSize*k+kk];
if(newcont1 > maxcont1) maxcont1 = newcont1;
} // end for kk
void AliITSsimulationSDD::ApplyCrosstalk(Int_t mod) {
// function add the crosstalk effect to signal
// temporal function, should be checked...!!!
- AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
- Int_t fNofMaps = seg->Npz();
- Int_t fMaxNofSamples = seg->Npx();
-
// create and inizialice crosstalk map
Float_t* ctk = new Float_t[fNofMaps*fMaxNofSamples+1];
- if( ctk == NULL ) {
- Error( "ApplyCrosstalk", "no memory for temporal map: exit \n" );
- return;
- }
memset( ctk, 0, sizeof(Float_t)*(fNofMaps*fMaxNofSamples+1) );
AliITSCalibrationSDD* calibr = (AliITSCalibrationSDD*)GetCalibrationModel(mod);
for( Int_t z=0; z<fNofMaps; z++ ) {
// make smooth derivative
Float_t* dev = new Float_t[fMaxNofSamples+1];
memset( dev, 0, sizeof(Float_t)*(fMaxNofSamples+1) );
- if( ctk == NULL ) {
- Error( "ApplyCrosstalk",
- "no memory for temporal array: exit \n" );
- return;
- }
for( Int_t i=tstart; i<tstop; i++ ) {
if( i > 2 && i < fMaxNofSamples-2 )
dev[i] = -0.2*fHitMap2->GetSignal( z,i-2 )
return 0;
}
//______________________________________________________________________
+Int_t AliITSsimulationSDD::Convert8to10(Int_t signal) const {
+ // Decompression from 8 to 10 bit
+
+ if (signal < 0 || signal > 255) {
+ AliWarning(Form("Signal value %d out of range",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);
+}
+//______________________________________________________________________
void AliITSsimulationSDD::Compress2D(){
// 2D zero-suppression algorithm as described in ALICE-INT-1999-28 V10
AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
- Bool_t do10to8=res->Do10to8();
for (Int_t iWing=0; iWing<2; iWing++) {
Int_t tL=res->GetZSLowThreshold(iWing);
Int_t tH=res->GetZSHighThreshold(iWing);
if(sS>tL) nLow++;
if(sS>tH) nHigh++;
- if(nLow>=3 && nHigh>=1){
- Int_t signal=(Int_t)(cC-tL);
- if(do10to8) signal = Convert10to8(signal);
- AddDigit(ian,itb,signal); // store C (subtracting low threshold)
+ if(nLow>=2 && nHigh>=1){
+ Int_t signal=(Int_t)cC;
+ Int_t signalc = Convert10to8(signal);
+ Int_t signale = Convert8to10(signalc);
+ signalc-=tL; // subtract low threshold after 10 to 8 bit compression
+ if(signalc>=4) AddDigit(ian,itb,signalc,signale); // store C
}
}
}
//______________________________________________________________________
void AliITSsimulationSDD::StoreAllDigits(){
- // if non-zero-suppressed data
- AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
-
- Bool_t do10to8 = res->Do10to8();
- Int_t i, j, digits[3];
-
- for (i=0; i<fNofMaps; i++) {
- for (j=0; j<fMaxNofSamples; j++) {
- Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j));
- if(do10to8) signal = Convert10to8(signal);
- digits[0] = i;
- digits[1] = j;
- digits[2] = signal;
- fITS->AddRealDigit(1,digits);
- } // end for j
- } // end for i
+ // store digits for non-zero-suppressed data
+ for (Int_t ian=0; ian<fNofMaps; ian++) {
+ for (Int_t itb=0; itb<fMaxNofSamples; itb++){
+ Int_t signal=(Int_t)(fHitMap2->GetSignal(ian,itb));
+ Int_t signalc = Convert10to8(signal);
+ Int_t signale = Convert8to10(signalc);
+ AddDigit(ian,itb,signalc,signale);
+ }
+ }
}
//______________________________________________________________________
void AliITSsimulationSDD::CreateHistograms(Int_t scale){
- // Creates histograms of maps for debugging
- Int_t i;
-
- fHis=new TObjArray(fNofMaps);
- for (i=0;i<fNofMaps;i++) {
- TString sddName("sdd_");
- Char_t candNum[4];
- sprintf(candNum,"%d",i+1);
- sddName.Append(candNum);
- fHis->AddAt(new TH1F(sddName.Data(),"SDD maps",scale*fMaxNofSamples,
- 0.,(Float_t) scale*fMaxNofSamples), i);
- } // end for i
+ // Creates histograms of maps for debugging
+ Int_t i;
+
+ fHis=new TObjArray(fNofMaps);
+ for (i=0;i<fNofMaps;i++) {
+ TString sddName;
+ sddName.Form("sdd_%d",i+1);
+ fHis->AddAt(new TH1F(sddName.Data(),"SDD maps",scale*fMaxNofSamples,
+ 0.,(Float_t) scale*fMaxNofSamples), i);
+ } // end for i
}
//______________________________________________________________________
void AliITSsimulationSDD::FillHistograms(){
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff