#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 "AliITSsimulationSDD.h"
// AliITSsimulationSDD is the simulation of SDDs. //
////////////////////////////////////////////////////////////////////////
-//______________________________________________________________________
-Int_t power(Int_t b, Int_t e) {
- // compute b to the e power, where both b and e are Int_ts.
- Int_t power = 1,i;
-
- for(i=0; i<e; i++) power *= b;
- return power;
-}
-//______________________________________________________________________
-void FastFourierTransform(AliITSetfSDD *alisddetf,Double_t *real,
- Double_t *imag,Int_t direction) {
- // Do a Fast Fourier Transform
-
- Int_t samples = alisddetf->GetSamples();
- Int_t l = (Int_t) ((log((Float_t) samples)/log(2.))+0.5);
- Int_t m1 = samples;
- Int_t m = samples/2;
- Int_t m2 = samples/m1;
- Int_t i,j,k;
- for(i=1; i<=l; i++) {
- for(j=0; j<samples; j += m1) {
- Int_t p = 0;
- for(k=j; k<= j+m-1; k++) {
- Double_t wsr = alisddetf->GetWeightReal(p);
- Double_t wsi = alisddetf->GetWeightImag(p);
- if(direction == -1) wsi = -wsi;
- Double_t xr = *(real+k+m);
- Double_t xi = *(imag+k+m);
- *(real+k+m) = wsr*(*(real+k)-xr) - wsi*(*(imag+k)-xi);
- *(imag+k+m) = wsr*(*(imag+k)-xi) + wsi*(*(real+k)-xr);
- *(real+k) += xr;
- *(imag+k) += xi;
- p += m2;
- } // end for k
- } // end for j
- m1 = m;
- m /= 2;
- m2 += m2;
- } // end for i
-
- for(j=0; j<samples; j++) {
- Int_t j1 = j;
- Int_t p = 0;
- Int_t i1;
- for(i1=1; i1<=l; i1++) {
- Int_t j2 = j1;
- j1 /= 2;
- p = p + p + j2 - j1 - j1;
- } // end for i1
- if(p >= j) {
- Double_t xr = *(real+j);
- Double_t xi = *(imag+j);
- *(real+j) = *(real+p);
- *(imag+j) = *(imag+p);
- *(real+p) = xr;
- *(imag+p) = xi;
- } // end if p>=j
- } // end for j
- if(direction == -1) {
- for(i=0; i<samples; i++) {
- *(real+i) /= samples;
- *(imag+i) /= samples;
- } // end for i
- } // end if direction == -1
- return;
-}
//______________________________________________________________________
AliITSsimulationSDD::AliITSsimulationSDD():
AliITSsimulation(),
fHitMap2(0),
fHitSigMap2(0),
fHitNoiMap2(0),
-fStream(0),
fElectronics(0),
fInZR(0),
fInZI(0),
fOutZI(0),
fAnodeFire(0),
fHis(0),
-fD(),
-fT1(),
-fT2(),
-fTol(),
-fTreeB(0),
-fParam(0),
-fFileName(),
fFlag(kFALSE),
-fCheckNoise(kFALSE),
fCrosstalkFlag(kFALSE),
fDoFFT(1),
fNofMaps(0),
SetPerpendTracksFlag();
SetCrosstalkFlag();
SetDoFFT();
- SetCheckNoise();
}
//______________________________________________________________________
AliITSsimulationSDD::AliITSsimulationSDD(const AliITSsimulationSDD &source) :
fHitMap2(source.fHitMap2),
fHitSigMap2(source.fHitSigMap2),
fHitNoiMap2(source.fHitNoiMap2),
-fStream(source.fStream),
fElectronics(source.fElectronics),
fInZR(source.fInZR),
fInZI(source.fInZI),
fOutZI(source.fOutZI),
fAnodeFire(source.fAnodeFire),
fHis(source.fHis),
-fD(source.fD),
-fT1(source.fT1),
-fT2(source.fT2),
-fTol(source.fTol),
-fTreeB(source.fTreeB),
-fParam(source.fParam),
-fFileName(source.fFileName),
fFlag(source.fFlag),
-fCheckNoise(source.fCheckNoise),
fCrosstalkFlag(source.fCrosstalkFlag),
fDoFFT(source.fDoFFT),
fNofMaps(source.fNofMaps),
"AliITSsimulationSDD Using default creater instead");
return *this ;
}
+/*
//______________________________________________________________________
AliITSsimulation& AliITSsimulationSDD::operator=(const AliITSsimulation &src){
// Assignment operator to satify Coding roules only.
"AliITSsimulationSDD Using default creater instead");
return *this ;
}
-
+*/
//______________________________________________________________________
AliITSsimulationSDD::AliITSsimulationSDD(AliITSDetTypeSim* dettyp):
AliITSsimulation(dettyp),
fHitMap2(0),
fHitSigMap2(0),
fHitNoiMap2(0),
-fStream(0),
fElectronics(0),
fInZR(0),
fInZI(0),
fOutZI(0),
fAnodeFire(0),
fHis(0),
-fD(),
-fT1(),
-fT2(),
-fTol(),
-fTreeB(0),
-fParam(),
-fFileName(),
fFlag(kFALSE),
-fCheckNoise(kFALSE),
fCrosstalkFlag(kFALSE),
fDoFFT(1),
fNofMaps(0),
SetPerpendTracksFlag();
SetCrosstalkFlag();
SetDoFFT();
- SetCheckNoise();
AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
-
- AliITSresponseSDD* res = (AliITSresponseSDD*)fDetType->GetResponse(1);
+ if(seg->Npx()==128) fScaleSize=8;
+ AliITSSimuParam* simpar = fDetType->GetSimuParam();
fpList = new AliITSpList( seg->Npz(),
fScaleSize*seg->Npx() );
fHitSigMap2 = new AliITSMapA2(seg,fScaleSize,1);
fAnodeFire = new Bool_t [fNofMaps];
Float_t sddWidth = seg->Dz();
- Int_t dummy = 0;
- Float_t anodePitch = seg->Dpz(dummy);
- Double_t timeStep = (Double_t)seg->Dpx(dummy);
+ Float_t anodePitch = seg->Dpz(0);
+ Double_t timeStep = (Double_t)seg->Dpx(0);
if(anodePitch*(fNofMaps/2) > sddWidth) {
Warning("AliITSsimulationSDD",
fElectronics = new AliITSetfSDD(timeStep/fScaleSize,
- res->Electronics());
+ simpar->GetSDDElectronics());
- char opt1[20], opt2[20];
- res->ParamOptions(opt1,opt2);
- fParam = opt2;
- const char *kopt=res->ZeroSuppOption();
- fD.Set(fNofMaps);
- fT1.Set(fNofMaps);
- fT2.Set(fNofMaps);
- fTol.Set(fNofMaps);
-
- Bool_t write = res->OutputOption();
- if(write && strstr(kopt,"2D")) MakeTreeB();
-
fITS = (AliITS*)gAlice->GetModule("ITS");
- Int_t size = fNofMaps*fMaxNofSamples;
- fStream = new AliITSInStream(size);
-
+
fInZR = new Double_t [fScaleSize*fMaxNofSamples];
fInZI = new Double_t [fScaleSize*fMaxNofSamples];
fOutZR = new Double_t [fScaleSize*fMaxNofSamples];
// delete fpList;
delete fHitSigMap2;
delete fHitNoiMap2;
- delete fStream;
delete fElectronics;
fITS = 0;
fHis->Delete();
delete fHis;
} // end if fHis
- if(fTreeB) delete fTreeB;
if(fInZR) delete [] fInZR;
if(fInZI) delete [] fInZI;
if(fOutZR) delete [] fOutZR;
fHitSigMap2->ClearMap();
fHitNoiMap2->ClearMap();
}
+//______________________________________________________________________
+void AliITSsimulationSDD::FastFourierTransform(Double_t *real,
+ Double_t *imag,Int_t direction) {
+ // Do a Fast Fourier Transform
+
+ Int_t samples = fElectronics->GetSamples();
+ Int_t l = (Int_t) ((log((Float_t) samples)/log(2.))+0.5);
+ Int_t m1 = samples;
+ Int_t m = samples/2;
+ Int_t m2 = samples/m1;
+ Int_t i,j,k;
+ for(i=1; i<=l; i++) {
+ for(j=0; j<samples; j += m1) {
+ Int_t p = 0;
+ for(k=j; k<= j+m-1; k++) {
+ Double_t wsr = fElectronics->GetWeightReal(p);
+ Double_t wsi = fElectronics->GetWeightImag(p);
+ if(direction == -1) wsi = -wsi;
+ Double_t xr = *(real+k+m);
+ Double_t xi = *(imag+k+m);
+ *(real+k+m) = wsr*(*(real+k)-xr) - wsi*(*(imag+k)-xi);
+ *(imag+k+m) = wsr*(*(imag+k)-xi) + wsi*(*(real+k)-xr);
+ *(real+k) += xr;
+ *(imag+k) += xi;
+ p += m2;
+ } // end for k
+ } // end for j
+ m1 = m;
+ m /= 2;
+ m2 += m2;
+ } // end for i
+ for(j=0; j<samples; j++) {
+ Int_t j1 = j;
+ Int_t p = 0;
+ Int_t i1;
+ for(i1=1; i1<=l; i1++) {
+ Int_t j2 = j1;
+ j1 /= 2;
+ p = p + p + j2 - j1 - j1;
+ } // end for i1
+ if(p >= j) {
+ Double_t xr = *(real+j);
+ Double_t xi = *(imag+j);
+ *(real+j) = *(real+p);
+ *(imag+j) = *(imag+p);
+ *(real+p) = xr;
+ *(imag+p) = xi;
+ } // end if p>=j
+ } // end for j
+ if(direction == -1) {
+ for(i=0; i<samples; i++) {
+ *(real+i) /= samples;
+ *(imag+i) /= samples;
+ } // end for i
+ } // end if direction == -1
+ return;
+}
+
//______________________________________________________________________
void AliITSsimulationSDD::SDigitiseModule(AliITSmodule *mod,Int_t md,Int_t ev){
// digitize module using the "slow" detector simulator creating
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;
Int_t nhits = fHits->GetEntriesFast();
InitSimulationModule( md, ev );
-
- if( !nhits && fCheckNoise ) {
- ChargeToSignal( fModule,kTRUE,kFALSE ); // process noise
- GetNoise();
- ClearMaps();
- return;
- } else
- if( !nhits ) return;
+ if( !nhits ) return;
HitsToAnalogDigits( mod );
ChargeToSignal( fModule,kTRUE,kTRUE ); // process signal + noise
if( fCrosstalkFlag ) ApplyCrosstalk(fModule);
AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
- const char *kopt = res->GetZeroSuppOption();
- ZeroSuppression( kopt );
+ Bool_t isZeroSupp = res->GetZeroSupp();
+ if (isZeroSupp) Compress2D();
+ else StoreAllDigits();
}
//______________________________________________________________________
void AliITSsimulationSDD::HitsToAnalogDigits( AliITSmodule *mod ) {
// 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 dummy = 0;
- Int_t nofAnodes = fNofMaps/2;
- Double_t sddLength = seg->Dx();
- Double_t sddWidth = seg->Dz();
- Double_t anodePitch = seg->Dpz(dummy);
- Double_t timeStep = seg->Dpx(dummy);
- 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 hitDetector; // detector number (lay,lad,hitDetector)
- Int_t iWing; // which detector wing/side.
- Int_t detector; // 2*(detector-1)+iWing
- 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 xAnode; // 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;
- xL[0] += 0.0001*gRandom->Gaus( 0, jitter ); //
- xAnode=10000.*(xL[2]+0.5*dxL[2])/anodePitch + nofAnodes/2;;
- driftSpeed = res->GetDriftSpeedAtAnode(xAnode);
- if(timeStep*fMaxNofSamples < sddLength/driftSpeed) {
- Warning("AliITSsimulationSDD",
- "Time Interval > Allowed Time Interval\n");
- }
- depEnergy *= kconv;
- hitDetector = mod->GetDet();
- //tof = 1.E+09*(mod->GetHit(ii)->GetTOF()); // tof in ns.
- //if(tof>sddLength/driftSpeed) continue; // hit happed too late.
-
- // scale path to simulate a perpendicular track
- // 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
-
- pathInSDD = TMath::Sqrt(dxL[0]*dxL[0]+dxL[1]*dxL[1]+dxL[2]*dxL[2]);
-
- if (fFlag && pathInSDD) { depEnergy *= (0.03/pathInSDD); }
- drPath = 10000.*(dxL[0]+2.*xL[0])*0.5;
- if(drPath < 0) drPath = -drPath;
- 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;
- 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;
- driftPath = 10000.*avDrft;
-
- iWing = 2; // Assume wing is 2
- if(driftPath < 0) { // if wing is not 2 it is 1.
- iWing = 1;
- driftPath = -driftPath;
- } // end if driftPath < 0
- driftPath = sddLength-driftPath;
- detector = 2*(hitDetector-1) + iWing;
- 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
-
- // Drift Time
- drTime = driftPath/driftSpeed; // drift time for segment.
- timeSample = (Int_t) (fScaleSize*drTime/timeStep + 1);
- // compute time Sample including tof information. The tof only
- // effects the time of the signal is recoreded and not the
- // the defusion.
- // timeSample = (Int_t) (fScaleSize*(drTime+tof)/timeStep + 1);
- if(timeSample > fScaleSize*fMaxNofSamples) {
- Warning("HitsToAnalogDigits","Wrong Time Sample: %e",
- timeSample);
- continue;
- } // end if timeSample > fScaleSize*fMaxNoofSamples
-
- // Anode
- xAnode = 10000.*(avAnode)/anodePitch + nofAnodes/2; // +1?
- if(xAnode*anodePitch > sddWidth || xAnode*anodePitch < 0.)
- Warning("HitsToAnalogDigits",
- "Exceedubg sddWidth=%e Z = %e",
- sddWidth,xAnode*anodePitch);
- iAnode = (Int_t) (1.+xAnode); // xAnode?
- if(iAnode < 1 || iAnode > nofAnodes) {
- Warning("HitToAnalogDigits","Wrong iAnode: 1<%d>%d (xanode=%e)",
- iAnode,nofAnodes, xAnode);
- 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) :
+ 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)
+ 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(); //
+
+ // 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\n");
+ }
+ 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
+ } // 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\n",ii,fModule,h->Track(),tof));
+
+ 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;
- // 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 = xAnode*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 - 1)*fScaleSize*nsplit +1;
- jamax = (iAnode + anodeWindow/ndiv)*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 {
- dummy = (Int_t) ((aExpo+nsigma)/width);
- anodeAmplitude = amplitude*res->GetGausLookUp(dummy);
- } // end if TMath::Abs(aEspo) > nsigma
- // index starts from 0
- index = ((detector+1)%2)*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 {
- dummy = (Int_t) ((tExpo+nsigma)/width);
- timeAmplitude = anodeAmplitude*
- res->GetGausLookUp(dummy);
- } // 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 if anodeAmplitude and loop over time in window
- } // loop over anodes in window
- } // end loop over "sub-hits"
- } // end loop over hits
+ // 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.
+ // 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
+ 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*fMaxNofSamples
+ 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) :
+
+ // Peak amplitude in nanoAmpere
+ 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;
+ jamax = (iAnode + anodeWindow + 2)*nsplitAn;
+ if(jamin <= 0) jamin = 1;
+ if(jamax > nofAnodes*nsplitAn)
+ jamax = nofAnodes*nsplitAn;
+ // jtmin and jtmax are Hard-wired
+ jtmin = (Int_t)(timeSample-timeWindow-2)*nsplitTb+1;
+ jtmax = (Int_t)(timeSample+timeWindow+2)*nsplitTb;
+ if(jtmin <= 0) jtmin = 1;
+ if(jtmax > fScaleSize*fMaxNofSamples*nsplitTb)
+ jtmax = fScaleSize*fMaxNofSamples*nsplitTb;
+ // 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 ) {
- // Adds a Digit.
- Int_t size = AliITSdigit::GetNTracks();
-
- Int_t digits[3];
- Int_t * tracks = new Int_t[size];
- Int_t * hits = new Int_t[size];
- Float_t phys;
- Float_t * charges = new Float_t[size];
-
- digits[0] = i;
- digits[1] = j;
- digits[2] = signal;
-
- AliITSpListItem *pItem = fpList->GetpListItem( i, j );
- if( pItem == 0 ) {
- phys = 0.0;
- for( Int_t l=0; l<size; l++ ) {
- tracks[l] = 0;
- hits[l] = 0;
- charges[l] = 0.0;
- }
- } else {
- Int_t idtrack = pItem->GetTrack( 0 );
- if( idtrack >= 0 ) phys = pItem->GetSignal();
- else phys = 0.0;
-
- for( Int_t l=0; l<size; l++ ) if(l<pItem->GetMaxKept()) {
- tracks[l] = pItem->GetTrack( l );
- hits[l] = pItem->GetHit( l );
- charges[l] = pItem->GetSignal( l );
- }else{
- tracks[l] = -3;
- hits[l] = -1;
- charges[l] = 0.0;
- }// end for if
+void AliITSsimulationSDD::AddDigit( Int_t i, Int_t j, Int_t signalc, Int_t signale) {
+ // Adds a Digit.
+ Int_t size = AliITSdigit::GetNTracks();
+
+ Int_t digits[3];
+ Int_t * tracks = new Int_t[size];
+ Int_t * hits = new Int_t[size];
+ Float_t phys;
+ Float_t * charges = new Float_t[size];
+
+ digits[0] = i;
+ digits[1] = j;
+ digits[2] = signalc;
+
+ AliITSpListItem *pItem = fpList->GetpListItem( i, j );
+ if( pItem == 0 ) {
+ phys = 0.0;
+ for( Int_t l=0; l<size; l++ ) {
+ tracks[l] = 0;
+ hits[l] = 0;
+ charges[l] = 0.0;
}
+ } else {
+ Int_t idtrack = pItem->GetTrack( 0 );
+ if( idtrack >= 0 ) phys = pItem->GetSignal();
+ else phys = 0.0;
+
+ for( Int_t l=0; l<size; l++ ) if(l<pItem->GetMaxKept()) {
+ tracks[l] = pItem->GetTrack( l );
+ hits[l] = pItem->GetHit( l );
+ charges[l] = pItem->GetSignal( l );
+ }else{
+ tracks[l] = -3;
+ hits[l] = -1;
+ charges[l] = 0.0;
+ }// end for if
+ }
- fITS->AddSimDigit( 1, phys, digits, tracks, hits, charges );
- delete [] tracks;
- delete [] hits;
- delete [] charges;
+ fITS->AddSimDigit( 1, phys, digits, tracks, hits, charges, signale );
+ delete [] tracks;
+ delete [] hits;
+ delete [] charges;
}
//______________________________________________________________________
void AliITSsimulationSDD::ChargeToSignal(Int_t mod,Bool_t bAddNoise, Bool_t bAddGain) {
// 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);
- if(res->IsDead()) gain=0;
+ if(res->IsBad()) gain=0.;
+ if( res->IsChipBad(res->GetChip(i)) )gain=0.;
for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
fInZR[k] = fHitMap2->GetSignal(i,k);
if(bAddGain) fInZR[k]*=gain;
}
fInZI[k] = 0.;
} // end for k
- if(!fDoFFT) {
+ if(!fDoFFT) {
for(k=0; k<fMaxNofSamples; k++) {
Double_t newcont = 0.;
Double_t maxcont = 0.;
fHitMap2->SetHit(i,k,newcont);
} // end for k
}else{
- FastFourierTransform(fElectronics,&fInZR[0],&fInZI[0],1);
+ FastFourierTransform(&fInZR[0],&fInZI[0],1);
for(k=0; k<fScaleSize*fMaxNofSamples; k++) {
Double_t rw = fElectronics->GetTraFunReal(k);
Double_t iw = fElectronics->GetTraFunImag(k);
fOutZR[k] = fInZR[k]*rw - fInZI[k]*iw;
fOutZI[k] = fInZR[k]*iw + fInZI[k]*rw;
} // end for k
- FastFourierTransform(fElectronics,&fOutZR[0],&fOutZI[0],-1);
+ FastFourierTransform(&fOutZR[0],&fOutZI[0],-1);
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 ) {
delete [] ctk;
}
-//______________________________________________________________________
-void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl,
- Int_t &th) const{
- // Returns the compression alogirthm parameters
- db=fD[i];
- tl=fT1[i];
- th=fT2[i];
-}
-//______________________________________________________________________
-void AliITSsimulationSDD::CompressionParam(Int_t i,Int_t &db,Int_t &tl) const{
- // returns the compression alogirthm parameters
-
- db=fD[i];
- tl=fT1[i];
-
-}
-//______________________________________________________________________
-void AliITSsimulationSDD::SetCompressParam(){
- // Sets the compression alogirthm parameters
- AliITSCalibrationSDD* calibr = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
- for(Int_t ian = 0; ian<fNofMaps;ian++){
- fD[ian] = (Int_t)(calibr->GetBaseline(ian));
- fT1[ian] = (Int_t)(2.*calibr->GetNoiseAfterElectronics(ian)+0.5);
- fT2[ian] = 0; // used by 2D clustering - not defined yet
- fTol[ian] = 0; // used by 2D clustering - not defined yet
- }
-}
//______________________________________________________________________
Int_t AliITSsimulationSDD::Convert10to8(Int_t signal) const {
// To the 10 to 8 bit lossive compression.
if (signal < 1024) return (224+((signal-512)>>4));
return 0;
}
-/*
-//______________________________________________________________________
-AliITSMap* AliITSsimulationSDD::HitMap(Int_t i){
- //Return the correct map.
-
- return ((i==0)? fHitMap1 : fHitMap2);
-}
-*/
-//______________________________________________________________________
-void AliITSsimulationSDD::ZeroSuppression(const char *option) {
- // perform the zero suppresion
- if (strstr(option,"2D")) {
- //Init2D(); // activate if param change module by module
- Compress2D();
- } else if (strstr(option,"1D")) {
- //Init1D(); // activate if param change module by module
- Compress1D();
- } else StoreAllDigits();
-}
//______________________________________________________________________
-void AliITSsimulationSDD::Init2D(){
- // read in and prepare arrays: fD, fT1, fT2
- // savemu[nanodes], savesigma[nanodes]
- // read baseline and noise from file - either a .root file and in this
- // case data should be organised in a tree with one entry for each
- // module => reading should be done accordingly
- // or a classic file and do smth. like this ( code from Davide C. and
- // Albert W.) :
- // Read 2D zero-suppression parameters for SDD
+Int_t AliITSsimulationSDD::Convert8to10(Int_t signal) const {
+ // Decompression from 8 to 10 bit
- if (!strstr(fParam.Data(),"file")) return;
-
- Int_t na,pos,tempTh;
- Float_t mu,sigma;
- Float_t *savemu = new Float_t [fNofMaps];
- Float_t *savesigma = new Float_t [fNofMaps];
- char input[100],basel[100],par[100];
- char *filtmp;
- Double_t tmp1,tmp2;
- AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
-
- res->Thresholds(tmp1,tmp2);
- Int_t minval = static_cast<Int_t>(tmp1);
-
- res->Filenames(input,basel,par);
- fFileName = par;
- //
- filtmp = gSystem->ExpandPathName(fFileName.Data());
- FILE *param = fopen(filtmp,"r");
- na = 0;
-
- if(param) {
- while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) {
- if (pos != na+1) {
- Error("Init2D","Anode number not in increasing order!",filtmp);
- exit(1);
- } // end if pos != na+1
- savemu[na] = mu;
- savesigma[na] = sigma;
- if ((2.*sigma) < mu) {
- fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5);
- mu = 2.0 * sigma;
- } else fD[na] = 0;
- tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval;
- if (tempTh < 0) tempTh=0;
- fT1[na] = tempTh;
- tempTh = (Int_t)floor(mu+3.0*sigma+0.5) - minval;
- if (tempTh < 0) tempTh=0;
- fT2[na] = tempTh;
- na++;
- } // end while
- } else {
- Error("Init2D","THE FILE %s DOES NOT EXIST !",filtmp);
- exit(1);
- } // end if(param)
+ if (signal < 0 || signal > 255) {
+ AliWarning(Form("Signal value %d out of range",signal));
+ return 0;
+ } // end if signal <0 || signal >255
- fclose(param);
- delete [] filtmp;
- delete [] savemu;
- delete [] savesigma;
+ 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(){
- // simple ITS cluster finder -- online zero-suppression conditions
-
- Int_t db,tl,th;
- Double_t tmp1,tmp2;
- AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
-
- res->Thresholds(tmp1,tmp2);
- Int_t minval = static_cast<Int_t>(tmp1);
- Bool_t write = res->OutputOption();
- Bool_t do10to8 = res->Do10to8();
- Int_t nz, nl, nh, low, i, j;
- SetCompressParam();
- for (i=0; i<fNofMaps; i++) {
- CompressionParam(i,db,tl,th);
- nz = 0;
- nl = 0;
- nh = 0;
- low = 0;
- for (j=0; j<fMaxNofSamples; j++) {
- Int_t signal=(Int_t)(fHitMap2->GetSignal(i,j));
- signal -= db; // if baseline eq. is done here
- if (signal <= 0) {nz++; continue;}
- if ((signal - tl) < minval) low++;
- if ((signal - th) >= minval) {
- nh++;
- Bool_t cond=kTRUE;
- FindCluster(i,j,signal,minval,cond);
- if(cond && j &&
- ((TMath::Abs(fHitMap2->GetSignal(i,j-1))-th)>=minval)){
- if(do10to8) signal = Convert10to8(signal);
- AddDigit(i,j,signal);
- } // end if cond&&j&&()
- } else if ((signal - tl) >= minval) nl++;
- } // end for j loop time samples
- if (write) TreeB()->Fill(nz,nl,nh,low,i+1);
- } //end for i loop anodes
-
- char hname[30];
- if (write) {
- sprintf(hname,"TNtuple%d_%d",fModule,fEvent);
- TreeB()->Write(hname);
- // reset tree
- TreeB()->Reset();
- } // end if write
+ // 2D zero-suppression algorithm as described in ALICE-INT-1999-28 V10
+ AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
+ for (Int_t iWing=0; iWing<2; iWing++) {
+ Int_t tL=res->GetZSLowThreshold(iWing);
+ Int_t tH=res->GetZSHighThreshold(iWing);
+ for (Int_t i=0; i<fNofMaps/2; i++) {
+ Int_t ian=i+iWing*fNofMaps/2;
+ if( !fAnodeFire[ian] ) continue;
+ for (Int_t itb=0; itb<fMaxNofSamples; itb++) {
+ Int_t nLow=0, nHigh=0;
+ Float_t cC=fHitMap2->GetSignal(ian,itb);
+ if(cC<=tL) continue;
+ nLow++; // cC is greater than tL
+ if(cC>tH) nHigh++;
+ // N
+ // Get "quintuple": WCE
+ // S
+ Float_t wW=0.;
+ if(itb>0) wW=fHitMap2->GetSignal(ian,itb-1);
+ if(wW>tL) nLow++;
+ if(wW>tH) nHigh++;
+ Float_t eE=0.;
+ if(itb<fMaxNofSamples-1) eE=fHitMap2->GetSignal(ian,itb+1);
+ if(eE>tL) nLow++;
+ if(eE>tH) nHigh++;
+ Float_t nN=0.;
+ if(i<(fNofMaps/2-1)) nN=fHitMap2->GetSignal(ian+1,itb);
+ if(nN>tL) nLow++;
+ if(nN>tH) nHigh++;
+ Float_t sS=0.;
+ if(i>0) sS=fHitMap2->GetSignal(ian-1,itb);
+ if(sS>tL) nLow++;
+ if(sS>tH) nHigh++;
+
+ if(nLow>=3 && 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::FindCluster(Int_t i,Int_t j,Int_t signal,
- Int_t minval,Bool_t &cond){
- // Find clusters according to the online 2D zero-suppression algorithm
- AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
- AliITSsegmentationSDD* seg = (AliITSsegmentationSDD*)GetSegmentationModel(1);
-
- Bool_t do10to8 = res->Do10to8();
- Bool_t high = kFALSE;
- fHitMap2->FlagHit(i,j);
- //
- // check the online zero-suppression conditions
- //
- const Int_t kMaxNeighbours = 4;
- Int_t nn;
- Int_t dbx,tlx,thx;
- Int_t xList[kMaxNeighbours], yList[kMaxNeighbours];
- seg->Neighbours(i,j,&nn,xList,yList);
- Int_t in,ix,iy,qns;
- for (in=0; in<nn; in++) {
- ix=xList[in];
- iy=yList[in];
- if (fHitMap2->TestHit(ix,iy)==kUnused) {
- CompressionParam(ix,dbx,tlx,thx);
- Int_t qn = (Int_t)(fHitMap2->GetSignal(ix,iy));
- qn -= dbx; // if baseline eq. is done here
- if ((qn-tlx) < minval) {
- fHitMap2->FlagHit(ix,iy);
- continue;
- } else {
- if ((qn - thx) >= minval) high=kTRUE;
- if (cond) {
- if(do10to8) signal = Convert10to8(signal);
- AddDigit(i,j,signal);
- } // end if cond
- if(do10to8) qns = Convert10to8(qn);
- else qns=qn;
- if (!high) AddDigit(ix,iy,qns);
- cond=kFALSE;
- if(!high) fHitMap2->FlagHit(ix,iy);
- } // end if qn-tlx < minval
- } // end if TestHit
- } // end for in loop over neighbours
-}
-//______________________________________________________________________
-void AliITSsimulationSDD::Init1D(){
- // this is just a copy-paste of input taken from 2D algo
- // Torino people should give input
- // Read 1D zero-suppression parameters for SDD
-
- if (!strstr(fParam.Data(),"file")) return;
- Int_t na,pos,tempTh;
- Float_t mu,sigma;
- Float_t *savemu = new Float_t [fNofMaps];
- Float_t *savesigma = new Float_t [fNofMaps];
- char input[100],basel[100],par[100];
- char *filtmp;
- Double_t tmp1,tmp2;
- AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
-
- res->Thresholds(tmp1,tmp2);
- Int_t minval = static_cast<Int_t>(tmp1);
-
- res->Filenames(input,basel,par);
- fFileName=par;
-
- // set first the disable and tol param
- SetCompressParam();
- //
- filtmp = gSystem->ExpandPathName(fFileName.Data());
- FILE *param = fopen(filtmp,"r");
- na = 0;
-
- if (param) {
- fscanf(param,"%d %d %d %d ", &fT2[0], &fT2[1], &fTol[0], &fTol[1]);
- while(fscanf(param,"%d %f %f",&pos, &mu, &sigma) != EOF) {
- if (pos != na+1) {
- Error("Init1D","Anode number not in increasing order!",filtmp);
- exit(1);
- } // end if pos != na+1
- savemu[na]=mu;
- savesigma[na]=sigma;
- if ((2.*sigma) < mu) {
- fD[na] = (Int_t)floor(mu - 2.0*sigma + 0.5);
- mu = 2.0 * sigma;
- } else fD[na] = 0;
- tempTh = (Int_t)floor(mu+2.25*sigma+0.5) - minval;
- if (tempTh < 0) tempTh=0;
- fT1[na] = tempTh;
- na++;
- } // end while
- } else {
- Error("Init1D","THE FILE %s DOES NOT EXIST !",filtmp);
- exit(1);
- } // end if(param)
-
- fclose(param);
- delete [] filtmp;
- delete [] savemu;
- delete [] savesigma;
-}
-//______________________________________________________________________
-void AliITSsimulationSDD::Compress1D(){
- // 1D zero-suppression algorithm (from Gianluca A.)
- Int_t dis,tol,thres,decr,diff;
- UChar_t *str=fStream->Stream();
- Int_t counter=0;
- AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
-
- Bool_t do10to8=res->Do10to8();
- Int_t last=0;
- Int_t k,i,j;
- SetCompressParam();
- for (k=0; k<2; k++) {
- tol = Tolerance(k);
- dis = Disable(k);
- for (i=0; i<fNofMaps/2; i++) {
- Bool_t firstSignal=kTRUE;
- Int_t idx=i+k*fNofMaps/2;
- if( !fAnodeFire[idx] ) continue;
- CompressionParam(idx,decr,thres);
-
- for (j=0; j<fMaxNofSamples; j++) {
- Int_t signal=(Int_t)(fHitMap2->GetSignal(idx,j));
- signal -= decr; // if baseline eq.
- if(do10to8) signal = Convert10to8(signal);
- if (signal <= thres) {
- signal=0;
- diff=128;
- last=0;
- // write diff in the buffer for HuffT
- str[counter]=(UChar_t)diff;
- counter++;
- continue;
- } // end if signal <= thres
- diff=signal-last;
- if (diff > 127) diff=127;
- if (diff < -128) diff=-128;
- if (signal < dis) {
- // tol has changed to 8 possible cases ? - one can write
- // this if(TMath::Abs(diff)<tol) ... else ...
- if(TMath::Abs(diff)<tol) diff=0;
- // or keep it as it was before
- AddDigit(idx,j,last+diff);
- } else {
- AddDigit(idx,j,signal);
- } // end if singal < dis
- diff += 128;
- // write diff in the buffer used to compute Huffman tables
- if (firstSignal) str[counter]=(UChar_t)signal;
- else str[counter]=(UChar_t)diff;
- counter++;
- last=signal;
- firstSignal=kFALSE;
- } // end for j loop time samples
- } // end for i loop anodes one half of detector
- } // end for k
-
- // check
- fStream->CheckCount(counter);
-
- // open file and write out the stream of diff's
- static Bool_t open=kTRUE;
- static TFile *outFile;
- Bool_t write = res->OutputOption();
- TDirectory *savedir = gDirectory;
-
- if (write ) {
- if(open) {
- SetFileName("stream.root");
- cout<<"filename "<<fFileName<<endl;
- outFile=new TFile(fFileName,"recreate");
- cout<<"I have opened "<<fFileName<<" file "<<endl;
- } // end if open
- open = kFALSE;
- outFile->cd();
- fStream->Write();
- } // endif write
-
- fStream->ClearStream();
-
- // back to galice.root file
- if(savedir) savedir->cd();
-}
//______________________________________________________________________
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){
return;
}
//______________________________________________________________________
-Float_t AliITSsimulationSDD::GetNoise() {
- // Returns the noise value
- //Bool_t do10to8=GetResp()->Do10to8();
- //noise will always be in the liniar part of the signal
- Int_t decr;
- Int_t threshold = fT1[0];
- char opt1[20], opt2[20];
- AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
- SetCompressParam();
- res->GetParamOptions(opt1,opt2);
- fParam=opt2;
- Double_t noise,baseline;
- //GetBaseline(fModule);
-
- TCanvas *c2 = (TCanvas*)gROOT->GetListOfCanvases()->FindObject("c2");
- if(c2) delete c2->GetPrimitive("noisehist");
- if(c2) delete c2->GetPrimitive("anode");
- else c2=new TCanvas("c2");
- c2->cd();
- c2->SetFillColor(0);
-
- TH1F *noisehist = new TH1F("noisehist","noise",100,0.,(float)2*threshold);
- TH1F *anode = new TH1F("anode","Anode Projection",fMaxNofSamples,0.,
- (float)fMaxNofSamples);
- Int_t i,k;
- for (i=0;i<fNofMaps;i++) {
- CompressionParam(i,decr,threshold);
- baseline = res->GetBaseline(i);
- noise = res->GetNoise(i);
- anode->Reset();
- for (k=0;k<fMaxNofSamples;k++) {
- Float_t signal=(Float_t)fHitMap2->GetSignal(i,k);
- //if (signal <= (float)threshold) noisehist->Fill(signal-baseline);
- if (signal <= (float)(threshold+decr)) noisehist->Fill(signal);
- anode->Fill((float)k,signal);
- } // end for k
- anode->Draw();
- c2->Update();
- } // end for i
- TF1 *gnoise = new TF1("gnoise","gaus",0.,threshold);
- noisehist->Fit("gnoise","RQ");
- noisehist->Draw();
- c2->Update();
- Float_t mnoise = gnoise->GetParameter(1);
- cout << "mnoise : " << mnoise << endl;
- Float_t rnoise = gnoise->GetParameter(2);
- cout << "rnoise : " << rnoise << endl;
- delete noisehist;
- return rnoise;
-}
-//______________________________________________________________________
void AliITSsimulationSDD::WriteSDigits(){
// Fills the Summable digits Tree
static AliITS *aliITS = (AliITS*)gAlice->GetModule("ITS");
for( Int_t i=0; i<fNofMaps; i++ ) {
if( !fAnodeFire[i] ) continue;
- for( Int_t j=0; j<fMaxNofSamples; j++ ) {
+ for( Int_t j=0; j<fMaxNofSamples; j++ ) {
Double_t sig = fHitMap2->GetSignal( i, j );
if( sig > 0.2 ) {
Int_t jdx = j*fScaleSize;
cout << " Silicon Drift Detector Simulation Parameters " << endl;
cout << "**************************************************" << endl;
cout << "Flag for Perpendicular tracks: " << (Int_t) fFlag << endl;
- cout << "Flag for noise checking: " << (Int_t) fCheckNoise << endl;
cout << "Flag to switch off electronics: " << (Int_t) fDoFFT << endl;
- cout << "Number pf Anodes used: " << fNofMaps << endl;
+ cout << "Number of Anodes used: " << fNofMaps << endl;
cout << "Number of Time Samples: " << fMaxNofSamples << endl;
cout << "Scale size factor: " << fScaleSize << endl;
cout << "**************************************************" << endl;
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff