// 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),
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);
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
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
AliITSCalibrationSDD* res = (AliITSCalibrationSDD*)GetCalibrationModel(fModule);
const char *kopt = res->GetZeroSuppOption();
- ZeroSuppression( kopt );
+ if (strstr(kopt,"ZS")) Compress2D();
+ else StoreAllDigits();
}
//______________________________________________________________________
void AliITSsimulationSDD::HitsToAnalogDigits( AliITSmodule *mod ) {
//____________________________________________
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
+ // 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
+ }
- fITS->AddSimDigit( 1, phys, digits, tracks, hits, charges );
- delete [] tracks;
- delete [] hits;
- delete [] charges;
+ fITS->AddSimDigit( 1, phys, digits, tracks, hits, charges );
+ delete [] tracks;
+ delete [] hits;
+ delete [] charges;
}
//______________________________________________________________________
void AliITSsimulationSDD::ChargeToSignal(Int_t mod,Bool_t bAddNoise, Bool_t bAddGain) {
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.;
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
-
- 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)
-
- fclose(param);
- delete [] filtmp;
- delete [] savemu;
- delete [] savesigma;
-}
//______________________________________________________________________
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
-}
-//______________________________________________________________________
-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
+ // 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);
+ 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++) {
+ Float_t cC=fHitMap2->GetSignal(ian,itb);
+ if(cC<=tL) continue;
+ // N
+ // Get "quintuple": WCE
+ // S
+ Float_t wW=0.;
+ if(itb>0) wW=fHitMap2->GetSignal(ian,itb-1);
+ Float_t eE=0.;
+ if(itb<fMaxNofSamples-1) eE=fHitMap2->GetSignal(ian,itb+1);
+ Float_t nN=0.;
+ if(i<(fNofMaps/2-1)) nN=fHitMap2->GetSignal(ian+1,itb);
+ Float_t sS=0.;
+ if(i>0) sS=fHitMap2->GetSignal(ian-1,itb);
+
+ Int_t thres=tH; // another cell in quintuplet should pass high threshold
+ if(cC>tH) thres=tL; // another cell in quintuplet should pass low threshold
+ if(wW>thres || eE>thres || nN>thres || sS>thres){
+ Int_t signal=(Int_t)(cC-tL);
+ if(do10to8) signal = Convert10to8(signal);
+ AddDigit(ian,itb,signal); // store C (subtracting low threshold)
+ }
+ }
+ }
+ }
}
-//______________________________________________________________________
-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);
+ // 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
+ 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
}
//______________________________________________________________________
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");
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