/**************************************************************************
- * Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
+ * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
* *
* Author: The ALICE Off-line Project. *
* Contributors are mentioned in the code where appropriate. *
// This function creates ITS clusters from raw data
//------------------------------------------------------------
rawReader->Reset();
+ /*
+ const UInt_t *evid; evid = rawReader->GetEventId();
+ cout<<"Event="<<evid[0]<<endl;
+ */
AliITSRawStreamSSD inputSSD(rawReader);
// rawReader->SelectEquipment(-1,0,15);
FindClustersSSD(&inputSSD,clusters);
Int_t nDigits = 0;
Float_t gain=0;
Float_t noise=0.;
+ Float_t pedestal=0.;
Float_t oldnoise=0.;
AliITSCalibrationSSD* cal=NULL;
// reset signal matrix
for(Int_t i=0; i<12; i++) { for(Int_t j=0; j<1536; j++) { matrix[i][j] = 65535;} }
-
+
if(osignal!=65535) {
n++;
matrix[oadc][ostrip] = osignal; // recover data from previous occurence of input->Next()
}
-
+
// buffer data for ddl=iddl and ad=iad
while(kTRUE) {
-
+
next = input->Next();
if((!next)&&(input->flag)) continue;
Int_t ddl=input->GetDDL();
if(input->GetSideFlag()) strip=1535-strip;
Int_t signal = input->GetSignal();
//cout<<ddl<<" "<<ad<<" "<<adc<<" "<<strip<<" "<<signal<<endl;
-
+
if((ddl==iddl)&&(ad==iad)) {n++; matrix[adc][strip] = signal;}
else {oddl=iddl; oad=iad; oadc = adc; ostrip = strip; osignal=signal; iddl=ddl; iad=ad; break;}
- if(!next) break;
+ if(!next) {oddl=iddl; oad=iad; oadc = adc; ostrip = strip; osignal=signal; iddl=ddl; iad=ad; break;}
+ //break;
}
-
- // No SDD data
+
+ // No SSD data
if(!next && oddl<0) break;
-
+
if(n==0) continue; // first occurence
n=0; osignal=0;
-
+
// fill 1Dclusters
for(Int_t iadc=0; iadc<12; iadc++) { // loop over ADC index for ddl=oddl and ad=oad
-
+
Int_t iimod = (oad - 1) * 12 + iadc;
Int_t iModule = AliITSRawStreamSSD::GetModuleNumber(oddl,iimod);
if(iModule==-1) continue;
- //cout<<"ddl="<<oddl<<" ad"<<oad<<" module="<<iModule<<endl;
+ // cout<<"ddl="<<oddl<<" ad"<<oad<<" module="<<iModule<<endl;
cal = (AliITSCalibrationSSD*)GetResp(iModule);
-
+
Bool_t first = 0;
-
+
for(Int_t istrip=0; istrip<768; istrip++) { // P-side
-
Int_t signal = matrix[iadc][istrip];
+ pedestal = cal->GetPedestalP(istrip);
+ matrix[iadc][istrip]=signal-pedestal;
+ }
+
+ Float_t cmode=0;
+ for(Int_t l=0; l<6; l++) {
+ cmode=0;
+ for(Int_t n=20; n<108; n++) cmode+=matrix[iadc][l*128+n];
+ cmode/=88.;
+ for(Int_t n=0; n<128; n++) matrix[iadc][l*128+n]-=cmode;
+
+ }
+
+ for(Int_t istrip=0; istrip<768; istrip++) { // P-side
+
+ Int_t signal = TMath::Abs(matrix[iadc][istrip]);
+
oldnoise = noise;
- noise = cal->GetNoiseP(istrip);
- if(signal<3*noise) signal = 65535; // in case ZS was not done in hw do it now
+ noise = cal->GetNoiseP(istrip); if(noise<1.) signal = 65535;
+ if(signal<5*noise) signal = 65535; // in case ZS was not done in hw do it now
+ if( (signal<30.) || (istrip<10) || (istrip>758) ) signal=65535;
if (signal!=65535) {
gain = cal->GetGainP(istrip);
signal = (Int_t) ( signal * gain ); // signal is corrected for gain
- //cout<<"ddl="<<oddl<<" ad"<<oad<<" module="<<iModule<<" strip= "<<istrip<<
- // " sig="<<signal<<endl;
signal = (Int_t) cal->ADCToKeV( signal ); // signal is converted in KeV
-
+
q += signal; // add digit to current cluster
y += istrip * signal;
nDigits++;
first=1;
}
-
+
else if(first) {
-
+
if ( ((nDigits==1)&&(q>5*oldnoise)) || (nDigits>1) ) {
-
+
Ali1Dcluster& cluster = clusters1D[0][nClusters[0]++];
cluster.SetY(y/q);
cluster.SetQ(q);
first=0;
}
+ for(Int_t istrip=768; istrip<1536; istrip++) { // P-side
+ Int_t signal = matrix[iadc][istrip];
+ pedestal = cal->GetPedestalN(1535-istrip);
+ matrix[iadc][istrip]=signal-pedestal;
+ }
+
+ for(Int_t l=6; l<12; l++) {
+ Float_t cmode=0;
+ for(Int_t n=20; n<108; n++) cmode+=matrix[iadc][l*128+n];
+ cmode/=88.;
+ for(Int_t n=0; n<128; n++) matrix[iadc][l*128+n]-=cmode;
+ }
+
oldnoise = 0.;
noise = 0.;
for(Int_t istrip=768; istrip<1536; istrip++) { // N-side
- Int_t signal = matrix[iadc][istrip];
+ Int_t signal = TMath::Abs(matrix[iadc][istrip]);
+ //cout<<"####"<<" "<<oddl<<" "<<oad<<" "<<iadc<<" "<<istrip<<" "<<signal<<endl;
+
Int_t strip = 1535-istrip;
+
oldnoise = noise;
- noise = cal->GetNoiseN(strip);
- if(signal<3*noise) signal = 65535; // in case ZS was not done in hw do it now
+ noise = cal->GetNoiseN(strip); if(noise<1.) signal=65535;
+ if(signal<5*noise) signal = 65535; // in case ZS was not done in hw do it now
+ if( (signal<30.) || (istrip<778) || (istrip>1526) ) signal=65535;
if (signal!=65535) {
+ // cout<<"ddl="<<oddl<<" ad"<<oad<<" module="<<iModule<<" strip= "<<istrip<<
+ // " sig="<<signal<<" "<<cal->GetPedestalN(strip)<<endl;
gain = cal->GetGainN(strip);
signal = (Int_t) ( signal * gain); // signal is corrected for gain
signal = (Int_t) cal->ADCToKeV( signal ); // signal is converted in KeV
zt-=fHlSSD; yt-=fHwSSD;
ybest=yt; zbest=zt;
qbest=0.5*(pos[ip].GetQ()+neg[j].GetQ());
+
+ //cout<<yt<<" "<<zt<<" "<<qbest<<endl;
+
{
Double_t loc[3]={ybest,0.,zbest},trk[3]={0.,0.,0.};
mT2L->MasterToLocal(loc,trk);
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff