5 #include "AliTPCParamSR.h"
6 #include "AliTPCDigitsArray.h"
7 #include "AliSimDigits.h"
8 #include "AliTPCBuffer160.h"
11 /// \file AliTPCAltro.C
13 int AliTPCAltro(Int_t eth=0){
15 /// eth is a threshold.
16 /// Digits stored into a file have an amplitude value greater than "eth"
18 Int_t offset=1; ///< this should be equal to the threshold
20 NB the amplitude values stored in the ALTRO file are shifted by offset
21 because the range for each word goes from 0 to 1023, now due to zero suppression
22 values lower that the threshold never appear.
25 Int_t PSecNumber=-1; ///< Previous Sector number
26 Int_t PRowNumber=-1; ///< Previous Row number
27 Int_t PPadNumber=-1; ///< Previous Pad number
28 Int_t PTimeBin=-1; ///< Previous Time-Bin
30 //AliTPCBuffer160 is used in write mode to generate AltroFormat.dat file
31 AliTPCBuffer160 Buffer("AltroFormat.dat",1);
36 const char * inFile_new = "galice.root";
37 AliRunLoader *rl = AliRunLoader::Open(inFile_new,"Event","read");
39 Int_t nevents=rl->GetNumberOfEvents();
40 cout<<"Number of Events:"<<nevents<<endl;
43 cout<<"Insert the event number: ";
45 }while (choice<=0 || choice>nevents);
46 rl->GetEvent(choice-1);
47 AliLoader *tpcloader=rl->GetLoader("TPCLoader");
48 tpcloader->LoadDigits();
49 TTree *digitsTree=tpcloader->TreeD();
51 AliSimDigits digrows, *dummy=&digrows;
52 digitsTree->GetBranch("Segment")->SetAddress(&dummy);
53 Stat_t nrows = digitsTree->GetEntries();
54 cout<<"Number of entries (rows):"<<nrows<<endl;
55 // get the TPC parameters
57 AliTPCParamSR* param = AliTPC::LoadTPCParam(gFile);
59 cout<<"No TPC parameter"<<endl;
60 AliTPCDigitsArray *digarr=new AliTPCDigitsArray;
62 digarr->ConnectTree(digitsTree);
63 //ofstream ftxt("Data.txt");
64 for (Int_t n=0; n<nrows; n++) {
65 Int_t sec,row; ///< sector and row number (in the TPC)
66 AliSimDigits *digrow=(AliSimDigits*)digarr->LoadEntry(n);
67 param->AdjustSectorRow(digrow->GetID(),sec,row);
69 //cout<<"Sector:"<<sec<<" Row:"<<row<<endl;
72 Short_t dig=digrow->CurrentDigit(); //adc
73 Int_t time=digrow->CurrentRow(); //time
74 Int_t pad =digrow->CurrentColumn(); // pad
75 //cout<<"dig:"<<dig<<" time:"<<time<<" pad:"<<pad<<endl;
78 //ftxt<<"Sec: "<<sec<<" Row: "<<row<<" Pad:"<<pad<<" Time: "<<time<<" ADC:"<<dig<<endl;
79 //cout<<"Sec: "<<sec<<" Row: "<<row<<" Pad:"<<pad<<" Time: "<<time<<" ADC:"<<dig<<endl;
87 Buffer.FillBuffer(dig-offset);
91 if ( (time==(PTimeBin+1)) &&
98 Buffer.FillBuffer(PTimeBin);
99 Buffer.FillBuffer(BunchLength+2);
101 if ((PPadNumber!=pad)||(PRowNumber!=row)||(PSecNumber!=sec)){
102 //Trailer is formatted and inserted!!
103 Buffer.WriteTrailer(nwords,PPadNumber,PRowNumber,PSecNumber);
114 Buffer.FillBuffer(dig-offset);
118 } while (digrow->Next());
121 Buffer.FillBuffer(PTimeBin);
122 Buffer.FillBuffer(BunchLength+2);
124 Buffer.WriteTrailer(nwords,PPadNumber,PRowNumber,PSecNumber);
127 cout<<"There are "<<Count<<" Digits\n";
128 cout<<"Packets "<<numPackets<<"\n";