Macro to calculate the needed HV values as a function of the required MIP signal.
[u/mrichter/AliRoot.git] / VZERO / MakeVZEROSaturationEntry.C
CommitLineData
6616275e 1void MakeVZEROSaturationEntry(const char *cdbUri = "local://$ALICE_ROOT/OCDB",
2 Bool_t default = kTRUE,
3 Int_t firstRun = 0,
4 Int_t lastRun = AliCDBRunRange::Infinity())
5{
6
7 AliCDBManager *man = AliCDBManager::Instance();
8 man->SetDefaultStorage(cdbUri);
9
10 // Creation of the signal saturation OCDB object
11 // x = Total ADC charge (summed up in 8x25 ns - from -1 to +6)
12 // The correction for saturation is:
13 // x -> x + alpha * ( x - beta )
14 // alpha and beta are calculated for each channel, and are
15 // listed below
8589549a 16Double_t alpha[64] = { 7.70e-01 , 7.97e-01 , 7.64e-01 , 7.80e-01 , 6.61e-01 , 7.46e-01 , 6.59e-01 , 6.69e-01 , 6.40e-01 , 6.11e-01 , 6.25e-01 , 4.51e-01 , 5.72e-01 , 3.34e-01 , 6.23e-01 , 5.92e-01 , 5.28e-01 , 4.18e-01 , 3.56e-01 , 3.39e-01 , 4.91e-01 , 3.36e-01 , 9.48e-02 , 1.86e-01 , 1.72e-01 , 2.65e-01 , 2.15e-01 , 1.24e-01 , 2.62e-01 , 2.57e-01 , 2.21e-01 , 1.11e-01 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 1.74e-01 , 0.00e+00 , 1.69e-01 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 1.45e-01 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 5.62e-02 , 0.00e+00 , 0.00e+00 , 1.46e-01 };
17Double_t beta[64] = { 1.40e+03 , 1.38e+03 , 1.42e+03 , 1.38e+03 , 1.40e+03 , 1.40e+03 , 1.38e+03 , 1.40e+03 , 1.34e+03 , 1.38e+03 , 1.40e+03 , 1.24e+03 , 1.42e+03 , 1.36e+03 , 1.34e+03 , 1.36e+03 , 1.41e+03 , 1.40e+03 , 1.41e+03 , 1.32e+03 , 1.34e+03 , 1.40e+03 , 1.21e+03 , 1.36e+03 , 1.36e+03 , 1.39e+03 , 1.38e+03 , 1.40e+03 , 1.44e+03 , 1.47e+03 , 1.44e+03 , 1.34e+03 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 1.18e+03 , 0.00e+00 , 1.22e+03 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 1.34e+03 , 0.00e+00 , 0.00e+00 , 0.00e+00 , 1.22e+03 , 0.00e+00 , 0.00e+00 , 1.31e+03 };
6616275e 18
19 TObjArray *arr = new TObjArray(64);
20 arr->SetOwner(1);
21 for(Int_t i = 0; i < 64; ++i) {
53ad561b 22 TF1 *saturation = new TF1(Form("VZEROSaturationCh_%d",i),"x < [1] ? x : x + [0] * (x - [1])",0.,2500.);
6616275e 23 if (default) {
24 saturation->SetParameter(0,0.0);
25 saturation->SetParameter(1,0.0);
26 }
27 else {
28 saturation->SetParameter(0,alpha[i]);
29 saturation->SetParameter(1,beta[i]);
30 }
31 arr->AddAt(saturation,i);
32 }
33
34 AliCDBMetaData *md= new AliCDBMetaData(); // metaData describing the object
35 md->SetResponsible("Brigitte Cheynis");
36 md->SetBeamPeriod(0);
37 md->SetAliRootVersion(gSystem->Getenv("ARVERSION"));
38 md->SetComment("Signal saturation correction used in reconstruction of data");
39 md->PrintMetaData();
40
41 AliCDBStorage *storLoc = man->GetDefaultStorage();
42 AliCDBId id("VZERO/Calib/Saturation",firstRun,lastRun);
43
44 storLoc->Put(arr, id, md);
45
46 storLoc->Delete();
47 delete md;
48}