ATO-260, ATO-240 extract calibration also in case of small statistic.…

… 2 level trehsold to accept the time dipendent calibration
sevdokim · Jul 31, 2015 · 144ed54 · 144ed54
1 parent 13e6147
commit 144ed54
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/TPC/TPCcalib/AliTPCcalibBase.cxx b/TPC/TPCcalib/AliTPCcalibBase.cxx
@@ -257,6 +257,7 @@ TGraphErrors * AliTPCcalibBase::FitSlices(THnSparse *h, Int_t axisDim1, Int_t ax
   //
   // Fitting slices of the projection(axisDim1,axisDim2) of a sparse histogram
   // 
+  const Int_t kMinStat=100;
   TF1 funcGaus("funcGaus","gaus");
   TH2D * hist = h->Projection(axisDim1, axisDim2);
   Double_t *xvec = new Double_t[hist->GetNbinsX()];
@@ -280,7 +281,7 @@ TGraphErrors * AliTPCcalibBase::FitSlices(THnSparse *h, Int_t axisDim1, Int_t ax
       if (nsum==0) break;
       if (nsum>minEntries) break;
     }
-    if (nsum<minEntries) continue;
+    if (nsum<kMinStat) continue;
     //
     hist->GetXaxis()->SetRange(imin,imax);
     projectionHist = hist->ProjectionY("gain",imin,imax);

diff --git a/TPC/TPCcalib/AliTPCcalibGainMult.cxx b/TPC/TPCcalib/AliTPCcalibGainMult.cxx
@@ -187,7 +187,7 @@ AliTPCcalibGainMult::AliTPCcalibGainMult(const Text_t *name, const Text_t *title
   // pad region equalization
   //
   Int_t binsPadEqual[5]    = { 400, 400,    4,    5,   20};
-  Double_t xminPadEqual[5] = { 0.0, 0.0, -0.5,    0,  -1.}; 
+  Double_t xminPadEqual[5] = { 0.001, 0.001, -0.5,    0,  -1.}; 
   Double_t xmaxPadEqual[5] = { 2.0, 2.0,  3.5, 13000,  +1};
   TString axisNamePadEqual[5]   = {"dEdxRatioMax","dEdxRatioTot","padType","mult","dipAngle"};
   TString axisTitlePadEqual[5]  = {"dEdx_padRegion/mean_dEdx Qmax", "dEdx_padRegion/mean_dEdx Qtot","padType","mult","tan(lambda)"};