protection if aplitude calibration for some PMT does not exist

diff --git a/T0/AliT0Reconstructor.cxx b/T0/AliT0Reconstructor.cxx
index 45a232044990bc291e4a8082709bff63eff12fee..f2ecce0c6eb10aeedf64e626c3729003769924c5 100644 (file)
--- a/T0/AliT0Reconstructor.cxx
+++ b/T0/AliT0Reconstructor.cxx
@@ -199,8 +199,12 @@ void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
       AliDebug(5,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
                       ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
 
-      Double_t ampMip =((TGraph*)fAmpLED.At(ipmt))->Eval(sl);
-      Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
+      Double_t ampMip = 0;
+      TGraph* ampGraph = (TGraph*)fAmpLED.At(ipmt);
+      if (ampGraph) ampMip = ampGraph->Eval(sl);
+      Double_t qtMip = 0;
+      TGraph* qtGraph = (TGraph*)fQTC.At(ipmt);
+      if (qtGraph) qtMip = qtGraph->Eval(adc[ipmt]);
       AliDebug(5,Form("  Amlitude in MIPS LED %f ,  QTC %f in channels %f\n ",ampMip,qtMip, adc[ipmt]));
       
       frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );
@@ -413,8 +417,12 @@ void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) con
           // time[ipmt] = fCalib-> WalkCorrection( refAmp,ipmt, Int_t(sl), timeCFD[ipmt] ) ;
           AliDebug(5,Form(" ipmt %i QTC %i , time in chann %i (led-cfd) %i ",
                            ipmt, Int_t(adc[ipmt]) ,Int_t(time[ipmt]),Int_t( sl)));
-          Double_t ampMip =( (TGraph*)fAmpLED.At(ipmt))->Eval(sl);
-          Double_t qtMip = ((TGraph*)fQTC.At(ipmt))->Eval(adc[ipmt]);
+          Double_t ampMip = 0;
+          TGraph * ampGraph =  (TGraph*)fAmpLED.At(ipmt);
+          if (ampGraph) ampMip = ampGraph->Eval(sl);
+          Double_t qtMip = 0;
+          TGraph * qtGraph = (TGraph*)fQTC.At(ipmt);
+          if (qtGraph) qtMip = qtGraph->Eval(adc[ipmt]);
           AliDebug(10,Form("  Amlitude in MIPS LED %f ; QTC %f;  in channels %f\n ",ampMip,qtMip, adc[ipmt]));
           //bad peak removing
             frecpoints->SetTime(ipmt, Float_t(time[ipmt]) );