protection againt writing histograms with no data for equalizing

[u/mrichter/AliRoot.git] / T0 / AliT0Parameters.cxx

diff --git a/T0/AliT0Parameters.cxx b/T0/AliT0Parameters.cxx
index 05262c97c0e7ddf7766a5ce00328b02e2b894b24..d6070c141f18d3deb31bbe45a22abd2c7a6fa879 100644 (file)
--- a/T0/AliT0Parameters.cxx
+++ b/T0/AliT0Parameters.cxx
@@ -73,10 +73,13 @@ AliT0Parameters::AliT0Parameters()
    fAmpLEDRec(0), 
    fPMTeff(),
    fWalk(0),
+   fQTC(0),
+   fAmpLED(0),
    fTimeDelayCFD(0), 
  //  fTimeV0(0), 
    fTimeDelayTVD(0),
    fMeanT0(512),
+   fMeanVertex(0),
    fLookUp(0),
    fNumberOfTRMs(2),
    fCalibentry(), fLookUpentry(),fSlewCorr()
@@ -195,6 +198,19 @@ AliT0Parameters::GetTimeDelayCFD(Int_t ipmt)
 }
 //__________________________________________________________________
 
+Float_t
+AliT0Parameters:: GetMeanVertex()
+{ 
+  if (!fCalibentry) 
+    {
+      fMeanVertex=0;
+      return fMeanVertex;
+    }
+   
+  return fgCalibData->GetMeanVertex();
+}
+//__________________________________________________________________
+
 TGraph *AliT0Parameters::GetAmpLEDRec(Int_t ipmt) const
 {
    if (!fSlewCorr) {