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Impact parameter for TPC tracks coming from the AliESDtrack::GetImpactParametersTPC...
authorpchrist <pchrist@f7af4fe6-9843-0410-8265-dc069ae4e863>
Mon, 21 Jul 2008 09:31:34 +0000 (09:31 +0000)
committerpchrist <pchrist@f7af4fe6-9843-0410-8265-dc069ae4e863>
Mon, 21 Jul 2008 09:31:34 +0000 (09:31 +0000)
PWG2/SPECTRA/AliProtonAnalysis.cxx patch | blob | blame | history

diff --git a/PWG2/SPECTRA/AliProtonAnalysis.cxx b/PWG2/SPECTRA/AliProtonAnalysis.cxx
index aabf58596b16605961fca78c48757a93e80f1f5e..5370c8304f5606de119c988bccea887f692b2236 100644 (file)
--- a/PWG2/SPECTRA/AliProtonAnalysis.cxx
+++ b/PWG2/SPECTRA/AliProtonAnalysis.cxx
@@ -499,7 +499,11 @@ Float_t AliProtonAnalysis::GetSigmaToVertex(AliESDtrack* esdTrack) {
   Float_t b[2];
   Float_t bRes[2];
   Float_t bCov[3];
-  esdTrack->GetImpactParameters(b,bCov);
+  if(fUseTPCOnly) 
+    esdTrack->GetImpactParametersTPC(b,bCov);
+  else
+    esdTrack->GetImpactParameters(b,bCov);
+  
   if (bCov[0]<=0 || bCov[2]<=0) {
     //AliDebug(1, "Estimated b resolution lower or equal zero!");
     bCov[0]=0; bCov[2]=0;