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vertex position sign fixed
authoralla <alla@f7af4fe6-9843-0410-8265-dc069ae4e863>
Wed, 24 Jun 2009 10:29:36 +0000 (10:29 +0000)
committeralla <alla@f7af4fe6-9843-0410-8265-dc069ae4e863>
Wed, 24 Jun 2009 10:29:36 +0000 (10:29 +0000)
T0/AliT0Reconstructor.cxx patch | blob | blame | history

diff --git a/T0/AliT0Reconstructor.cxx b/T0/AliT0Reconstructor.cxx
index 38070173f506a36a3decdffc105b3a76d0b425e7..561f5bc9888c3486b7925610ff25257dec0a9423 100644 (file)
--- a/T0/AliT0Reconstructor.cxx
+++ b/T0/AliT0Reconstructor.cxx
@@ -201,7 +201,8 @@ void AliT0Reconstructor::Reconstruct(TTree*digitsTree, TTree*clustersTree) const
   Float_t c = 0.0299792; // cm/ps
   Float_t vertex = 0;
   if(besttimeA !=999999 && besttimeC != 999999 ){
   Float_t c = 0.0299792; // cm/ps
   Float_t vertex = 0;
   if(besttimeA !=999999 && besttimeC != 999999 ){
-    timeDiff = (besttimeC - besttimeA)*channelWidth;
+    //    timeDiff = (besttimeC - besttimeA)*channelWidth;
+    timeDiff = (besttimeA - besttimeC)*channelWidth;
     meanTime = Float_t((besttimeA + besttimeC)/2);// * channelWidth); 
     //    meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
     vertex = meanVertex - c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2; 
     meanTime = Float_t((besttimeA + besttimeC)/2);// * channelWidth); 
     //    meanTime = (meanT0 - (besttimeA + besttimeC)/2) * channelWidth;
     vertex = meanVertex - c*(timeDiff)/2.;// + (fdZonA - fdZonC)/2; 
@@ -355,7 +356,7 @@ void AliT0Reconstructor::Reconstruct(AliRawReader* rawReader, TTree*recTree) con
        Float_t c = 0.0299792458; // cm/ps
        Float_t vertex = 99999;
        if(besttimeA <9999999 && besttimeC < 9999999 ){
        Float_t c = 0.0299792458; // cm/ps
        Float_t vertex = 99999;
        if(besttimeA <9999999 && besttimeC < 9999999 ){
-        timeDiff = ( besttimeC - besttimeA) *channelWidth;
+        timeDiff = ( besttimeA - besttimeC) *channelWidth;
         meanTime =  Float_t((besttimeA + besttimeC)/2.);  
         onlineMean = onlineMean ;
         vertex =  meanVertex - c*(timeDiff)/2.; //+ (fdZonA - fdZonC)/2; 
         meanTime =  Float_t((besttimeA + besttimeC)/2.);  
         onlineMean = onlineMean ;
         vertex =  meanVertex - c*(timeDiff)/2.; //+ (fdZonA - fdZonC)/2;