X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=TPC%2FAliTPCseed.cxx;h=3109109ff7a61b71f0e8f0b2923b6c8fc148ffe7;hb=32743cf4287cd34b2f0ce64268bdf3154a0ea133;hp=25f357fe707cd6c4e3fb643e57cc22a7a48bbf47;hpb=5731b051aecc42845a6cbae94820b97948887cb6;p=u%2Fmrichter%2FAliRoot.git

diff --git a/TPC/AliTPCseed.cxx b/TPC/AliTPCseed.cxx
index 25f357fe707..3109109ff7a 100644
--- a/TPC/AliTPCseed.cxx
+++ b/TPC/AliTPCseed.cxx
@@ -30,6 +30,9 @@
 #include "AliTPCcalibDB.h"
 #include "AliTPCParam.h"
 #include "AliMathBase.h"
+#include "AliTPCTransform.h"
+#include "AliSplineFit.h"
+#include "AliCDBManager.h"
 
 
 
@@ -577,26 +580,30 @@ Float_t AliTPCseed::CookdEdx(Double_t low, Double_t up,Int_t i1, Int_t i2, Bool_
   // This funtion calculates dE/dX within the "low" and "up" cuts.
   //-----------------------------------------------------------------
   AliTPCParam *param = AliTPCcalibDB::Instance()->GetParameters();
+  
   Int_t row0 = param->GetNRowLow();
   Int_t row1 = row0+param->GetNRowUp1();
   Int_t row2 = row1+param->GetNRowUp2();
+  const AliTPCRecoParam * recoParam = AliTPCcalibDB::Instance()->GetTransform()->GetCurrentRecoParam();
+  Int_t useTot = 0;
+  if (recoParam) useTot = (recoParam->GetUseTotCharge())? 0:1;
   //
   //
   //
-  fDEDX[0]      = CookdEdxNorm(low,up,0 ,i1  ,i2,  kTRUE,kFALSE,2,0);
-  fDEDX[1]      = CookdEdxNorm(low,up,0 ,0   ,row0,kTRUE,kFALSE,2,0);
-  fDEDX[2]      = CookdEdxNorm(low,up,0 ,row0,row1,kTRUE,kFALSE,2,0);
-  fDEDX[3]      = CookdEdxNorm(low,up,0 ,row1,row2,kTRUE,kFALSE,2,0);
+  fDEDX[0]      = CookdEdxNorm(low,up,useTot ,i1  ,i2,  kTRUE,kFALSE,2,0);
+  fDEDX[1]      = CookdEdxNorm(low,up,useTot ,0   ,row0,kTRUE,kFALSE,2,0);
+  fDEDX[2]      = CookdEdxNorm(low,up,useTot ,row0,row1,kTRUE,kFALSE,2,0);
+  fDEDX[3]      = CookdEdxNorm(low,up,useTot ,row1,row2,kTRUE,kFALSE,2,0);
   //
-  fSDEDX[0]     = CookdEdxNorm(low,up,0 ,i1  ,i2,  kTRUE,kFALSE,2,1);
-  fSDEDX[1]     = CookdEdxNorm(low,up,0 ,0   ,row0,kTRUE,kFALSE,2,1);
-  fSDEDX[2]     = CookdEdxNorm(low,up,0 ,row0,row1,kTRUE,kFALSE,2,1);
-  fSDEDX[3]     = CookdEdxNorm(low,up,0 ,row1,row2,kTRUE,kFALSE,2,1);
+  fSDEDX[0]     = CookdEdxNorm(low,up,useTot ,i1  ,i2,  kTRUE,kFALSE,2,1);
+  fSDEDX[1]     = CookdEdxNorm(low,up,useTot ,0   ,row0,kTRUE,kFALSE,2,1);
+  fSDEDX[2]     = CookdEdxNorm(low,up,useTot ,row0,row1,kTRUE,kFALSE,2,1);
+  fSDEDX[3]     = CookdEdxNorm(low,up,useTot ,row1,row2,kTRUE,kFALSE,2,1);
   //
-  fNCDEDX[0]    = TMath::Nint(CookdEdxNorm(low,up,0 ,i1  ,i2,  kTRUE,kFALSE,2,2));
-  fNCDEDX[1]    = TMath::Nint(CookdEdxNorm(low,up,0 ,0   ,row0,kTRUE,kFALSE,2,2));
-  fNCDEDX[2]    = TMath::Nint(CookdEdxNorm(low,up,0 ,row0,row1,kTRUE,kFALSE,2,2));
-  fNCDEDX[3]    = TMath::Nint(CookdEdxNorm(low,up,0 ,row1,row2,kTRUE,kFALSE,2,2));
+  fNCDEDX[0]    = TMath::Nint(CookdEdxNorm(low,up,useTot ,i1  ,i2,  kTRUE,kFALSE,2,2));
+  fNCDEDX[1]    = TMath::Nint(CookdEdxNorm(low,up,useTot ,0   ,row0,kTRUE,kFALSE,2,2));
+  fNCDEDX[2]    = TMath::Nint(CookdEdxNorm(low,up,useTot ,row0,row1,kTRUE,kFALSE,2,2));
+  fNCDEDX[3]    = TMath::Nint(CookdEdxNorm(low,up,useTot ,row1,row2,kTRUE,kFALSE,2,2));
 
   SetdEdx(fDEDX[0]);
   return fDEDX[0];
@@ -1066,6 +1073,29 @@ Float_t  AliTPCseed::CookdEdxNorm(Double_t low, Double_t up, Int_t type, Int_t i
   }
   Float_t mean =suma/sumn;
   Float_t rms  =TMath::Sqrt(TMath::Abs(suma2/sumn-mean*mean));
+  //
+  // do time-dependent correction for pressure and temperature variations
+  UInt_t runNumber = 1;
+  Float_t corrTimeGain = 1;
+  AliTPCTransform * trans = AliTPCcalibDB::Instance()->GetTransform();
+  if (trans) {
+    runNumber = trans->GetCurrentRunNumber();
+		//AliTPCcalibDB::Instance()->SetRun(runNumber);
+    TObjArray * timeGainSplines = AliTPCcalibDB::Instance()->GetTimeGainSplinesRun(runNumber);
+    if (timeGainSplines) {
+      UInt_t time = trans->GetCurrentTimeStamp();
+      AliSplineFit * fitMIP = (AliSplineFit *) timeGainSplines->At(0);
+      AliSplineFit * fitFPcosmic = (AliSplineFit *) timeGainSplines->At(1);
+      if (fitMIP) {
+	corrTimeGain = fitMIP->Eval(time);
+      } else {
+	if (fitFPcosmic) corrTimeGain = fitFPcosmic->Eval(time); // This value describes the ratio FP-to-MIP, hardwired for the moment
+      }
+    }
+  }
+  mean /= corrTimeGain;
+  rms /= corrTimeGain;
+  //
   if (returnVal==1) return rms;
   if (returnVal==2) return ncl;
   return mean;
@@ -1102,7 +1132,7 @@ Float_t  AliTPCseed::CookdEdxAnalytical(Double_t low, Double_t up, Int_t type, I
   Float_t gainGG      = 1;  // gas gain factor -always enabled
   Float_t gainPad     = 1;  // gain map  - used always
   Float_t corrPos     = 1;  // local position correction - if posNorm enabled
-  Float_t corrNorm    = 1;  // normalization factor - set Q to channel 50
+
   //   
   //
   //
@@ -1203,6 +1233,29 @@ Float_t  AliTPCseed::CookdEdxAnalytical(Double_t low, Double_t up, Int_t type, I
   }
   Float_t mean =suma/sumn;
   Float_t rms  =TMath::Sqrt(TMath::Abs(suma2/sumn-mean*mean));
+  //
+  // do time-dependent correction for pressure and temperature variations
+  UInt_t runNumber = 1;
+  Float_t corrTimeGain = 1;
+  AliTPCTransform * trans = AliTPCcalibDB::Instance()->GetTransform();
+  if (trans) {
+    runNumber = trans->GetCurrentRunNumber();
+    //AliTPCcalibDB::Instance()->SetRun(runNumber);
+    TObjArray * timeGainSplines = AliTPCcalibDB::Instance()->GetTimeGainSplinesRun(runNumber);
+    if (timeGainSplines) {
+      UInt_t time = trans->GetCurrentTimeStamp();
+      AliSplineFit * fitMIP = (AliSplineFit *) timeGainSplines->At(0);
+      AliSplineFit * fitFPcosmic = (AliSplineFit *) timeGainSplines->At(1);
+      if (fitMIP) {
+	corrTimeGain = fitMIP->Eval(time);
+      } else {
+	if (fitFPcosmic) corrTimeGain = fitFPcosmic->Eval(time); // This value describes the ratio FP-to-MIP, hardwired for the moment
+      }
+    }
+  }
+  mean /= corrTimeGain;
+  rms /= corrTimeGain;
+  //
   if (returnVal==1) return rms;
   if (returnVal==2) return ncl;
   return mean;