X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=TPC%2FAliTPCSensorTempArray.cxx;h=b1dda2c40cb8946f05dd1bcefbbbabbc65fa103a;hb=73ce6137cfeffee5a66c4f0bb6480c8969f91431;hp=b661daedb3f25a662c4e168a207c2ad365d54316;hpb=24938b4c192051224fc7c8ac1a0fad71ac659c03;p=u%2Fmrichter%2FAliRoot.git

diff --git a/TPC/AliTPCSensorTempArray.cxx b/TPC/AliTPCSensorTempArray.cxx
index b661daedb3f..b1dda2c40cb 100644
--- a/TPC/AliTPCSensorTempArray.cxx
+++ b/TPC/AliTPCSensorTempArray.cxx
@@ -22,6 +22,11 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 #include "AliTPCSensorTempArray.h"
+#include "TLinearFitter.h"
+#include "TVectorD.h"
+#include "AliLog.h"
+
+
 
 ClassImp(AliTPCSensorTempArray)
 
@@ -51,27 +56,28 @@ AliTPCSensorTempArray::AliTPCSensorTempArray(Int_t run) : AliDCSSensorArray()
 }
 //_____________________________________________________________________________
 AliTPCSensorTempArray::AliTPCSensorTempArray(UInt_t startTime, UInt_t endTime,
-                       TTree* confTree)
+                       TTree* confTree, const TString& amandaString)
              :AliDCSSensorArray()
 {
   //
   // AliTPCSensorTempArray constructor for Shuttle preprocessor 
   //  (confTree read from OCDB)
   //
-  fSensors = AliTPCSensorTemp::ReadTree(confTree);
+  fSensors = AliTPCSensorTemp::ReadTree(confTree,amandaString);
   fSensors->BypassStreamer(kFALSE);
-  fStartTime = TTimeStamp(startTime);
-  fEndTime   = TTimeStamp(endTime);
+  fStartTime = TTimeStamp((time_t)startTime,0);
+  fEndTime   = TTimeStamp((time_t)endTime,0);
 }
 
 //_____________________________________________________________________________
-AliTPCSensorTempArray::AliTPCSensorTempArray(const char *fname) : 
+AliTPCSensorTempArray::AliTPCSensorTempArray(const char *fname,
+                                          const TString& amandaString) :
                                                   AliDCSSensorArray()
 {
   //
   // AliTPCSensorTempArray constructor
   //
-  fSensors = AliTPCSensorTemp::ReadList(fname);
+  fSensors = AliTPCSensorTemp::ReadList(fname,amandaString);
   fSensors->BypassStreamer(kFALSE);
 }
 
@@ -100,28 +106,22 @@ AliTPCSensorTempArray &AliTPCSensorTempArray::operator=(const AliTPCSensorTempAr
   //
   // Assignment operator
   //
-
-  if (this != &c) ((AliTPCSensorTempArray &) c).Copy(*this);
+  if (this != &c) {
+     fSensors->Delete();
+     new (this) AliTPCSensorTempArray(c);
+     fSensors = (TClonesArray*)c.fSensors->Clone();
+  }
   return *this;
-
 }
 
-//_____________________________________________________________________________
-void AliTPCSensorTempArray::Copy(TObject &c) const
-{
-  //
-  // Copy function
-  //
 
-  TObject::Copy(c);
-}
 //_____________________________________________________________________________
-void AliTPCSensorTempArray::ReadSensors(const char *dbEntry) 
+void AliTPCSensorTempArray::ReadSensors(const char *dbEntry)
 {
   //
   // Read list of temperature sensors from text file
   //
-  AliCDBEntry *entry = AliCDBManager::Instance()->Get(dbEntry); 
+  AliCDBEntry *entry = AliCDBManager::Instance()->Get(dbEntry);
   TTree *tree = (TTree*) entry->GetObject();
   fSensors = AliTPCSensorTemp::ReadTree(tree);
 
@@ -153,3 +153,41 @@ AliTPCSensorTemp* AliTPCSensorTempArray::GetSensor(Int_t IdDCS){
 AliTPCSensorTemp* AliTPCSensorTempArray::GetSensor(Double_t x, Double_t y, Double_t z){
   return dynamic_cast<AliTPCSensorTemp*>(AliDCSSensorArray::GetSensor(x,y,z));
 }
+//_____________________________________________________________________________
+
+Double_t AliTPCSensorTempArray::GetTempGradientY(UInt_t timeSec, Int_t side){
+ //
+ // Extract Linear Vertical Temperature Gradient [K/cm] within the TPC on
+ // Shaft Side(A): 0
+ // Muon  Side(C): 1
+ // Values based on TemperatureSensors within the TPC (type: 3(TPC))
+ //
+ // FIXME: Also return residual-distribution, covariance Matrix
+ //        or simply chi2 for validity check?
+ //
+
+ TLinearFitter fitter(3,"x0++x1++x2");
+ TVectorD param(3);
+ Int_t i = 0;
+
+ Int_t nsensors = fSensors->GetEntries();
+ for (Int_t isensor=0; isensor<nsensors; isensor++) { // loop over all sensors
+   AliTPCSensorTemp *entry = (AliTPCSensorTemp*)fSensors->At(isensor);
+
+   if (entry->GetType()==3 && entry->GetSide()==side) { // take SensorType:TPC
+     Double_t x[3];
+     x[0]=1;
+     x[1]=entry->GetX();
+     x[2]=entry->GetY();
+     Double_t y = entry->GetValue(timeSec); // get temperature value
+     fitter.AddPoint(x,y,1); // add values to LinearFitter
+     i++;
+   }
+
+ }
+ fitter.Eval();
+ fitter.GetParameters(param);
+
+ return param[2]; // return vertical (Y) tempGradient
+
+ }