1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
17 ///////////////////////////////////////////////////////////////////////////////
19 // TPC calibration class for parameters which saved per pad //
20 // Authors: Marian Ivanov and Haavard Helstrup //
22 ///////////////////////////////////////////////////////////////////////////////
24 #include "AliTPCSensorTempArray.h"
25 #include "TLinearFitter.h"
28 ClassImp(AliTPCSensorTempArray)
31 //_____________________________________________________________________________
32 AliTPCSensorTempArray::AliTPCSensorTempArray():AliDCSSensorArray()
35 // AliTPCSensorTempArray default constructor
39 //_____________________________________________________________________________
40 AliTPCSensorTempArray::AliTPCSensorTempArray(Int_t run) : AliDCSSensorArray()
43 // Read configuration from OCDB
48 AliCDBManager::Instance()->Get("TPC/Config/Temperature",run);
49 TTree *tree = (TTree*) entry->GetObject();
50 fSensors = AliTPCSensorTemp::ReadTree(tree);
51 fSensors->BypassStreamer(kFALSE);
54 //_____________________________________________________________________________
55 AliTPCSensorTempArray::AliTPCSensorTempArray(UInt_t startTime, UInt_t endTime,
60 // AliTPCSensorTempArray constructor for Shuttle preprocessor
61 // (confTree read from OCDB)
63 fSensors = AliTPCSensorTemp::ReadTree(confTree);
64 fSensors->BypassStreamer(kFALSE);
65 fStartTime = TTimeStamp(startTime);
66 fEndTime = TTimeStamp(endTime);
69 //_____________________________________________________________________________
70 AliTPCSensorTempArray::AliTPCSensorTempArray(const char *fname) :
74 // AliTPCSensorTempArray constructor
76 fSensors = AliTPCSensorTemp::ReadList(fname);
77 fSensors->BypassStreamer(kFALSE);
81 //_____________________________________________________________________________
82 AliTPCSensorTempArray::AliTPCSensorTempArray(const AliTPCSensorTempArray &c):
86 // AliTPCSensorTempArray copy constructor
91 ///_____________________________________________________________________________
92 AliTPCSensorTempArray::~AliTPCSensorTempArray()
95 // AliTPCSensorTempArray destructor
99 //_____________________________________________________________________________
100 AliTPCSensorTempArray &AliTPCSensorTempArray::operator=(const AliTPCSensorTempArray &c)
103 // Assignment operator
106 if (this != &c) ((AliTPCSensorTempArray &) c).Copy(*this);
111 //_____________________________________________________________________________
112 void AliTPCSensorTempArray::Copy(TObject &c) const
120 //_____________________________________________________________________________
121 void AliTPCSensorTempArray::ReadSensors(const char *dbEntry)
124 // Read list of temperature sensors from text file
126 AliCDBEntry *entry = AliCDBManager::Instance()->Get(dbEntry);
127 TTree *tree = (TTree*) entry->GetObject();
128 fSensors = AliTPCSensorTemp::ReadTree(tree);
132 //_____________________________________________________________________________
133 AliTPCSensorTemp* AliTPCSensorTempArray::GetSensor(Int_t type, Int_t side, Int_t sector, Int_t num)
136 // Return sensor information for sensor specified by type, side, sector and num
138 Int_t nsensors = fSensors->GetEntries();
139 for (Int_t isensor=0; isensor<nsensors; isensor++) {
140 AliTPCSensorTemp *entry = (AliTPCSensorTemp*)fSensors->At(isensor);
141 if (entry->GetSide() == side &&
142 entry->GetType() == type &&
143 entry->GetSector() == sector &&
144 entry->GetNum() == num ) return entry;
148 //_____________________________________________________________________________
150 AliTPCSensorTemp* AliTPCSensorTempArray::GetSensor(Int_t IdDCS){
151 return dynamic_cast<AliTPCSensorTemp*>(AliDCSSensorArray::GetSensor(IdDCS));
153 //_____________________________________________________________________________
155 AliTPCSensorTemp* AliTPCSensorTempArray::GetSensor(Double_t x, Double_t y, Double_t z){
156 return dynamic_cast<AliTPCSensorTemp*>(AliDCSSensorArray::GetSensor(x,y,z));
158 //_____________________________________________________________________________
160 Double_t AliTPCSensorTempArray::GetTempGradientY(UInt_t timeSec, Int_t side){
162 // Extract Linear Vertical Temperature Gradient [K/cm] within the TPC on
165 // Values based on TemperatureSensors within the TPC (type: 3(TPC))
167 // FIXME: Also return residual-distribution, covariance Matrix
168 // or simply chi2 for validity check?
171 TLinearFitter fitter(3,"x0++x1++x2");
175 Int_t nsensors = fSensors->GetEntries();
176 for (Int_t isensor=0; isensor<nsensors; isensor++) { // loop over all sensors
177 AliTPCSensorTemp *entry = (AliTPCSensorTemp*)fSensors->At(isensor);
179 if (entry->GetType()==3 && entry->GetSide()==side) { // take SensorType:TPC
184 Double_t y = entry->GetValue(timeSec); // get temperature value
185 fitter.AddPoint(x,y,1); // add values to LinearFitter
191 fitter.GetParameters(param);
193 return param[2]; // return vertical (Y) tempGradient