/////////////////////////////////////////////////////////////////////////////
#include <TMath.h>
+#include <TObjString.h>
+#include <TMap.h>
+#include <TH1F.h>
+#include <TH2F.h>
+#include "AliDCSValue.h"
+#include "AliCDBManager.h"
+#include "AliCDBEntry.h"
#include "AliVZEROCalibData.h"
+#include "AliVZERODataDCS.h"
+#include "AliVZEROConst.h"
+#include "AliLog.h"
ClassImp(AliVZEROCalibData)
//________________________________________________________________
-AliVZEROCalibData::AliVZEROCalibData()
+AliVZEROCalibData::AliVZEROCalibData():
+ fLightYields(NULL),
+ fPMGainsA(NULL),
+ fPMGainsB(NULL)
{
- //
+ // default constructor
+
+ for(int t=0; t<64; t++) {
+ fMeanHV[t] = 100.0;
+ fWidthHV[t] = 0.0;
+ fTimeOffset[t] = 5.0;
+ fTimeGain[t] = 1.0;
+ fDeadChannel[t]= kFALSE;
+ fDiscriThr[t] = 2.5;
+ }
+ for(int t=0; t<128; t++) {
+ fPedestal[t] = 0.0;
+ fSigma[t] = 0.0;
+ fADCmean[t] = 0.0;
+ fADCsigma[t] = 0.0;
+ }
+ for(int i=0; i<kNCIUBoards ;i++) {
+ fTimeResolution[i] = 25./256.; // Default time resolution
+ fWidthResolution[i] = 25./64.; // Default time width resolution
+ fMatchWindow[i] = 4;
+ fSearchWindow[i] = 16;
+ fTriggerCountOffset[i] = 3247;
+ fRollOver[i] = 3563;
+ }
+
}
//________________________________________________________________
}
//________________________________________________________________
-AliVZEROCalibData::AliVZEROCalibData(const char* name)
+AliVZEROCalibData::AliVZEROCalibData(const char* name):
+ fLightYields(NULL),
+ fPMGainsA(NULL),
+ fPMGainsB(NULL)
{
- TString namst = "Calib_";
- namst += name;
- SetName(namst.Data());
- SetTitle(namst.Data());
+ // Constructor
+ TString namst = "Calib_";
+ namst += name;
+ SetName(namst.Data());
+ SetTitle(namst.Data());
+ for(int t=0; t<64; t++) {
+ fMeanHV[t] = 100.0;
+ fWidthHV[t] = 0.0;
+ fTimeOffset[t] = 5.0;
+ fTimeGain[t] = 1.0;
+ fDeadChannel[t]= kFALSE;
+ fDiscriThr[t] = 2.5;
+ }
+ for(int t=0; t<128; t++) {
+ fPedestal[t] = 0.0;
+ fSigma[t] = 0.0;
+ fADCmean[t] = 0.0;
+ fADCsigma[t] = 0.0;
+ }
+ for(int i=0; i<kNCIUBoards ;i++) {
+ fTimeResolution[i] = 25./256.; // Default time resolution in ns / channel
+ fWidthResolution[i] = 25./64.; // Default time width resolution in ns / channel
+ fMatchWindow[i] = 4;
+ fSearchWindow[i] = 16;
+ fTriggerCountOffset[i] = 3247;
+ fRollOver[i] = 3563;
+ }
}
//________________________________________________________________
AliVZEROCalibData::AliVZEROCalibData(const AliVZEROCalibData& calibda) :
- TNamed(calibda)
+ TNamed(calibda),
+ fLightYields(NULL),
+ fPMGainsA(NULL),
+ fPMGainsB(NULL)
{
// copy constructor
fPedestal[t] = calibda.GetPedestal(t);
fSigma[t] = calibda.GetSigma(t);
fADCmean[t] = calibda.GetADCmean(t);
- fADCsigma[t] = calibda.GetADCsigma(t);
- fGain[t] = calibda.GetGain(t); }
+ fADCsigma[t] = calibda.GetADCsigma(t); }
for(int t=0; t<64; t++) {
fMeanHV[t] = calibda.GetMeanHV(t);
fWidthHV[t] = calibda.GetWidthHV(t);
fTimeOffset[t] = calibda.GetTimeOffset(t);
- fTimeGain[t] = calibda.GetTimeGain(t); }
+ fTimeGain[t] = calibda.GetTimeGain(t);
+ fDeadChannel[t] = calibda.IsChannelDead(t);
+ fDiscriThr[t] = calibda.GetDiscriThr(t);
+ }
+
+ for(int i=0; i<kNCIUBoards ;i++) {
+ fTimeResolution[i] = calibda.GetTimeResolution(i);
+ fWidthResolution[i] = calibda.GetWidthResolution(i);
+ fMatchWindow[i] = calibda.GetMatchWindow(i);
+ fSearchWindow[i] = calibda.GetSearchWindow(i);
+ fTriggerCountOffset[i] = calibda.GetTriggerCountOffset(i);
+ fRollOver[i] = calibda.GetRollOver(i);
+ }
}
fPedestal[t] = calibda.GetPedestal(t);
fSigma[t] = calibda.GetSigma(t);
fADCmean[t] = calibda.GetADCmean(t);
- fADCsigma[t] = calibda.GetADCsigma(t);
- fGain[t] = calibda.GetGain(t); }
+ fADCsigma[t] = calibda.GetADCsigma(t); }
for(int t=0; t<64; t++) {
fMeanHV[t] = calibda.GetMeanHV(t);
fWidthHV[t] = calibda.GetWidthHV(t);
fTimeOffset[t] = calibda.GetTimeOffset(t);
- fTimeGain[t] = calibda.GetTimeGain(t); }
+ fTimeGain[t] = calibda.GetTimeGain(t);
+ fDeadChannel[t] = calibda.IsChannelDead(t);
+ fDiscriThr[t] = calibda.GetDiscriThr(t);
+ }
+ for(int i=0; i<kNCIUBoards ;i++) {
+ fTimeResolution[i] = calibda.GetTimeResolution(i);
+ fWidthResolution[i] = calibda.GetWidthResolution(i);
+ fMatchWindow[i] = calibda.GetMatchWindow(i);
+ fSearchWindow[i] = calibda.GetSearchWindow(i);
+ fTriggerCountOffset[i] = calibda.GetTriggerCountOffset(i);
+ fRollOver[i] = calibda.GetRollOver(i);
+ }
return *this;
AliVZEROCalibData::~AliVZEROCalibData()
{
// destructor
+ if (fLightYields)
+ delete [] fLightYields;
+ if (fPMGainsA)
+ delete [] fPMGainsA;
+ if (fPMGainsB)
+ delete [] fPMGainsB;
+}
+//_____________________________________________________________________________
+void AliVZEROCalibData::FillDCSData(AliVZERODataDCS * data){
+ // Set all parameters from the data get by the shuttle
+ TMap * params = data->GetFEEParameters();
+ TIter iter(params);
+ TObjString* aliasName;
+
+ while (( aliasName = (TObjString*) iter.Next() )) {
+ AliDCSValue* aValue = (AliDCSValue*) params->GetValue(aliasName);
+ Int_t val;
+ if(aValue) {
+ val = aValue->GetUInt();
+ AliInfo(Form("%s : %d",aliasName->String().Data(), val));
+ SetParameter(aliasName->String(),val);
+ }
+ }
+
+ SetMeanHV(data->GetMeanHV());
+ SetWidthHV(data->GetWidthHV());
+ SetDeadMap(data->GetDeadMap());
+
+}
+//_____________________________________________________________________________
+void AliVZEROCalibData::SetParameter(TString name, Int_t val){
+ // Set given parameter
+
+ Int_t iBoard = -1;
+ Int_t iChannel = -1;
+
+ TSeqCollection* nameSplit = name.Tokenize("/");
+ TObjString * boardName = (TObjString *)nameSplit->At(2);
+ sscanf(boardName->String().Data(),"CIU%d",&iBoard);
+
+ TString paramName = ((TObjString *)nameSplit->At(3))->String();
+ Char_t channel[2] ; channel[1] = '\0';
+ channel[0] = paramName[paramName.Sizeof()-2];
+ sscanf(channel,"%d",&iChannel);
+
+ if(name.Contains("TimeResolution")) SetTimeResolution((UShort_t) val,iBoard);
+ else if(name.Contains("WidthResolution")) SetWidthResolution((UShort_t) val,iBoard);
+ else if(name.Contains("MatchWindow")) SetMatchWindow((UInt_t) val,iBoard);
+ else if(name.Contains("SearchWindow")) SetSearchWindow((UInt_t) val,iBoard);
+ else if(name.Contains("TriggerCountOffset")) SetTriggerCountOffset((UInt_t) val,iBoard);
+ else if(name.Contains("RollOver")) SetRollOver((UInt_t) val,iBoard);
+ else if(name.Contains("DelayHit")) SetTimeOffset(0.01*(Float_t)val,iBoard,(iChannel-1));
+ else if(name.Contains("DiscriThr")) SetDiscriThr(((Float_t)val-2040.)/112.,iBoard,(iChannel-1));
+ else AliError(Form("No Setter found for FEE parameter : %s",name.Data()));
}
//________________________________________________________________
-void AliVZEROCalibData::SetPedestal(Float_t* Pedestal)
+void AliVZEROCalibData::SetPedestal(const Float_t* Pedestal)
{
if(Pedestal) for(int t=0; t<128; t++) fPedestal[t] = Pedestal[t];
else for(int t=0; t<128; t++) fPedestal[t] = 0.0;
}
//________________________________________________________________
-void AliVZEROCalibData::SetSigma(Float_t* Sigma)
+void AliVZEROCalibData::SetSigma(const Float_t* Sigma)
{
if(Sigma) for(int t=0; t<128; t++) fSigma[t] = Sigma[t];
else for(int t=0; t<128; t++) fSigma[t] = 0.0;
}
//________________________________________________________________
-void AliVZEROCalibData::SetADCmean(Float_t* ADCmean)
+void AliVZEROCalibData::SetADCmean(const Float_t* ADCmean)
{
if(ADCmean) for(int t=0; t<128; t++) fADCmean[t] = ADCmean[t];
else for(int t=0; t<128; t++) fADCmean[t] = 0.0;
}
//________________________________________________________________
-void AliVZEROCalibData::SetADCsigma(Float_t* ADCsigma)
+void AliVZEROCalibData::SetADCsigma(const Float_t* ADCsigma)
{
if(ADCsigma) for(int t=0; t<128; t++) fADCsigma[t] = ADCsigma[t];
else for(int t=0; t<128; t++) fADCsigma[t] = 0.0;
}
//________________________________________________________________
-void AliVZEROCalibData::SetMeanHV(Float_t* MeanHV)
+void AliVZEROCalibData::SetMeanHV(const Float_t* MeanHV)
{
if(MeanHV) for(int t=0; t<64; t++) fMeanHV[t] = MeanHV[t];
else for(int t=0; t<64; t++) fMeanHV[t] = 0.0;
}
//________________________________________________________________
-void AliVZEROCalibData::SetWidthHV(Float_t* WidthHV)
+void AliVZEROCalibData::SetWidthHV(const Float_t* WidthHV)
{
if(WidthHV) for(int t=0; t<64; t++) fWidthHV[t] = WidthHV[t];
else for(int t=0; t<64; t++) fWidthHV[t] = 0.0;
}
//________________________________________________________________
-void AliVZEROCalibData::SetGain(Float_t* Gain)
+void AliVZEROCalibData::SetDeadMap(const Bool_t* deadMap)
+{
+ if(deadMap) for(int t=0; t<64; t++) fDeadChannel[t] = deadMap[t];
+ else for(int t=0; t<64; t++) fDeadChannel[t] = kFALSE;
+}
+
+//________________________________________________________________
+void AliVZEROCalibData::SetTimeOffset(Float_t val, Int_t board, Int_t channel)
{
- if(Gain) for(int t=0; t<128; t++) fGain[t] = Gain[t];
- else for(int t=0; t<128; t++) fGain[t] = 0.0;
+ Int_t ch = AliVZEROCalibData::GetOfflineChannelNumber(board,channel);
+ if(ch >= 0){
+ fTimeOffset[ch]=val;
+ AliInfo(Form("Time offset for channel %d set to %f",ch,fTimeOffset[ch]));
+ }
+ else
+ AliError("Board/Channel numbers are not valid");
}
//________________________________________________________________
-void AliVZEROCalibData::SetTimeOffset(Float_t* TimeOffset)
+void AliVZEROCalibData::SetTimeOffset(const Float_t* TimeOffset)
{
if(TimeOffset) for(int t=0; t<64; t++) fTimeOffset[t] = TimeOffset[t];
- else for(int t=0; t<64; t++) fTimeOffset[t] = 0.0;
+ else for(int t=0; t<64; t++) fTimeOffset[t] = 5.0;
}
//________________________________________________________________
-void AliVZEROCalibData::SetTimeGain(Float_t* TimeGain)
+void AliVZEROCalibData::SetTimeGain(const Float_t* TimeGain)
{
if(TimeGain) for(int t=0; t<64; t++) fTimeGain[t] = TimeGain[t];
else for(int t=0; t<64; t++) fTimeGain[t] = 0.0;
}
//_____________________________________________________________________________
-Float_t AliVZEROCalibData::GetMIPperADC(Int_t channel) const {
+Float_t AliVZEROCalibData::GetMIPperADC(Int_t channel) {
// Computes the MIP conversion factor - MIP per ADC channel -
// Argument passed is the PM number (aliroot numbering)
- Float_t P0[64] = {
- 7.094891, 7.124938, 7.089708, 7.098169, 7.094482, 7.147250, 7.170978, 7.183392,
- 7.145760, 7.148096, 7.153840, 7.143544, 7.186069, 7.194580, 7.203516, 7.195176,
- 7.188333, 7.198607, 7.209412, 7.226565, 7.221695, 7.205132, 7.191238, 7.227724,
- 7.232810, 7.252655, 7.230309, 7.273518, 7.273518, 7.242969, 7.252859, 7.252655,
- 7.026802, 7.079913, 7.134147, 7.092387, 7.079561, 7.072848, 7.123192, 7.003141,
- 7.024667, 7.124784, 7.123442, 7.129744, 7.110671, 7.143031, 7.139439, 7.178109,
- 7.247803, 7.139396, 7.293809, 7.094454, 6.992198, 7.206448, 7.244765, 7.056197,
- 7.263595, 7.138569, 7.089582, 7.215683, 7.266183, 7.165123, 7.243276, 7.235135 };
- Float_t P1[64] = {
- 0.135569, 0.146405, 0.142425, 0.144278, 0.142307, 0.141648, 0.128477, 0.138239,
- 0.144173, 0.143419, 0.143572, 0.144482, 0.138024, 0.136542, 0.135955, 0.138537,
- 0.148521, 0.141999, 0.139627, 0.130014, 0.134970, 0.135635, 0.139094, 0.140634,
- 0.137971, 0.142080, 0.142793, 0.142778, 0.142778, 0.146045, 0.139133, 0.142080,
- 0.144121, 0.142311, 0.136564, 0.142686, 0.138792, 0.166285, 0.136387, 0.155391,
- 0.176082, 0.140408, 0.164738, 0.144270, 0.142766, 0.147486, 0.141951, 0.138012,
- 0.132394, 0.142849, 0.140477, 0.144592, 0.141558, 0.157646, 0.143758, 0.173385,
- 0.146489, 0.143279, 0.145230, 0.147203, 0.147333, 0.144979, 0.148597, 0.138985 };
+ Float_t nPhPerMIP = (channel < 32) ? 6950 : 33690;
+ return 1./(nPhPerMIP*GetLightYields(channel)*0.18*TMath::Qe()*GetGain(channel)/kChargePerADC);
- // High Voltage retrieval from Calibration Data Base:
- Float_t HV = fMeanHV[channel];
- Float_t MIP = 0.5/TMath::Exp((TMath::Log(HV) - P0[channel] )/P1[channel]);
- return MIP;
+}
+
+//________________________________________________________________
+Float_t AliVZEROCalibData::GetGain(Int_t channel)
+{
+ // Computes the PM gains
+ // Argument passed is the PM number (aliroot numbering)
+ if (!fPMGainsA) InitPMGains();
+
+ // High Voltage retrieval from Calibration Data Base:
+ Float_t hv = fMeanHV[channel];
+ Float_t gain = 0;
+ if (hv>0)
+ gain = TMath::Exp(fPMGainsA[channel]+fPMGainsB[channel]*TMath::Log(hv));
+ return gain;
+}
+
+//________________________________________________________________
+void AliVZEROCalibData::SetTimeResolution(UShort_t *resols){
+ // Set Time Resolution of the TDC
+ if(resols) for(int t=0; t<kNCIUBoards; t++) SetTimeResolution(resols[t],t);
+ else AliError("Time Resolution not defined.");
}
+//________________________________________________________________
+void AliVZEROCalibData::SetTimeResolution(UShort_t resol, Int_t board)
+{
+ // Set Time Resolution of the TDC
+ if((board>=0) && (board<kNCIUBoards)) {
+ switch(resol){
+ case 0:
+ fTimeResolution[board] = 25./256.;
+ break;
+ case 1:
+ fTimeResolution[board] = 25./128.;
+ break;
+ case 2:
+ fTimeResolution[board] = 25./64.;
+ break;
+ case 3:
+ fTimeResolution[board] = 25./32.;
+ break;
+ case 4:
+ fTimeResolution[board] = 25./16.;
+ break;
+ case 5:
+ fTimeResolution[board] = 25./8.;
+ break;
+ case 6:
+ fTimeResolution[board] = 6.25;
+ break;
+ case 7:
+ fTimeResolution[board] = 12.5;
+ break;
+ }
+ AliInfo(Form("Time Resolution of board %d set to %f",board,fTimeResolution[board]));
+ } else AliError(Form("Board %d is not valid",board));
+}
+//________________________________________________________________
+void AliVZEROCalibData::SetWidthResolution(UShort_t *resols){
+ // Set Time Width Resolution of the TDC
+ if(resols) for(int t=0; t<kNCIUBoards; t++) SetWidthResolution(resols[t],t);
+ else AliError("Width Resolution not defined.");
+
+}
+//________________________________________________________________
+void AliVZEROCalibData::SetWidthResolution(UShort_t resol, Int_t board)
+{
+ // Set Time Width Resolution of the TDC
+ if((board>=0) && (board<kNCIUBoards)){
+ switch(resol){
+ case 0:
+ fWidthResolution[board] = 25./256.;
+ break;
+ case 1:
+ fWidthResolution[board] = 25./128.;
+ break;
+ case 2:
+ fWidthResolution[board] = 25./64.;
+ break;
+ case 3:
+ fWidthResolution[board] = 25./32.;
+ break;
+ case 4:
+ fWidthResolution[board] = 25./16.;
+ break;
+ case 5:
+ fWidthResolution[board] = 25./8.;
+ break;
+ case 6:
+ fWidthResolution[board] = 6.25;
+ break;
+ case 7:
+ fWidthResolution[board] = 12.5;
+ break;
+ case 8:
+ fWidthResolution[board] = 25.;
+ break;
+ case 9:
+ fWidthResolution[board] = 50.;
+ break;
+ case 10:
+ fWidthResolution[board] = 100.;
+ break;
+ case 11:
+ fWidthResolution[board] = 200.;
+ break;
+ case 12:
+ fWidthResolution[board] = 400.;
+ break;
+ case 13:
+ fWidthResolution[board] = 800.;
+ break;
+
+ }
+ AliInfo(Form("Width Resolution of board %d set to %f",board,fWidthResolution[board]));
+ }else AliError(Form("Board %d is not valid",board));
+}
+
+//________________________________________________________________
+void AliVZEROCalibData::SetMatchWindow(UInt_t *windows)
+{
+ // Set Match window of the HPTDC
+ // The units are 25ns
+ if(windows) for(Int_t b=0; b<kNCIUBoards; b++) SetMatchWindow(windows[b],b);
+ else AliError("Match windows not defined.");
+}
+
+//________________________________________________________________
+void AliVZEROCalibData::SetMatchWindow(UInt_t window, Int_t board)
+{
+ // Set Match window of the HPTDC
+ // The units are 25ns
+ if((board>=0) && (board<kNCIUBoards)){
+ fMatchWindow[board] = window;
+ AliInfo(Form("Match window of board %d set to %d",board,fMatchWindow[board]));
+ }
+ else
+ AliError(Form("Board %d is not valid",board));
+}
+//________________________________________________________________
+void AliVZEROCalibData::SetSearchWindow(UInt_t *windows)
+{
+ // Set Search window of the HPTDC
+ // The units are 25ns
+ if(windows) for(Int_t b=0; b<kNCIUBoards; b++) SetSearchWindow(windows[b],b);
+ else AliError("Search windows not defined.");
+}
+
+//________________________________________________________________
+void AliVZEROCalibData::SetSearchWindow(UInt_t window, Int_t board)
+{
+ // Set Search window of the HPTDC
+ // The units are 25ns
+ if((board>=0) && (board<kNCIUBoards)){
+ fSearchWindow[board] = window;
+ AliInfo(Form("Search window of board %d set to %d",board,fSearchWindow[board]));
+ }
+ else
+ AliError(Form("Board %d is not valid",board));
+}
+
+//________________________________________________________________
+void AliVZEROCalibData::SetTriggerCountOffset(UInt_t *offsets)
+{
+ // Set trigger-count offset of the HPTDC
+ // The units are 25ns
+ if(offsets) for(Int_t b=0; b<kNCIUBoards; b++) SetTriggerCountOffset(offsets[b],b);
+ else AliError("Trigger count offsets not defined.");
+}
+
+//________________________________________________________________
+void AliVZEROCalibData::SetTriggerCountOffset(UInt_t offset, Int_t board)
+{
+ // Set trigger-count offsets of the HPTDC
+ // The units are 25ns
+ if((board>=0) && (board<kNCIUBoards)){
+ fTriggerCountOffset[board] = offset;
+ AliInfo(Form("Trigger-count offset of board %d set to %d",board,fTriggerCountOffset[board]));
+ }
+ else
+ AliError(Form("Board %d is not valid",board));
+}
+
+//________________________________________________________________
+void AliVZEROCalibData::SetRollOver(UInt_t *offsets)
+{
+ // Set Roll-over of the HPTDC
+ // The units are 25ns
+ if(offsets) for(Int_t b=0; b<kNCIUBoards; b++) SetRollOver(offsets[b],b);
+ else AliError("Roll-over offsets not defined.");
+}
+
+//________________________________________________________________
+void AliVZEROCalibData::SetRollOver(UInt_t offset, Int_t board)
+{
+ // Set Roll-over of the HPTDC
+ // The units are 25ns
+ if((board>=0) && (board<kNCIUBoards)){
+ fRollOver[board] = offset;
+ AliInfo(Form("Roll-over offset of board %d set to %d",board,fRollOver[board]));
+ }
+ else
+ AliError(Form("Board %d is not valid",board));
+}
+
+//________________________________________________________________
+void AliVZEROCalibData::SetDiscriThr(Float_t thr, Int_t board, Int_t channel)
+{
+ // Set the TDC discriminator
+ // threshold values expressed in units of ADC
+ Int_t ch = AliVZEROCalibData::GetOfflineChannelNumber(board,channel);
+ if(ch >= 0){
+ if (thr > 0) {
+ fDiscriThr[ch]=thr;
+ AliInfo(Form("Discriminator threshold for channel %d set to %f",ch,fDiscriThr[ch]));
+ }
+ else {
+ AliWarning(Form("Ignore wrong threshold value (%f) for channel %d !",thr,ch));
+ }
+ }
+ else
+ AliError("Board/Channel numbers are not valid");
+}
+
+//________________________________________________________________
+void AliVZEROCalibData::SetDiscriThr(const Float_t* thresholds)
+{
+ // Set the TDC discriminator
+ // threshold values expressed in units of ADC
+ if(thresholds) for(int t=0; t<64; t++) fDiscriThr[t] = thresholds[t];
+ else for(int t=0; t<64; t++) fDiscriThr[t] = 2.5;
+}
+
+Int_t AliVZEROCalibData::GetOfflineChannelNumber(Int_t board, Int_t channel)
+{
+ // Get the offline channel number from
+ // the FEE board and channel indexes
+
+ if (board < 0 || board >= 8) {
+ AliErrorClass(Form("Wrong FEE board number: %d",board));
+ return -1;
+ }
+ if (channel < 0 || channel >= 8) {
+ AliErrorClass(Form("Wrong FEE channel number: %d",channel));
+ return -1;
+ }
+
+ Int_t offCh = (board < 4) ? (8 * board + 32) : (8 * board -32);
+ offCh += (7 - channel);
+
+ return offCh;
+}
+
+Int_t AliVZEROCalibData::GetBoardNumber(Int_t channel)
+{
+ // Get FEE board number
+ // from offline channel index
+ if (channel >= 0 && channel < 32) return (channel / 8 + 4);
+ if (channel >=32 && channel < 64) return (channel / 8 - 4);
+
+ AliErrorClass(Form("Wrong channel index: %d",channel));
+ return -1;
+}
+
+Int_t AliVZEROCalibData::GetFEEChannelNumber(Int_t channel)
+{
+ // Get FEE channel number
+ // from offline channel index
+ if (channel >= 0 && channel < 64) return (7 - (channel % 8));
+
+ AliErrorClass(Form("Wrong channel index: %d",channel));
+ return -1;
+}
+
+Float_t AliVZEROCalibData::GetLightYields(Int_t channel)
+{
+ // Get the light yield efficiency
+ // for a given channel
+ if (!fLightYields) InitLightYields();
+
+ if (channel >= 0 && channel < 64) {
+ return fLightYields[channel];
+ }
+
+ AliError(Form("Wrong channel index: %d",channel));
+ return 0;
+}
+
+void AliVZEROCalibData::InitLightYields()
+{
+ // Initialize the light yield factors
+ // Read from a separate OCDB entry
+ if (fLightYields) return;
+
+ AliCDBEntry *entry = AliCDBManager::Instance()->Get("VZERO/Calib/LightYields");
+ if (!entry) AliFatal("VZERO light yields are not found in OCDB !");
+ TH1F *yields = (TH1F*)entry->GetObject();
+
+ fLightYields = new Float_t[64];
+ for(Int_t i = 0 ; i < 64; ++i) {
+ fLightYields[i] = yields->GetBinContent(i+1);
+ }
+}
+
+void AliVZEROCalibData::InitPMGains()
+{
+ // Initialize the PM gain factors
+ // Read from a separate OCDB entry
+ if (fPMGainsA) return;
+
+ AliCDBEntry *entry = AliCDBManager::Instance()->Get("VZERO/Calib/PMGains");
+ if (!entry) AliFatal("VZERO PM gains are not found in OCDB !");
+ TH2F *gains = (TH2F*)entry->GetObject();
+
+ fPMGainsA = new Float_t[64];
+ fPMGainsB = new Float_t[64];
+ for(Int_t i = 0 ; i < 64; ++i) {
+ fPMGainsA[i] = gains->GetBinContent(i+1,1);
+ fPMGainsB[i] = gains->GetBinContent(i+1,2);
+ }
+}
+
+Float_t AliVZEROCalibData::GetCalibDiscriThr(Int_t channel, Bool_t scaled)
+{
+ // The method returns actual TDC discri threshold
+ // extracted from the data.
+ //
+ // In case scaled flag is set the threshold is scaled
+ // so that to get 4.0 for a FEE threshold of 4.0.
+ // In this way we avoid a change in the slewing correction
+ // for the entire 2010 p-p data.
+ //
+ // The method is to be moved to OCDB object.
+
+ Float_t thr = GetDiscriThr(channel);
+
+ Float_t calThr = 0;
+ if (thr <= 1.)
+ calThr = 3.1;
+ else if (thr >= 2.)
+ calThr = (3.1+1.15*thr-1.7);
+ else
+ calThr = (3.1-0.3*thr+0.3*thr*thr);
+
+ if (scaled) calThr *= 4./(3.1+1.15*4.-1.7);
+
+ return calThr;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff