#include "AliPHOSPreprocessor.h"
#include "AliLog.h"
#include "AliCDBMetaData.h"
+#include "AliCDBEntry.h"
#include "AliPHOSEmcCalibData.h"
#include "TFile.h"
#include "TH1.h"
+#include "TF1.h"
+#include "TH2.h"
#include "TMap.h"
#include "TRandom.h"
#include "TKey.h"
+#include "TList.h"
+#include "TObjString.h"
+#include "TObjArray.h"
+#include "TObject.h"
+#include "TString.h"
+#include "TMath.h"
+#include "TAxis.h"
+#include "AliPHOSEmcBadChannelsMap.h"
ClassImp(AliPHOSPreprocessor)
+ Double_t rgaus(Double_t *x, Double_t *par)
+{
+ Double_t gaus = par[0] * TMath::Exp( -(x[0]-par[1])*(x[0]-par[1]) /
+ (2*par[2]*par[2]) );
+ return gaus;
+}
+
//_______________________________________________________________________________________
AliPHOSPreprocessor::AliPHOSPreprocessor() :
AliPreprocessor("PHS",0)
AliPreprocessor("PHS",shuttle)
{
// Constructor
+
+ AddRunType("PHYSICS");
+ AddRunType("LED");
}
//_______________________________________________________________________________________
UInt_t AliPHOSPreprocessor::Process(TMap* /*valueSet*/)
{
// process data retrieved by the Shuttle
+
+ TString runType = GetRunType();
+ Log(Form("Run type: %s",runType.Data()));
- // The fileName with the histograms which have been produced by
- // AliPHOSCalibHistoProducer.
- // It is a responsibility of the SHUTTLE framework to form the fileName
+ if(runType=="LED") {
+ Bool_t ledOK = ProcessLEDRun();
+ Bool_t badmap_OK = FindBadChannelsEmc();
+ if(!badmap_OK) Log(Form("WARNING! FindBadChannels() completed with BAD status!"));
+ if(ledOK) return 0;
+ else
+ return 1;
+ }
+
+ if(runType=="PHYSICS") {
+
+ Bool_t calibEmc_OK = CalibrateEmc();
+
+ if(calibEmc_OK) return 0;
+ else
+ return 1;
+ }
- const char* fileName = GetFile(kDAQ, "AMPLITUDES", "GDC");
- AliInfo(Form("Got filename: %s",fileName));
+ Log(Form("Unknown run type %s. Do nothing and return OK.",runType.Data()));
+ return 0;
+
+}
- TFile f(fileName);
- if(!f.IsOpen()) {
- AliInfo(Form("File %s is not opened, something goes wrong!",fileName));
- return 0;
+Bool_t AliPHOSPreprocessor::ProcessLEDRun()
+{
+ //Process LED run, update High Gain/Low Gain ratios.
+
+ AliPHOSEmcCalibData calibData;
+
+ TList* list = GetFileSources(kDAQ, "LED");
+ if(!list) {
+ Log("Sources list for LED run not found, exit.");
+ return kFALSE;
}
- const Int_t nMod=5; // 1:5 modules
- const Int_t nCol=56; //1:56 columns in each module
- const Int_t nRow=64; //1:64 rows in each module
+ if(!list->GetEntries()) {
+ Log("Sources list for LED run is empty, exit.");
+ return kFALSE;
+ }
- Double_t coeff;
- char hnam[80];
- TH1F* histo=0;
+ //Retrieve the last EMC calibration object
+ const AliPHOSEmcCalibData* clb=0;
+ AliCDBEntry* entryCalib = GetFromOCDB("Calib", "EmcGainPedestals");
- //Get the reference histogram
- //(author: Gustavo Conesa Balbastre)
+ if(!entryCalib)
+ Log(Form("Cannot find any AliCDBEntry for [Calib, EmcGainPedestals]!"));
+ else
+ clb = (AliPHOSEmcCalibData*)entryCalib->GetObject();
+
+ TIter iter(list);
+ TObjString *source;
+ Bool_t firedOK = kFALSE;
+
+ while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
+
+ AliInfo(Form("found source %s", source->String().Data()));
- TList * keylist = f.GetListOfKeys();
- Int_t nkeys = f.GetNkeys();
- Bool_t ok = kFALSE;
- TKey *key;
- TString refHistoName= "";
- Int_t ikey = 0;
- Int_t counter = 0;
- TH1F* hRef = 0;
+ TString fileName = GetFile(kDAQ, "LED", source->GetName());
+ AliInfo(Form("Got filename: %s",fileName.Data()));
- //Check if the file contains any histogram
+ TFile f(fileName);
- if(nkeys< 2){
- AliInfo(Form("Not enough histograms (%d) for calibration.",nkeys));
- return 0;
- }
+ if(!f.IsOpen()) {
+ Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
+ return kFALSE;
+ }
+
+ TH1I* fFiredCells = (TH1I*)f.Get("fFiredCells");
+
+ if(!fFiredCells) {
+ Log(Form("fFiredCells histogram not found in %s, skip this source.",fileName.Data()));
+ firedOK=kFALSE;
+ }
+ else {
+ const Double_t nFiredCells = fFiredCells->GetMean();
+ if(nFiredCells>100 && nFiredCells<600) {
+ firedOK = kTRUE;
+ Log(Form("Number of fired cells per event is %d.",nFiredCells));
+ }
+ else {
+ Log(Form("Number of fired cells per event is %d, possibly not a LED run!",nFiredCells));
+ firedOK = kFALSE;
+ }
+
+ }
+
+ const Int_t nMod=5; // 1:5 modules
+ const Int_t nCol=56; //1:56 columns in each module
+ const Int_t nRow=64; //1:64 rows in each module
+
+ for(Int_t mod=0; mod<nMod; mod++) {
+ for(Int_t col=0; col<nCol; col++) {
+ for(Int_t row=0; row<nRow; row++) {
+
+ //High Gain to Low Gain ratio
+ if(firedOK) {
+ Float_t ratio = HG2LG(mod,row,col,&f);
+ calibData.SetHighLowRatioEmc(mod+1,col+1,row+1,ratio);
+ if(ratio != 16.)
+ AliInfo(Form("mod %d iX %d iZ %d ratio %.3f\n",mod,row,col,ratio));
+ }
+
+ if(clb) {
+ Double_t coeff = clb->GetADCchannelEmc(mod+1,col+1,row+1);
+ calibData.SetADCchannelEmc(mod+1,col+1,row+1,coeff);
+ }
+ else
+ calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.005);
+
+ }
+ }
+ }
+
+ } // end of loop over files
- while(!ok){
- ikey = gRandom->Integer(nkeys);
- key = (TKey*)keylist->At(ikey);
- refHistoName = key->GetName();
- hRef = (TH1F*)f.Get(refHistoName);
- counter++;
- // Check if the reference histogram has too little statistics
- if(hRef->GetEntries()>2) ok=kTRUE;
- if(!ok && counter >= nMod*nCol*nRow){
- AliInfo("No histogram with enough statistics for reference.");
- return 0;
+ //Store the updated High Gain/Low Gain ratios
+ AliCDBMetaData emcMetaData;
+
+ //Data valid from current run fRun until updated (validityInfinite=kTRUE)
+ Bool_t result = Store("Calib","EmcGainPedestals",&calibData,&emcMetaData,fRun,kTRUE);
+ return result;
+
+}
+
+Float_t AliPHOSPreprocessor::HG2LG(Int_t mod, Int_t X, Int_t Z, TFile* f)
+{
+ //Calculates High gain to Low gain ratio
+ //for crystal at the position (X,Z) in the PHOS module mod.
+
+ char hname[128];
+ sprintf(hname,"%d_%d_%d",mod,X,Z);
+
+ TH1F* h1 = (TH1F*)f->Get(hname);
+ if(!h1) return 16.;
+
+ if(!h1->GetEntries()) return 16.;
+
+ h1->Rebin(4);
+ if(h1->GetMaximum()<10.) return 16.;
+
+ Double_t max = h1->GetBinCenter(h1->GetMaximumBin()); // peak
+ Double_t xmin = max - (h1->GetRMS()/3);
+ Double_t xmax = max + (h1->GetRMS()/2);
+ // Double_t xmin = max - (h1->GetRMS());
+ // Double_t xmax = max + (h1->GetRMS());
+
+ TF1* gaus1 = new TF1("gaus1",rgaus,xmin,xmax,3);
+ gaus1->SetParNames("Constant","Mean","Sigma");
+ gaus1->SetParameter("Constant",h1->GetMaximum());
+ gaus1->SetParameter("Mean",max);
+ gaus1->SetParameter("Sigma",1.);
+ gaus1->SetLineColor(kBlue);
+ h1->Fit(gaus1,"LERQ+");
+
+ AliInfo(Form("%s: %d entries, mean=%.3f, peak=%.3f, rms= %.3f. HG/LG = %.3f\n",
+ h1->GetTitle(),h1->GetEntries(),h1->GetMean(),max,h1->GetRMS(),
+ gaus1->GetParameter("Mean")));
+
+ return gaus1->GetParameter("Mean");
+
+}
+
+Bool_t AliPHOSPreprocessor::FindBadChannelsEmc()
+{
+ //Loop over two systems: DAQ and HLT.
+ //For each system the same algorithm implemented in DoFindBadChannelsEmc() invokes.
+
+ TList* list=0;
+ TString path;
+
+ Int_t system[2] = { kDAQ, kHLT };
+ const char* sysn[] = { "DAQ","HLT" };
+ Bool_t result[2] = { kTRUE, kTRUE };
+
+ for (Int_t i=0; i<2; i++) {
+
+ AliPHOSEmcBadChannelsMap badMap;
+ list = GetFileSources(system[i], "BAD_CHANNELS");
+
+ if(!list) {
+ Log(Form("%s sources list for BAD_CHANNELS not found!",sysn[i]));
+ result[i] = kFALSE;
+ continue;
}
+
+ if(!list->GetEntries()) {
+ Log(Form("Got empty sources list. It seems %s DA2 did not produce any files!",sysn[i]));
+ result[i] = kFALSE;
+ continue;
+ }
+
+ result[i] *= DoFindBadChannelsEmc(system[i],list,badMap);
+
+ // Store the bad channels map.
+
+ AliCDBMetaData md;
+ md.SetResponsible("Boris Polishchuk");
+
+ if(system[i] == kDAQ)
+ path = "Calib";
+ else
+ path = "HLT";
+
+ // Data valid from current run fRun until being updated (validityInfinite=kTRUE)
+ result[i] *= Store(path.Data(), "EmcBadChannels", &badMap, &md, fRun, kTRUE);
+
}
+
+ if(result[0] || result[1]) return kTRUE;
+ else return kFALSE;
+}
- AliInfo(Form("reference histogram %s, %.1f entries, mean=%.3f, rms=%.3f.",
- hRef->GetName(),hRef->GetEntries(),
- hRef->GetMean(),hRef->GetRMS()));
+Bool_t AliPHOSPreprocessor::DoFindBadChannelsEmc(Int_t system, TList* list, AliPHOSEmcBadChannelsMap& badMap)
+{
+ //Creates the bad channels map for PHOS EMC.
+
+ // The file fileName contains histograms which have been produced by DA2 detector algorithm.
+ // It is a responsibility of the SHUTTLE framework to form the fileName.
+
+ TIter iter(list);
+ TObjString *source;
+ char hnam[80];
+ TH1F* h1=0;
+
+ const Float_t fQualityCut = 1.;
+ Int_t nGoods[5] = {0,0,0,0,0};
+
+ while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
+
+ AliInfo(Form("found source %s", source->String().Data()));
+
+ TString fileName = GetFile(system, "BAD_CHANNELS", source->GetName());
+ AliInfo(Form("Got filename: %s",fileName.Data()));
+
+ TFile f(fileName);
+
+ if(!f.IsOpen()) {
+ Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
+ return kFALSE;
+ }
+
+ TH1I* fFiredCells = (TH1I*)f.Get("fFiredCells");
+
+ if(!fFiredCells) {
+ Log(Form("fFiredCells histogram not found in %s, skip this source.",fileName.Data()));
+ continue;
+ }
+
+ const Double_t nFiredCells = fFiredCells->GetMean();
+
+ if(nFiredCells<100. || nFiredCells>600. ) {
+ Log(Form("Number of fired cells per event is %d, possibly not a LED run!",nFiredCells));
+ continue; // not a LED run!
+ }
+
+ Log(Form("Number of fired cells per event %d. Begin check for bad channels.",nFiredCells));
+
+ for(Int_t mod=0; mod<5; mod++) {
+ for(Int_t iX=0; iX<64; iX++) {
+ for(Int_t iZ=0; iZ<56; iZ++) {
+
+ sprintf(hnam,"%d_%d_%d_%d",mod,iX,iZ,1); // high gain
+ h1 = (TH1F*)f.Get(hnam);
+
+ if(h1) {
+ Double_t mean = h1->GetMean();
+
+ if(mean)
+ Log(Form("iX=%d iZ=%d gain=%d mean=%.3f\n",iX,iZ,1,mean));
+
+ if( mean>0 && mean<fQualityCut ) {
+ nGoods[mod]++;
+ }
+ else
+ badMap.SetBadChannel(mod+1,iZ+1,iX+1); //module, col,row
+ }
- AliPHOSEmcCalibData calibData;
- Double_t refMean=hRef->GetMean();
-
- // Calculates relative calibration coefficients for all non-zero channels
-
- for(Int_t mod=0; mod<nMod; mod++) {
- for(Int_t col=0; col<nCol; col++) {
- for(Int_t row=0; row<nRow; row++) {
- sprintf(hnam,"mod%dcol%drow%d",mod,col,row);
- histo = (TH1F*)f.Get(hnam);
- //TODO: dead channels exclusion!
- if(histo) {
- coeff = histo->GetMean()/refMean;
- calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.001/coeff);
- AliInfo(Form("mod %d col %d row %d coeff %f\n",mod,col,row,coeff));
}
- else
- calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.001);
}
+
+ if(nGoods[mod])
+ Log(Form("Module %d: %d good channels.",mod,nGoods[mod]));
}
+
+
+ } // end of loop over sources
+
+ return kTRUE;
+}
+
+Bool_t AliPHOSPreprocessor::CalibrateEmc()
+{
+ //Loop over two systems: DAQ and HLT.
+ //For each system the same algorithm implemented in DoCalibrateEmc() invokes.
+
+ const AliPHOSEmcBadChannelsMap* badMap=0;
+ AliCDBEntry* entryBCM=0;
+ TList* list=0;
+ TString path;
+
+ Int_t system[2] = { kDAQ, kHLT };
+ const char* sysn[] = { "DAQ","HLT" };
+ Bool_t result[2] = { kTRUE, kTRUE };
+
+ for (Int_t i=0; i<2; i++) {
+
+ AliPHOSEmcCalibData calibData;
+ list = GetFileSources(system[i], "AMPLITUDES");
+
+ if(!list) {
+ Log(Form("%s sources list not found!",sysn[i]));
+ result[i] = kFALSE;
+ continue;
+ }
+
+ if(!list->GetEntries()) {
+ Log(Form("Got empty sources list. It seems %s DA1 did not produce any files!",sysn[i]));
+ result[i] = kFALSE;
+ continue;
+ }
+
+ // Retrieve the Bad Channels Map (BCM)
+
+ if(system[i] == kDAQ)
+ path = "Calib";
+ else
+ path = "HLT";
+
+ entryBCM = GetFromOCDB(path.Data(), "EmcBadChannels");
+
+ if(!entryBCM)
+ Log(Form("WARNING!! Cannot find any AliCDBEntry for [%s, EmcBadChannels]!",path.Data()));
+ else
+ badMap = (AliPHOSEmcBadChannelsMap*)entryBCM->GetObject();
+
+ if(!badMap)
+ Log(Form("WARNING!! Nothing for %s in AliCDBEntry. All cells considered GOOD!",sysn[i]));
+
+ result[i] *= DoCalibrateEmc(system[i],list,badMap,calibData);
+
+ //Store EMC calibration data
+
+ AliCDBMetaData emcMetaData;
+ result[i] *= Store(path.Data(), "EmcGainPedestals", &calibData, &emcMetaData, 0, kTRUE);
+
}
+
+ if(result[0] || result[1]) return kTRUE;
+ else return kFALSE;
+}
- AliCDBMetaData metaData;
- Int_t result = Store("Calib", "EmcData", &calibData, &metaData);
- f.Close();
- return result;
+Bool_t AliPHOSPreprocessor::DoCalibrateEmc(Int_t system, TList* list, const AliPHOSEmcBadChannelsMap* badMap, AliPHOSEmcCalibData& calibData)
+{
+ // Return kTRUE if OK.
+ // I. Calculates the set of calibration coefficients to equalyze the mean energies deposited at high gain.
+ // II. Extracts High_Gain/Low_Gain ratio for each channel.
+
+ // The file fileName contains histograms which have been produced by DA1 detector algorithm.
+ // It is a responsibility of the SHUTTLE framework to form the fileName.
+
+ gRandom->SetSeed(0); //the seed is set to the current machine clock!
+
+ TIter iter(list);
+ TObjString *source;
+
+ while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
+ AliInfo(Form("found source %s", source->String().Data()));
+
+ TString fileName = GetFile(system, "AMPLITUDES", source->GetName());
+ AliInfo(Form("Got filename: %s",fileName.Data()));
+
+ TFile f(fileName);
+
+ if(!f.IsOpen()) {
+ Log(Form("File %s is not opened, something goes wrong!",fileName.Data()));
+ return kFALSE;
+ }
+
+ const Int_t nMod=5; // 1:5 modules
+ const Int_t nCol=56; //1:56 columns in each module
+ const Int_t nRow=64; //1:64 rows in each module
+
+ Double_t coeff;
+ char hnam[80];
+ TH2F* h2=0;
+ TH1D* h1=0;
+
+ //Get the reference histogram
+ //(author: Gustavo Conesa Balbastre)
+
+ TList * keylist = f.GetListOfKeys();
+ Int_t nkeys = f.GetNkeys();
+ Bool_t ok = kFALSE;
+ TKey *key;
+ Int_t ikey = 0;
+ Int_t counter = 0;
+ TH1D* hRef = 0;
+ //Check if the file contains any histogram
+
+ if(nkeys< 2){
+ Log(Form("Not enough histograms (%d) for calibration.",nkeys));
+ return 1; // it's not fatal! May be short run..
+ }
+
+ while(!ok){
+ ikey = gRandom->Integer(nkeys);
+ key = (TKey*)keylist->At(ikey);
+ TObject* obj = f.Get(key->GetName());
+ TString cname(obj->ClassName());
+ if(cname == "TH2F") {
+ h2 = (TH2F*)obj;
+ TString htitl = h2->GetTitle();
+ if(htitl.Contains("and gain 1")) {
+ hRef = h2->ProjectionX();
+ hRef->GetXaxis()->SetRange(10,1000); // to cut off saturation peak and noise
+ // Check if the reference histogram has too little statistics
+ if(hRef->GetMean() && hRef->GetEntries()>2) ok=kTRUE;
+
+ const TString delim = "_";
+ TString str = hRef->GetName();
+ TObjArray* tks = str.Tokenize(delim);
+ const Int_t md = ((TObjString*)tks->At(0))->GetString().Atoi();
+ const Int_t X = ((TObjString*)tks->At(1))->GetString().Atoi();
+ const Int_t Z = ((TObjString*)tks->At(2))->GetString().Atoi();
+
+ if(badMap) {
+ if(badMap->IsBadChannel(md+1,Z+1,X+1)) {
+ AliInfo(Form("Cell mod=%d col=%d row=%d is bad. Histogram %s rejected.",
+ md+1,Z+1,X+1,hRef->GetName()));
+ ok=kFALSE;
+ }
+ }
+
+ }
+ }
+
+ counter++;
+
+ if(!ok && counter > nkeys){
+ Log("No histogram with enough statistics for reference. Exit.");
+ return 1; // Not fatal, just wait..
+ }
+ }
+
+ Log(Form("reference histogram %s, %.1f entries, mean=%.3f, rms=%.3f.",
+ hRef->GetName(),hRef->GetEntries(),
+ hRef->GetMean(),hRef->GetRMS()));
+
+ Double_t refMean=hRef->GetMean();
+
+ // Calculates relative calibration coefficients for all non-zero channels
+
+ for(Int_t mod=0; mod<nMod; mod++) {
+ for(Int_t col=0; col<nCol; col++) {
+ for(Int_t row=0; row<nRow; row++) {
+
+ sprintf(hnam,"%d_%d_%d_1",mod,row,col); // high gain!
+ h2 = (TH2F*)f.Get(hnam);
+
+ //TODO: dead channels exclusion!
+ if(h2) {
+ h1 = h2->ProjectionX();
+ h1->GetXaxis()->SetRange(10,1000); //to cut off saturation peak and noise
+ coeff = h1->GetMean()/refMean;
+ if(coeff>0)
+ calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.005/coeff);
+ else
+ calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.005);
+ AliInfo(Form("mod %d col %d row %d coeff %f\n",mod,col,row,coeff));
+ }
+ else
+ calibData.SetADCchannelEmc(mod+1,col+1,row+1,0.005);
+ }
+ }
+ }
+
+ f.Close();
+ }
+
+ return 1;
}
+
+
+
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