1 /**************************************************************************
2 * Copyright(c) 2004, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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8 * documentation strictly for non-commercial purposes is hereby granted *
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12 * about the suitability of this software for any purpose. It is *
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14 **************************************************************************/
16 /** @file AliFMDPedestalDA.cxx
17 @author Hans Hjersing Dalsgaard <canute@nbi.dk>
18 @date Mon Mar 10 09:46:05 2008
19 @brief Derived class for the pedestal detector algorithm.
22 // This class implements the virtual functions of the AliFMDBaseDA
23 // class. The most important of these functions, FillChannels(..) and
24 // Analyse(...) collect and analyse the data of each channel. The
25 // resulting pedestal and noise values are written to a comma
26 // separated values (csv) file on the go. The csv files produced in
27 // this way are the basic input to the AliFMDPreprocessor.
30 #include "AliFMDPedestalDA.h"
31 #include "AliFMDAltroMapping.h"
43 //_____________________________________________________________________
44 ClassImp(AliFMDPedestalDA)
46 //_____________________________________________________________________
47 AliFMDPedestalDA::AliFMDPedestalDA()
50 fPedSummary("PedestalSummary","pedestals",51200,0,51200),
51 fNoiseSummary("NoiseSummary","noise",51200,0,51200),
55 fMinTimebin(3 * 4 * 3 * 16), // 3 ddls, 4 FECs, 3 Altros, 16 channels
56 fMaxTimebin(3 * 4 * 3 * 16), // 3 ddls, 4 FECs, 3 Altros, 16 channels
63 // Default constructor
64 Rotate("peds.csv", 3);
65 fOutputFile.open("peds.csv");
66 Rotate("ddl3072.csv", 10);
67 fZSfileFMD1.open("ddl3072.csv");
68 Rotate("ddl3073.csv", 10);
69 fZSfileFMD2.open("ddl3073.csv");
70 Rotate("ddl3074.csv", 10);
71 fZSfileFMD3.open("ddl3074.csv");
74 //_____________________________________________________________________
75 AliFMDPedestalDA::AliFMDPedestalDA(const AliFMDPedestalDA & pedDA) :
78 fPedSummary("PedestalSummary","pedestals",51200,0,51200),
79 fNoiseSummary("NoiseSummary","noise",51200,0,51200),
83 fMinTimebin(pedDA.fMinTimebin),
84 fMaxTimebin(pedDA.fMaxTimebin),
85 fSummaryFMD1i(pedDA.fSummaryFMD1i),
86 fSummaryFMD2i(pedDA.fSummaryFMD2i),
87 fSummaryFMD2o(pedDA.fSummaryFMD2o),
88 fSummaryFMD3i(pedDA.fSummaryFMD3i),
89 fSummaryFMD3o(pedDA.fSummaryFMD3o)
94 //_____________________________________________________________________
95 AliFMDPedestalDA::~AliFMDPedestalDA()
100 //_____________________________________________________________________
101 void AliFMDPedestalDA::Init()
104 SetRequiredEvents(1000);
105 fMinTimebin.Reset(1024);
106 fMaxTimebin.Reset(-1);
111 //_____________________________________________________________________
112 void AliFMDPedestalDA::AddChannelContainer(TObjArray* sectorArray,
118 // Add a channel to the containers.
121 // sectorArray Array of sectors
126 AliFMDParameters* pars = AliFMDParameters::Instance();
127 UInt_t samples = pars->GetSampleRate(det, ring, sec, strip);
128 TObjArray* sampleArray = new TObjArray(samples);
129 sampleArray->SetOwner();
130 for (UInt_t sample = 0; sample < samples; sample++) {
131 TString name(Form("FMD%d%c[%02d,%03d]_%d", det,ring,sec,strip,sample));
132 TH1S* hSample = new TH1S(name.Data(),name.Data(), 1024,-.5,1023.5);
133 hSample->SetXTitle("ADC");
134 hSample->SetYTitle("Events");
135 hSample->SetDirectory(0);
136 sampleArray->AddAt(hSample, sample);
138 sectorArray->AddAtAndExpand(sampleArray, strip);
141 //_____________________________________________________________________
142 void AliFMDPedestalDA::FillChannels(AliFMDDigit* digit)
144 // Fill ADC values from a digit into the corresponding histogram.
147 // digit Digit to fill ADC values for.
148 UShort_t det = digit->Detector();
149 Char_t ring = digit->Ring();
150 UShort_t sec = digit->Sector();
151 UShort_t strip = digit->Strip();
153 AliFMDParameters* pars = AliFMDParameters::Instance();
154 UInt_t samples = pars->GetSampleRate(det, ring, sec, strip);
155 for (UInt_t sample = 0; sample < samples; sample++) {
156 TH1S* hSample = GetChannel(det, ring, sec, strip, sample);
157 hSample->Fill(digit->Count(sample));
162 //_____________________________________________________________________
163 void AliFMDPedestalDA::MakeSummary(UShort_t det, Char_t ring)
165 //Create summary hists for FMD pedestals
166 std::cout << "Making summary for FMD" << det << ring << " ..." << std::endl;
169 fSummaryFMD1i = MakeSummaryHistogram("ped", "Pedestals", det, ring);
174 fSummaryFMD2i = MakeSummaryHistogram("ped", "Pedestals", det, ring);
177 fSummaryFMD2o = MakeSummaryHistogram("ped", "Pedestals", det, ring);
184 fSummaryFMD3i = MakeSummaryHistogram("ped", "Pedestals", det, ring);
187 fSummaryFMD3o = MakeSummaryHistogram("ped", "Pedestals", det, ring);
194 //_____________________________________________________________________
195 void AliFMDPedestalDA::Analyse(UShort_t det,
200 // Analyse a strip. That is, compute the mean and spread of the ADC
201 // spectra for all strips. Also output on files the values.
208 AliFMDParameters* pars = AliFMDParameters::Instance();
211 case 1: summary = fSummaryFMD1i; break;
214 case 'I': summary = fSummaryFMD2i; break;
215 case 'O': summary = fSummaryFMD2o; break;
220 case 'I': summary = fSummaryFMD3i; break;
221 case 'O': summary = fSummaryFMD3o; break;
225 static bool first = true;
226 if (summary && first) {
227 std::cout << "Filling summary " << summary->GetName() << std::endl;
231 // Float_t factor = pars->GetPedestalFactor();
232 UInt_t samples = pars->GetSampleRate(det, ring, sec, strip);
233 for (UShort_t sample = 0; sample < samples; sample++) {
235 TH1S* hChannel = GetChannel(det, ring, sec, strip,sample);
236 if(hChannel->GetEntries() == 0) {
237 //AliWarning(Form("No entries for FMD%d%c, sector %d, strip %d",
238 // det,ring,sec,strip));
242 AliDebug(50, Form("Fitting FMD%d%c[%02d,%03d] with %d entries",
243 det,ring,sec,strip, int(hChannel->GetEntries())));
244 TF1 fitFunc("fitFunc","gausn",0,300);
245 fitFunc.SetParameters(100,100,1);
246 hChannel->Fit("fitFunc","Q0+","",10,200);
248 Float_t mean = hChannel->GetMean();
249 Float_t rms = hChannel->GetRMS();
253 hChannel->GetXaxis()->SetRangeUser(mean-5*rms,mean+5*rms);
255 mean = hChannel->GetMean();
256 rms = hChannel->GetRMS();
259 UShort_t ddl, board, altro, channel;
262 pars->Detector2Hardware(det,ring,sec,strip,sample,
263 ddl,board,altro,channel,timebin);
264 Int_t idx = HWIndex(ddl, board, altro, channel);
266 fMinTimebin[idx] = TMath::Min(Short_t(timebin), fMinTimebin[idx]);
267 fMaxTimebin[idx] = TMath::Max(Short_t(timebin+1), fMaxTimebin[idx]);
270 std::ostream* zsFile = 0;
272 case 1: zsFile = &fZSfileFMD1; break;
273 case 2: zsFile = &fZSfileFMD2; break;
274 case 3: zsFile = &fZSfileFMD3; break;
275 default: AliWarning("Unknown sample!"); break;
278 *zsFile << board << ','
289 chi2ndf = fitFunc.GetChisquare() / fitFunc.GetNDF();
292 Int_t sampleToWrite = 2;
293 if (samples == 2) sampleToWrite = 1;
294 else if (samples < 2) sampleToWrite = 0;
296 if(sample != sampleToWrite) continue;
299 fOutputFile << det << ','
305 << fitFunc.GetParameter(1) << ','
306 << fitFunc.GetParameter(2) << ','
310 Int_t bin = summary->FindBin(sec, strip);
311 summary->SetBinContent(bin, mean);
312 summary->SetBinError(bin, rms);
315 if(fSaveHistograms ) {
316 gDirectory->cd(GetSectorPath(det, ring, sec, kTRUE));
317 TH1F* sumPed = dynamic_cast<TH1F*>(gDirectory->Get("Pedestals"));
318 TH1F* sumNoise = dynamic_cast<TH1F*>(gDirectory->Get("Noise"));
319 Int_t nStr = (ring == 'I' ? 512 : 256);
321 sumPed = new TH1F("Pedestals",
322 Form("Summary of pedestals in FMD%d%c[%02d]",
325 sumPed->SetXTitle("Strip");
326 sumPed->SetYTitle("Pedestal [ADC]");
327 sumPed->SetDirectory(gDirectory);
330 sumNoise = new TH1F("Noise",
331 Form("Summary of noise in FMD%d%c[%02d]",
334 sumNoise->SetXTitle("Strip");
335 sumNoise->SetYTitle("Noise [ADC]");
337 sumNoise->SetDirectory(gDirectory);
339 sumPed->SetBinContent(strip+1, mean);
340 sumPed->SetBinError(strip+1, rms);
341 sumNoise->SetBinContent(strip+1, rms);
343 if(sumNoise->GetEntries() == nStr)
344 sumNoise->Write(sumNoise->GetName(),TObject::kOverwrite);
345 if(sumPed->GetEntries() == nStr)
346 sumPed->Write(sumPed->GetName(),TObject::kOverwrite);
348 fPedSummary.SetBinContent(fCurrentChannel,mean);
350 fNoiseSummary.SetBinContent(fCurrentChannel,rms);
353 gDirectory->cd(GetStripPath(det, ring, sec, strip, kTRUE));
354 hChannel->GetXaxis()->SetRange(1,1024);
361 //_____________________________________________________________________
362 void AliFMDPedestalDA::Terminate(TFile* diagFile)
364 // Called at the end of a job. Fills in missing time-bins and
365 // closes output files
366 if(fSaveHistograms) {
370 fNoiseSummary.Write();
372 AliFMDAltroMapping* map = AliFMDParameters::Instance()->GetAltroMap();
373 for (Int_t i = 0; i < 3; i++) {
374 std::ofstream& out = (i == 0 ? fZSfileFMD1 :
375 i == 1 ? fZSfileFMD2 :
377 if (out.is_open() && fSeenDetectors[i]) {
378 FillinTimebins(out, map->Detector2DDL(i+1));
380 if (!fSeenDetectors[i]) {
381 TString n(Form("ddl%d.csv",3072+map->Detector2DDL(i+1)));
382 gSystem->Unlink(n.Data());
388 //_____________________________________________________________________
389 void AliFMDPedestalDA::FillinTimebins(std::ofstream& out, UShort_t /*ddl*/)
392 // Fill missing timebins
395 unsigned short boards[] = { 0x0, 0x1, 0x10, 0x11, 0xFFFF };
396 unsigned short* board = boards;
397 while ((*boards) != 0xFFFF) {
398 for (UShort_t altro = 0; altro < 3; altro++) {
399 for (UShort_t channel = 0; channel < 16; channel++) {
400 Int_t idx = HWIndex(ddl, *board, altro, channel);
402 AliWarning(Form("Invalid index for %4d/0x%02x/0x%x/0x%x: %d",
403 ddl, *board, altro, channel, idx));
406 Short_t min = fMinTimebin[idx];
407 Short_t max = fMaxTimebin[idx];
409 // Channel not seen at all.
410 if (min > 1023 || max < 0) continue;
412 out << "# Extra timebins for 0x" << std::hex
413 << board << ',' << altro << ',' << channel
414 << " got time-bins " << min << " to " << max-1
415 << std::dec << std::endl;
417 for (UShort_t t = 15; t < min; t++)
418 // Write a phony line
419 out << board << "," << altro << "," << channel << ","
420 << t << "," << 1023 << "," << 0 << std::endl;
422 for (UShort_t t = max; t < 1024; t++)
423 // Write a phony line
424 out << board << "," << altro << "," << channel << ","
425 << t << "," << 1023 << "," << 0 << std::endl;
429 // Write trailer, and close
431 out.write("# EOF\n", 6);
435 //_____________________________________________________________________
436 void AliFMDPedestalDA::WriteHeaderToFile()
439 // Write headers to output files
441 AliFMDParameters* pars = AliFMDParameters::Instance();
442 fOutputFile.write(Form("# %s \n",pars->GetPedestalShuttleID()),13);
444 fOutputFile << "# This file created from run # " << fRunno
445 << " @ " << now.AsString() << std::endl;
446 fOutputFile.write("# Detector, "
456 std::ostream* zss[] = { &fZSfileFMD1, &fZSfileFMD2, &fZSfileFMD3, 0 };
457 for (size_t i = 0; i < 3; i++) {
458 *(zss[i]) << "# FMD " << (i+1) << " pedestals \n"
465 *(zss[i]) << "# This file created from run # " << fRunno
466 << " @ " << now.AsString() << std::endl;
470 //_____________________________________________________________________
471 TH1S* AliFMDPedestalDA::GetChannel(UShort_t det,
477 // Get the histogram corresponding to a strip sample.
487 // ADC spectra of a strip.
488 UShort_t iring = (ring == 'O' ? 0 : 1);
489 TObjArray* detArray = static_cast<TObjArray*>(fDetectorArray.At(det));
490 TObjArray* ringArray = static_cast<TObjArray*>(detArray->At(iring));
491 TObjArray* secArray = static_cast<TObjArray*>(ringArray->At(sec));
492 TObjArray* sampleArray = static_cast<TObjArray*>(secArray->At(strip));
493 TH1S* hSample = static_cast<TH1S*>(sampleArray->At(sample));
498 //_____________________________________________________________________