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 **************************************************************************/
18 ////////////////////////////////////////////////////////////////////////////
20 // This class is a first implementation for the TRD. //
21 // It takes data from HLT and computes the parameters //
22 // and stores both reference data and online calibration //
23 // parameters in the CDB //
26 // R. Bailhache (R.Bailhache@gsi.de) //
28 ////////////////////////////////////////////////////////////////////////////
30 #include "AliTRDPreprocessor.h"
32 #include <TTimeStamp.h>
34 #include <TProfile2D.h>
36 #include <TStopwatch.h>
37 #include <TObjString.h>
40 #include <TCollection.h>
42 #include "AliCDBMetaData.h"
43 #include "AliDCSValue.h"
46 #include "AliTRDCalibraFit.h"
47 #include "AliTRDCalibraMode.h"
48 #include "Cal/AliTRDCalDet.h"
50 ClassImp(AliTRDPreprocessor)
52 //______________________________________________________________________________________________
53 AliTRDPreprocessor::AliTRDPreprocessor(AliShuttleInterface *shuttle)
54 :AliPreprocessor("TRD", shuttle)
62 //______________________________________________________________________________________________
63 AliTRDPreprocessor::~AliTRDPreprocessor()
71 //______________________________________________________________________________________________
72 void AliTRDPreprocessor::Initialize(Int_t run, UInt_t startTime, UInt_t endTime)
75 // Initialization routine for the TRD preprocessor
78 AliPreprocessor::Initialize(run,startTime,endTime);
82 //______________________________________________________________________________________________
83 UInt_t AliTRDPreprocessor::Process(TMap* /*dcsAliasMap*/)
86 // Process the calibration data for the HLT part
89 // How long does it take for the HLT part?
94 TString runType = GetRunType();
95 Log(Form("Run type for run %d: %s", fRun, runType.Data()));
96 if (strcmp(runType, "PHYSICS") != 0){
97 Log("Nothing to do!");
102 // note that the parameters are returned as character strings!
103 const char* nEvents = GetRunParameter("totalEvents");
105 Log(Form("Number of events for run %d: %s",fRun, nEvents));
107 Log(Form("Number of events not put in logbook!"));
111 // Metadata for the reference data
112 AliCDBMetaData metaData;
113 metaData.SetBeamPeriod(1);
114 metaData.SetResponsible("Raphaelle Bailhache");
115 metaData.SetComment("This preprocessor fills reference data.");
117 // Take the file from the HLT file exchange server
118 TList *filesources = GetFileSources(kHLT,"GAINDRIFTPRF");
120 Log(Form("No sources found for GAINDRIFTPRF for run %d !",fRun));
123 if (filesources->GetSize() != 1) {
124 Log(Form("More than one source found for GAINDRIFTPRF for run %d!",fRun));
125 filesources->Print();
130 // Call a AliTRDCalibra instance for fit
131 AliTRDCalibraFit *calibra = AliTRDCalibraFit::Instance();
133 //Choose the fit methods
134 calibra->SetFitChargeNDB(4); //for the relative gain
135 calibra->SetFitMeanWOn(); //weighted mean
136 calibra->SetFitPHNDB(3); //for the average pulse height
137 calibra->SetFitLagrPolOn(); //LagrPol
138 calibra->SetFitPRFNDB(0); //for the PRF
139 calibra->SetFitPRFOn(); //gaussian fit
142 //calibra->SetDebug(1); //Debug
145 AliTRDCalDet *objgaindet = 0x0; // Object for det average gain factor
146 AliTRDCalDet *objdriftvelocitydet = 0x0; // Object for det average drift velocity
147 AliTRDCalDet *objtime0det = 0x0; // Object for det average time0
148 TObject *objgainpad = 0x0; // Object for pad (relative to the det) gain factor
149 TObject *objdriftvelocitypad = 0x0; // Object for pad (relative to the det) drift velocity
150 TObject *objtime0pad = 0x0; // Object for pad (relative to the det) time0
151 TObject *objPRFpad = 0x0; // Object for pad prf width
152 TH2I *histogain = 0x0; // Histogram taken from HLT for gain factor
153 TProfile2D *histodriftvelocity = 0x0; // Profile taken from HLT for drift velocity and time0
154 TProfile2D *histoprf = 0x0; // Profile taken from HLT for prf
156 Int_t numberfit[3] = { 0, 0, 0 }; // Number of histos fitted for gain, drift velocity and prf
157 Int_t numberEnt[3] = { 0, 0, 0 }; // Number of histos with entries
158 Double_t statisticmean[3] = { 0.0, 0.0, 0.0 }; // Mean values of the number of entries in these histos
159 Int_t numbertotalgroup[3] = { 0, 0, 0 }; // Total number of groups
161 // Loop over the files taken from the HLT
162 TIter iter(filesources);
164 while ((source = dynamic_cast<TObjString *> (iter.Next()))) {
166 TString filename = GetFile(kHLT,"GAINDRIFTPRF",source->GetName());
167 if (filename.Length() == 0) {
168 Log(Form("Error retrieving file from source %d failed!", source->GetName()));
174 TFile *file = TFile::Open(filename);
175 histogain = (TH2I *) file->Get("CH2d");
176 histogain->SetDirectory(0);
178 Log("Error retrieving 2D histos for gain failed!");
182 histodriftvelocity = (TProfile2D *) file->Get("PH2d");
183 histodriftvelocity->SetDirectory(0);
184 if (!histodriftvelocity) {
185 Log("Error retrieving 2D Profile for average pulse height failed!");
189 histoprf = (TProfile2D *) file->Get("PRF2d");
190 histoprf->SetDirectory(0);
192 Log("Error retrieving 2D Profile for Pad Response Function failed!");
198 // Set the mode of calibration from the TObject, store the reference data and try to fit them
200 calibra->SetModeCalibrationFromTObject((TObject *) histogain,0);
201 if(!StoreReferenceData("HLTData","Gain",(TObject *) histogain,&metaData)){
202 Log("Error storing 2D histos for gain as reference data");
206 Log("Take the CH reference data. Now we will try to fit\n");
207 calibra->SetMinEntries(100); // If there is less than 100 entries in the histo: no fit
208 calibra->FitCHOnline(histogain);
209 numbertotalgroup[0] = 6*4*18*((Int_t) ((AliTRDCalibraMode *)calibra->GetCalibraMode())->GetDetChamb0(0))
210 + 6* 18*((Int_t) ((AliTRDCalibraMode *)calibra->GetCalibraMode())->GetDetChamb2(0));
211 numberfit[0] = calibra->GetNumberFit();
212 statisticmean[0] = calibra->GetStatisticMean();
213 numberEnt[0] = calibra->GetNumberEnt();
214 objgaindet = calibra->CreateDetObjectTree(calibra->GetGain(),0);
215 objgainpad = calibra->CreatePadObjectTree(calibra->GetGain(),0,objgaindet);
218 if (histodriftvelocity) {
219 calibra->SetModeCalibrationFromTObject((TObject *) histodriftvelocity,1);
220 if(!StoreReferenceData("HLTData","VdriftT0",(TObject *) histodriftvelocity,&metaData)){
221 Log("Error storing 2D Profile for average pulse height as reference data");
225 Log("Take the PH reference data. Now we will try to fit\n");
226 calibra->SetMinEntries(100*20); // If there is less than 2000
227 calibra->FitPHOnline(histodriftvelocity);
228 numbertotalgroup[1] = 6*4*18*((Int_t) ((AliTRDCalibraMode *)calibra->GetCalibraMode())->GetDetChamb0(1))
229 + 6* 18*((Int_t) ((AliTRDCalibraMode *)calibra->GetCalibraMode())->GetDetChamb2(1));
230 numberfit[1] = calibra->GetNumberFit();
231 statisticmean[1] = calibra->GetStatisticMean();
232 numberEnt[1] = calibra->GetNumberEnt();
233 objdriftvelocitydet = calibra->CreateDetObjectTree(calibra->GetVdrift(),1);
234 objdriftvelocitypad = calibra->CreatePadObjectTree(calibra->GetVdrift(),1,objdriftvelocitydet);
235 objtime0det = calibra->CreateDetObjectTree(calibra->GetT0(),3);
236 objtime0pad = calibra->CreatePadObjectTree(calibra->GetT0(),3,objtime0det);
240 calibra->SetModeCalibrationFromTObject((TObject *) histoprf,2);
241 if(!StoreReferenceData("HLTData","PRF",(TObject *) histoprf,&metaData)){
242 Log("Error storing the 2D Profile for Pad Response Function as reference data");
246 Log("Take the PRF reference data. Now we will try to fit\n");
247 calibra->SetMinEntries(100*20); // If there is less than 2000
248 calibra->SetRangeFitPRF(0.5);
249 calibra->FitPRFOnline(histoprf);
250 numbertotalgroup[2] = 6*4*18*((Int_t) ((AliTRDCalibraMode *)calibra->GetCalibraMode())->GetDetChamb0(2))
251 + 6* 18*((Int_t) ((AliTRDCalibraMode *)calibra->GetCalibraMode())->GetDetChamb2(2));
252 numberfit[2] = calibra->GetNumberFit();
253 statisticmean[2] = calibra->GetStatisticMean();
254 numberEnt[2] = calibra->GetNumberEnt();
255 objPRFpad = calibra->CreatePadObjectTree(calibra->GetPRF());
260 // Bilan of the fit statistic
261 Log(Form("The mean number of entries required for a fit is: %d"
262 ,(Int_t) calibra->GetMinEntries()));
263 Log(Form("FOR THE CH: There is a mean statistic of: %f, with %d fits for %d groups and %d histos with entries"
264 ,statisticmean[0],numberfit[0],numbertotalgroup[0],numberEnt[0]));
265 Log(Form("FOR THE PH: There is a mean statistic of: %f, with %d fits for %d groups and %d histos with entries"
266 ,statisticmean[1],numberfit[1],numbertotalgroup[1],numberEnt[1]));
267 Log(Form("FOR THE PRF: There is a mean statistic of: %f, with %d fits for %d groups and %d histos with entries"
268 ,statisticmean[2],numberfit[2],numbertotalgroup[2],numberEnt[2]));
272 // Store the coefficients in the grid OCDB if enough statistics
275 // Store the infos for the detector
276 AliCDBMetaData *md1= new AliCDBMetaData();
277 md1->SetObjectClassName("AliTRDCalDet");
278 md1->SetResponsible("Raphaelle Bailhache");
279 md1->SetBeamPeriod(1);
280 md1->SetAliRootVersion("01-10-06"); // root version
281 md1->SetComment("The dummy values in this calibration file are for testing only");
283 if ((numbertotalgroup[0] > 0) &&
284 (numberfit[0] >= 0.95*numberEnt[0])) {
285 if(!Store("Calib","ChamberGainFactor",(TObject *) objgaindet ,md1,0,kTRUE)){
286 Log("Error storing the calibration object for the chamber gain");
292 Log("Not enough statistics for the gain");
295 if ((numbertotalgroup[1] > 0) &&
296 (numberfit[1] >= 0.95*numberEnt[1])) {
297 if(!Store("Calib","ChamberVdrift" ,(TObject *) objdriftvelocitydet,md1,0,kTRUE)){
298 Log("Error storing the calibration object for the chamber vdrift");
302 if(!Store("Calib","ChamberT0" ,(TObject *) objtime0det ,md1,0,kTRUE)){
303 Log("Error storing the calibration object for the chamber t0");
309 Log("Not enough statistics for the average pulse height");
312 // Store the infos for the pads
313 AliCDBMetaData *md2= new AliCDBMetaData();
314 md2->SetObjectClassName("AliTRDCalPad");
315 md2->SetResponsible("Raphaelle Bailhache");
316 md2->SetBeamPeriod(1);
317 md2->SetAliRootVersion("01-10-06"); //root version
318 md2->SetComment("The dummy values in this calibration file are for testing only");
320 if ((numbertotalgroup[0] > 0) &&
321 (numberfit[0] >= 0.95*numberEnt[0])) {
322 if(!Store("Calib","LocalGainFactor" ,(TObject *) objgainpad ,md2,0,kTRUE)){
323 Log("Error storing the calibration object for the local gain factor");
329 if ((numbertotalgroup[1] > 0) &&
330 (numberfit[1] >= 0.95*numberEnt[1])) {
331 if(!Store("Calib","LocalVdrift" ,(TObject *) objdriftvelocitypad,md2,0,kTRUE)){
332 Log("Error storing the calibration object for the local drift velocity");
336 if(!Store("Calib","LocalT0" ,(TObject *) objtime0pad ,md2,0,kTRUE)){
337 Log("Error storing the calibration object for the local time0");
342 // Pad Response Width
343 if ((numbertotalgroup[2] > 0) &&
344 (numberfit[2] >= 0.95*numberEnt[2])) {
345 if(!Store("Calib","PRFWidth" ,(TObject *) objPRFpad ,md2,0,kTRUE)){
346 Log("Error storing the calibration object for the Pad Response Function");
352 Log("Not enough statistics for the Pad Response Function");