[u/mrichter/AliRoot.git] / ITS / AliITSOnlineSPDphysAnalyzer.cxx

/**************************************************************************
 * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

////////////////////////////////////////////////////////////
// Author: Henrik Tydesjo                                 //
// This class is used in the detector algorithm framework //
// to process the data stored in special container files  //
// (see AliITSOnlineSPDphys).                             //
////////////////////////////////////////////////////////////

#include "AliITSOnlineSPDphysAnalyzer.h"
#include "AliITSOnlineSPDphys.h"
#include "AliITSOnlineCalibrationSPDhandler.h"
#include "AliITSRawStreamSPD.h"
#include "AliITSIntMap.h"
#include <TStyle.h>
#include <TMath.h>
#include <TF1.h>
#include <TGraph.h>
#include <TH2F.h>
#include <TError.h>
#include <iostream>
#include <fstream>

AliITSOnlineSPDphysAnalyzer::AliITSOnlineSPDphysAnalyzer(const Char_t *fileName, AliITSOnlineCalibrationSPDhandler* handler) :
  fFileName(fileName),fPhysObj(NULL),fHandler(handler),
  fNrEnoughStatChips(0),fNrDeadChips(0),fNrInefficientChips(0),
  fNrEqHits(0),fbDeadProcessed(kFALSE),
  fThreshNoisy(1e-9),fThreshDead(1e-9),
  fMinEventsForNoisy(10000),fMinEventsForDead(10000),
  fDefinitelyNoisyRatio(0.3),
  fMinNrEqHitsForDeadChips(60000),fRatioToMeanForInefficientChip(0.1)
{
  // constructor  
  Init();
}

AliITSOnlineSPDphysAnalyzer::AliITSOnlineSPDphysAnalyzer(AliITSOnlineSPDphys* physObj, AliITSOnlineCalibrationSPDhandler* handler) :
  fFileName("test.root"),fPhysObj(NULL),fHandler(handler),
  fNrEnoughStatChips(0),fNrDeadChips(0),fNrInefficientChips(0),
  fNrEqHits(0),fbDeadProcessed(kFALSE),
  fThreshNoisy(1e-9),fThreshDead(1e-9),
  fMinEventsForNoisy(10000),fMinEventsForDead(10000),
  fDefinitelyNoisyRatio(0.3),
  fMinNrEqHitsForDeadChips(60000),fRatioToMeanForInefficientChip(0.1)
{
  // alt constructor
  fPhysObj = physObj;
}

AliITSOnlineSPDphysAnalyzer::AliITSOnlineSPDphysAnalyzer(const AliITSOnlineSPDphysAnalyzer& handle) :
  fFileName("test.root"),fPhysObj(NULL),fHandler(NULL),
  fNrEnoughStatChips(0),fNrDeadChips(0),fNrInefficientChips(0),
  fNrEqHits(0),fbDeadProcessed(kFALSE),
  fThreshNoisy(1e-9),fThreshDead(1e-9),
  fMinEventsForNoisy(10000),fMinEventsForDead(10000),
  fDefinitelyNoisyRatio(0.3),
  fMinNrEqHitsForDeadChips(60000),fRatioToMeanForInefficientChip(0.1)
{
  // copy constructor, only copies the filename and params (not the processed data)
  fFileName=handle.fFileName;
  fThreshNoisy = handle.fThreshNoisy;
  fThreshDead = handle.fThreshDead;
  fMinEventsForNoisy = handle.fMinEventsForNoisy;
  fMinEventsForDead = handle.fMinEventsForDead;
  fDefinitelyNoisyRatio = handle.fDefinitelyNoisyRatio;
  fMinNrEqHitsForDeadChips = handle.fMinNrEqHitsForDeadChips;
  fRatioToMeanForInefficientChip = handle.fRatioToMeanForInefficientChip;

  Init();
}

AliITSOnlineSPDphysAnalyzer::~AliITSOnlineSPDphysAnalyzer() {
  // destructor
  if (fPhysObj!=NULL) delete fPhysObj;
}

AliITSOnlineSPDphysAnalyzer& AliITSOnlineSPDphysAnalyzer::operator=(const AliITSOnlineSPDphysAnalyzer& handle) {
  // assignment operator, only copies the filename and params (not the processed data)
  if (this!=&handle) {
    if (fPhysObj!=NULL) delete fPhysObj;
    
    fFileName=handle.fFileName;
    fThreshNoisy = handle.fThreshNoisy;
    fThreshDead = handle.fThreshDead;
    fMinEventsForNoisy = handle.fMinEventsForNoisy;
    fMinEventsForDead = handle.fMinEventsForDead;
    fDefinitelyNoisyRatio = handle.fDefinitelyNoisyRatio;
    fMinNrEqHitsForDeadChips = handle.fMinNrEqHitsForDeadChips;
    fRatioToMeanForInefficientChip = handle.fRatioToMeanForInefficientChip;

    fPhysObj = NULL;
    fHandler = NULL;
    fNrEnoughStatChips = 0;
    fNrDeadChips = 0;
    fNrInefficientChips = 0;
    fNrEqHits = 0;
    fbDeadProcessed = kFALSE;

    Init();    
  }
  return *this;
}

void AliITSOnlineSPDphysAnalyzer::Init() {
  // initialize container obj
  FILE* fp0 = fopen(fFileName.Data(), "r");
  if (fp0 == NULL) {
    return;
  }
  else {
    fclose(fp0);
  }
  fPhysObj = new AliITSOnlineSPDphys(fFileName.Data());
}

void AliITSOnlineSPDphysAnalyzer::SetParam(const Char_t *pname, const Char_t *pval) {
  // set a parameter
  TString name = pname;
  TString val = pval;
  //  printf("Setting Param %s  to %s\n",name.Data(),val.Data());
  if (name.CompareTo("MistakeProbabilityNoisy")==0) {
    Double_t mistakeProbabilityNoisy = val.Atof();
    fThreshNoisy = mistakeProbabilityNoisy/(20*6*10*32*256);
  }
  else if (name.CompareTo("MistakeProbabilityDead")==0) {
    Double_t mistakeProbabilityDead = val.Atof();
    fThreshDead = mistakeProbabilityDead/(20*6*10*32*256);
  }
  else if (name.CompareTo("fMinEventsForNoisy")==0) {
    fMinEventsForNoisy = val.Atoi();
  }
  else if (name.CompareTo("fMinEventsForDead")==0) {
    fMinEventsForDead = val.Atoi();
  }
  else if (name.CompareTo("fDefinitelyNoisyRatio")==0) {
    fDefinitelyNoisyRatio = val.Atof();
  }
  else if (name.CompareTo("fMinNrEqHitsForDeadChips")==0) {
    fMinNrEqHitsForDeadChips = val.Atof();
  }
  else if (name.CompareTo("fRatioToMeanForInefficientChip")==0) {
    fRatioToMeanForInefficientChip = val.Atof();
  }
  else {
    Error("AliITSOnlineSPDphysAnalyzer::SetParam","Parameter %s in configuration file unknown.",name.Data());
  }
}

void AliITSOnlineSPDphysAnalyzer::ReadParamsFromLocation(const Char_t *dirName) {
  // opens file (default name) in dir dirName and reads parameters from it
  TString paramsFileName = Form("%s/physics_params.txt",dirName);
  ifstream paramsFile;
  paramsFile.open(paramsFileName, ifstream::in);
  if (paramsFile.fail()) {
    printf("No config file (%s) present. Using default tuning parameters.\n",paramsFileName.Data());
  }
  else {
    while(1) {
      Char_t paramN[50];
      Char_t paramV[50];
      paramsFile >> paramN;
      if (paramsFile.eof()) break;
      paramsFile >> paramV;
      SetParam(paramN,paramV);
      if (paramsFile.eof()) break;
    }
    paramsFile.close();
  }
}


UInt_t AliITSOnlineSPDphysAnalyzer::ProcessNoisyPixels() {
  // process noisy pixel data , returns number of chips with enough statistics
  if (fPhysObj==NULL) {
    Warning("AliITSOnlineSPDphysAnalyzer::ProcessNoisyPixels","No data!");
    return 0;
  }
  // do we have enough events to even try the algorithm?
  if (GetNrEvents() < fMinEventsForNoisy) {
    Warning("AliITSOnlineSPDphysAnalyzer::ProcessNoisyPixels","Nr events (%d) < fMinEventsForNoisy (%d)!",GetNrEvents(),fMinEventsForNoisy);
    return 0;
  }
  // handler should be initialized
  if (fHandler==NULL) {
    Error("AliITSOnlineSPDphysAnalyzer::ProcessNoisyPixels","Calibration handler is not initialized!");
    return 0;
  }
  
  UInt_t nrEnoughStatChips = 0;

  for (UInt_t hs=0; hs<6; hs++) {
    for (UInt_t chip=0; chip<10; chip++) {

      UInt_t nrPixels = 0;
      UInt_t nrChipHits = 0;
      UInt_t nrMostHits = 0;
      for (UInt_t col=0; col<32; col++) {
	for (UInt_t row=0; row<256; row++) {
	  UInt_t nrHits = fPhysObj->GetHits(hs,chip,col,row);
	  nrChipHits += nrHits;
	  //	  if (nrHits>0) nrPixels++; // don't include pixels that might be dead
	  nrPixels++;
	  if (nrHits>fDefinitelyNoisyRatio*GetNrEvents()) {
	    fHandler->SetNoisyPixel(GetEqNr(),hs,chip,col,row);
	    nrPixels--;
	    nrChipHits-=nrHits;
	  }
	  else {
	    if (nrMostHits<nrHits) nrMostHits=nrHits;
	  }
	}
      }

      if (nrChipHits>0) { // otherwise there are for sure no noisy
	// Binomial with n events and probability p for pixel hit
	UInt_t n = GetNrEvents();
	if (nrPixels>0 && n>0) {

	  Double_t p = (Double_t)nrChipHits/nrPixels/n;

	  // Bin(n,k=0):
	  Double_t bin = pow(1-p,n);
	  // Bin(n,k)
	  UInt_t k=1;
	  while ((bin>fThreshNoisy || k<n*p) && k<=n) {
	    k++;
	    bin = bin*(n-k+1)/k*p/(1-p);
	  }
	  
	  // can we find noisy pixels...?
	  if (k<=n) {
	    //	    printf("eq %d , hs %d , chip %d : Noisy level = %d\n",GetEqNr(),hs,chip,k);
	    nrEnoughStatChips++;
	    // add noisy pixels to handler
	    UInt_t noiseLimit=k;
	    if (nrMostHits>=noiseLimit) {
	      for (UInt_t col=0; col<32; col++) {
		for (UInt_t row=0; row<256; row++) {
		  UInt_t nrHits = fPhysObj->GetHits(hs,chip,col,row);
		  if (nrHits >= noiseLimit) {
		    fHandler->SetNoisyPixel(GetEqNr(),hs,chip,col,row);
		  }
		}
	      }
	    }
	  }
	}

      }

    } // for chip
  } // for hs

  return nrEnoughStatChips;
}


UInt_t AliITSOnlineSPDphysAnalyzer::ProcessDeadPixels() {
  // process dead pixel data , returns number of chips with enough statistics
  if (fPhysObj==NULL) {
    Warning("AliITSOnlineSPDphysAnalyzer::ProcessDeadPixels","No data!");
    return 0;
  }

  // do we have enough events to even try the algorithm?
  if (GetNrEvents() < fMinEventsForDead) {
    Warning("AliITSOnlineSPDphysAnalyzer::ProcessDeadPixels","Nr events (%d) < fMinEventsForDead (%d)!",GetNrEvents(),fMinEventsForDead);
    return 0;
  }
  // handler should be initialized
  if (fHandler==NULL) {
    Error("AliITSOnlineSPDphysAnalyzer::ProcessDeadPixels","Calibration handler is not initialized!");
    return 0;
  }

  AliITSIntMap* possiblyDead  = new AliITSIntMap();
  AliITSIntMap* possiblyIneff = new AliITSIntMap();

  fNrEnoughStatChips = 0;
  fNrDeadChips = 0;
  fNrInefficientChips = 0;
  UInt_t nrPossiblyDeadChips = 0;
  fNrEqHits = 0;


  for (UInt_t hs=0; hs<6; hs++) {
    if (!fHandler->IsActiveHS(GetEqNr(),hs)) {
      fNrDeadChips+=10;
    }
    else {
      for (UInt_t chip=0; chip<10; chip++) {
	if (!fHandler->IsActiveChip(GetEqNr(),hs,chip)) {
	  fNrDeadChips++;
	}
	else {
	  // perform search for individual dead pixels...
	  Bool_t good=kFALSE;

	  UInt_t nrPossiblyDeadPixels = 0;
	  UInt_t nrPixels = 0;
	  UInt_t nrChipHits = 0;
	  for (UInt_t col=0; col<32; col++) {
	    for (UInt_t row=0; row<256; row++) {
	      UInt_t nrHits = fPhysObj->GetHits(hs,chip,col,row);
	      nrChipHits += nrHits;
	      if (!fHandler->IsPixelNoisy(GetEqNr(),hs,chip,col,row)) {
		// don't include noisy pixels
		nrPixels++;
		if (nrHits==0) {
		  nrPossiblyDeadPixels++;
		}
		else {
		  fHandler->UnSetDeadPixel(GetEqNr(),hs,chip,col,row); // unset (no action unless dead before)
		}
	      }
	      else {
		nrChipHits -= nrHits; // this is needed when running offline (online nrHits should be 0 already)
	      }
	    }
	  }
	  fNrEqHits+=nrChipHits;

	  if (nrChipHits>0) {
	    // make sure the chip is not flagged as dead
	    fHandler->SetDeadChip(GetEqNr(),hs,chip,kFALSE);
	  }

	  if (nrPossiblyDeadPixels==0) {
	    // no need to see if we have enough statistics...
	    fNrEnoughStatChips++;
	    good=kTRUE;
	    //	printf("%3d",good);
	    //	if (chip==9) printf("\n");
	    continue;
	  }

	  if (nrChipHits==0) {
	    nrPossiblyDeadChips++;
	    possiblyDead->Insert(hs,chip);
	    good=kFALSE;
	    //	printf("%3d",good);
	    //	if (chip==9) printf("\n");
	    continue;
	  }

	  // Binomial with n events and probability p for pixel hit
	  UInt_t n = GetNrEvents();
	  if (nrPixels>0 && n>0) {

	    Double_t p = (Double_t)nrChipHits/nrPixels/n;

	    // probability of falsely assigning a dead pixel
	    Double_t falselyDeadProb = pow(1-p,n);
	    //	    printf("falselyprob=%e\n",falselyDeadProb);

	    // can we find dead pixels...?
	    if (falselyDeadProb<fThreshDead) {
	      fNrEnoughStatChips++;
	      good=kTRUE;
	      // add dead pixels to handler
	      for (UInt_t col=0; col<32; col++) {
		for (UInt_t row=0; row<256; row++) {
		  UInt_t nrHits = fPhysObj->GetHits(hs,chip,col,row);
		  if (nrHits==0) {
		    if (!fHandler->IsPixelNoisy(GetEqNr(),hs,chip,col,row)) {
		      // don't include noisy pixels
		      fHandler->SetDeadPixel(GetEqNr(),hs,chip,col,row);
		    }
		  }
		}
	      }
	    }
	    if (!good) {
	      // this might be an inefficient chip
	      possiblyIneff->Insert(hs*10+chip,nrChipHits);
	    }

	  }
	  else {
	    if (n>0) {
	      // this is a completely noisy chip... put in category enough stat
	      fNrEnoughStatChips++;
	      good=kTRUE;
	    }
	  }

	  //      printf("%3d",good);
	  //      if (chip==9) printf("\n");

	}
      } // for chip
    }
  } // for hs
 

  Int_t key,val;

  // dead chips?
  if (fNrEqHits>fMinNrEqHitsForDeadChips) {
    while (possiblyDead->Pop(key,val)) {
      fHandler->SetDeadChip(GetEqNr(),key,val,kFALSE);
    }
    fNrDeadChips+=nrPossiblyDeadChips;
  }
  delete possiblyDead;

  // inefficient chips?
  while (possiblyIneff->Pop(key,val)) {
    if (val<fNrEqHits/60*fRatioToMeanForInefficientChip) {
      fNrInefficientChips++;
    }
  }
  delete possiblyIneff;


  fbDeadProcessed = kTRUE;

  return fNrEnoughStatChips;
}


UInt_t AliITSOnlineSPDphysAnalyzer::GetNrEnoughStatChips() {
  // returns nr of enough stat chips
  if (!fbDeadProcessed) ProcessDeadPixels();
  return fNrEnoughStatChips;
}
UInt_t AliITSOnlineSPDphysAnalyzer::GetNrDeadChips() {
  // returns nr of dead chips
  if (!fbDeadProcessed) ProcessDeadPixels();
  return fNrDeadChips;
}
UInt_t AliITSOnlineSPDphysAnalyzer::GetNrInefficientChips() {
  // returns nr of inefficient chips
  if (!fbDeadProcessed) ProcessDeadPixels();
  return fNrInefficientChips;
}
UInt_t AliITSOnlineSPDphysAnalyzer::GetNrNeedsMoreStatChips() {
  // returns nr of needs more stat chips
  if (!fbDeadProcessed) ProcessDeadPixels();
  return 60-fNrEnoughStatChips-fNrDeadChips-fNrInefficientChips;
}

UInt_t AliITSOnlineSPDphysAnalyzer::GetEqNr() const {
  // returns the eq nr of phys obj
  if (fPhysObj!=NULL) return fPhysObj->GetEqNr(); 
  else return 999;
}

UInt_t AliITSOnlineSPDphysAnalyzer::GetNrEvents() const {
  // returns the nr of events of phys obj
  if (fPhysObj!=NULL) return fPhysObj->GetNrEvents(); 
  else return 0;
}

void AliITSOnlineSPDphysAnalyzer::Exponent(Double_t &val, Int_t &valExp) const {
  // put double in format with val and exp so that 1<val<10 - The actual value is val*10e(valExp)
  while (val>10) {
    val/=10;
    valExp++;
  }
  while (val<1) {
    val*=10;
    valExp--;
  }
}


TH2F* AliITSOnlineSPDphysAnalyzer::GetHitMapTot() {
  // creates and returns a pointer to a hitmap histo (half sector style a la spdmood)
  if (fPhysObj==NULL) {
    Error("AliITSOnlineSPDphysAnalyzer::GetHitMapTot","No data!");
    return NULL;
  }
  TString histoname = Form("Eq %d",GetEqNr());
  TH2F* fHitMapTot = new TH2F(histoname.Data(),histoname.Data(),32*10,-0.5,32*10-0.5,256*6,-0.5,256*6-0.5);
  fHitMapTot->SetNdivisions(-10,"X");
  fHitMapTot->SetNdivisions(-006,"Y");
  fHitMapTot->SetTickLength(0,"X");
  fHitMapTot->SetTickLength(0,"Y");
  fHitMapTot->GetXaxis()->SetLabelColor(gStyle->GetCanvasColor());
  fHitMapTot->GetYaxis()->SetLabelColor(gStyle->GetCanvasColor());
  for (UInt_t hs=0; hs<6; hs++) {
    for (UInt_t chipNr=0; chipNr<10; chipNr++) {
      for (UInt_t col=0; col<32; col++) {
	for (UInt_t row=0; row<256; row++) {
	  fHitMapTot->Fill(chipNr*32+col,(5-hs)*256+row,fPhysObj->GetHits(hs,chipNr,col,row));
	}
      }
    }
  }
  return fHitMapTot;
}

TH2F* AliITSOnlineSPDphysAnalyzer::GetHitMapChip(UInt_t hs, UInt_t chip) {
  // creates and returns a pointer to a hitmap histo (chip style a la spdmood)
  if (fPhysObj==NULL) {
    Error("AliITSOnlineSPDphysAnalyzer::GetHitMapChip","No data!");
    return NULL;
  }

  TString histoName;
  TString histoTitle;
  histoName = Form("fChipHisto_%d_%d_%d", GetEqNr(), hs, chip);
  histoTitle = Form("Eq ID %d, Half Stave %d, Chip %d", GetEqNr(), hs, chip);

  TH2F *returnHisto = new TH2F(histoName.Data(), histoTitle.Data(), 32, -0.5, 31.5, 256, -0.5, 255.5);
  returnHisto->SetMinimum(0);
  for (UInt_t col=0; col<32; col++) {
    for (UInt_t row=0; row<256; row++) {
      returnHisto->Fill(col,row,fPhysObj->GetHits(hs,chip,col,row));
    }
  }

  return returnHisto;
}
Commit	Line	Data
6727e2db	1	/**************************************************************************
	2	* Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	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	**************************************************************************/
	15
	16	////////////////////////////////////////////////////////////
	17	// Author: Henrik Tydesjo //
	18	// This class is used in the detector algorithm framework //
	19	// to process the data stored in special container files //
	20	// (see AliITSOnlineSPDphys). //
	21	////////////////////////////////////////////////////////////
	22
	23	#include "AliITSOnlineSPDphysAnalyzer.h"
	24	#include "AliITSOnlineSPDphys.h"
	25	#include "AliITSOnlineCalibrationSPDhandler.h"
	26	#include "AliITSRawStreamSPD.h"
	27	#include "AliITSIntMap.h"
	28	#include <TStyle.h>
	29	#include <TMath.h>
	30	#include <TF1.h>
	31	#include <TGraph.h>
	32	#include <TH2F.h>
	33	#include <TError.h>
	34	#include <iostream>
	35	#include <fstream>
	36
	37	AliITSOnlineSPDphysAnalyzer::AliITSOnlineSPDphysAnalyzer(const Char_t fileName, AliITSOnlineCalibrationSPDhandler handler) :
	38	fFileName(fileName),fPhysObj(NULL),fHandler(handler),
	39	fNrEnoughStatChips(0),fNrDeadChips(0),fNrInefficientChips(0),
	40	fNrEqHits(0),fbDeadProcessed(kFALSE),
ca837694	41	fThreshNoisy(1e-9),fThreshDead(1e-9),
6727e2db	42	fMinEventsForNoisy(10000),fMinEventsForDead(10000),
ca837694	43	fDefinitelyNoisyRatio(0.3),
ca837694	44	fMinNrEqHitsForDeadChips(60000),fRatioToMeanForInefficientChip(0.1)
6727e2db	45	{
	46	// constructor
	47	Init();
	48	}
	49
	50	AliITSOnlineSPDphysAnalyzer::AliITSOnlineSPDphysAnalyzer(AliITSOnlineSPDphys* physObj, AliITSOnlineCalibrationSPDhandler* handler) :
	51	fFileName("test.root"),fPhysObj(NULL),fHandler(handler),
	52	fNrEnoughStatChips(0),fNrDeadChips(0),fNrInefficientChips(0),
	53	fNrEqHits(0),fbDeadProcessed(kFALSE),
ca837694	54	fThreshNoisy(1e-9),fThreshDead(1e-9),
6727e2db	55	fMinEventsForNoisy(10000),fMinEventsForDead(10000),
ca837694	56	fDefinitelyNoisyRatio(0.3),
ca837694	57	fMinNrEqHitsForDeadChips(60000),fRatioToMeanForInefficientChip(0.1)
6727e2db	58	{
	59	// alt constructor
	60	fPhysObj = physObj;
	61	}
	62
	63	AliITSOnlineSPDphysAnalyzer::AliITSOnlineSPDphysAnalyzer(const AliITSOnlineSPDphysAnalyzer& handle) :
	64	fFileName("test.root"),fPhysObj(NULL),fHandler(NULL),
	65	fNrEnoughStatChips(0),fNrDeadChips(0),fNrInefficientChips(0),
	66	fNrEqHits(0),fbDeadProcessed(kFALSE),
ca837694	67	fThreshNoisy(1e-9),fThreshDead(1e-9),
6727e2db	68	fMinEventsForNoisy(10000),fMinEventsForDead(10000),
ca837694	69	fDefinitelyNoisyRatio(0.3),
ca837694	70	fMinNrEqHitsForDeadChips(60000),fRatioToMeanForInefficientChip(0.1)
6727e2db	71	{
	72	// copy constructor, only copies the filename and params (not the processed data)
	73	fFileName=handle.fFileName;
	74	fThreshNoisy = handle.fThreshNoisy;
6727e2db	75	fThreshDead = handle.fThreshDead;
6727e2db	76	fMinEventsForNoisy = handle.fMinEventsForNoisy;
	77	fMinEventsForDead = handle.fMinEventsForDead;
	78	fDefinitelyNoisyRatio = handle.fDefinitelyNoisyRatio;
	79	fMinNrEqHitsForDeadChips = handle.fMinNrEqHitsForDeadChips;
	80	fRatioToMeanForInefficientChip = handle.fRatioToMeanForInefficientChip;
	81
	82	Init();
	83	}
	84
	85	AliITSOnlineSPDphysAnalyzer::~AliITSOnlineSPDphysAnalyzer() {
	86	// destructor
	87	if (fPhysObj!=NULL) delete fPhysObj;
	88	}
	89
	90	AliITSOnlineSPDphysAnalyzer& AliITSOnlineSPDphysAnalyzer::operator=(const AliITSOnlineSPDphysAnalyzer& handle) {
	91	// assignment operator, only copies the filename and params (not the processed data)
	92	if (this!=&handle) {
	93	if (fPhysObj!=NULL) delete fPhysObj;
	94
	95	fFileName=handle.fFileName;
	96	fThreshNoisy = handle.fThreshNoisy;
6727e2db	97	fThreshDead = handle.fThreshDead;
6727e2db	98	fMinEventsForNoisy = handle.fMinEventsForNoisy;
	99	fMinEventsForDead = handle.fMinEventsForDead;
	100	fDefinitelyNoisyRatio = handle.fDefinitelyNoisyRatio;
	101	fMinNrEqHitsForDeadChips = handle.fMinNrEqHitsForDeadChips;
	102	fRatioToMeanForInefficientChip = handle.fRatioToMeanForInefficientChip;
	103
	104	fPhysObj = NULL;
	105	fHandler = NULL;
	106	fNrEnoughStatChips = 0;
	107	fNrDeadChips = 0;
	108	fNrInefficientChips = 0;
	109	fNrEqHits = 0;
	110	fbDeadProcessed = kFALSE;
	111
	112	Init();
	113	}
	114	return *this;
	115	}
	116
	117	void AliITSOnlineSPDphysAnalyzer::Init() {
	118	// initialize container obj
	119	FILE* fp0 = fopen(fFileName.Data(), "r");
	120	if (fp0 == NULL) {
	121	return;
	122	}
	123	else {
	124	fclose(fp0);
	125	}
	126	fPhysObj = new AliITSOnlineSPDphys(fFileName.Data());
	127	}
	128
	129	void AliITSOnlineSPDphysAnalyzer::SetParam(const Char_t pname, const Char_t pval) {
	130	// set a parameter
	131	TString name = pname;
	132	TString val = pval;
	133	// printf("Setting Param %s to %s\n",name.Data(),val.Data());
	134	if (name.CompareTo("MistakeProbabilityNoisy")==0) {
	135	Double_t mistakeProbabilityNoisy = val.Atof();
ca837694	136	fThreshNoisy = mistakeProbabilityNoisy/(2061032256);
6727e2db	137	}
	138	else if (name.CompareTo("MistakeProbabilityDead")==0) {
	139	Double_t mistakeProbabilityDead = val.Atof();
ca837694	140	fThreshDead = mistakeProbabilityDead/(2061032256);
6727e2db	141	}
	142	else if (name.CompareTo("fMinEventsForNoisy")==0) {
	143	fMinEventsForNoisy = val.Atoi();
	144	}
	145	else if (name.CompareTo("fMinEventsForDead")==0) {
	146	fMinEventsForDead = val.Atoi();
	147	}
	148	else if (name.CompareTo("fDefinitelyNoisyRatio")==0) {
	149	fDefinitelyNoisyRatio = val.Atof();
	150	}
	151	else if (name.CompareTo("fMinNrEqHitsForDeadChips")==0) {
	152	fMinNrEqHitsForDeadChips = val.Atof();
	153	}
	154	else if (name.CompareTo("fRatioToMeanForInefficientChip")==0) {
	155	fRatioToMeanForInefficientChip = val.Atof();
	156	}
	157	else {
	158	Error("AliITSOnlineSPDphysAnalyzer::SetParam","Parameter %s in configuration file unknown.",name.Data());
	159	}
	160	}
	161
	162	void AliITSOnlineSPDphysAnalyzer::ReadParamsFromLocation(const Char_t *dirName) {
	163	// opens file (default name) in dir dirName and reads parameters from it
	164	TString paramsFileName = Form("%s/physics_params.txt",dirName);
	165	ifstream paramsFile;
	166	paramsFile.open(paramsFileName, ifstream::in);
	167	if (paramsFile.fail()) {
	168	printf("No config file (%s) present. Using default tuning parameters.\n",paramsFileName.Data());
	169	}
	170	else {
	171	while(1) {
	172	Char_t paramN[50];
	173	Char_t paramV[50];
	174	paramsFile >> paramN;
	175	if (paramsFile.eof()) break;
	176	paramsFile >> paramV;
	177	SetParam(paramN,paramV);
	178	if (paramsFile.eof()) break;
	179	}
	180	paramsFile.close();
	181	}
	182	}
	183
	184
	185	UInt_t AliITSOnlineSPDphysAnalyzer::ProcessNoisyPixels() {
	186	// process noisy pixel data , returns number of chips with enough statistics
	187	if (fPhysObj==NULL) {
	188	Warning("AliITSOnlineSPDphysAnalyzer::ProcessNoisyPixels","No data!");
	189	return 0;
	190	}
	191	// do we have enough events to even try the algorithm?
	192	if (GetNrEvents() < fMinEventsForNoisy) {
	193	Warning("AliITSOnlineSPDphysAnalyzer::ProcessNoisyPixels","Nr events (%d) < fMinEventsForNoisy (%d)!",GetNrEvents(),fMinEventsForNoisy);
	194	return 0;
	195	}
	196	// handler should be initialized
	197	if (fHandler==NULL) {
	198	Error("AliITSOnlineSPDphysAnalyzer::ProcessNoisyPixels","Calibration handler is not initialized!");
	199	return 0;
	200	}
	201
	202	UInt_t nrEnoughStatChips = 0;
	203
	204	for (UInt_t hs=0; hs<6; hs++) {
205	for (UInt_t chip=0; chip<10; chip++) {
206
207	UInt_t nrPixels = 0;
208	UInt_t nrChipHits = 0;
209	UInt_t nrMostHits = 0;
210	for (UInt_t col=0; col<32; col++) {
211	for (UInt_t row=0; row<256; row++) {
212	UInt_t nrHits = fPhysObj->GetHits(hs,chip,col,row);
213	nrChipHits += nrHits;
214	// if (nrHits>0) nrPixels++; // don't include pixels that might be dead
215	nrPixels++;
216	if (nrHits>fDefinitelyNoisyRatio*GetNrEvents()) {
217	fHandler->SetNoisyPixel(GetEqNr(),hs,chip,col,row);
218	nrPixels--;
219	nrChipHits-=nrHits;
220	}
221	else {
222	if (nrMostHits<nrHits) nrMostHits=nrHits;
223	}
224	}
225	}
226
227	if (nrChipHits>0) { // otherwise there are for sure no noisy
228	// Binomial with n events and probability p for pixel hit
229	UInt_t n = GetNrEvents();
230	if (nrPixels>0 && n>0) {
231
232	Double_t p = (Double_t)nrChipHits/nrPixels/n;
233
6727e2db	234	// Bin(n,k=0):
ca837694	235	Double_t bin = pow(1-p,n);
6727e2db	236	// Bin(n,k)
6727e2db	237	UInt_t k=1;
ca837694	238	while ((bin>fThreshNoisy \|\| k<n*p) && k<=n) {
6727e2db	239	k++;
6727e2db	240	bin = bin(n-k+1)/kp/(1-p);
6727e2db	241	}
	242
	243	// can we find noisy pixels...?
	244	if (k<=n) {
	245	// printf("eq %d , hs %d , chip %d : Noisy level = %d\n",GetEqNr(),hs,chip,k);
	246	nrEnoughStatChips++;
	247	// add noisy pixels to handler
	248	UInt_t noiseLimit=k;
	249	if (nrMostHits>=noiseLimit) {
	250	for (UInt_t col=0; col<32; col++) {
	251	for (UInt_t row=0; row<256; row++) {
	252	UInt_t nrHits = fPhysObj->GetHits(hs,chip,col,row);
	253	if (nrHits >= noiseLimit) {
	254	fHandler->SetNoisyPixel(GetEqNr(),hs,chip,col,row);
	255	}
	256	}
	257	}
	258	}
	259	}
	260	}
	261
	262	}
	263
	264	} // for chip
	265	} // for hs
	266
	267	return nrEnoughStatChips;
	268	}
	269
	270
	271	UInt_t AliITSOnlineSPDphysAnalyzer::ProcessDeadPixels() {
	272	// process dead pixel data , returns number of chips with enough statistics
	273	if (fPhysObj==NULL) {
	274	Warning("AliITSOnlineSPDphysAnalyzer::ProcessDeadPixels","No data!");
	275	return 0;
	276	}
ca837694	277
6727e2db	278	// do we have enough events to even try the algorithm?
	279	if (GetNrEvents() < fMinEventsForDead) {
	280	Warning("AliITSOnlineSPDphysAnalyzer::ProcessDeadPixels","Nr events (%d) < fMinEventsForDead (%d)!",GetNrEvents(),fMinEventsForDead);
	281	return 0;
	282	}
	283	// handler should be initialized
	284	if (fHandler==NULL) {
	285	Error("AliITSOnlineSPDphysAnalyzer::ProcessDeadPixels","Calibration handler is not initialized!");
	286	return 0;
	287	}
	288
b696414b	289	AliITSIntMap* possiblyDead = new AliITSIntMap();
6727e2db	290	AliITSIntMap* possiblyIneff = new AliITSIntMap();
	291
	292	fNrEnoughStatChips = 0;
	293	fNrDeadChips = 0;
	294	fNrInefficientChips = 0;
	295	UInt_t nrPossiblyDeadChips = 0;
	296	fNrEqHits = 0;
	297
6727e2db	298
b696414b	299	for (UInt_t hs=0; hs<6; hs++) {
478d804c	300	if (!fHandler->IsActiveHS(GetEqNr(),hs)) {
b696414b	301	fNrDeadChips+=10;
	302	}
	303	else {
	304	for (UInt_t chip=0; chip<10; chip++) {
478d804c	305	if (!fHandler->IsActiveChip(GetEqNr(),hs,chip)) {
b696414b	306	fNrDeadChips++;
	307	}
	308	else {
	309	// perform search for individual dead pixels...
b696414b	310	Bool_t good=kFALSE;
	311
	312	UInt_t nrPossiblyDeadPixels = 0;
	313	UInt_t nrPixels = 0;
	314	UInt_t nrChipHits = 0;
	315	for (UInt_t col=0; col<32; col++) {
	316	for (UInt_t row=0; row<256; row++) {
	317	UInt_t nrHits = fPhysObj->GetHits(hs,chip,col,row);
	318	nrChipHits += nrHits;
	319	if (!fHandler->IsPixelNoisy(GetEqNr(),hs,chip,col,row)) {
	320	// don't include noisy pixels
	321	nrPixels++;
	322	if (nrHits==0) {
	323	nrPossiblyDeadPixels++;
478d804c	324	}
	325	else {
	326	fHandler->UnSetDeadPixel(GetEqNr(),hs,chip,col,row); // unset (no action unless dead before)
b696414b	327	}
	328	}
	329	else {
	330	nrChipHits -= nrHits; // this is needed when running offline (online nrHits should be 0 already)
	331	}
6727e2db	332	}
6727e2db	333	}
b696414b	334	fNrEqHits+=nrChipHits;
b696414b	335
478d804c	336	if (nrChipHits>0) {
	337	// make sure the chip is not flagged as dead
	338	fHandler->SetDeadChip(GetEqNr(),hs,chip,kFALSE);
6727e2db	339	}
6727e2db	340
b696414b	341	if (nrPossiblyDeadPixels==0) {
	342	// no need to see if we have enough statistics...
	343	fNrEnoughStatChips++;
	344	good=kTRUE;
	345	// printf("%3d",good);
	346	// if (chip==9) printf("\n");
	347	continue;
	348	}
6727e2db	349
b696414b	350	if (nrChipHits==0) {
b696414b	351	nrPossiblyDeadChips++;
b696414b	352	possiblyDead->Insert(hs,chip);
	353	good=kFALSE;
	354	// printf("%3d",good);
	355	// if (chip==9) printf("\n");
	356	continue;
	357	}
6727e2db	358
b696414b	359	// Binomial with n events and probability p for pixel hit
	360	UInt_t n = GetNrEvents();
	361	if (nrPixels>0 && n>0) {
	362
	363	Double_t p = (Double_t)nrChipHits/nrPixels/n;
	364
	365	// probability of falsely assigning a dead pixel
ca837694	366	Double_t falselyDeadProb = pow(1-p,n);
	367	// printf("falselyprob=%e\n",falselyDeadProb);
	368
	369	// can we find dead pixels...?
	370	if (falselyDeadProb<fThreshDead) {
	371	fNrEnoughStatChips++;
	372	good=kTRUE;
	373	// add dead pixels to handler
	374	for (UInt_t col=0; col<32; col++) {
	375	for (UInt_t row=0; row<256; row++) {
	376	UInt_t nrHits = fPhysObj->GetHits(hs,chip,col,row);
	377	if (nrHits==0) {
478d804c	378	if (!fHandler->IsPixelNoisy(GetEqNr(),hs,chip,col,row)) {
478d804c	379	// don't include noisy pixels
ca837694	380	fHandler->SetDeadPixel(GetEqNr(),hs,chip,col,row);
478d804c	381	}
	382	}
	383	}
b696414b	384	}
	385	}
	386	if (!good) {
	387	// this might be an inefficient chip
	388	possiblyIneff->Insert(hs*10+chip,nrChipHits);
	389	}
6727e2db	390
b696414b	391	}
	392	else {
	393	if (n>0) {
	394	// this is a completely noisy chip... put in category enough stat
	395	fNrEnoughStatChips++;
	396	good=kTRUE;
	397	}
	398	}
6727e2db	399
b696414b	400	// printf("%3d",good);
b696414b	401	// if (chip==9) printf("\n");
6727e2db	402
6727e2db	403	}
b696414b	404	} // for chip
b696414b	405	}
6727e2db	406	} // for hs
b696414b	407
6727e2db	408
b696414b	409	Int_t key,val;
478d804c	410
6727e2db	411	// dead chips?
6727e2db	412	if (fNrEqHits>fMinNrEqHitsForDeadChips) {
b696414b	413	while (possiblyDead->Pop(key,val)) {
478d804c	414	fHandler->SetDeadChip(GetEqNr(),key,val,kFALSE);
b696414b	415	}
b696414b	416	fNrDeadChips+=nrPossiblyDeadChips;
6727e2db	417	}
b696414b	418	delete possiblyDead;
6727e2db	419
6727e2db	420	// inefficient chips?
6727e2db	421	while (possiblyIneff->Pop(key,val)) {
	422	if (val<fNrEqHits/60*fRatioToMeanForInefficientChip) {
	423	fNrInefficientChips++;
	424	}
	425	}
	426	delete possiblyIneff;
	427
	428
	429	fbDeadProcessed = kTRUE;
	430
	431	return fNrEnoughStatChips;
	432	}
	433
	434
	435	UInt_t AliITSOnlineSPDphysAnalyzer::GetNrEnoughStatChips() {
	436	// returns nr of enough stat chips
	437	if (!fbDeadProcessed) ProcessDeadPixels();
	438	return fNrEnoughStatChips;
	439	}
	440	UInt_t AliITSOnlineSPDphysAnalyzer::GetNrDeadChips() {
	441	// returns nr of dead chips
	442	if (!fbDeadProcessed) ProcessDeadPixels();
	443	return fNrDeadChips;
	444	}
	445	UInt_t AliITSOnlineSPDphysAnalyzer::GetNrInefficientChips() {
	446	// returns nr of inefficient chips
	447	if (!fbDeadProcessed) ProcessDeadPixels();
	448	return fNrInefficientChips;
	449	}
	450	UInt_t AliITSOnlineSPDphysAnalyzer::GetNrNeedsMoreStatChips() {
	451	// returns nr of needs more stat chips
	452	if (!fbDeadProcessed) ProcessDeadPixels();
	453	return 60-fNrEnoughStatChips-fNrDeadChips-fNrInefficientChips;
	454	}
	455
	456	UInt_t AliITSOnlineSPDphysAnalyzer::GetEqNr() const {
	457	// returns the eq nr of phys obj
	458	if (fPhysObj!=NULL) return fPhysObj->GetEqNr();
	459	else return 999;
	460	}
	461
	462	UInt_t AliITSOnlineSPDphysAnalyzer::GetNrEvents() const {
	463	// returns the nr of events of phys obj
	464	if (fPhysObj!=NULL) return fPhysObj->GetNrEvents();
	465	else return 0;
	466	}
	467
	468	void AliITSOnlineSPDphysAnalyzer::Exponent(Double_t &val, Int_t &valExp) const {
	469	// put double in format with val and exp so that 1<val<10 - The actual value is val*10e(valExp)
	470	while (val>10) {
	471	val/=10;
	472	valExp++;
	473	}
	474	while (val<1) {
	475	val*=10;
	476	valExp--;
	477	}
	478	}
	479
	480
	481
	482	TH2F* AliITSOnlineSPDphysAnalyzer::GetHitMapTot() {
	483	// creates and returns a pointer to a hitmap histo (half sector style a la spdmood)
	484	if (fPhysObj==NULL) {
485	Error("AliITSOnlineSPDphysAnalyzer::GetHitMapTot","No data!");
486	return NULL;
487	}
488	TString histoname = Form("Eq %d",GetEqNr());
489	TH2F* fHitMapTot = new TH2F(histoname.Data(),histoname.Data(),3210,-0.5,3210-0.5,2566,-0.5,2566-0.5);
490	fHitMapTot->SetNdivisions(-10,"X");
491	fHitMapTot->SetNdivisions(-006,"Y");
492	fHitMapTot->SetTickLength(0,"X");
493	fHitMapTot->SetTickLength(0,"Y");
494	fHitMapTot->GetXaxis()->SetLabelColor(gStyle->GetCanvasColor());
495	fHitMapTot->GetYaxis()->SetLabelColor(gStyle->GetCanvasColor());
496	for (UInt_t hs=0; hs<6; hs++) {
497	for (UInt_t chipNr=0; chipNr<10; chipNr++) {
498	for (UInt_t col=0; col<32; col++) {
499	for (UInt_t row=0; row<256; row++) {
500	fHitMapTot->Fill(chipNr32+col,(5-hs)256+row,fPhysObj->GetHits(hs,chipNr,col,row));
501	}
502	}
503	}
504	}
505	return fHitMapTot;
506	}
507
508	TH2F* AliITSOnlineSPDphysAnalyzer::GetHitMapChip(UInt_t hs, UInt_t chip) {
509	// creates and returns a pointer to a hitmap histo (chip style a la spdmood)
510	if (fPhysObj==NULL) {
511	Error("AliITSOnlineSPDphysAnalyzer::GetHitMapChip","No data!");
512	return NULL;
513	}
514
515	TString histoName;
516	TString histoTitle;
517	histoName = Form("fChipHisto_%d_%d_%d", GetEqNr(), hs, chip);
518	histoTitle = Form("Eq ID %d, Half Stave %d, Chip %d", GetEqNr(), hs, chip);
519
520	TH2F *returnHisto = new TH2F(histoName.Data(), histoTitle.Data(), 32, -0.5, 31.5, 256, -0.5, 255.5);
521	returnHisto->SetMinimum(0);
522	for (UInt_t col=0; col<32; col++) {
523	for (UInt_t row=0; row<256; row++) {
524	returnHisto->Fill(col,row,fPhysObj->GetHits(hs,chip,col,row));
525	}
526	}
527
528	return returnHisto;
529	}