[u/mrichter/AliRoot.git] / MUON / AliMUONTriggerDisplay.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, 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.                  *
 **************************************************************************/

// $Id$

// --- MUON header files ---
#include "AliMUONTriggerDisplay.h"

#include "AliMpDDLStore.h"
#include "AliMpVSegmentation.h"
#include "AliMpSegmentation.h"
#include "AliMpConstants.h"
#include "AliMpPad.h"
#include "AliMpLocalBoard.h"
#include "AliMpCDB.h"

// --- AliRoot header files ---
#include "AliLog.h"

// --- ROOT system ---
#include <TH1.h> 
#include <TH2.h>
#include <TGraph.h>

//-----------------------------------------------------------------------------
/// \class AliMUONTriggerDisplay
///
/// MUON base class for converting histos as a function of strip/board/slat number
/// into display histos showing the detection element position in the 
/// trigger chamber.
///
/// Input histos can be given as:
///  - TH2 with x -> board # [1-234]  and   y -> strip # in board [0-15].  Option: kDisplayStrips
///  - TH1 with x -> board # [1-234]                                       Option: kDisplayBoards
///  - TH1 with x -> slat #  [0-17]                                        Option: kDisplaySlats
///
/// \author D. Stocco

/// \cond CLASSIMP
ClassImp(AliMUONTriggerDisplay)
/// \endcond
           
//____________________________________________________________________________ 
AliMUONTriggerDisplay::AliMUONTriggerDisplay() : 
TObject()
{
  /// ctor
}

//__________________________________________________________________
AliMUONTriggerDisplay::~AliMUONTriggerDisplay()
{
  /// dtor
}


//____________________________________________________________________________ 
TH2* AliMUONTriggerDisplay::GetEmptyDisplayHisto(TString displayHistoName, EDisplayType displayType,
						 Int_t cathode, Int_t chamber,
						 TString displayHistoTitle)
{
  //
  /// Return the display histogram with optimized binning
  /// but do not fill it.
  //
  TH2F* displayHisto = new TH2F();
  
  InitOrDisplayTriggerInfo(0x0, displayHisto, displayType,
			   cathode, chamber, displayHistoName, displayHistoTitle);
  
  return displayHisto;
}


//____________________________________________________________________________ 
TH2* AliMUONTriggerDisplay::GetBoardNumberHisto(TString displayHistoName,
						Int_t chamber,
						TString displayHistoTitle)
{
  //
  /// Return the display histogram with optimized binning
  /// and fill it with the board number
  //

  const Int_t kNboards = AliMpConstants::NofLocalBoards();
  TH1F* inputHisto = new TH1F("boardNumbers","Board Numbers",kNboards,0.5,(Float_t)kNboards + 0.5);
  for(Int_t ibin=1; ibin<=kNboards; ibin++){
    inputHisto->Fill(ibin,ibin);
  }

  TH2F* displayHisto = (TH2F*)GetEmptyDisplayHisto(displayHistoName, kDisplayBoards, 0, chamber, displayHistoTitle);
  FillDisplayHistogram(inputHisto,displayHisto,kDisplayBoards,0,chamber,kNumbered);
  
  delete inputHisto;

  displayHisto->SetStats(kFALSE);
  return displayHisto;
}


//____________________________________________________________________________ 
TH2* AliMUONTriggerDisplay::GetDisplayHistogram(TH1* inputHisto, TString displayHistoName,
						EDisplayType displayType, Int_t cathode,
						Int_t chamber, TString displayHistoTitle,
						EDisplayOption displayOpt)
{
  //
  /// Get histogram displaying the information contained in the input histogram
  //
  TH2* displayHisto = GetEmptyDisplayHisto(displayHistoName, displayType,
					   cathode, chamber, displayHistoTitle);

  FillDisplayHistogram(inputHisto, displayHisto, displayType, cathode, chamber, displayOpt);

  return displayHisto;
}

//____________________________________________________________________________ 
TH2* AliMUONTriggerDisplay::GetDisplayHistogram(TGraph* inputGraph, TString displayHistoName,
						EDisplayType displayType, Int_t cathode,
						Int_t chamber, TString displayHistoTitle,
						EDisplayOption displayOpt)
{
  //
  /// Get histogram displaying the information contained in the input graph
  //
  TH2* displayHisto = GetEmptyDisplayHisto(displayHistoName, displayType,
					   cathode, chamber, displayHistoTitle);

  FillDisplayHistogram(inputGraph, displayHisto, displayType, cathode, chamber, displayOpt);

  return displayHisto;
}

//____________________________________________________________________________ 
Bool_t AliMUONTriggerDisplay::FillDisplayHistogram(TH1* inputHisto, TH2* displayHisto,
						   EDisplayType displayType, Int_t cathode,
						   Int_t chamber, EDisplayOption displayOpt)
{
  //
  /// Fill a previously initialized display histogram 
  /// with the information contained in inputHisto.
  /// To get initialized display, please use GetEmptyDisplayHisto method
  //
  return InitOrDisplayTriggerInfo(inputHisto, displayHisto, displayType,
				  cathode, chamber, "", "",displayOpt);
}

//____________________________________________________________________________ 
Bool_t AliMUONTriggerDisplay::FillDisplayHistogram(TGraph* inputGraph, TH2* displayHisto,
						   EDisplayType displayType, Int_t cathode,
						   Int_t chamber, EDisplayOption displayOpt)
{
  //
  /// Fill a previously initialized display histogram 
  /// with the information contained in inputGraph.
  /// To get initialized display, please use GetEmptyDisplayHisto method
  //
  return InitOrDisplayTriggerInfo(inputGraph, displayHisto, displayType,
				  cathode, chamber, "", "",displayOpt);
}

//____________________________________________________________________________ 
Bool_t AliMUONTriggerDisplay::InitOrDisplayTriggerInfo(TObject* inputObject, TH2* displayHisto,
						       EDisplayType displayType,
						       Int_t cathode, Int_t chamber,
						       TString displayHistoName, TString displayHistoTitle,
						       EDisplayOption displayOpt)
{
  //
  /// Initialize trigger information display histograms using mapping
  /// Trigger information is displayed in a user-friendly way:
  /// from local board and strip numbers to their position on chambers.
  //

  // Load mapping
  if ( ! AliMpSegmentation::Instance(kFALSE) ) {
    /// Load mapping
    if ( ! AliMpCDB::LoadDDLStore() ) {
      AliError("Could not access mapping from OCDB !");
      AliError("Histograms are not initialized !");
      return kFALSE;
    }
  }

  Int_t iCh = (chamber > AliMpConstants::NofTrackingChambers()) ? chamber - 11 : chamber;
  Int_t iCath = cathode;

  TArrayD xAxisStrip;
  TArrayD yAxisStrip;
  TArrayD xAxisBoard;
  TArrayD yAxisBoard;

  Float_t yOffsetLine, xOffsetLine = 0.;

  const Float_t kResetValue=1234567.;

  if(!inputObject){
    xAxisBoard.Set(55);
    xAxisBoard.Reset(kResetValue);
    yAxisBoard.Set(50);
    yAxisBoard.Reset(kResetValue);

    xAxisStrip.Set(420);
    xAxisStrip.Reset(kResetValue);
    yAxisStrip.Set(710);
    yAxisStrip.Reset(kResetValue);
  }
  else if(!displayHisto){
      AliWarning("Display histogram not initialized. Please initialize it first!");
      return kFALSE;
  }
  else {
    TH1* inputHisto = dynamic_cast<TH1*>(inputObject);    
    if ( inputHisto ) {
      if ( inputHisto->GetEntries() == 0 ) {
	return kTRUE;
      }
    }
    else {
      TGraph* inputGraph = dynamic_cast<TGraph*>(inputObject);
      if ( inputGraph ) {
        if ( inputGraph->GetN() == 0 ){
	  return kTRUE;
        }
      }  
      else {
        AliWarning("The object should inherit from TH1 or TGraph!");
        return kFALSE;
      }
    }
  }

  Float_t xWidth, yWidth, yWidthSlat=0., xWidthCol=0.;
  Float_t x1,x2,y1,y2;
  Float_t x1b=0., x2b=0., y1b=0., y2b=0.;
  Float_t xcPad, ycPad;
  Int_t line=0, slat;
  Float_t sign = 1.;

  const Float_t kShiftB = 0.5;
  const Float_t kShiftS = 0.1;

  const Float_t kShiftX = (iCath==0) ? kShiftB : kShiftS;
  const Float_t kShiftY = (iCath==0) ? kShiftS : kShiftB;
  const Float_t kShiftEl = (displayType==kDisplaySlats) ? 0.01 : kShiftB;

  Int_t iChamber = iCh + AliMpConstants::NofTrackingChambers();
  for(Int_t iLoc = 0; iLoc < AliMpConstants::NofLocalBoards(); iLoc++) {  
    Int_t iBoard = iLoc+1;
    Int_t detElemId = AliMpDDLStore::Instance()->GetDEfromLocalBoard(iBoard, iChamber);

    if (!detElemId) continue;

    AliMpLocalBoard* localBoard = AliMpDDLStore::Instance()->GetLocalBoard(iBoard, kFALSE);

    // skip copy cards
    if( !localBoard->IsNotified()) 
      continue;

    // get segmentation
    const AliMpVSegmentation* seg[2] = {
      AliMpSegmentation::Instance()->GetMpSegmentation(detElemId, AliMp::GetCathodType(0)),
      AliMpSegmentation::Instance()->GetMpSegmentation(detElemId, AliMp::GetCathodType(1))};

    if(iLoc==0){
      AliMpPad pad1 = seg[1]->PadByLocation(iBoard,0,kFALSE);
      yWidthSlat = pad1.GetDimensionY();
      AliMpPad pad0 = seg[0]->PadByLocation(iBoard,0,kFALSE);
      xOffsetLine = TMath::Abs(pad0.GetPositionX()) + pad0.GetDimensionX();
      xWidthCol = 2.* pad0.GetDimensionX();
    }

    // Get ideal global position of DetElemId center
    slat = detElemId%100;
    line = (4 + slat)%18;
    sign = 1.;
    if(line>8) {
      line = 17 - line;
      sign = -1.;
    }
    yOffsetLine = (Float_t)(line - 4) * 2. * yWidthSlat;

    for(Int_t cath=0; cath<AliMpConstants::NofCathodes(); cath++){
      // Loop on cathodes: 
      // necessary because strip info is read for each cathode
      // board info is read only from cathode 0

      // loop over strips
      for (Int_t iStrip = 0; iStrip < 16; ++iStrip) {
	// get pad from electronics

	Int_t offset = 0;
	if (cath && localBoard->GetSwitch(AliMpLocalBoard::kZeroAllYLSB)) offset = -8;

	AliMpPad pad = seg[cath]->PadByLocation(iBoard,iStrip+offset,kFALSE);

	if (!pad.IsValid()) continue;

	xWidth = pad.GetDimensionX();
	yWidth = pad.GetDimensionY();
	xcPad = sign * (pad.GetPositionX() + xOffsetLine);
	if(line==4) xcPad += 0.75 * sign * xWidthCol;
	ycPad = pad.GetPositionY() + yOffsetLine;

	if(cath==iCath){
	  x1 = xcPad - xWidth + kShiftX;
	  y1 = ycPad - yWidth + kShiftY;
	  x2 = xcPad + xWidth - kShiftX;
	  y2 = ycPad + yWidth - kShiftY;

	  if(!inputObject){
	    AddSortedPoint(x1, xAxisStrip, kResetValue);
	    AddSortedPoint(x2, xAxisStrip, kResetValue);

	    AddSortedPoint(y1, yAxisStrip, kResetValue);
	    AddSortedPoint(y2, yAxisStrip, kResetValue);
	  }
	  else if(displayType==kDisplayStrips) 
	    FillBins(inputObject, displayHisto, iBoard, iStrip, x1, x2, y1, y2, kShiftX, kShiftY, displayOpt);
	}

	if(cath==0){
	  if(iStrip+offset==0) {
	    x1b = xcPad - xWidth + kShiftEl;
	    y1b = ycPad - yWidth + kShiftEl;
	  }
	  x2b = xcPad + xWidth - kShiftEl;
	  y2b = ycPad + yWidth - kShiftEl;
	}
      } // loop on strips

      // if iCath==0 strip info and board info are both filled -> break!
      // if iCath==1 board info is filled at cath==0. Strip info to be filled at cath==1
      if(iCath==0) break;
    } // loop on cathodes

    if(!inputObject){
      // Per board
      AddSortedPoint(x1b, xAxisBoard, kResetValue);
      AddSortedPoint(x2b, xAxisBoard, kResetValue);

      AddSortedPoint(y1b, yAxisBoard, kResetValue);
      AddSortedPoint(y2b, yAxisBoard, kResetValue);
    }
    else if(displayType==kDisplayBoards) 
      FillBins(inputObject, displayHisto, iBoard, -1, x1b, x2b, y1b, y2b, kShiftEl, kShiftEl, displayOpt);
    else if(displayType==kDisplaySlats) 
      FillBins(inputObject, displayHisto, slat, -1, x1b, x2b, y1b, y2b, kShiftEl, kShiftEl, displayOpt);
  } // loop on local boards

  if ( inputObject ) return kTRUE;

  displayHisto->Reset();

  // Book histos
  const Float_t kMinDiff = 0.1;

  TArrayD* currArray[4] = {&xAxisStrip, &yAxisStrip, 
			   &xAxisBoard, &yAxisBoard};
  for(Int_t iaxis=0; iaxis<4; iaxis++){
    Int_t ipoint=0;
    while(TMath::Abs((*currArray[iaxis])[ipoint]-kResetValue)>kMinDiff) { 
      ipoint++;
    }
    if(ipoint>currArray[iaxis]->GetSize()-2) 
      AliWarning(Form("Array size (%i) lower than the number of points!", currArray[iaxis]->GetSize()));
    currArray[iaxis]->Set(ipoint);
  }

  switch(displayType){
  case kDisplayStrips:
    displayHisto->SetBins(xAxisStrip.GetSize()-1, xAxisStrip.GetArray(),
			  yAxisStrip.GetSize()-1, yAxisStrip.GetArray());
    break;
  case kDisplayBoards:
  case kDisplaySlats:
    displayHisto->SetBins(xAxisBoard.GetSize()-1, xAxisBoard.GetArray(),
			  yAxisBoard.GetSize()-1, yAxisBoard.GetArray());
    break;
  }

  displayHisto->SetName(displayHistoName.Data());
  displayHisto->SetTitle(displayHistoTitle.Data());
  displayHisto->SetXTitle("X (cm)");
  displayHisto->SetYTitle("Y (cm)");
  //displayHisto->SetStats(kFALSE);

  return kTRUE;
}


//____________________________________________________________________________ 
Bool_t AliMUONTriggerDisplay::AddSortedPoint(Float_t currVal, TArrayD& position, const Float_t kResetValue)
{
  //
  /// Add sorted point in array according to an increasing order.
  /// Used to build display histograms axis.
  //
  Int_t nEntries = position.GetSize()-1;
  Float_t tmp1, tmp2;
  const Float_t kMinDiff = 0.1;
  for(Int_t i=0; i<nEntries; i++){
    if(TMath::Abs(position[i]-currVal)<kMinDiff) return kFALSE;
    if(TMath::Abs(position[i]-kResetValue)<kMinDiff) {
      position[i] = currVal;
      return kTRUE;
    }
    if(currVal>position[i]) continue;
    tmp1 = position[i];
    position[i] = currVal;
    for(Int_t j=i+1; j<nEntries; j++){
      tmp2 = position[j];
      position[j] = tmp1;
      tmp1 = tmp2;
      if(tmp1==kResetValue) break;
    }
    return kTRUE;
  }
  return kFALSE;
}


//____________________________________________________________________________ 
void AliMUONTriggerDisplay::FillBins(TObject* inputObject, TH2* displayHisto,
				     Int_t iElement1, Int_t iElement2,
				     Float_t x1, Float_t x2, Float_t y1, Float_t y2,
				     const Float_t kShiftX, const Float_t kShiftY,
				     EDisplayOption displayOpt)
{
  //
  /// Given the bin in inputHisto, search the corresponding bins
  /// in display histo and fill it.
  //
  Int_t binY=0;
  Float_t binContent=0;
  TH1* inputHisto = dynamic_cast<TH1*>(inputObject);
  if ( inputHisto ) {
    Int_t binX = inputHisto->GetXaxis()->FindBin(iElement1);
    if ( inputObject->IsA()->InheritsFrom("TH2") ) {
      binY = inputHisto->GetYaxis()->FindBin(iElement2);
      binContent = inputHisto->GetBinContent(binX, binY);
    }
    else binContent = inputHisto->GetBinContent(binX);
  }
  else {
    TGraph* inputGraph = dynamic_cast<TGraph*>(inputObject);
    if ( inputGraph ) {
      Double_t xpt, ypt;
      for ( Int_t ipt=0; ipt<inputGraph->GetN(); ipt++){
        inputGraph->GetPoint(ipt, xpt, ypt);
        if ( TMath::Abs(xpt - iElement1) < 0.1 ) {
	  binContent = ypt;
	  break;
        }
      }
    }
    else return;
  }  

  if(binContent==0) {
    if(displayOpt==kShowZeroes) binContent = 1e-5;
    else return;
  }

  Int_t binX1 = displayHisto->GetXaxis()->FindBin(x1 + 0.01*kShiftX);
  Int_t binX2 = displayHisto->GetXaxis()->FindBin(x2 - 0.01*kShiftX);
  Int_t binY1 = displayHisto->GetYaxis()->FindBin(y1 + 0.01*kShiftY);
  Int_t binY2 = displayHisto->GetYaxis()->FindBin(y2 - 0.01*kShiftY);

  if(displayOpt==kNumbered) {
    Int_t meanBin = (binX1+binX2)/2;
    binX1 = meanBin;
    binX2 = meanBin;
    
    meanBin = (binY1+binY2)/2;
    binY1 = meanBin;
    binY2 = meanBin;
  }

  Float_t elementArea = 1.;
  if(displayOpt == kNormalizeToArea) {
    elementArea = (x2 - x1 + 2*kShiftX) * 
      (y2 - y1 + 2*kShiftY); // In InitOrDisplayTriggerInfo: 
                             // x2 = x_c + xHalfWidth - kShiftX
                             // x1 = x_c - xHalfWidth + kShiftX
                             // so x2 - x1 + 2*kShiftX returns the element width.

  }

  for(Int_t ibinx=binX1; ibinx<=binX2; ibinx++){
    for(Int_t ibiny=binY1; ibiny<=binY2; ibiny++){
      displayHisto->SetBinContent(ibinx,ibiny,binContent/elementArea);
    }
  }
}
Commit	Line	Data
aef183f7	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, 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	// $Id$
	17
	18	// --- MUON header files ---
	19	#include "AliMUONTriggerDisplay.h"
aef183f7	20
	21	#include "AliMpDDLStore.h"
	22	#include "AliMpVSegmentation.h"
	23	#include "AliMpSegmentation.h"
	24	#include "AliMpConstants.h"
	25	#include "AliMpPad.h"
	26	#include "AliMpLocalBoard.h"
	27	#include "AliMpCDB.h"
	28
	29	// --- AliRoot header files ---
	30	#include "AliLog.h"
	31
	32	// --- ROOT system ---
	33	#include <TH1.h>
	34	#include <TH2.h>
f3d288ab	35	#include <TGraph.h>
aef183f7	36
	37	//-----------------------------------------------------------------------------
	38	/// \class AliMUONTriggerDisplay
	39	///
	40	/// MUON base class for converting histos as a function of strip/board/slat number
	41	/// into display histos showing the detection element position in the
49e110ec	42	/// trigger chamber.
	43	///
	44	/// Input histos can be given as:
	45	/// - TH2 with x -> board # [1-234] and y -> strip # in board [0-15]. Option: kDisplayStrips
	46	/// - TH1 with x -> board # [1-234] Option: kDisplayBoards
	47	/// - TH1 with x -> slat # [0-17] Option: kDisplaySlats
aef183f7	48	///
	49	/// \author D. Stocco
	50
	51	/// \cond CLASSIMP
	52	ClassImp(AliMUONTriggerDisplay)
	53	/// \endcond
	54
	55	//____________________________________________________________________________
	56	AliMUONTriggerDisplay::AliMUONTriggerDisplay() :
	57	TObject()
	58	{
	59	/// ctor
	60	}
	61
	62	//__________________________________________________________________
	63	AliMUONTriggerDisplay::~AliMUONTriggerDisplay()
	64	{
	65	/// dtor
	66	}
	67
	68
	69	//____________________________________________________________________________
	70	TH2* AliMUONTriggerDisplay::GetEmptyDisplayHisto(TString displayHistoName, EDisplayType displayType,
	71	Int_t cathode, Int_t chamber,
	72	TString displayHistoTitle)
	73	{
	74	//
	75	/// Return the display histogram with optimized binning
	76	/// but do not fill it.
	77	//
	78	TH2F* displayHisto = new TH2F();
	79
	80	InitOrDisplayTriggerInfo(0x0, displayHisto, displayType,
	81	cathode, chamber, displayHistoName, displayHistoTitle);
	82
	83	return displayHisto;
	84	}
	85
	86
	87	//____________________________________________________________________________
	88	TH2* AliMUONTriggerDisplay::GetBoardNumberHisto(TString displayHistoName,
	89	Int_t chamber,
	90	TString displayHistoTitle)
	91	{
	92	//
	93	/// Return the display histogram with optimized binning
	94	/// and fill it with the board number
	95	//
	96
	97	const Int_t kNboards = AliMpConstants::NofLocalBoards();
	98	TH1F* inputHisto = new TH1F("boardNumbers","Board Numbers",kNboards,0.5,(Float_t)kNboards + 0.5);
	99	for(Int_t ibin=1; ibin<=kNboards; ibin++){
	100	inputHisto->Fill(ibin,ibin);
	101	}
	102
	103	TH2F* displayHisto = (TH2F*)GetEmptyDisplayHisto(displayHistoName, kDisplayBoards, 0, chamber, displayHistoTitle);
	104	FillDisplayHistogram(inputHisto,displayHisto,kDisplayBoards,0,chamber,kNumbered);
	105
	106	delete inputHisto;
	107
	108	displayHisto->SetStats(kFALSE);
	109	return displayHisto;
	110	}
	111
112
113	//____________________________________________________________________________
114	TH2* AliMUONTriggerDisplay::GetDisplayHistogram(TH1* inputHisto, TString displayHistoName,
115	EDisplayType displayType, Int_t cathode,
116	Int_t chamber, TString displayHistoTitle,
117	EDisplayOption displayOpt)
118	{
119	//
120	/// Get histogram displaying the information contained in the input histogram
121	//
122	TH2* displayHisto = GetEmptyDisplayHisto(displayHistoName, displayType,
123	cathode, chamber, displayHistoTitle);
124
125	FillDisplayHistogram(inputHisto, displayHisto, displayType, cathode, chamber, displayOpt);
126
127	return displayHisto;
128	}
129
f3d288ab	130	//____________________________________________________________________________
	131	TH2* AliMUONTriggerDisplay::GetDisplayHistogram(TGraph* inputGraph, TString displayHistoName,
	132	EDisplayType displayType, Int_t cathode,
	133	Int_t chamber, TString displayHistoTitle,
	134	EDisplayOption displayOpt)
	135	{
	136	//
	137	/// Get histogram displaying the information contained in the input graph
	138	//
	139	TH2* displayHisto = GetEmptyDisplayHisto(displayHistoName, displayType,
	140	cathode, chamber, displayHistoTitle);
	141
	142	FillDisplayHistogram(inputGraph, displayHisto, displayType, cathode, chamber, displayOpt);
	143
	144	return displayHisto;
	145	}
	146
aef183f7	147	//____________________________________________________________________________
	148	Bool_t AliMUONTriggerDisplay::FillDisplayHistogram(TH1* inputHisto, TH2* displayHisto,
	149	EDisplayType displayType, Int_t cathode,
	150	Int_t chamber, EDisplayOption displayOpt)
	151	{
	152	//
	153	/// Fill a previously initialized display histogram
	154	/// with the information contained in inputHisto.
	155	/// To get initialized display, please use GetEmptyDisplayHisto method
	156	//
	157	return InitOrDisplayTriggerInfo(inputHisto, displayHisto, displayType,
	158	cathode, chamber, "", "",displayOpt);
	159	}
	160
	161	//____________________________________________________________________________
f3d288ab	162	Bool_t AliMUONTriggerDisplay::FillDisplayHistogram(TGraph* inputGraph, TH2* displayHisto,
	163	EDisplayType displayType, Int_t cathode,
	164	Int_t chamber, EDisplayOption displayOpt)
	165	{
	166	//
	167	/// Fill a previously initialized display histogram
	168	/// with the information contained in inputGraph.
	169	/// To get initialized display, please use GetEmptyDisplayHisto method
	170	//
	171	return InitOrDisplayTriggerInfo(inputGraph, displayHisto, displayType,
	172	cathode, chamber, "", "",displayOpt);
	173	}
	174
	175	//____________________________________________________________________________
	176	Bool_t AliMUONTriggerDisplay::InitOrDisplayTriggerInfo(TObject* inputObject, TH2* displayHisto,
aef183f7	177	EDisplayType displayType,
	178	Int_t cathode, Int_t chamber,
	179	TString displayHistoName, TString displayHistoTitle,
	180	EDisplayOption displayOpt)
	181	{
	182	//
	183	/// Initialize trigger information display histograms using mapping
	184	/// Trigger information is displayed in a user-friendly way:
	185	/// from local board and strip numbers to their position on chambers.
	186	//
	187
	188	// Load mapping
	189	if ( ! AliMpSegmentation::Instance(kFALSE) ) {
	190	/// Load mapping
	191	if ( ! AliMpCDB::LoadDDLStore() ) {
	192	AliError("Could not access mapping from OCDB !");
	193	AliError("Histograms are not initialized !");
	194	return kFALSE;
	195	}
	196	}
	197
	198	Int_t iCh = (chamber > AliMpConstants::NofTrackingChambers()) ? chamber - 11 : chamber;
	199	Int_t iCath = cathode;
	200
	201	TArrayD xAxisStrip;
	202	TArrayD yAxisStrip;
	203	TArrayD xAxisBoard;
	204	TArrayD yAxisBoard;
	205
	206	Float_t yOffsetLine, xOffsetLine = 0.;
	207
	208	const Float_t kResetValue=1234567.;
	209
f3d288ab	210	if(!inputObject){
aef183f7	211	xAxisBoard.Set(55);
	212	xAxisBoard.Reset(kResetValue);
	213	yAxisBoard.Set(50);
	214	yAxisBoard.Reset(kResetValue);
	215
	216	xAxisStrip.Set(420);
	217	xAxisStrip.Reset(kResetValue);
	218	yAxisStrip.Set(710);
	219	yAxisStrip.Reset(kResetValue);
	220	}
	221	else if(!displayHisto){
	222	AliWarning("Display histogram not initialized. Please initialize it first!");
	223	return kFALSE;
	224	}
f3d288ab	225	else {
	226	TH1* inputHisto = dynamic_cast<TH1*>(inputObject);
	227	if ( inputHisto ) {
	228	if ( inputHisto->GetEntries() == 0 ) {
	229	return kTRUE;
	230	}
	231	}
	232	else {
	233	TGraph* inputGraph = dynamic_cast<TGraph*>(inputObject);
32ceb7fa	234	if ( inputGraph ) {
	235	if ( inputGraph->GetN() == 0 ){
	236	return kTRUE;
	237	}
	238	}
	239	else {
	240	AliWarning("The object should inherit from TH1 or TGraph!");
	241	return kFALSE;
f3d288ab	242	}
f3d288ab	243	}
719914e0	244	}
aef183f7	245
	246	Float_t xWidth, yWidth, yWidthSlat=0., xWidthCol=0.;
	247	Float_t x1,x2,y1,y2;
	248	Float_t x1b=0., x2b=0., y1b=0., y2b=0.;
	249	Float_t xcPad, ycPad;
	250	Int_t line=0, slat;
	251	Float_t sign = 1.;
	252
	253	const Float_t kShiftB = 0.5;
	254	const Float_t kShiftS = 0.1;
	255
	256	const Float_t kShiftX = (iCath==0) ? kShiftB : kShiftS;
	257	const Float_t kShiftY = (iCath==0) ? kShiftS : kShiftB;
	258	const Float_t kShiftEl = (displayType==kDisplaySlats) ? 0.01 : kShiftB;
	259
	260	Int_t iChamber = iCh + AliMpConstants::NofTrackingChambers();
	261	for(Int_t iLoc = 0; iLoc < AliMpConstants::NofLocalBoards(); iLoc++) {
	262	Int_t iBoard = iLoc+1;
	263	Int_t detElemId = AliMpDDLStore::Instance()->GetDEfromLocalBoard(iBoard, iChamber);
	264
	265	if (!detElemId) continue;
	266
	267	AliMpLocalBoard* localBoard = AliMpDDLStore::Instance()->GetLocalBoard(iBoard, kFALSE);
	268
	269	// skip copy cards
	270	if( !localBoard->IsNotified())
	271	continue;
	272
	273	// get segmentation
	274	const AliMpVSegmentation* seg[2] = {
	275	AliMpSegmentation::Instance()->GetMpSegmentation(detElemId, AliMp::GetCathodType(0)),
	276	AliMpSegmentation::Instance()->GetMpSegmentation(detElemId, AliMp::GetCathodType(1))};
	277
	278	if(iLoc==0){
168e9c4d	279	AliMpPad pad1 = seg[1]->PadByLocation(iBoard,0,kFALSE);
6e97fbb8	280	yWidthSlat = pad1.GetDimensionY();
168e9c4d	281	AliMpPad pad0 = seg[0]->PadByLocation(iBoard,0,kFALSE);
6e97fbb8	282	xOffsetLine = TMath::Abs(pad0.GetPositionX()) + pad0.GetDimensionX();
6e97fbb8	283	xWidthCol = 2.* pad0.GetDimensionX();
aef183f7	284	}
	285
	286	// Get ideal global position of DetElemId center
	287	slat = detElemId%100;
	288	line = (4 + slat)%18;
	289	sign = 1.;
	290	if(line>8) {
	291	line = 17 - line;
	292	sign = -1.;
	293	}
	294	yOffsetLine = (Float_t)(line - 4) * 2. * yWidthSlat;
	295
	296	for(Int_t cath=0; cath<AliMpConstants::NofCathodes(); cath++){
	297	// Loop on cathodes:
	298	// necessary because strip info is read for each cathode
	299	// board info is read only from cathode 0
	300
	301	// loop over strips
	302	for (Int_t iStrip = 0; iStrip < 16; ++iStrip) {
	303	// get pad from electronics
32f0a7ea	304
32f0a7ea	305	Int_t offset = 0;
dc5d3949	306	if (cath && localBoard->GetSwitch(AliMpLocalBoard::kZeroAllYLSB)) offset = -8;
32f0a7ea	307
168e9c4d	308	AliMpPad pad = seg[cath]->PadByLocation(iBoard,iStrip+offset,kFALSE);
aef183f7	309
	310	if (!pad.IsValid()) continue;
	311
6e97fbb8	312	xWidth = pad.GetDimensionX();
	313	yWidth = pad.GetDimensionY();
	314	xcPad = sign * (pad.GetPositionX() + xOffsetLine);
aef183f7	315	if(line==4) xcPad += 0.75 * sign * xWidthCol;
6e97fbb8	316	ycPad = pad.GetPositionY() + yOffsetLine;
aef183f7	317
	318	if(cath==iCath){
	319	x1 = xcPad - xWidth + kShiftX;
	320	y1 = ycPad - yWidth + kShiftY;
	321	x2 = xcPad + xWidth - kShiftX;
	322	y2 = ycPad + yWidth - kShiftY;
	323
f3d288ab	324	if(!inputObject){
aef183f7	325	AddSortedPoint(x1, xAxisStrip, kResetValue);
	326	AddSortedPoint(x2, xAxisStrip, kResetValue);
	327
	328	AddSortedPoint(y1, yAxisStrip, kResetValue);
	329	AddSortedPoint(y2, yAxisStrip, kResetValue);
	330	}
	331	else if(displayType==kDisplayStrips)
f3d288ab	332	FillBins(inputObject, displayHisto, iBoard, iStrip, x1, x2, y1, y2, kShiftX, kShiftY, displayOpt);
aef183f7	333	}
	334
	335	if(cath==0){
32f0a7ea	336	if(iStrip+offset==0) {
aef183f7	337	x1b = xcPad - xWidth + kShiftEl;
	338	y1b = ycPad - yWidth + kShiftEl;
	339	}
	340	x2b = xcPad + xWidth - kShiftEl;
	341	y2b = ycPad + yWidth - kShiftEl;
	342	}
	343	} // loop on strips
	344
	345	// if iCath==0 strip info and board info are both filled -> break!
	346	// if iCath==1 board info is filled at cath==0. Strip info to be filled at cath==1
	347	if(iCath==0) break;
	348	} // loop on cathodes
	349
f3d288ab	350	if(!inputObject){
aef183f7	351	// Per board
	352	AddSortedPoint(x1b, xAxisBoard, kResetValue);
	353	AddSortedPoint(x2b, xAxisBoard, kResetValue);
	354
	355	AddSortedPoint(y1b, yAxisBoard, kResetValue);
	356	AddSortedPoint(y2b, yAxisBoard, kResetValue);
	357	}
	358	else if(displayType==kDisplayBoards)
f3d288ab	359	FillBins(inputObject, displayHisto, iBoard, -1, x1b, x2b, y1b, y2b, kShiftEl, kShiftEl, displayOpt);
aef183f7	360	else if(displayType==kDisplaySlats)
f3d288ab	361	FillBins(inputObject, displayHisto, slat, -1, x1b, x2b, y1b, y2b, kShiftEl, kShiftEl, displayOpt);
aef183f7	362	} // loop on local boards
aef183f7	363
f3d288ab	364	if ( inputObject ) return kTRUE;
aef183f7	365
	366	displayHisto->Reset();
	367
	368	// Book histos
	369	const Float_t kMinDiff = 0.1;
	370
	371	TArrayD* currArray[4] = {&xAxisStrip, &yAxisStrip,
	372	&xAxisBoard, &yAxisBoard};
	373	for(Int_t iaxis=0; iaxis<4; iaxis++){
	374	Int_t ipoint=0;
	375	while(TMath::Abs((*currArray[iaxis])[ipoint]-kResetValue)>kMinDiff) {
	376	ipoint++;
	377	}
	378	if(ipoint>currArray[iaxis]->GetSize()-2)
	379	AliWarning(Form("Array size (%i) lower than the number of points!", currArray[iaxis]->GetSize()));
	380	currArray[iaxis]->Set(ipoint);
	381	}
	382
	383	switch(displayType){
	384	case kDisplayStrips:
	385	displayHisto->SetBins(xAxisStrip.GetSize()-1, xAxisStrip.GetArray(),
	386	yAxisStrip.GetSize()-1, yAxisStrip.GetArray());
	387	break;
	388	case kDisplayBoards:
	389	case kDisplaySlats:
	390	displayHisto->SetBins(xAxisBoard.GetSize()-1, xAxisBoard.GetArray(),
	391	yAxisBoard.GetSize()-1, yAxisBoard.GetArray());
	392	break;
	393	}
	394
	395	displayHisto->SetName(displayHistoName.Data());
	396	displayHisto->SetTitle(displayHistoTitle.Data());
	397	displayHisto->SetXTitle("X (cm)");
	398	displayHisto->SetYTitle("Y (cm)");
	399	//displayHisto->SetStats(kFALSE);
	400
	401	return kTRUE;
	402	}
	403
	404
	405	//____________________________________________________________________________
	406	Bool_t AliMUONTriggerDisplay::AddSortedPoint(Float_t currVal, TArrayD& position, const Float_t kResetValue)
	407	{
	408	//
	409	/// Add sorted point in array according to an increasing order.
	410	/// Used to build display histograms axis.
	411	//
	412	Int_t nEntries = position.GetSize()-1;
	413	Float_t tmp1, tmp2;
	414	const Float_t kMinDiff = 0.1;
	415	for(Int_t i=0; i<nEntries; i++){
	416	if(TMath::Abs(position[i]-currVal)<kMinDiff) return kFALSE;
	417	if(TMath::Abs(position[i]-kResetValue)<kMinDiff) {
	418	position[i] = currVal;
	419	return kTRUE;
	420	}
	421	if(currVal>position[i]) continue;
	422	tmp1 = position[i];
	423	position[i] = currVal;
	424	for(Int_t j=i+1; j<nEntries; j++){
	425	tmp2 = position[j];
	426	position[j] = tmp1;
	427	tmp1 = tmp2;
	428	if(tmp1==kResetValue) break;
429	}
430	return kTRUE;
431	}
432	return kFALSE;
433	}
434
435
436	//____________________________________________________________________________
f3d288ab	437	void AliMUONTriggerDisplay::FillBins(TObject* inputObject, TH2* displayHisto,
aef183f7	438	Int_t iElement1, Int_t iElement2,
	439	Float_t x1, Float_t x2, Float_t y1, Float_t y2,
	440	const Float_t kShiftX, const Float_t kShiftY,
	441	EDisplayOption displayOpt)
	442	{
	443	//
	444	/// Given the bin in inputHisto, search the corresponding bins
	445	/// in display histo and fill it.
	446	//
aef183f7	447	Int_t binY=0;
aef183f7	448	Float_t binContent=0;
32ceb7fa	449	TH1* inputHisto = dynamic_cast<TH1*>(inputObject);
32ceb7fa	450	if ( inputHisto ) {
f3d288ab	451	Int_t binX = inputHisto->GetXaxis()->FindBin(iElement1);
32ceb7fa	452	if ( inputObject->IsA()->InheritsFrom("TH2") ) {
f3d288ab	453	binY = inputHisto->GetYaxis()->FindBin(iElement2);
	454	binContent = inputHisto->GetBinContent(binX, binY);
	455	}
	456	else binContent = inputHisto->GetBinContent(binX);
	457	}
	458	else {
	459	TGraph* inputGraph = dynamic_cast<TGraph*>(inputObject);
32ceb7fa	460	if ( inputGraph ) {
	461	Double_t xpt, ypt;
	462	for ( Int_t ipt=0; ipt<inputGraph->GetN(); ipt++){
	463	inputGraph->GetPoint(ipt, xpt, ypt);
	464	if ( TMath::Abs(xpt - iElement1) < 0.1 ) {
	465	binContent = ypt;
	466	break;
	467	}
f3d288ab	468	}
f3d288ab	469	}
32ceb7fa	470	else return;
32ceb7fa	471	}
aef183f7	472
	473	if(binContent==0) {
	474	if(displayOpt==kShowZeroes) binContent = 1e-5;
	475	else return;
	476	}
	477
	478	Int_t binX1 = displayHisto->GetXaxis()->FindBin(x1 + 0.01*kShiftX);
	479	Int_t binX2 = displayHisto->GetXaxis()->FindBin(x2 - 0.01*kShiftX);
	480	Int_t binY1 = displayHisto->GetYaxis()->FindBin(y1 + 0.01*kShiftY);
	481	Int_t binY2 = displayHisto->GetYaxis()->FindBin(y2 - 0.01*kShiftY);
	482
	483	if(displayOpt==kNumbered) {
	484	Int_t meanBin = (binX1+binX2)/2;
	485	binX1 = meanBin;
	486	binX2 = meanBin;
	487
	488	meanBin = (binY1+binY2)/2;
	489	binY1 = meanBin;
	490	binY2 = meanBin;
	491	}
	492
719914e0	493	Float_t elementArea = 1.;
	494	if(displayOpt == kNormalizeToArea) {
	495	elementArea = (x2 - x1 + 2kShiftX)
	496	(y2 - y1 + 2*kShiftY); // In InitOrDisplayTriggerInfo:
	497	// x2 = x_c + xHalfWidth - kShiftX
	498	// x1 = x_c - xHalfWidth + kShiftX
	499	// so x2 - x1 + 2*kShiftX returns the element width.
	500
	501	}
	502
aef183f7	503	for(Int_t ibinx=binX1; ibinx<=binX2; ibinx++){
aef183f7	504	for(Int_t ibiny=binY1; ibiny<=binY2; ibiny++){
719914e0	505	displayHisto->SetBinContent(ibinx,ibiny,binContent/elementArea);
aef183f7	506	}
	507	}
	508	}
	509