[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>

//-----------------------------------------------------------------------------
/// \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
///
/// \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;
}

//____________________________________________________________________________ 
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::InitOrDisplayTriggerInfo(TH1* inputHisto, 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(!inputHisto){
    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;
  }

  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(AliMpIntPair(iBoard,0),kFALSE);
      yWidthSlat = pad1.Dimensions().Y();
      AliMpPad pad0 = seg[0]->PadByLocation(AliMpIntPair(iBoard,0),kFALSE);
      xOffsetLine = TMath::Abs(pad0.Position().X()) + pad0.Dimensions().X();
      xWidthCol = 2.* pad0.Dimensions().X();
    }

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

	if (!pad.IsValid()) continue;

	xWidth = pad.Dimensions().X();
	yWidth = pad.Dimensions().Y();
	xcPad = sign * (pad.Position().X() + xOffsetLine);
	if(line==4) xcPad += 0.75 * sign * xWidthCol;
	ycPad = pad.Position().Y() + yOffsetLine;

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

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

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

	if(cath==0){
	  if(iStrip==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(!inputHisto){
      // Per board
      AddSortedPoint(x1b, xAxisBoard, kResetValue);
      AddSortedPoint(x2b, xAxisBoard, kResetValue);

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

  if(inputHisto) 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(TH1* inputHisto, 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.
  //
  TString className = inputHisto->ClassName();
  Int_t binY=0;
  Float_t binContent=0;
  Int_t binX = inputHisto->GetXaxis()->FindBin(iElement1);
  if(className.Contains("2")) {
    binY = inputHisto->GetYaxis()->FindBin(iElement2);
    binContent = inputHisto->GetBinContent(binX, binY);
  }
  else binContent = inputHisto->GetBinContent(binX);

  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;
  }

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