[u/mrichter/AliRoot.git] / STEER / AliMCQA.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.                  *
 **************************************************************************/

/*
$Log$
Revision 1.5  2001/01/26 19:58:48  hristov
Major upgrade of AliRoot code

Revision 1.4  2001/01/17 10:50:50  hristov
Corrections to destructors

Revision 1.3  2000/12/18 14:16:31  alibrary
HP compatibility fix

Revision 1.2  2000/12/18 11:33:48  alibrary
New call frequence histograms per module and volume

Revision 1.1  2000/11/30 07:12:48  alibrary
Introducing new Rndm and QA classes

*/

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//                                                                           //
///////////////////////////////////////////////////////////////////////////////


#include <strings.h>

#include "TObjArray.h"
#include "TH1.h"
#include "TList.h"
#include "TROOT.h"
#include "TBrowser.h"
#include "TMath.h"
#include "TLorentzVector.h"
#include "TDatabasePDG.h"
#include "TMath.h"
#include "TPad.h"
#include "TExec.h"
#include "TPaveLabel.h"
#include "TCanvas.h"

#include "AliMCQA.h"
#include "AliRun.h"
#include "AliModule.h"
#include "AliMC.h"

ClassImp(AliMCQA)


//_____________________________________________________________________________
AliMCQA::AliMCQA() : fQAList(0), fDetDone(0), fQAHist(0), fVolNames(0),
		     fModNames(0),fMPaveLabel(0),fVPaveLabel(0)
{
  //
  // Default constructor
  //
}

//_____________________________________________________________________________
AliMCQA::AliMCQA(Int_t ndets) : fMPaveLabel(0),fVPaveLabel(0)
{
  //
  // Constructor, creates the list of lists of histograms
  //
  TList *list;
  TH1F* h;
  Int_t i;
  
  fNdets=ndets;

  fQAList = new TObjArray(ndets);
  TObjArray &hist = *fQAList;

  char title[100];
  //
  TObjArray &mods = *(gAlice->Modules());
  AliModule *mod;
  TList *dir = gDirectory->GetList();
  for (i=0; i<ndets; i++) {
    hist[i] = list = new TList();
    mod = (AliModule *) mods[i];

    // Energy Spectrum
    sprintf(title,"Spectrum entering: %s ",mod->GetName());
    list->Add(new TH1F("hEnIn",strcat(title,mod->GetTitle()),100,-4,2));
    dir->Remove(dir->FindObject("hEnIn"));

    sprintf(title,"Spectrum exiting: %s ",mod->GetName());
    list->Add(new TH1F("hEnOut",strcat(title,mod->GetTitle()),100,-4,2));
    dir->Remove(dir->FindObject("hEnOut"));

    // Z position
    sprintf(title,"Z coordinate entering: %s ",mod->GetName());
    list->Add(new TH1F("hZIn",strcat(title,mod->GetTitle()),100,
		       mod->ZMin(),mod->ZMax()));
    dir->Remove(dir->FindObject("hZIn"));

    sprintf(title,"Z coordinate exiting: %s ",mod->GetName());
    list->Add(new TH1F("hZOut",strcat(title,mod->GetTitle()),100,
		       mod->ZMin(),mod->ZMax()));
    dir->Remove(dir->FindObject("hZOut"));
  }
  //
  gROOT->GetListOfBrowsables()->Add(this,"AliMCQA");

  fDetDone = new Int_t[fNdets];

  //
  // Global QA histograms
  //
  fQAHist = new TObjArray(2);
  fNvolumes=gMC->NofVolumes();
  
  fQAHist->Add(new TH1F("hMCVcalls","Monte Carlo calls per volume",
			fNvolumes, 0.5, fNvolumes+0.5));
  h = (TH1F*) dir->FindObject("hMCVcalls");
  h->GetListOfFunctions()->Add(new TExec("ex","gAlice->GetMCQA()->AddVolumeName()"));
  dir->Remove(dir->FindObject("hMCVcalls"));
  //
  // Build list of volume names
  //
  fVolNames=new TObjArray(fNvolumes);
  for(i=0;i<fNvolumes;++i) {
    AliModule *mod = (AliModule*)
      (*gAlice->Modules())[gAlice->DetFromMate(gMC->VolId2Mate(i+1))];
    (*fVolNames)[i]=new TNamed(gMC->VolName(i+1),mod->GetName());
  }

  fQAHist->Add(new TH1F("hMCMcalls","Monte Carlo calls per module",
			fNdets, -0.5, fNdets-0.5));
  h = (TH1F*) dir->FindObject("hMCMcalls");
   h->GetListOfFunctions()->Add(new TExec("ex","gAlice->GetMCQA()->AddModuleName()"));

  dir->Remove(dir->FindObject("hMCMcalls"));
  //
  // Build list of module names
  //
  fModNames=new TObjArray(fNdets);
  for(i=0;i<fNdets;++i) 
    (*fModNames)[i]=
      new TNamed(((AliModule *)(*gAlice->Modules())[i])->GetName(),"");
}

//_____________________________________________________________________________

AliMCQA::~AliMCQA() {
  if (fQAList) {
    fQAList->Delete();
    delete fQAList;
    fQAList=0;
  }
  if (fQAHist) {
    fQAHist->Delete();
    delete fQAHist;
    fQAHist=0;
  }
  if (fVolNames) {
    fVolNames->Delete();
    delete fVolNames;
    fVolNames=0;
  }
  if (fModNames) {
    fModNames->Delete();
    delete fModNames;
    fModNames=0;
  }
  delete [] fDetDone;
  delete fMPaveLabel;
  delete fVPaveLabel;
}

//_____________________________________________________________________________
void AliMCQA::Browse(TBrowser *b)
{
  //
  // Called when the item "Run" is clicked on the left pane
  // of the Root browser.
  // It displays the Root Trees and all detectors.
  //
  TH1 *hist;
  //
  // Global histos first
  //
  TIter global(fQAHist);
  while((hist = (TH1*)global())) 
    b->Add(hist,hist->GetTitle());
  //
  // Module histograms now
  //
  TIter next(fQAList);
  TList *histos;
  while((histos = (TList*)next())) {
    TIter next1(histos);
    while((hist = (TH1*)next1())) 
      b->Add(hist,hist->GetTitle());
  }
}

//_____________________________________________________________________________
void AliMCQA::PreTrack()
{
  //
  // Called before each track
  //
  fOldId=-1;
  for(Int_t i=0; i<fNdets; i++) fDetDone[i]=0;
}

//_____________________________________________________________________________
void AliMCQA::StepManager(Int_t id)
{
  //
  // Called at each step
  //
  TH1F *hist;
  Int_t copy;
  //
  // Fill Global histograms first
  //


  static TH1F* mcvcalls = (TH1F*) fQAHist->FindObject("hMCVcalls");
  mcvcalls->Fill(gMC->CurrentVolID(copy));
  static TH1F* mcmcalls = (TH1F*) fQAHist->FindObject("hMCMcalls");
  mcmcalls->Fill(id);

  //
  // Now the step manager histograms
  //
  if(fOldId != id) {
    static  Double_t mpi0=0;
    static  Double_t mpip=0;
    static  Double_t mpim=0;
    static  Double_t mep=0;
    static  Double_t mem=0;
    Double_t mass=0;
    Int_t num = gMC->TrackPid();

    switch (num) {
    case 111: 
      if (mpi0==0) mpi0=gAlice->PDGDB()->GetParticle(num)->Mass(); 
      mass=mpi0;
      break;
    case 211:
      if (mpip==0) mpip=gAlice->PDGDB()->GetParticle(num)->Mass(); 
      mass=mpip;
      break;
    case -211:
      if (mpim==0) mpim=gAlice->PDGDB()->GetParticle(num)->Mass(); 
      mass=mpim;
      break;
    case 11:
      if (mep==0) mep=gAlice->PDGDB()->GetParticle(num)->Mass(); 
      mass=mep;
      break;
    case -11:
      if (mem==0) mem=gAlice->PDGDB()->GetParticle(num)->Mass(); 
      mass=mem;
      break;
    default:
      mass =gAlice->PDGDB()->GetParticle(num)->Mass();
      break; 
    }

    static TLorentzVector p, x;
    gMC->TrackMomentum(p);
    gMC->TrackPosition(x);
    Double_t energy = TMath::Max(p[3]-mass,1.e-12);
    if(fOldId > -1) {
      if(!fDetDone[fOldId] && !gMC->IsNewTrack()) {
	TList *histold = (TList*) (*fQAList)[fOldId];
	hist = (TH1F*) histold->FindObject("hEnOut");
	hist->Fill(TMath::Log10(energy));
	hist = (TH1F*) histold->FindObject("hZOut");
	hist->Fill(x[2]);
	fDetDone[fOldId]=1;
      }
    }
    if(!fDetDone[id] && !gMC->IsNewTrack()) {
      TList *histnew = (TList*) (*fQAList)[id];
      hist = (TH1F*) histnew->FindObject("hEnIn");
      hist->Fill(TMath::Log10(energy));
      hist = (TH1F*) histnew->FindObject("hZIn");
      hist->Fill(x[2]);
    }
    fOldId=id;
  }
}

//_____________________________________________________________________________
void AliMCQA::AddModuleName()
{
  //
  // Add function DrawModuleName to the module frequency histogram pad
  //
  static TVirtualPad* oldpad=0;
  if(oldpad!=gPad) {
    gPad->GetCanvas()->FeedbackMode(kTRUE);
    if(gPad) gPad->AddExec("ex","gAlice->GetMCQA()->DrawModuleName()");
    DrawPaveLabel(fMPaveLabel);
    oldpad=gPad;
  }
}

//_____________________________________________________________________________
void AliMCQA::AddVolumeName()
{
  //
  // Add function DrawVolumeName to the volume frequency histogram pad
  //
  static TVirtualPad* oldpad=0;
  if(oldpad!=gPad) {
    gPad->GetCanvas()->FeedbackMode(kTRUE);
    if(gPad) gPad->AddExec("ex","gAlice->GetMCQA()->DrawVolumeName()");
    DrawPaveLabel(fVPaveLabel);
    oldpad=gPad;
  }
}

//_____________________________________________________________________________
void AliMCQA::DrawPaveLabel(TPaveLabel *&pv)
{
  //
  // Draws the PaveLabel with the meaning of the bin
  //
  float uxmin = gPad->GetUxmin();
  float uxmax = gPad->GetUxmax();
  float uymin = gPad->GetUymin();
  float uymax = gPad->GetUymax();
  float lx = uxmax-uxmin;
  float ly = uymax-uymin;

  if(pv) delete pv;
  pv 
    = new TPaveLabel(uxmin+0.05*lx,uymax-(0.05+0.1)*ly,
		     uxmin+(0.05+0.2)*lx,uymax-0.05*ly,
		     "");
  pv->Draw();
}

//_____________________________________________________________________________
Int_t AliMCQA::GetHBin(const char* hname)
{
  //
  // Get the bin where the cursor is
  //
  TList *dir = gDirectory->GetList();
  TH1 *h=(TH1*)dir->FindObject(hname);
  

  int px = gPad->GetEventX();
  Float_t upx = gPad->AbsPixeltoX(px);
  Float_t x = gPad->PadtoX(upx);
    
  return h->GetXaxis()->FindBin(x);
}

//_____________________________________________________________________________
void AliMCQA::DrawModuleName()
{
  //
  // Writes the name of the module of the bin where the cursor is
  //
  TObject *select = gPad->GetSelected();
  if(!select) return;
  
  Int_t binx = GetHBin("hMCMcalls");
  if(0<binx && binx<=fNdets) {
    char lab[15];
    strcpy(lab,((TNamed*)(*fModNames)[binx-1])->GetName());
    fMPaveLabel->SetLabel(lab);
  
    gPad->Modified();
    gPad->Update();
  }
}

//_____________________________________________________________________________
void AliMCQA::DrawVolumeName()
{
  //
  // Writes the name of the volume:module of the bin where the cursor is
  //
  TObject *select = gPad->GetSelected();
  if(!select) return;

  Int_t binx = GetHBin("hMCVcalls");
  if(0<binx && binx<=fNvolumes) {
    char lab[20];
    sprintf(lab,"%s: %s",((TNamed*)(*fVolNames)[binx-1])->GetName(),
	    ((TNamed*)(*fVolNames)[binx-1])->GetTitle());
    fVPaveLabel->SetLabel(lab);
    
    gPad->Modified();
    gPad->Update();
  }
}
Commit	Line	Data
65fb704d	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	/*
	17	$Log$
e1b78510	18	Revision 1.5 2001/01/26 19:58:48 hristov
	19	Major upgrade of AliRoot code
	20
2ab0c725	21	Revision 1.4 2001/01/17 10:50:50 hristov
	22	Corrections to destructors
	23
e460afec	24	Revision 1.3 2000/12/18 14:16:31 alibrary
	25	HP compatibility fix
	26
af2e514f	27	Revision 1.2 2000/12/18 11:33:48 alibrary
	28	New call frequence histograms per module and volume
	29
8409d8c9	30	Revision 1.1 2000/11/30 07:12:48 alibrary
	31	Introducing new Rndm and QA classes
	32
65fb704d	33	*/
	34
	35	///////////////////////////////////////////////////////////////////////////////
	36	// //
	37	// //
	38	///////////////////////////////////////////////////////////////////////////////
	39
8409d8c9	40
65fb704d	41	#include <strings.h>
	42
	43	#include "TObjArray.h"
	44	#include "TH1.h"
	45	#include "TList.h"
	46	#include "TROOT.h"
	47	#include "TBrowser.h"
	48	#include "TMath.h"
	49	#include "TLorentzVector.h"
	50	#include "TDatabasePDG.h"
	51	#include "TMath.h"
8409d8c9	52	#include "TPad.h"
	53	#include "TExec.h"
	54	#include "TPaveLabel.h"
	55	#include "TCanvas.h"
65fb704d	56
	57	#include "AliMCQA.h"
	58	#include "AliRun.h"
	59	#include "AliModule.h"
	60	#include "AliMC.h"
	61
	62	ClassImp(AliMCQA)
	63
	64
	65	//_____________________________________________________________________________
8409d8c9	66	AliMCQA::AliMCQA() : fQAList(0), fDetDone(0), fQAHist(0), fVolNames(0),
	67	fModNames(0),fMPaveLabel(0),fVPaveLabel(0)
	68	{
	69	//
	70	// Default constructor
	71	//
	72	}
	73
	74	//_____________________________________________________________________________
	75	AliMCQA::AliMCQA(Int_t ndets) : fMPaveLabel(0),fVPaveLabel(0)
65fb704d	76	{
	77	//
	78	// Constructor, creates the list of lists of histograms
	79	//
	80	TList *list;
8409d8c9	81	TH1F* h;
af2e514f	82	Int_t i;
8409d8c9	83
8409d8c9	84	fNdets=ndets;
65fb704d	85
	86	fQAList = new TObjArray(ndets);
	87	TObjArray &hist = *fQAList;
	88
	89	char title[100];
	90	//
	91	TObjArray &mods = *(gAlice->Modules());
	92	AliModule *mod;
	93	TList *dir = gDirectory->GetList();
af2e514f	94	for (i=0; i<ndets; i++) {
65fb704d	95	hist[i] = list = new TList();
	96	mod = (AliModule *) mods[i];
	97
	98	// Energy Spectrum
	99	sprintf(title,"Spectrum entering: %s ",mod->GetName());
	100	list->Add(new TH1F("hEnIn",strcat(title,mod->GetTitle()),100,-4,2));
	101	dir->Remove(dir->FindObject("hEnIn"));
	102
	103	sprintf(title,"Spectrum exiting: %s ",mod->GetName());
	104	list->Add(new TH1F("hEnOut",strcat(title,mod->GetTitle()),100,-4,2));
	105	dir->Remove(dir->FindObject("hEnOut"));
	106
	107	// Z position
	108	sprintf(title,"Z coordinate entering: %s ",mod->GetName());
	109	list->Add(new TH1F("hZIn",strcat(title,mod->GetTitle()),100,
	110	mod->ZMin(),mod->ZMax()));
	111	dir->Remove(dir->FindObject("hZIn"));
	112
	113	sprintf(title,"Z coordinate exiting: %s ",mod->GetName());
	114	list->Add(new TH1F("hZOut",strcat(title,mod->GetTitle()),100,
	115	mod->ZMin(),mod->ZMax()));
	116	dir->Remove(dir->FindObject("hZOut"));
	117	}
	118	//
	119	gROOT->GetListOfBrowsables()->Add(this,"AliMCQA");
	120
	121	fDetDone = new Int_t[fNdets];
8409d8c9	122
	123	//
	124	// Global QA histograms
	125	//
	126	fQAHist = new TObjArray(2);
	127	fNvolumes=gMC->NofVolumes();
	128
	129	fQAHist->Add(new TH1F("hMCVcalls","Monte Carlo calls per volume",
	130	fNvolumes, 0.5, fNvolumes+0.5));
	131	h = (TH1F*) dir->FindObject("hMCVcalls");
	132	h->GetListOfFunctions()->Add(new TExec("ex","gAlice->GetMCQA()->AddVolumeName()"));
	133	dir->Remove(dir->FindObject("hMCVcalls"));
	134	//
	135	// Build list of volume names
	136	//
8409d8c9	137	fVolNames=new TObjArray(fNvolumes);
	138	for(i=0;i<fNvolumes;++i) {
	139	AliModule mod = (AliModule)
	140	(*gAlice->Modules())[gAlice->DetFromMate(gMC->VolId2Mate(i+1))];
	141	(*fVolNames)[i]=new TNamed(gMC->VolName(i+1),mod->GetName());
	142	}
	143
	144	fQAHist->Add(new TH1F("hMCMcalls","Monte Carlo calls per module",
	145	fNdets, -0.5, fNdets-0.5));
	146	h = (TH1F*) dir->FindObject("hMCMcalls");
	147	h->GetListOfFunctions()->Add(new TExec("ex","gAlice->GetMCQA()->AddModuleName()"));
	148
	149	dir->Remove(dir->FindObject("hMCMcalls"));
	150	//
	151	// Build list of module names
	152	//
	153	fModNames=new TObjArray(fNdets);
	154	for(i=0;i<fNdets;++i)
	155	(*fModNames)[i]=
	156	new TNamed(((AliModule )(gAlice->Modules())[i])->GetName(),"");
65fb704d	157	}
65fb704d	158
e460afec	159	//_____________________________________________________________________________
	160
	161	AliMCQA::~AliMCQA() {
	162	if (fQAList) {
	163	fQAList->Delete();
	164	delete fQAList;
	165	fQAList=0;
	166	}
	167	if (fQAHist) {
	168	fQAHist->Delete();
	169	delete fQAHist;
	170	fQAHist=0;
	171	}
	172	if (fVolNames) {
	173	fVolNames->Delete();
	174	delete fVolNames;
	175	fVolNames=0;
	176	}
	177	if (fModNames) {
	178	fModNames->Delete();
	179	delete fModNames;
	180	fModNames=0;
	181	}
e1b78510	182	delete [] fDetDone;
	183	delete fMPaveLabel;
	184	delete fVPaveLabel;
e460afec	185	}
e460afec	186
65fb704d	187	//_____________________________________________________________________________
	188	void AliMCQA::Browse(TBrowser *b)
	189	{
	190	//
	191	// Called when the item "Run" is clicked on the left pane
	192	// of the Root browser.
	193	// It displays the Root Trees and all detectors.
	194	//
8409d8c9	195	TH1 *hist;
	196	//
	197	// Global histos first
	198	//
	199	TIter global(fQAHist);
	200	while((hist = (TH1*)global()))
	201	b->Add(hist,hist->GetTitle());
	202	//
	203	// Module histograms now
	204	//
65fb704d	205	TIter next(fQAList);
65fb704d	206	TList *histos;
65fb704d	207	while((histos = (TList*)next())) {
65fb704d	208	TIter next1(histos);
8409d8c9	209	while((hist = (TH1*)next1()))
65fb704d	210	b->Add(hist,hist->GetTitle());
65fb704d	211	}
	212	}
	213
	214	//_____________________________________________________________________________
	215	void AliMCQA::PreTrack()
	216	{
8409d8c9	217	//
	218	// Called before each track
	219	//
65fb704d	220	fOldId=-1;
	221	for(Int_t i=0; i<fNdets; i++) fDetDone[i]=0;
	222	}
	223
	224	//_____________________________________________________________________________
	225	void AliMCQA::StepManager(Int_t id)
	226	{
8409d8c9	227	//
	228	// Called at each step
	229	//
	230	TH1F *hist;
	231	Int_t copy;
	232	//
	233	// Fill Global histograms first
	234	//
2ab0c725	235
	236
	237	static TH1F* mcvcalls = (TH1F*) fQAHist->FindObject("hMCVcalls");
	238	mcvcalls->Fill(gMC->CurrentVolID(copy));
	239	static TH1F* mcmcalls = (TH1F*) fQAHist->FindObject("hMCMcalls");
	240	mcmcalls->Fill(id);
	241
8409d8c9	242	//
	243	// Now the step manager histograms
	244	//
65fb704d	245	if(fOldId != id) {
2ab0c725	246	static Double_t mpi0=0;
	247	static Double_t mpip=0;
	248	static Double_t mpim=0;
	249	static Double_t mep=0;
	250	static Double_t mem=0;
	251	Double_t mass=0;
	252	Int_t num = gMC->TrackPid();
	253
	254	switch (num) {
	255	case 111:
	256	if (mpi0==0) mpi0=gAlice->PDGDB()->GetParticle(num)->Mass();
	257	mass=mpi0;
	258	break;
	259	case 211:
	260	if (mpip==0) mpip=gAlice->PDGDB()->GetParticle(num)->Mass();
	261	mass=mpip;
	262	break;
	263	case -211:
	264	if (mpim==0) mpim=gAlice->PDGDB()->GetParticle(num)->Mass();
	265	mass=mpim;
	266	break;
	267	case 11:
	268	if (mep==0) mep=gAlice->PDGDB()->GetParticle(num)->Mass();
	269	mass=mep;
	270	break;
	271	case -11:
	272	if (mem==0) mem=gAlice->PDGDB()->GetParticle(num)->Mass();
	273	mass=mem;
	274	break;
	275	default:
	276	mass =gAlice->PDGDB()->GetParticle(num)->Mass();
	277	break;
	278	}
	279
	280	static TLorentzVector p, x;
65fb704d	281	gMC->TrackMomentum(p);
65fb704d	282	gMC->TrackPosition(x);
2ab0c725	283	Double_t energy = TMath::Max(p[3]-mass,1.e-12);
65fb704d	284	if(fOldId > -1) {
	285	if(!fDetDone[fOldId] && !gMC->IsNewTrack()) {
	286	TList histold = (TList) (*fQAList)[fOldId];
	287	hist = (TH1F*) histold->FindObject("hEnOut");
	288	hist->Fill(TMath::Log10(energy));
	289	hist = (TH1F*) histold->FindObject("hZOut");
	290	hist->Fill(x[2]);
	291	fDetDone[fOldId]=1;
	292	}
	293	}
	294	if(!fDetDone[id] && !gMC->IsNewTrack()) {
	295	TList histnew = (TList) (*fQAList)[id];
	296	hist = (TH1F*) histnew->FindObject("hEnIn");
	297	hist->Fill(TMath::Log10(energy));
	298	hist = (TH1F*) histnew->FindObject("hZIn");
	299	hist->Fill(x[2]);
	300	}
	301	fOldId=id;
	302	}
	303	}
8409d8c9	304
	305	//_____________________________________________________________________________
	306	void AliMCQA::AddModuleName()
	307	{
	308	//
	309	// Add function DrawModuleName to the module frequency histogram pad
	310	//
	311	static TVirtualPad* oldpad=0;
	312	if(oldpad!=gPad) {
	313	gPad->GetCanvas()->FeedbackMode(kTRUE);
	314	if(gPad) gPad->AddExec("ex","gAlice->GetMCQA()->DrawModuleName()");
	315	DrawPaveLabel(fMPaveLabel);
	316	oldpad=gPad;
	317	}
	318	}
	319
	320	//_____________________________________________________________________________
	321	void AliMCQA::AddVolumeName()
	322	{
	323	//
	324	// Add function DrawVolumeName to the volume frequency histogram pad
	325	//
	326	static TVirtualPad* oldpad=0;
	327	if(oldpad!=gPad) {
	328	gPad->GetCanvas()->FeedbackMode(kTRUE);
	329	if(gPad) gPad->AddExec("ex","gAlice->GetMCQA()->DrawVolumeName()");
	330	DrawPaveLabel(fVPaveLabel);
	331	oldpad=gPad;
	332	}
	333	}
	334
	335	//_____________________________________________________________________________
	336	void AliMCQA::DrawPaveLabel(TPaveLabel *&pv)
	337	{
	338	//
	339	// Draws the PaveLabel with the meaning of the bin
	340	//
	341	float uxmin = gPad->GetUxmin();
	342	float uxmax = gPad->GetUxmax();
	343	float uymin = gPad->GetUymin();
	344	float uymax = gPad->GetUymax();
	345	float lx = uxmax-uxmin;
	346	float ly = uymax-uymin;
	347
	348	if(pv) delete pv;
	349	pv
	350	= new TPaveLabel(uxmin+0.05lx,uymax-(0.05+0.1)ly,
	351	uxmin+(0.05+0.2)lx,uymax-0.05ly,
	352	"");
	353	pv->Draw();
	354	}
	355
	356	//_____________________________________________________________________________
	357	Int_t AliMCQA::GetHBin(const char* hname)
	358	{
	359	//
	360	// Get the bin where the cursor is
	361	//
	362	TList *dir = gDirectory->GetList();
	363	TH1 h=(TH1)dir->FindObject(hname);
	364
	365
	366	int px = gPad->GetEventX();
	367	Float_t upx = gPad->AbsPixeltoX(px);
368	Float_t x = gPad->PadtoX(upx);
369
370	return h->GetXaxis()->FindBin(x);
371	}
372
373	//_____________________________________________________________________________
374	void AliMCQA::DrawModuleName()
375	{
376	//
377	// Writes the name of the module of the bin where the cursor is
378	//
379	TObject *select = gPad->GetSelected();
380	if(!select) return;
381
382	Int_t binx = GetHBin("hMCMcalls");
383	if(0<binx && binx<=fNdets) {
384	char lab[15];
385	strcpy(lab,((TNamed)(fModNames)[binx-1])->GetName());
386	fMPaveLabel->SetLabel(lab);
387
388	gPad->Modified();
389	gPad->Update();
390	}
391	}
392
393	//_____________________________________________________________________________
394	void AliMCQA::DrawVolumeName()
395	{
396	//
397	// Writes the name of the volume:module of the bin where the cursor is
398	//
399	TObject *select = gPad->GetSelected();
400	if(!select) return;
401
402	Int_t binx = GetHBin("hMCVcalls");
403	if(0<binx && binx<=fNvolumes) {
404	char lab[20];
405	sprintf(lab,"%s: %s",((TNamed)(fVolNames)[binx-1])->GetName(),
406	((TNamed)(fVolNames)[binx-1])->GetTitle());
407	fVPaveLabel->SetLabel(lab);
408
409	gPad->Modified();
410	gPad->Update();
411	}
412	}
413
414