[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 1.4  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;
  }
}

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