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