[u/mrichter/AliRoot.git] / PHOS / AliPHOSRecPoint.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.                  *
 **************************************************************************/
/* $Id$ */
//_________________________________________________________________________
//  Base Class for PHOS Reconstructed Points  
//  Why should I put meaningless comments
//  just to satisfy
//  the code checker                
//-- Author: Gines Martinez (SUBATECH)

// --- ROOT system ---
#include "TPad.h"
#include "TGraph.h"
#include "TPaveText.h"
#include "TClonesArray.h"
#include "TGeoMatrix.h"

// --- Standard library ---

// --- AliRoot header files ---
#include "AliLog.h"
#include "AliPHOSLoader.h"
#include "AliPHOSGeometry.h"
#include "AliPHOSDigit.h"
#include "AliPHOSRecPoint.h"
#include "AliGeomManager.h"

ClassImp(AliPHOSRecPoint)


//____________________________________________________________________________
AliPHOSRecPoint::AliPHOSRecPoint()
  : AliCluster(),fPHOSMod(0),
    fMulTrack(0),fMaxDigit(100),fMulDigit(0),fMaxTrack(200),
    fDigitsList(0),fTracksList(0),fAmp(0),
    fIndexInList(-1), // to be set when the point is already stored
    fLocPos(0,0,0)
{
  // ctor

}

//____________________________________________________________________________
AliPHOSRecPoint::AliPHOSRecPoint(const char * ) 
  : AliCluster(),fPHOSMod(0),
    fMulTrack(0),fMaxDigit(100),fMulDigit(0),fMaxTrack(200),
    fDigitsList(new Int_t[fMaxDigit]),fTracksList(new Int_t[fMaxTrack]),fAmp(0),
    fIndexInList(-1), // to be set when the point is already stored
    fLocPos(0,0,0)

{
  // ctor
  
}
//_______________________________________________________________________
AliPHOSRecPoint::~AliPHOSRecPoint()
{
  // dtor
  
  delete [] fDigitsList ; 
  delete [] fTracksList ;  
  
}
//____________________________________________________________________________
AliPHOSRecPoint::AliPHOSRecPoint(const AliPHOSRecPoint &rp) : 
  AliCluster(rp),
  fPHOSMod(rp.fPHOSMod),fMulTrack(rp.fMulTrack),fMaxDigit(rp.fMaxDigit),
  fMulDigit(rp.fMulDigit),fMaxTrack(rp.fMaxTrack),fDigitsList(0x0),
  fTracksList(0x0),fAmp(rp.fAmp),fIndexInList(rp.fIndexInList), 
  fLocPos(rp.fLocPos)
{
  //copy ctor

  if (rp.fMulDigit>0) fDigitsList = new Int_t[rp.fMulDigit];
  for(Int_t i=0; i<fMulDigit; i++)
    fDigitsList[i] = rp.fDigitsList[i];

  if (rp.fMulTrack>0) fTracksList = new Int_t[rp.fMulTrack];
  for(Int_t i=0; i<fMulTrack; i++)
    fTracksList[i] = rp.fTracksList[i];
  
}
//____________________________________________________________________________
AliPHOSRecPoint& AliPHOSRecPoint::operator= (const AliPHOSRecPoint &rp)
{
  if(&rp == this) return *this;

  fPHOSMod = rp.fPHOSMod;
  fMulTrack = rp.fMulTrack;
  fMaxDigit = rp.fMaxDigit;
  fMulDigit = rp.fMulDigit;
  fMaxTrack = rp.fMaxTrack;
  fAmp = rp.fAmp;
  fIndexInList = rp.fIndexInList; 
  fLocPos = rp.fLocPos;

  for(Int_t i=0; i<fMaxDigit; i++)
    fDigitsList[i] = rp.fDigitsList[i];

  for(Int_t i=0; i<fMaxTrack; i++)
    fTracksList[i] = rp.fTracksList[i];

  return *this;
}
//____________________________________________________________________________
Int_t AliPHOSRecPoint::DistancetoPrimitive(Int_t px, Int_t py)
{
  // Compute distance from point px,py to  a AliPHOSRecPoint considered as a Tmarker
  // Compute the closest distance of approach from point px,py to this marker.
  // The distance is computed in pixels units.

  TVector3 pos(0.,0.,0.) ;
  GetLocalPosition( pos) ;
  Float_t x =  pos.X() ;
  Float_t y =  pos.Z() ;
  const Int_t kMaxDiff = 10;
  Int_t pxm  = gPad->XtoAbsPixel(x);
  Int_t pym  = gPad->YtoAbsPixel(y);
  Int_t dist = (px-pxm)*(px-pxm) + (py-pym)*(py-pym);
  
  if (dist > kMaxDiff) return 9999;
  return dist;
}

//___________________________________________________________________________
 void AliPHOSRecPoint::Draw(Option_t *option)
 {
   // Draw this AliPHOSRecPoint with its current attributes
   
   AppendPad(option);
 }

//______________________________________________________________________________
void AliPHOSRecPoint::ExecuteEvent(Int_t event, Int_t, Int_t)
{
  // Execute action corresponding to one event
  // This member function is called when a AliPHOSRecPoint is clicked with the locator
  //
  // If Left button is clicked on AliPHOSRecPoint, the digits are switched on    
  // and switched off when the mouse button is released.

  //  static Int_t pxold, pyold;

  static TGraph *  digitgraph = 0 ;
  static TPaveText* clustertext = 0 ;
  
  if (!gPad->IsEditable()) return;
  
  switch (event) {
    
    
  case kButton1Down:{
    AliPHOSDigit * digit ;
  
    AliPHOSGeometry * phosgeom =  AliPHOSGeometry::GetInstance() ;

    Int_t iDigit;
    Int_t relid[4] ;
  
    const Int_t kMulDigit=AliPHOSRecPoint::GetDigitsMultiplicity() ;
    Float_t * xi = new Float_t [kMulDigit] ; 
    Float_t * zi = new Float_t [kMulDigit] ;
    
    for(iDigit = 0; iDigit < kMulDigit; iDigit++) {
      Fatal("AliPHOSRecPoint::ExecuteEvent", "-> Something wrong with the code"); 
      digit = 0 ; //dynamic_cast<AliPHOSDigit *>((fDigitsList)[iDigit]);
      phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
      phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]) ;
    }
    
    if (!digitgraph) {
      digitgraph = new TGraph(fMulDigit,xi,zi);
      digitgraph-> SetMarkerStyle(5) ; 
      digitgraph-> SetMarkerSize(1.) ;
      digitgraph-> SetMarkerColor(1) ;
      digitgraph-> Draw("P") ;
    }
    if (!clustertext) {
      
      TVector3 pos(0.,0.,0.) ;
      GetLocalPosition(pos) ;
      clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ;
      Text_t  line1[40] ;
      Text_t  line2[40] ;
      sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ;
      sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ;
      clustertext ->AddText(line1) ;
      clustertext ->AddText(line2) ;
      clustertext ->Draw("");
    }
    gPad->Update() ; 
    Print("dummy") ;
    delete[] xi ; 
    delete[] zi ; 
   }
  
break;
  
  case kButton1Up:
    if (digitgraph) {
      delete digitgraph  ;
      digitgraph = 0 ;
    }
    if (clustertext) {
      delete clustertext ;
      clustertext = 0 ;
    }
    
    break;
    
  }
}
//____________________________________________________________________________
void AliPHOSRecPoint::EvalAll(TClonesArray * /* digits */) 
{
  //evaluates (if necessary) all RecPoint data members 

}

//____________________________________________________________________________
void AliPHOSRecPoint::EvalPHOSMod(AliPHOSDigit * digit) 
{
  // Returns the PHOS module in which the RecPoint is found

  if( fPHOSMod == 0){
  Int_t relid[4] ; 
 
  AliPHOSGeometry * phosgeom = (AliPHOSGeometry::GetInstance());

  phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
  fPHOSMod = relid[0];
  }
}

//____________________________________________________________________________
void AliPHOSRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrixF & gmat) const
{
  // returns the position of the cluster in the global reference system of ALICE
  // and the uncertainty on this position

   AliPHOSGeometry * phosgeom = (AliPHOSGeometry::GetInstance());
   phosgeom->GetGlobalPHOS(this, gpos, gmat);
  
}

//______________________________________________________________________________
void AliPHOSRecPoint::Paint(Option_t *)
{
  // Paint this ALiRecPoint as a TMarker  with its current attributes
  
  TVector3 pos(0.,0.,0.)  ;
  GetLocalPosition(pos)   ;
  Coord_t x = pos.X()     ;
  Coord_t y = pos.Z()     ;
  Color_t markercolor = 1 ;
  Size_t  markersize = 1. ;
  Style_t markerstyle = 5 ;
  
  if (!gPad->IsBatch()) {
    gVirtualX->SetMarkerColor(markercolor) ;
    gVirtualX->SetMarkerSize (markersize)  ;
    gVirtualX->SetMarkerStyle(markerstyle) ;
  }
  gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ;
  gPad->PaintPolyMarker(1,&x,&y,"") ;
}
//______________________________________________________________________________
void AliPHOSRecPoint::GetLocalPosition(TVector3 & pos) const
{
  // returns the position of the cluster in the local reference system 
  // of the sub-detector
  
  pos = fLocPos;
}

//____________________________________________________________________________
void AliPHOSRecPoint::EvalLocal2TrackingCSTransform()
{
  //Evaluates local to "tracking" c.s. transformation (B.P.).
  //All evaluations should be completed before calling for this function.
  //See ALICE PPR Chapter 5 p.18 for "tracking" c.s. definition,
  //or just ask Jouri Belikov. :)

  if(IsEmc()) {
    SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kPHOS1,GetPHOSMod()-1));
  }
  else
    SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kPHOS2,GetPHOSMod()-1));

  Double_t lxyz[3] = {fLocPos.X(),fLocPos.Y(),fLocPos.Z()};
  Double_t txyz[3] = {0,0,0};
  Double_t dy;
  Double_t crystalShift;

  AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance();
  AliPHOSEMCAGeometry* geoEMCA = phosgeom->GetEMCAGeometry(); 

  //Calculate offset to crystal surface.
  //See fCrystalShift code in AliPHOSGeometry::Init()).

  const Float_t * inthermo = geoEMCA->GetInnerThermoHalfSize() ;
  const Float_t * strip    = geoEMCA->GetStripHalfSize() ;
  const Float_t * splate   = geoEMCA->GetSupportPlateHalfSize();
  const Float_t * crystal  = geoEMCA->GetCrystalHalfSize() ;
  const Float_t * pin      = geoEMCA->GetAPDHalfSize() ;
  const Float_t * preamp   = geoEMCA->GetPreampHalfSize() ;
  crystalShift = -inthermo[1]+strip[1]+splate[1]+crystal[1]-geoEMCA->GetAirGapLed()/2.+pin[1]+preamp[1] ;

  if(IsEmc()) {
    dy = crystalShift;
    lxyz[2] = -lxyz[2]; //Opposite z directions in EMC matrix and local frame!!!
  }
  else
    dy = phosgeom->GetCPVBoxSize(1)/2.; //center of CPV module

  lxyz[1] = lxyz[1] - dy;

  const TGeoHMatrix* tr2loc = GetTracking2LocalMatrix();
  if(!tr2loc) AliFatal(Form("No Tracking2LocalMatrix found for VolumeID=%d",GetVolumeId()));

  tr2loc->MasterToLocal(lxyz,txyz);
  SetX(txyz[0]); SetY(txyz[1]); SetZ(txyz[2]);

  if(AliLog::GetGlobalDebugLevel()>0) {
    TVector3 gpos; TMatrixF gmat;
    GetGlobalPosition(gpos,gmat);
    Float_t gxyz[3];
    GetGlobalXYZ(gxyz);
    TString emc;
    if(IsEmc()) 
      emc="EMC";
    else
      emc="CPV";
    AliInfo(Form("lCS-->(%.3f,%.3f,%.3f), tCS-->(%.3f,%.3f,%.3f), gCS-->(%.3f,%.3f,%.3f),  gCScalc-->(%.3f,%.3f,%.3f), module %d %s",
		 fLocPos.X(),fLocPos.Y(),fLocPos.Z(),
		 GetX(),GetY(),GetZ(),
		 gpos.X(),gpos.Y(),gpos.Z(),
		 gxyz[0],gxyz[1],gxyz[2],GetPHOSMod(),emc.Data()));
  }

}
Commit	Line	Data
	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	/* $Id$ */
	16	//_________________________________________________________________________
	17	// Base Class for PHOS Reconstructed Points
	18	// Why should I put meaningless comments
	19	// just to satisfy
	20	// the code checker
	21	//-- Author: Gines Martinez (SUBATECH)
	22
	23	// --- ROOT system ---
	24	#include "TPad.h"
	25	#include "TGraph.h"
	26	#include "TPaveText.h"
	27	#include "TClonesArray.h"
	28	#include "TGeoMatrix.h"
	29
	30	// --- Standard library ---
	31
	32	// --- AliRoot header files ---
	33	#include "AliLog.h"
	34	#include "AliPHOSLoader.h"
	35	#include "AliPHOSGeometry.h"
	36	#include "AliPHOSDigit.h"
	37	#include "AliPHOSRecPoint.h"
	38	#include "AliGeomManager.h"
	39
	40	ClassImp(AliPHOSRecPoint)
	41
	42
	43	//____________________________________________________________________________
	44	AliPHOSRecPoint::AliPHOSRecPoint()
	45	: AliCluster(),fPHOSMod(0),
	46	fMulTrack(0),fMaxDigit(100),fMulDigit(0),fMaxTrack(200),
	47	fDigitsList(0),fTracksList(0),fAmp(0),
	48	fIndexInList(-1), // to be set when the point is already stored
	49	fLocPos(0,0,0)
	50	{
	51	// ctor
	52
	53	}
	54
	55	//____________________________________________________________________________
	56	AliPHOSRecPoint::AliPHOSRecPoint(const char * )
	57	: AliCluster(),fPHOSMod(0),
	58	fMulTrack(0),fMaxDigit(100),fMulDigit(0),fMaxTrack(200),
	59	fDigitsList(new Int_t[fMaxDigit]),fTracksList(new Int_t[fMaxTrack]),fAmp(0),
	60	fIndexInList(-1), // to be set when the point is already stored
	61	fLocPos(0,0,0)
	62
	63	{
	64	// ctor
	65
	66	}
	67	//_______________________________________________________________________
	68	AliPHOSRecPoint::~AliPHOSRecPoint()
	69	{
	70	// dtor
	71
	72	delete [] fDigitsList ;
	73	delete [] fTracksList ;
	74
	75	}
	76	//____________________________________________________________________________
	77	AliPHOSRecPoint::AliPHOSRecPoint(const AliPHOSRecPoint &rp) :
	78	AliCluster(rp),
	79	fPHOSMod(rp.fPHOSMod),fMulTrack(rp.fMulTrack),fMaxDigit(rp.fMaxDigit),
	80	fMulDigit(rp.fMulDigit),fMaxTrack(rp.fMaxTrack),fDigitsList(0x0),
	81	fTracksList(0x0),fAmp(rp.fAmp),fIndexInList(rp.fIndexInList),
	82	fLocPos(rp.fLocPos)
	83	{
	84	//copy ctor
	85
	86	if (rp.fMulDigit>0) fDigitsList = new Int_t[rp.fMulDigit];
	87	for(Int_t i=0; i<fMulDigit; i++)
	88	fDigitsList[i] = rp.fDigitsList[i];
	89
	90	if (rp.fMulTrack>0) fTracksList = new Int_t[rp.fMulTrack];
	91	for(Int_t i=0; i<fMulTrack; i++)
	92	fTracksList[i] = rp.fTracksList[i];
	93
	94	}
	95	//____________________________________________________________________________
	96	AliPHOSRecPoint& AliPHOSRecPoint::operator= (const AliPHOSRecPoint &rp)
	97	{
	98	if(&rp == this) return *this;
	99
	100	fPHOSMod = rp.fPHOSMod;
	101	fMulTrack = rp.fMulTrack;
	102	fMaxDigit = rp.fMaxDigit;
	103	fMulDigit = rp.fMulDigit;
	104	fMaxTrack = rp.fMaxTrack;
	105	fAmp = rp.fAmp;
	106	fIndexInList = rp.fIndexInList;
	107	fLocPos = rp.fLocPos;
	108
	109	for(Int_t i=0; i<fMaxDigit; i++)
	110	fDigitsList[i] = rp.fDigitsList[i];
	111
	112	for(Int_t i=0; i<fMaxTrack; i++)
	113	fTracksList[i] = rp.fTracksList[i];
	114
	115	return *this;
	116	}
	117	//____________________________________________________________________________
	118	Int_t AliPHOSRecPoint::DistancetoPrimitive(Int_t px, Int_t py)
	119	{
	120	// Compute distance from point px,py to a AliPHOSRecPoint considered as a Tmarker
	121	// Compute the closest distance of approach from point px,py to this marker.
	122	// The distance is computed in pixels units.
	123
	124	TVector3 pos(0.,0.,0.) ;
	125	GetLocalPosition( pos) ;
	126	Float_t x = pos.X() ;
	127	Float_t y = pos.Z() ;
	128	const Int_t kMaxDiff = 10;
	129	Int_t pxm = gPad->XtoAbsPixel(x);
	130	Int_t pym = gPad->YtoAbsPixel(y);
	131	Int_t dist = (px-pxm)(px-pxm) + (py-pym)(py-pym);
	132
	133	if (dist > kMaxDiff) return 9999;
	134	return dist;
	135	}
	136
	137	//___________________________________________________________________________
	138	void AliPHOSRecPoint::Draw(Option_t *option)
	139	{
	140	// Draw this AliPHOSRecPoint with its current attributes
	141
	142	AppendPad(option);
	143	}
	144
	145	//______________________________________________________________________________
	146	void AliPHOSRecPoint::ExecuteEvent(Int_t event, Int_t, Int_t)
	147	{
	148	// Execute action corresponding to one event
	149	// This member function is called when a AliPHOSRecPoint is clicked with the locator
	150	//
	151	// If Left button is clicked on AliPHOSRecPoint, the digits are switched on
	152	// and switched off when the mouse button is released.
	153
	154	// static Int_t pxold, pyold;
	155
	156	static TGraph * digitgraph = 0 ;
	157	static TPaveText* clustertext = 0 ;
	158
	159	if (!gPad->IsEditable()) return;
	160
	161	switch (event) {
	162
	163
	164	case kButton1Down:{
	165	AliPHOSDigit * digit ;
	166
	167	AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance() ;
	168
	169	Int_t iDigit;
	170	Int_t relid[4] ;
	171
	172	const Int_t kMulDigit=AliPHOSRecPoint::GetDigitsMultiplicity() ;
	173	Float_t * xi = new Float_t [kMulDigit] ;
	174	Float_t * zi = new Float_t [kMulDigit] ;
	175
	176	for(iDigit = 0; iDigit < kMulDigit; iDigit++) {
	177	Fatal("AliPHOSRecPoint::ExecuteEvent", "-> Something wrong with the code");
	178	digit = 0 ; //dynamic_cast<AliPHOSDigit *>((fDigitsList)[iDigit]);
	179	phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
	180	phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]) ;
	181	}
	182
	183	if (!digitgraph) {
	184	digitgraph = new TGraph(fMulDigit,xi,zi);
	185	digitgraph-> SetMarkerStyle(5) ;
	186	digitgraph-> SetMarkerSize(1.) ;
	187	digitgraph-> SetMarkerColor(1) ;
	188	digitgraph-> Draw("P") ;
	189	}
	190	if (!clustertext) {
	191
	192	TVector3 pos(0.,0.,0.) ;
	193	GetLocalPosition(pos) ;
	194	clustertext = new TPaveText(pos.X()-10,pos.Z()+10,pos.X()+50,pos.Z()+35,"") ;
	195	Text_t line1[40] ;
	196	Text_t line2[40] ;
	197	sprintf(line1,"Energy=%1.2f GeV",GetEnergy()) ;
	198	sprintf(line2,"%d Digits",GetDigitsMultiplicity()) ;
	199	clustertext ->AddText(line1) ;
	200	clustertext ->AddText(line2) ;
	201	clustertext ->Draw("");
	202	}
	203	gPad->Update() ;
	204	Print("dummy") ;
	205	delete[] xi ;
	206	delete[] zi ;
	207	}
	208
	209	break;
	210
	211	case kButton1Up:
	212	if (digitgraph) {
	213	delete digitgraph ;
	214	digitgraph = 0 ;
	215	}
	216	if (clustertext) {
	217	delete clustertext ;
	218	clustertext = 0 ;
	219	}
	220
	221	break;
	222
	223	}
	224	}
	225	//____________________________________________________________________________
	226	void AliPHOSRecPoint::EvalAll(TClonesArray * /* digits */)
	227	{
	228	//evaluates (if necessary) all RecPoint data members
	229
	230	}
	231
	232	//____________________________________________________________________________
	233	void AliPHOSRecPoint::EvalPHOSMod(AliPHOSDigit * digit)
	234	{
	235	// Returns the PHOS module in which the RecPoint is found
	236
	237	if( fPHOSMod == 0){
	238	Int_t relid[4] ;
	239
	240	AliPHOSGeometry * phosgeom = (AliPHOSGeometry::GetInstance());
	241
	242	phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
	243	fPHOSMod = relid[0];
	244	}
	245	}
	246
	247	//____________________________________________________________________________
	248	void AliPHOSRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrixF & gmat) const
	249	{
	250	// returns the position of the cluster in the global reference system of ALICE
	251	// and the uncertainty on this position
	252
	253	AliPHOSGeometry * phosgeom = (AliPHOSGeometry::GetInstance());
	254	phosgeom->GetGlobalPHOS(this, gpos, gmat);
	255
	256	}
	257
	258	//______________________________________________________________________________
	259	void AliPHOSRecPoint::Paint(Option_t *)
	260	{
	261	// Paint this ALiRecPoint as a TMarker with its current attributes
	262
	263	TVector3 pos(0.,0.,0.) ;
	264	GetLocalPosition(pos) ;
	265	Coord_t x = pos.X() ;
	266	Coord_t y = pos.Z() ;
	267	Color_t markercolor = 1 ;
	268	Size_t markersize = 1. ;
	269	Style_t markerstyle = 5 ;
	270
	271	if (!gPad->IsBatch()) {
	272	gVirtualX->SetMarkerColor(markercolor) ;
	273	gVirtualX->SetMarkerSize (markersize) ;
	274	gVirtualX->SetMarkerStyle(markerstyle) ;
	275	}
	276	gPad->SetAttMarkerPS(markercolor,markerstyle,markersize) ;
	277	gPad->PaintPolyMarker(1,&x,&y,"") ;
	278	}
	279	//______________________________________________________________________________
	280	void AliPHOSRecPoint::GetLocalPosition(TVector3 & pos) const
	281	{
	282	// returns the position of the cluster in the local reference system
	283	// of the sub-detector
	284
	285	pos = fLocPos;
	286	}
	287
	288	//____________________________________________________________________________
	289	void AliPHOSRecPoint::EvalLocal2TrackingCSTransform()
	290	{
	291	//Evaluates local to "tracking" c.s. transformation (B.P.).
	292	//All evaluations should be completed before calling for this function.
	293	//See ALICE PPR Chapter 5 p.18 for "tracking" c.s. definition,
	294	//or just ask Jouri Belikov. :)
	295
	296	if(IsEmc()) {
	297	SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kPHOS1,GetPHOSMod()-1));
	298	}
	299	else
	300	SetVolumeId(AliGeomManager::LayerToVolUID(AliGeomManager::kPHOS2,GetPHOSMod()-1));
	301
	302	Double_t lxyz[3] = {fLocPos.X(),fLocPos.Y(),fLocPos.Z()};
	303	Double_t txyz[3] = {0,0,0};
	304	Double_t dy;
	305	Double_t crystalShift;
	306
	307	AliPHOSGeometry * phosgeom = AliPHOSGeometry::GetInstance();
	308	AliPHOSEMCAGeometry* geoEMCA = phosgeom->GetEMCAGeometry();
	309
	310	//Calculate offset to crystal surface.
	311	//See fCrystalShift code in AliPHOSGeometry::Init()).
	312
	313	const Float_t * inthermo = geoEMCA->GetInnerThermoHalfSize() ;
	314	const Float_t * strip = geoEMCA->GetStripHalfSize() ;
	315	const Float_t * splate = geoEMCA->GetSupportPlateHalfSize();
	316	const Float_t * crystal = geoEMCA->GetCrystalHalfSize() ;
	317	const Float_t * pin = geoEMCA->GetAPDHalfSize() ;
	318	const Float_t * preamp = geoEMCA->GetPreampHalfSize() ;
	319	crystalShift = -inthermo[1]+strip[1]+splate[1]+crystal[1]-geoEMCA->GetAirGapLed()/2.+pin[1]+preamp[1] ;
	320
	321	if(IsEmc()) {
	322	dy = crystalShift;
	323	lxyz[2] = -lxyz[2]; //Opposite z directions in EMC matrix and local frame!!!
	324	}
	325	else
	326	dy = phosgeom->GetCPVBoxSize(1)/2.; //center of CPV module
	327
	328	lxyz[1] = lxyz[1] - dy;
	329
	330	const TGeoHMatrix* tr2loc = GetTracking2LocalMatrix();
	331	if(!tr2loc) AliFatal(Form("No Tracking2LocalMatrix found for VolumeID=%d",GetVolumeId()));
	332
	333	tr2loc->MasterToLocal(lxyz,txyz);
	334	SetX(txyz[0]); SetY(txyz[1]); SetZ(txyz[2]);
	335
	336	if(AliLog::GetGlobalDebugLevel()>0) {
	337	TVector3 gpos; TMatrixF gmat;
	338	GetGlobalPosition(gpos,gmat);
	339	Float_t gxyz[3];
	340	GetGlobalXYZ(gxyz);
	341	TString emc;
	342	if(IsEmc())
	343	emc="EMC";
	344	else
	345	emc="CPV";
	346	AliInfo(Form("lCS-->(%.3f,%.3f,%.3f), tCS-->(%.3f,%.3f,%.3f), gCS-->(%.3f,%.3f,%.3f), gCScalc-->(%.3f,%.3f,%.3f), module %d %s",
	347	fLocPos.X(),fLocPos.Y(),fLocPos.Z(),
	348	GetX(),GetY(),GetZ(),
	349	gpos.X(),gpos.Y(),gpos.Z(),
	350	gxyz[0],gxyz[1],gxyz[2],GetPHOSMod(),emc.Data()));
	351	}
	352
	353	}