[u/mrichter/AliRoot.git] / MUON / AliMUONSegmentationV01.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.                  *
 **************************************************************************/

/* $Id$ */

/////////////////////////////////////////////////////
//  Segmentation and Response classes version 01   //
/////////////////////////////////////////////////////

#include <TBox.h> 
#include <TTUBE.h>
#include <TBRIK.h>
#include <TNode.h>  
#include <TGeometry.h>  
#include <TF1.h> 
#include <TVector3.h> 
#include <TObjArray.h>
#include <Riostream.h>

#include "AliMUONSegmentationV01.h"
#include "AliMUON.h"
#include "AliMUONChamber.h"
#include "AliRun.h"


//___________________________________________
ClassImp(AliMUONSegmentationV01)

  AliMUONSegmentationV01::AliMUONSegmentationV01(const AliMUONSegmentationV01& segmentation):AliMUONSegmentationV0(segmentation)
{
// Dummy copy constructor
}

AliMUONSegmentationV01::AliMUONSegmentationV01() 
{
// Default constructor
    fRSec = 0;
    fNDiv = 0;      
    fDpxD = 0;
    fCorrA = 0;
    fSector = -1;
}

AliMUONSegmentationV01::AliMUONSegmentationV01(Int_t nsec) 
{
//  Non default constructor

    fNsec = nsec;
    fRSec = new TArrayF(fNsec);
    fNDiv = new TArrayI(fNsec);      
    fDpxD = new TArrayF(fNsec);      


    (*fRSec)[0]=(*fRSec)[1]=(*fRSec)[2]=(*fRSec)[3]=0;     
    (*fNDiv)[0]=(*fNDiv)[1]=(*fNDiv)[2]=(*fNDiv)[3]=0;     
    (*fDpxD)[0]=(*fDpxD)[1]=(*fDpxD)[2]=(*fDpxD)[3]=0;     
    fCorrA = new TObjArray(3);
    fCorrA->AddAt(0,0);
    fCorrA->AddAt(0,1);
    fCorrA->AddAt(0,2);
    fOffsetY=0;
    fSector = -1;
} 

AliMUONSegmentationV01::~AliMUONSegmentationV01() 
{
// Destructor
    if (fRSec) delete fRSec;
    if (fNDiv) delete fNDiv;
    if (fDpxD) delete fDpxD;
    if (fCorrA) {
	fCorrA->Delete();
	delete fCorrA;
    }
} 


Float_t AliMUONSegmentationV01::Dpx(Int_t isec) const
{
//
// Returns x-pad size for given sector isec
   Float_t dpx = (*fDpxD)[isec];
   return dpx;
}

Float_t AliMUONSegmentationV01::Dpy(Int_t /*isec*/) const
{
//
// Returns y-pad size for given sector isec
   return fDpy;
}
    
void   AliMUONSegmentationV01::SetSegRadii(Float_t  r[4])
{
//
// Set the radii of the segmentation zones 
    for (Int_t i=0; i<4; i++) {
	(*fRSec)[i]=r[i];
    }
}


void AliMUONSegmentationV01::SetPadDivision(Int_t ndiv[4])
{
//
// Defines the pad size perp. to the anode wire (y) for different sectors. 
// Pad sizes are defined as integral fractions ndiv of a basis pad size
// fDpx
// 
    for (Int_t i=0; i<4; i++) {
	(*fNDiv)[i]=ndiv[i];
    }
    ndiv[0]=ndiv[1];
}


void AliMUONSegmentationV01::Init(Int_t chamber)
{
//
//  Fill the arrays fCx (x-contour) and fNpxS (ix-contour) for each sector
//  These arrays help in converting from real to pad co-ordinates and
//  vice versa.
//  This version approximates concentric segmentation zones
//
    Int_t isec;
    //printf("\n Initialise Segmentation V01\n");


    fNpy=Int_t((*fRSec)[fNsec-1]/fDpy)+1;

    (*fDpxD)[fNsec-1]=fDpx;
    if (fNsec > 1) {
	for (Int_t i=fNsec-2; i>=0; i--){
	    (*fDpxD)[i]=(*fDpxD)[fNsec-1]/(*fNDiv)[i];
	}
    }
//
// fill the arrays defining the pad segmentation boundaries
    Float_t ry;
    Int_t   dnx;
    Int_t   add;
//
//  loop over sections
    for(isec=0; isec<fNsec; isec++) {
//  
//  loop over pads along the aode wires
	for (Int_t iy=1; iy<=fNpy; iy++) {
//
	    Float_t x=iy*fDpy-fDpy/2;
	    if (x > (*fRSec)[isec]) {
		fNpxS[isec][iy]=0;
		fCx[isec][iy]=0;
	    } else {
		ry=TMath::Sqrt((*fRSec)[isec]*(*fRSec)[isec]-x*x);
		if (isec > 1) {
		    dnx= Int_t((ry-fCx[isec-1][iy])/(*fDpxD)[isec]);
		    if (isec < fNsec-1) {
			if (TMath::Odd((Long_t)dnx)) dnx++;    		
		    }
                    fNpxS[isec][iy]=fNpxS[isec-1][iy]+dnx;
          	    fCx[isec][iy]=fCx[isec-1][iy]+dnx*(*fDpxD)[isec];
		} else if (isec == 1) {
		    dnx= Int_t((ry-fCx[isec-1][iy])/(*fDpxD)[isec]);
		    fNpxS[isec][iy]=fNpxS[isec-1][iy]+dnx;
                    add=4 - (fNpxS[isec][iy])%4;
                    if (add < 4) fNpxS[isec][iy]+=add; 
		    dnx=fNpxS[isec][iy]-fNpxS[isec-1][iy];
		    fCx[isec][iy]=fCx[isec-1][iy]+dnx*(*fDpxD)[isec];
		} else {
		    dnx=Int_t(ry/(*fDpxD)[isec]);
                    fNpxS[isec][iy]=dnx;
		    fCx[isec][iy]=dnx*(*fDpxD)[isec];
		}
	    }
	} // y-pad loop
    } // sector loop
// reference to chamber
    AliMUON *pMUON  = (AliMUON *) gAlice->GetModule("MUON");
    fChamber=&(pMUON->Chamber(chamber));
    fZ = fChamber->Z();
    fId=chamber;
}

Int_t AliMUONSegmentationV01::Sector(Int_t ix, Int_t iy)
{
// Returns sector number for given pad position
//
    Int_t absix=TMath::Abs(ix);
    Int_t absiy=TMath::Abs(iy);
    Int_t isec=0;
    for (Int_t i=0; i<fNsec; i++) {
	if (absix<=fNpxS[i][absiy]){
	    isec=i;
	    break;
	}
    }
    return isec;
}
//______________________________________________________________________
void AliMUONSegmentationV01::GetPadI(Float_t x, Float_t y, Int_t &ix, Int_t &iy)
{
//  Returns pad coordinates (ix,iy) for given real coordinates (x,y)
//
    iy = (y-fOffsetY >0)? 
      Int_t((y-fOffsetY)/fDpy)+1 
      : 
      Int_t((y-fOffsetY)/fDpy)-1;
  
    if (iy >  fNpy) iy= fNpy;
    if (iy < -fNpy) iy=-fNpy;
//
//  Find sector isec
    Int_t isec=-1;
    Float_t absx=TMath::Abs(x);
    Int_t absiy=TMath::Abs(iy);
    for (Int_t i=0; i < fNsec; i++) {
	if (absx <= fCx[i][absiy]) {
	    isec=i;
	    break;
	}
    }
    if (isec>0) {
	ix= Int_t((absx-fCx[isec-1][absiy])/(*fDpxD)[isec])
	    +fNpxS[isec-1][absiy]+1;
    } else if (isec == 0) {
	ix= Int_t(absx/(*fDpxD)[isec])+1;
    } else {
	ix=fNpxS[fNsec-1][absiy]+1;	
    }
    ix = (x>0) ? ix:-ix;
}
//________________________________________________________________
void AliMUONSegmentationV01::GetPadI(Float_t x, Float_t y , Float_t /*z*/, Int_t &ix, Int_t &iy) 
{
  GetPadI(x, y, ix, iy);
}
//________________________________________________________________

void AliMUONSegmentationV01::
GetPadC(Int_t ix, Int_t iy, Float_t &x, Float_t &y)
{
//  Returns real coordinates (x,y) for given pad coordinates (ix,iy)
//
    y = (iy>0) ?
      Float_t(iy*fDpy)-fDpy/2.+fOffsetY
      :
      Float_t(iy*fDpy)+fDpy/2.+fOffsetY; 

//
//  Find sector isec
    Int_t isec=AliMUONSegmentationV01::Sector(ix,iy);
//
    Int_t absix=TMath::Abs(ix);
    Int_t absiy=TMath::Abs(iy);
    if (isec) {
	x=fCx[isec-1][absiy]+(absix-fNpxS[isec-1][absiy])*(*fDpxD)[isec];
	x=(ix>0) ?  x-(*fDpxD)[isec]/2 : -x+(*fDpxD)[isec]/2;
    } else {
	x=y=0;
    }

}
//________________________________________________________________

void AliMUONSegmentationV01::
GetPadC(Int_t ix, Int_t iy, Float_t &x, Float_t &y, Float_t &z)
{
//  Returns real coordinates (x,y,z) for given pad coordinates (ix,iy)
//
  GetPadC(ix,iy,x,y); 
    
  // To be properly interfaced with chamber geometry (AliMUONSt1GeometryBuilderV2) ???
  TVector3 scale[4];  
  scale[0] = TVector3( 1,  1,  1);  // quadrant I
  scale[1] = TVector3(-1,  1, -1);  // quadrant II
  scale[2] = TVector3(-1, -1,  1);  // quadrant III
  scale[3] = TVector3( 1, -1, -1);  // quadrant IV

  Int_t iQuadrant;
  
  if (ix > 0) {
    if (iy > 0) {
      iQuadrant = 0;
    } else {
      iQuadrant = 3;
    }
  } else {
    if (iy > 0) {
      iQuadrant = 1;
    } else {
      iQuadrant = 2;
    }
  }      
  if (TMath::Abs(fZ) <  600) {
    z = fZ + scale[iQuadrant].Z()*6.5/2.; // Station 1
  } else {
    z = fZ;  // Station 2
  }
}

void AliMUONSegmentationV01::
SetPad(Int_t ix, Int_t iy)
{
    //
    // Sets virtual pad coordinates, needed for evaluating pad response 
    // outside the tracking program 
    GetPadC(ix,iy,fX,fY);
    fSector=Sector(ix,iy);
}

//______________________________________________________________________
void AliMUONSegmentationV01::FirstPad(Float_t xhit, Float_t yhit, Float_t dx, Float_t dy)
{
// Initialises iteration over pads for charge distribution algorithm
//
    //
    // Find the wire position (center of charge distribution)
    Float_t x0a=GetAnod(xhit);
    fXhit=x0a;
    fYhit=yhit;
    
    //
    // and take fNsigma*sigma around this center
    Float_t x01=x0a  - dx;
    Float_t x02=x0a  + dx;
    Float_t y01=yhit - dy;
    Float_t y02=yhit + dy;
    //
    // find the pads over which the charge distributes

    GetPadI(x01,y01,fIxmin,fIymin);
    GetPadI(x02,y02,fIxmax,fIymax);
    fXmin=x01;
    fXmax=x02;
    fYmin=y01;
    fYmax=y02;
    
    // 
    // Set current pad to lower left corner
    if (fIxmax < fIxmin) fIxmax=fIxmin;
    if (fIymax < fIymin) fIymax=fIymin;    
    fIx=fIxmin;
    fIy=fIymin;
    GetPadC(fIx,fIy,fX,fY);
    
    // added 
    if (fSector == -1) {
      fSector=Sector(fIx,fIy);
    }
}


void AliMUONSegmentationV01::NextPad()
{
// Stepper for the iteration over pads
//
// Step to next pad in the integration region
  // 
  // Step to next pad in integration region
    Float_t xc,yc;
    Int_t   iyc;
    
//  step from left to right    

    if (fX < fXmax && fX != 0) {
	if (fIx==-1) fIx++;
	fIx++;
//  step up 
    } else if (fIy != fIymax) {
	if (fIy==-1) fIy++;
	fIy++;
//      get y-position of next row (yc), xc not used here 	
	GetPadC(fIx,fIy,xc,yc);
//      get x-pad coordiante for first pad in row (fIx)
	GetPadI(fXmin,yc,fIx,iyc);
    } else {
	fIx=-1;
	fIy=-1;
    }
    GetPadC(fIx,fIy,fX,fY);
    fSector=Sector(fIx,fIy);
    if (MorePads() && 
	(fSector ==-1 || fSector==0)) 
	NextPad();
}

Int_t AliMUONSegmentationV01::MorePads()

{
// Stopping condition for the iterator over pads
//
// Are there more pads in the integration region
    return  (fIx != -1  || fIy != -1);
/*
    if ((fX >= fXmax  && fIy >= fIymax) || fY==0) {
	return 0;
    } else {
	return 1;
    }
*/
}
//______________________________________________________________________
void AliMUONSegmentationV01::FirstPad(Float_t xhit, Float_t yhit, Float_t /*zhit*/, Float_t dx, Float_t dy)
{
  FirstPad(xhit, yhit, dx, dy);
}


void AliMUONSegmentationV01::
IntegrationLimits(Float_t& x1,Float_t& x2,Float_t& y1, Float_t& y2)
{
//  Returns integration limits for current pad
//
    x1=fXhit-fX-Dpx(fSector)/2.;
    x2=x1+Dpx(fSector);
    y1=fYhit-fY-Dpy(fSector)/2.;
    y2=y1+Dpy(fSector);    
}

void AliMUONSegmentationV01::
Neighbours(Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[10], Int_t Ylist[10])
{
// Returns list of next neighbours for given Pad (iX, iY)
//
    const Float_t kEpsilon=fDpy/1000;
    
    Float_t x,y;
    Int_t   ixx, iyy, isec1;
//
    Int_t   isec0=AliMUONSegmentationV01::Sector(iX,iY);
    Int_t i=0;
//    
//  step right
    Xlist[i]=iX+1;
    if (Xlist[i]==0) Xlist[i]++;
    Ylist[i++]=iY;
//
//  step left    
    Xlist[i]=iX-1;
    if (Xlist[i]==0) Xlist[i]--;
    Ylist[i++]=iY;
//
//  step up 
    AliMUONSegmentationV01::GetPadC(iX,iY,x,y);
    AliMUONSegmentationV01::GetPadI(x+kEpsilon,y+fDpy,ixx,iyy);
    Xlist[i]=ixx;
    Ylist[i++]=iyy;
    isec1=AliMUONSegmentationV01::Sector(ixx,iyy);
    if (isec1==isec0) {
//
//  no sector boundary crossing
//	Xlist[i]=ixx+1;
//	Ylist[i++]=iY+1;
	
//	Xlist[i]=ixx-1;
//	Ylist[i++]=iY+1;
    } else if (isec1 < isec0) {
// finer segmentation
//	Xlist[i]=ixx+1;
//	Ylist[i++]=iY+1;
	
	Xlist[i]=ixx-1;
	Ylist[i++]=iyy;
	
//	Xlist[i]=ixx-2;
//	Ylist[i++]=iY+1;
    } else {
// coarser segmenation	
/*
	if (TMath::Odd(iX-fNpxS[isec1-1][iY+1])) {
	    Xlist[i]=ixx-1;
	    Ylist[i++]=iY+1;
	} else {
	    Xlist[i]=ixx+1;
	    Ylist[i++]=iY+1;
	}
*/
    }

//
// step down 
    AliMUONSegmentationV01::GetPadC(iX,iY,x,y);
    AliMUONSegmentationV01::GetPadI(x+kEpsilon,y-fDpy,ixx,iyy);
    Xlist[i]=ixx;
    Ylist[i++]=iyy;
    isec1=AliMUONSegmentationV01::Sector(ixx,iyy);
    if (isec1==isec0) {
//
//  no sector boundary crossing
/*
    Xlist[i]=ixx+1;
    Ylist[i++]=iY-1;
	
    Xlist[i]=ixx-1;
    Ylist[i++]=iY-1;
*/
    } else if (isec1 < isec0) {
// finer segmentation
//	Xlist[i]=ixx+1;
//	Ylist[i++]=iY-1;
	
	Xlist[i]=ixx-1;
	Ylist[i++]=iyy;
	
//	Xlist[i]=ixx-2;
//	Ylist[i++]=iY-1;
    } else {
// coarser segmentation	
/*
	if (TMath::Odd(iX-fNpxS[isec1-1][iY-1])) {
	    Xlist[i]=ixx-1;
	    Ylist[i++]=iY-1;
	} else {
	    Xlist[i]=ixx+1;
	    Ylist[i++]=iY-1;
	}
*/
    }
    *Nlist=i;
}

void AliMUONSegmentationV01::GiveTestPoints(Int_t &n, Float_t *x, Float_t *y) const
{
// Returns test point on the pad plane.
// Used during determination of the segmoid correction of the COG-method

    n=3;
    x[0]=((*fRSec)[0]+(*fRSec)[1])/2/TMath::Sqrt(2.);
    y[0]=x[0];
    x[1]=((*fRSec)[1]+(*fRSec)[2])/2/TMath::Sqrt(2.);
    y[1]=x[1];
    x[2]=((*fRSec)[2]+(*fRSec)[3])/2/TMath::Sqrt(2.);
    y[2]=x[2];
}

void AliMUONSegmentationV01::Draw(const char* opt) const
{
 
// Draws the segmentation zones
//
  if (!strcmp(opt,"eventdisplay")) { 
    const int kColorMUON  = kBlue;

    TRotMatrix* rot000 = new TRotMatrix("Rot000"," ", 90,  0, 90, 90, 0, 0);
    TRotMatrix* rot090 = new TRotMatrix("Rot090"," ", 90, 90, 90,180, 0, 0);
    TRotMatrix* rot180 = new TRotMatrix("Rot180"," ", 90,180, 90,270, 0, 0);
    TRotMatrix* rot270 = new TRotMatrix("Rot270"," ", 90,270, 90,  0, 0, 0);

    char nameChamber[9], nameSense[9], nameFrame[9], nameNode[9];
    char nameSense1[9], nameSense2[9];    
    TNode *node, *nodeF;
 
    sprintf(nameChamber,"C_MUON%d",fId+1);
    sprintf(nameSense,"S_MUON%d",fId+1);
    sprintf(nameSense1,"S1_MUON%d",fId+1);
    sprintf(nameSense2,"S2_MUON%d",fId+1);
    sprintf(nameFrame,"F_MUON%d",fId+1);	

    TNode* top=gAlice->GetGeometry()->GetNode("alice");

    Float_t rmin = (*fRSec)[0]-3;
    Float_t rmax = (*fRSec)[3]+3;
    new TTUBE(nameChamber,"Mother","void",rmin,rmax,0.25,1.);
    rmin = (*fRSec)[0];
    rmax = (*fRSec)[3];
    new TTUBE(nameSense,"Sens. region","void",rmin,rmax,0.25, 1.);
    Float_t dx=(rmax-rmin)/2;
    Float_t dy=3.;
    Float_t dz=0.25;
    TBRIK* frMUON = new TBRIK(nameFrame,"Frame","void",dx,dy,dz);
    top->cd();
    sprintf(nameNode,"MUON%d",100+fId+1);
    node = new TNode(nameNode,"ChamberNode",nameChamber,0,0,fChamber->Z(),"");
    node->SetLineColor(kColorMUON);
    AliMUON *pMUON  = (AliMUON *) gAlice->GetModule("MUON");
    (pMUON->Nodes())->Add(node);
    node->cd();
    sprintf(nameNode,"MUON%d",200+fId+1);
    node = new TNode(nameNode,"Sens. Region Node",nameSense,0,0,0,"");
    node->SetLineColor(kColorMUON);
    node->cd();
    Float_t dr=dx+rmin;
    sprintf(nameNode,"MUON%d",300+fId+1);
    nodeF = new TNode(nameNode,"Frame0",frMUON,dr, 0, 0,rot000,"");
    nodeF->SetLineColor(kColorMUON);
    node->cd();
    sprintf(nameNode,"MUON%d",400+fId+1);
    nodeF = new TNode(nameNode,"Frame1",frMUON,0 ,dr,0,rot090,"");
    nodeF->SetLineColor(kColorMUON);
    node->cd();
    sprintf(nameNode,"MUON%d",500+fId+1);
    nodeF = new TNode(nameNode,"Frame2",frMUON,-dr,0,0,rot180,"");
    nodeF->SetLineColor(kColorMUON);
    node  ->cd();
    sprintf(nameNode,"MUON%d",600+fId+1);   
    nodeF = new TNode(nameNode,"Frame3",frMUON,0,-dr,0,rot270,"");
    nodeF->SetLineColor(kColorMUON);   
  } else {
    TBox *box;
    
    Float_t dx=0.95/fCx[3][1]/2;
    Float_t dy=0.95/(Float_t(Npy()))/2;
    Float_t x0,y0,x1,y1;
    Float_t xc=0.5;
    Float_t yc=0.5;
    
    for (Int_t iy=1; iy<Npy(); iy++) {
      for (Int_t isec=0; isec<4; isec++) {
	if (isec==0) {
	  x0=0;
	  x1=fCx[isec][iy]*dx;
	} else {
	  x0=fCx[isec-1][iy]*dx;
	  x1=fCx[isec][iy]*dx;
	}
	y0=Float_t(iy-1)*dy;
	y1=y0+dy;
	box=new TBox(x0+xc,y0+yc,x1+xc,y1+yc);
	box->SetFillColor(isec+1);
	box->Draw();
	
	box=new TBox(-x1+xc,y0+yc,-x0+xc,y1+yc);
	box->SetFillColor(isec+1);
	box->Draw();
	
	box=new TBox(x0+xc,-y1+yc,x1+xc,-y0+yc);
	box->SetFillColor(isec+1);
	box->Draw();
	
	box=new TBox(-x1+xc,-y1+yc,-x0+xc,-y0+yc);
	box->SetFillColor(isec+1);
	box->Draw();
      }
    }
  }
}
void AliMUONSegmentationV01::SetCorrFunc(Int_t isec, TF1* func)
{
// Set the correction function
    fCorrA->AddAt(func,isec);
}

TF1* AliMUONSegmentationV01::CorrFunc(Int_t isec) const
{ 
// Get correction function
  //PH    return (TF1*) (*fCorrA)[isec];
    return (TF1*) fCorrA->At(isec);
}

AliMUONSegmentationV01& AliMUONSegmentationV01::operator 
=(const AliMUONSegmentationV01 & /*rhs*/)
{
// Dummy assignment operator
    return *this;
}
Commit	Line	Data
a9e2aefa	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
88cb7938	16	/* $Id$ */
a9e2aefa	17
	18	/////////////////////////////////////////////////////
	19	// Segmentation and Response classes version 01 //
	20	/////////////////////////////////////////////////////
	21
	22	#include <TBox.h>
aaf4addd	23	#include <TTUBE.h>
	24	#include <TBRIK.h>
	25	#include <TNode.h>
	26	#include <TGeometry.h>
a9e2aefa	27	#include <TF1.h>
3afc6e30	28	#include <TVector3.h>
a9e2aefa	29	#include <TObjArray.h>
70479d0e	30	#include <Riostream.h>
a9e2aefa	31
	32	#include "AliMUONSegmentationV01.h"
	33	#include "AliMUON.h"
3e1872ed	34	#include "AliMUONChamber.h"
3e1872ed	35	#include "AliRun.h"
a9e2aefa	36
a9e2aefa	37
a9e2aefa	38	//___________________________________________
	39	ClassImp(AliMUONSegmentationV01)
	40
b1ad38fa	41	AliMUONSegmentationV01::AliMUONSegmentationV01(const AliMUONSegmentationV01& segmentation):AliMUONSegmentationV0(segmentation)
a9e2aefa	42	{
	43	// Dummy copy constructor
	44	}
e9e4cdf2	45
a9e2aefa	46	AliMUONSegmentationV01::AliMUONSegmentationV01()
	47	{
	48	// Default constructor
e9e4cdf2	49	fRSec = 0;
e9e4cdf2	50	fNDiv = 0;
a8a6107b	51	fDpxD = 0;
a8a6107b	52	fCorrA = 0;
0951fe3d	53	fSector = -1;
e9e4cdf2	54	}
	55
	56	AliMUONSegmentationV01::AliMUONSegmentationV01(Int_t nsec)
	57	{
	58	// Non default constructor
	59
	60	fNsec = nsec;
c3eff6ad	61	fRSec = new TArrayF(fNsec);
	62	fNDiv = new TArrayI(fNsec);
	63	fDpxD = new TArrayF(fNsec);
e9e4cdf2	64
e9e4cdf2	65
c3eff6ad	66	(fRSec)[0]=(fRSec)[1]=(fRSec)[2]=(fRSec)[3]=0;
	67	(fNDiv)[0]=(fNDiv)[1]=(fNDiv)[2]=(fNDiv)[3]=0;
	68	(fDpxD)[0]=(fDpxD)[1]=(fDpxD)[2]=(fDpxD)[3]=0;
bac96a1c	69	fCorrA = new TObjArray(3);
cd4df77b	70	fCorrA->AddAt(0,0);
	71	fCorrA->AddAt(0,1);
	72	fCorrA->AddAt(0,2);
e80ad807	73	fOffsetY=0;
0951fe3d	74	fSector = -1;
a9e2aefa	75	}
a9e2aefa	76
e9e4cdf2	77	AliMUONSegmentationV01::~AliMUONSegmentationV01()
	78	{
	79	// Destructor
	80	if (fRSec) delete fRSec;
	81	if (fNDiv) delete fNDiv;
	82	if (fDpxD) delete fDpxD;
	83	if (fCorrA) {
	84	fCorrA->Delete();
	85	delete fCorrA;
	86	}
	87	}
	88
	89
94de3818	90	Float_t AliMUONSegmentationV01::Dpx(Int_t isec) const
a9e2aefa	91	{
	92	//
	93	// Returns x-pad size for given sector isec
c3eff6ad	94	Float_t dpx = (*fDpxD)[isec];
c3eff6ad	95	return dpx;
a9e2aefa	96	}
a9e2aefa	97
b1ad38fa	98	Float_t AliMUONSegmentationV01::Dpy(Int_t /isec/) const
a9e2aefa	99	{
	100	//
	101	// Returns y-pad size for given sector isec
	102	return fDpy;
	103	}
	104
	105	void AliMUONSegmentationV01::SetSegRadii(Float_t r[4])
	106	{
	107	//
	108	// Set the radii of the segmentation zones
	109	for (Int_t i=0; i<4; i++) {
c3eff6ad	110	(*fRSec)[i]=r[i];
a9e2aefa	111	}
	112	}
	113
	114
	115	void AliMUONSegmentationV01::SetPadDivision(Int_t ndiv[4])
	116	{
	117	//
	118	// Defines the pad size perp. to the anode wire (y) for different sectors.
	119	// Pad sizes are defined as integral fractions ndiv of a basis pad size
	120	// fDpx
	121	//
	122	for (Int_t i=0; i<4; i++) {
c3eff6ad	123	(*fNDiv)[i]=ndiv[i];
a9e2aefa	124	}
	125	ndiv[0]=ndiv[1];
	126	}
	127
	128
d81db581	129	void AliMUONSegmentationV01::Init(Int_t chamber)
a9e2aefa	130	{
	131	//
	132	// Fill the arrays fCx (x-contour) and fNpxS (ix-contour) for each sector
	133	// These arrays help in converting from real to pad co-ordinates and
	134	// vice versa.
	135	// This version approximates concentric segmentation zones
	136	//
	137	Int_t isec;
9e1a0ddb	138	//printf("\n Initialise Segmentation V01\n");
e9e4cdf2	139
e9e4cdf2	140
c3eff6ad	141	fNpy=Int_t((*fRSec)[fNsec-1]/fDpy)+1;
a9e2aefa	142
c3eff6ad	143	(*fDpxD)[fNsec-1]=fDpx;
a9e2aefa	144	if (fNsec > 1) {
a9e2aefa	145	for (Int_t i=fNsec-2; i>=0; i--){
c3eff6ad	146	(fDpxD)[i]=(fDpxD)[fNsec-1]/(*fNDiv)[i];
a9e2aefa	147	}
	148	}
	149	//
	150	// fill the arrays defining the pad segmentation boundaries
	151	Float_t ry;
	152	Int_t dnx;
	153	Int_t add;
	154	//
	155	// loop over sections
	156	for(isec=0; isec<fNsec; isec++) {
	157	//
	158	// loop over pads along the aode wires
	159	for (Int_t iy=1; iy<=fNpy; iy++) {
	160	//
	161	Float_t x=iy*fDpy-fDpy/2;
c3eff6ad	162	if (x > (*fRSec)[isec]) {
a9e2aefa	163	fNpxS[isec][iy]=0;
	164	fCx[isec][iy]=0;
	165	} else {
c3eff6ad	166	ry=TMath::Sqrt((fRSec)[isec](fRSec)[isec]-xx);
a9e2aefa	167	if (isec > 1) {
c3eff6ad	168	dnx= Int_t((ry-fCx[isec-1][iy])/(*fDpxD)[isec]);
a9e2aefa	169	if (isec < fNsec-1) {
	170	if (TMath::Odd((Long_t)dnx)) dnx++;
	171	}
	172	fNpxS[isec][iy]=fNpxS[isec-1][iy]+dnx;
c3eff6ad	173	fCx[isec][iy]=fCx[isec-1][iy]+dnx(fDpxD)[isec];
a9e2aefa	174	} else if (isec == 1) {
c3eff6ad	175	dnx= Int_t((ry-fCx[isec-1][iy])/(*fDpxD)[isec]);
a9e2aefa	176	fNpxS[isec][iy]=fNpxS[isec-1][iy]+dnx;
	177	add=4 - (fNpxS[isec][iy])%4;
	178	if (add < 4) fNpxS[isec][iy]+=add;
	179	dnx=fNpxS[isec][iy]-fNpxS[isec-1][iy];
c3eff6ad	180	fCx[isec][iy]=fCx[isec-1][iy]+dnx(fDpxD)[isec];
a9e2aefa	181	} else {
c3eff6ad	182	dnx=Int_t(ry/(*fDpxD)[isec]);
a9e2aefa	183	fNpxS[isec][iy]=dnx;
c3eff6ad	184	fCx[isec][iy]=dnx(fDpxD)[isec];
a9e2aefa	185	}
	186	}
	187	} // y-pad loop
	188	} // sector loop
3e1872ed	189	// reference to chamber
	190	AliMUON pMUON = (AliMUON ) gAlice->GetModule("MUON");
	191	fChamber=&(pMUON->Chamber(chamber));
	192	fZ = fChamber->Z();
aaf4addd	193	fId=chamber;
a9e2aefa	194	}
	195
	196	Int_t AliMUONSegmentationV01::Sector(Int_t ix, Int_t iy)
	197	{
	198	// Returns sector number for given pad position
	199	//
	200	Int_t absix=TMath::Abs(ix);
	201	Int_t absiy=TMath::Abs(iy);
	202	Int_t isec=0;
	203	for (Int_t i=0; i<fNsec; i++) {
	204	if (absix<=fNpxS[i][absiy]){
	205	isec=i;
	206	break;
	207	}
	208	}
	209	return isec;
	210	}
b1ad38fa	211	//______________________________________________________________________
b1ad38fa	212	void AliMUONSegmentationV01::GetPadI(Float_t x, Float_t y, Int_t &ix, Int_t &iy)
a9e2aefa	213	{
	214	// Returns pad coordinates (ix,iy) for given real coordinates (x,y)
	215	//
e80ad807	216	iy = (y-fOffsetY >0)?
	217	Int_t((y-fOffsetY)/fDpy)+1
	218	:
	219	Int_t((y-fOffsetY)/fDpy)-1;
	220
a9e2aefa	221	if (iy > fNpy) iy= fNpy;
	222	if (iy < -fNpy) iy=-fNpy;
	223	//
	224	// Find sector isec
	225	Int_t isec=-1;
	226	Float_t absx=TMath::Abs(x);
	227	Int_t absiy=TMath::Abs(iy);
	228	for (Int_t i=0; i < fNsec; i++) {
	229	if (absx <= fCx[i][absiy]) {
	230	isec=i;
	231	break;
	232	}
	233	}
	234	if (isec>0) {
c3eff6ad	235	ix= Int_t((absx-fCx[isec-1][absiy])/(*fDpxD)[isec])
a9e2aefa	236	+fNpxS[isec-1][absiy]+1;
a9e2aefa	237	} else if (isec == 0) {
c3eff6ad	238	ix= Int_t(absx/(*fDpxD)[isec])+1;
a9e2aefa	239	} else {
	240	ix=fNpxS[fNsec-1][absiy]+1;
	241	}
	242	ix = (x>0) ? ix:-ix;
	243	}
b1ad38fa	244	//________________________________________________________________
	245	void AliMUONSegmentationV01::GetPadI(Float_t x, Float_t y , Float_t /z/, Int_t &ix, Int_t &iy)
	246	{
	247	GetPadI(x, y, ix, iy);
	248	}
	249	//________________________________________________________________
a9e2aefa	250
a9e2aefa	251	void AliMUONSegmentationV01::
a30a000f	252	GetPadC(Int_t ix, Int_t iy, Float_t &x, Float_t &y)
a9e2aefa	253	{
	254	// Returns real coordinates (x,y) for given pad coordinates (ix,iy)
	255	//
bdf39337	256	y = (iy>0) ?
	257	Float_t(iy*fDpy)-fDpy/2.+fOffsetY
	258	:
	259	Float_t(iy*fDpy)+fDpy/2.+fOffsetY;
	260
a9e2aefa	261	//
	262	// Find sector isec
	263	Int_t isec=AliMUONSegmentationV01::Sector(ix,iy);
	264	//
	265	Int_t absix=TMath::Abs(ix);
	266	Int_t absiy=TMath::Abs(iy);
	267	if (isec) {
c3eff6ad	268	x=fCx[isec-1][absiy]+(absix-fNpxS[isec-1][absiy])(fDpxD)[isec];
c3eff6ad	269	x=(ix>0) ? x-(fDpxD)[isec]/2 : -x+(fDpxD)[isec]/2;
a9e2aefa	270	} else {
	271	x=y=0;
	272	}
3afc6e30	273
	274	}
	275	//________________________________________________________________
	276
	277	void AliMUONSegmentationV01::
	278	GetPadC(Int_t ix, Int_t iy, Float_t &x, Float_t &y, Float_t &z)
	279	{
	280	// Returns real coordinates (x,y,z) for given pad coordinates (ix,iy)
	281	//
	282	GetPadC(ix,iy,x,y);
	283
	284	// To be properly interfaced with chamber geometry (AliMUONSt1GeometryBuilderV2) ???
	285	TVector3 scale[4];
	286	scale[0] = TVector3( 1, 1, 1); // quadrant I
	287	scale[1] = TVector3(-1, 1, -1); // quadrant II
	288	scale[2] = TVector3(-1, -1, 1); // quadrant III
	289	scale[3] = TVector3( 1, -1, -1); // quadrant IV
	290
	291	Int_t iQuadrant;
	292
	293	if (ix > 0) {
	294	if (iy > 0) {
	295	iQuadrant = 0;
	296	} else {
	297	iQuadrant = 3;
	298	}
	299	} else {
	300	if (iy > 0) {
	301	iQuadrant = 1;
	302	} else {
	303	iQuadrant = 2;
	304	}
	305	}
	306	if (TMath::Abs(fZ) < 600) {
	307	z = fZ + scale[iQuadrant].Z()*6.5/2.; // Station 1
	308	} else {
	309	z = fZ; // Station 2
	310	}
a9e2aefa	311	}
	312
	313	void AliMUONSegmentationV01::
	314	SetPad(Int_t ix, Int_t iy)
	315	{
	316	//
	317	// Sets virtual pad coordinates, needed for evaluating pad response
	318	// outside the tracking program
ecfa008b	319	GetPadC(ix,iy,fX,fY);
a9e2aefa	320	fSector=Sector(ix,iy);
	321	}
	322
b1ad38fa	323	//______________________________________________________________________
b1ad38fa	324	void AliMUONSegmentationV01::FirstPad(Float_t xhit, Float_t yhit, Float_t dx, Float_t dy)
a9e2aefa	325	{
	326	// Initialises iteration over pads for charge distribution algorithm
	327	//
	328	//
	329	// Find the wire position (center of charge distribution)
	330	Float_t x0a=GetAnod(xhit);
ecfa008b	331	fXhit=x0a;
ecfa008b	332	fYhit=yhit;
a9e2aefa	333
	334	//
	335	// and take fNsigma*sigma around this center
	336	Float_t x01=x0a - dx;
	337	Float_t x02=x0a + dx;
	338	Float_t y01=yhit - dy;
	339	Float_t y02=yhit + dy;
	340	//
	341	// find the pads over which the charge distributes
c3eff6ad	342
ecfa008b	343	GetPadI(x01,y01,fIxmin,fIymin);
	344	GetPadI(x02,y02,fIxmax,fIymax);
	345	fXmin=x01;
	346	fXmax=x02;
	347	fYmin=y01;
	348	fYmax=y02;
a9e2aefa	349
	350	//
	351	// Set current pad to lower left corner
ecfa008b	352	if (fIxmax < fIxmin) fIxmax=fIxmin;
	353	if (fIymax < fIymin) fIymax=fIymin;
	354	fIx=fIxmin;
	355	fIy=fIymin;
	356	GetPadC(fIx,fIy,fX,fY);
0951fe3d	357
	358	// added
	359	if (fSector == -1) {
	360	fSector=Sector(fIx,fIy);
	361	}
a9e2aefa	362	}
	363
	364
	365	void AliMUONSegmentationV01::NextPad()
	366	{
	367	// Stepper for the iteration over pads
	368	//
	369	// Step to next pad in the integration region
	370	//
	371	// Step to next pad in integration region
	372	Float_t xc,yc;
	373	Int_t iyc;
	374
	375	// step from left to right
c3eff6ad	376
ecfa008b	377	if (fX < fXmax && fX != 0) {
	378	if (fIx==-1) fIx++;
	379	fIx++;
a9e2aefa	380	// step up
ecfa008b	381	} else if (fIy != fIymax) {
	382	if (fIy==-1) fIy++;
	383	fIy++;
a9e2aefa	384	// get y-position of next row (yc), xc not used here
ecfa008b	385	GetPadC(fIx,fIy,xc,yc);
	386	// get x-pad coordiante for first pad in row (fIx)
	387	GetPadI(fXmin,yc,fIx,iyc);
a9e2aefa	388	} else {
d7d176c9	389	fIx=-1;
d7d176c9	390	fIy=-1;
a9e2aefa	391	}
ecfa008b	392	GetPadC(fIx,fIy,fX,fY);
ecfa008b	393	fSector=Sector(fIx,fIy);
a9e2aefa	394	if (MorePads() &&
	395	(fSector ==-1 \|\| fSector==0))
	396	NextPad();
	397	}
	398
	399	Int_t AliMUONSegmentationV01::MorePads()
de05461e	400
de05461e	401	{
a9e2aefa	402	// Stopping condition for the iterator over pads
	403	//
	404	// Are there more pads in the integration region
d7d176c9	405	return (fIx != -1 \|\| fIy != -1);
d7d176c9	406	/*
ecfa008b	407	if ((fX >= fXmax && fIy >= fIymax) \|\| fY==0) {
a9e2aefa	408	return 0;
	409	} else {
	410	return 1;
	411	}
d7d176c9	412	*/
a9e2aefa	413	}
b1ad38fa	414	//______________________________________________________________________
	415	void AliMUONSegmentationV01::FirstPad(Float_t xhit, Float_t yhit, Float_t /zhit/, Float_t dx, Float_t dy)
	416	{
	417	FirstPad(xhit, yhit, dx, dy);
	418	}
	419
a9e2aefa	420
	421	void AliMUONSegmentationV01::
	422	IntegrationLimits(Float_t& x1,Float_t& x2,Float_t& y1, Float_t& y2)
	423	{
	424	// Returns integration limits for current pad
	425	//
ecfa008b	426	x1=fXhit-fX-Dpx(fSector)/2.;
a9e2aefa	427	x2=x1+Dpx(fSector);
ecfa008b	428	y1=fYhit-fY-Dpy(fSector)/2.;
a9e2aefa	429	y2=y1+Dpy(fSector);
	430	}
	431
	432	void AliMUONSegmentationV01::
	433	Neighbours(Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[10], Int_t Ylist[10])
	434	{
	435	// Returns list of next neighbours for given Pad (iX, iY)
	436	//
	437	const Float_t kEpsilon=fDpy/1000;
	438
	439	Float_t x,y;
	440	Int_t ixx, iyy, isec1;
	441	//
	442	Int_t isec0=AliMUONSegmentationV01::Sector(iX,iY);
	443	Int_t i=0;
	444	//
	445	// step right
	446	Xlist[i]=iX+1;
	447	if (Xlist[i]==0) Xlist[i]++;
	448	Ylist[i++]=iY;
	449	//
	450	// step left
	451	Xlist[i]=iX-1;
	452	if (Xlist[i]==0) Xlist[i]--;
	453	Ylist[i++]=iY;
	454	//
	455	// step up
a30a000f	456	AliMUONSegmentationV01::GetPadC(iX,iY,x,y);
a30a000f	457	AliMUONSegmentationV01::GetPadI(x+kEpsilon,y+fDpy,ixx,iyy);
a9e2aefa	458	Xlist[i]=ixx;
	459	Ylist[i++]=iyy;
	460	isec1=AliMUONSegmentationV01::Sector(ixx,iyy);
	461	if (isec1==isec0) {
	462	//
	463	// no sector boundary crossing
	464	// Xlist[i]=ixx+1;
	465	// Ylist[i++]=iY+1;
	466
	467	// Xlist[i]=ixx-1;
	468	// Ylist[i++]=iY+1;
	469	} else if (isec1 < isec0) {
	470	// finer segmentation
	471	// Xlist[i]=ixx+1;
	472	// Ylist[i++]=iY+1;
	473
	474	Xlist[i]=ixx-1;
	475	Ylist[i++]=iyy;
	476
	477	// Xlist[i]=ixx-2;
	478	// Ylist[i++]=iY+1;
	479	} else {
	480	// coarser segmenation
	481	/*
	482	if (TMath::Odd(iX-fNpxS[isec1-1][iY+1])) {
	483	Xlist[i]=ixx-1;
	484	Ylist[i++]=iY+1;
	485	} else {
	486	Xlist[i]=ixx+1;
	487	Ylist[i++]=iY+1;
	488	}
	489	*/
	490	}
	491
	492	//
	493	// step down
a30a000f	494	AliMUONSegmentationV01::GetPadC(iX,iY,x,y);
a30a000f	495	AliMUONSegmentationV01::GetPadI(x+kEpsilon,y-fDpy,ixx,iyy);
a9e2aefa	496	Xlist[i]=ixx;
	497	Ylist[i++]=iyy;
	498	isec1=AliMUONSegmentationV01::Sector(ixx,iyy);
	499	if (isec1==isec0) {
	500	//
	501	// no sector boundary crossing
	502	/*
	503	Xlist[i]=ixx+1;
	504	Ylist[i++]=iY-1;
	505
	506	Xlist[i]=ixx-1;
	507	Ylist[i++]=iY-1;
	508	*/
	509	} else if (isec1 < isec0) {
	510	// finer segmentation
	511	// Xlist[i]=ixx+1;
	512	// Ylist[i++]=iY-1;
	513
	514	Xlist[i]=ixx-1;
	515	Ylist[i++]=iyy;
	516
	517	// Xlist[i]=ixx-2;
	518	// Ylist[i++]=iY-1;
	519	} else {
	520	// coarser segmentation
	521	/*
	522	if (TMath::Odd(iX-fNpxS[isec1-1][iY-1])) {
	523	Xlist[i]=ixx-1;
	524	Ylist[i++]=iY-1;
	525	} else {
	526	Xlist[i]=ixx+1;
	527	Ylist[i++]=iY-1;
	528	}
	529	*/
	530	}
	531	*Nlist=i;
	532	}
	533
c3eff6ad	534	void AliMUONSegmentationV01::GiveTestPoints(Int_t &n, Float_t x, Float_t y) const
a9e2aefa	535	{
	536	// Returns test point on the pad plane.
	537	// Used during determination of the segmoid correction of the COG-method
	538
	539	n=3;
c3eff6ad	540	x[0]=((fRSec)[0]+(fRSec)[1])/2/TMath::Sqrt(2.);
a9e2aefa	541	y[0]=x[0];
c3eff6ad	542	x[1]=((fRSec)[1]+(fRSec)[2])/2/TMath::Sqrt(2.);
a9e2aefa	543	y[1]=x[1];
c3eff6ad	544	x[2]=((fRSec)[2]+(fRSec)[3])/2/TMath::Sqrt(2.);
a9e2aefa	545	y[2]=x[2];
	546	}
	547
aaf4addd	548	void AliMUONSegmentationV01::Draw(const char* opt) const
a9e2aefa	549	{
aaf4addd	550
a9e2aefa	551	// Draws the segmentation zones
a9e2aefa	552	//
aaf4addd	553	if (!strcmp(opt,"eventdisplay")) {
	554	const int kColorMUON = kBlue;
	555
	556	TRotMatrix* rot000 = new TRotMatrix("Rot000"," ", 90, 0, 90, 90, 0, 0);
	557	TRotMatrix* rot090 = new TRotMatrix("Rot090"," ", 90, 90, 90,180, 0, 0);
	558	TRotMatrix* rot180 = new TRotMatrix("Rot180"," ", 90,180, 90,270, 0, 0);
	559	TRotMatrix* rot270 = new TRotMatrix("Rot270"," ", 90,270, 90, 0, 0, 0);
	560
	561	char nameChamber[9], nameSense[9], nameFrame[9], nameNode[9];
	562	char nameSense1[9], nameSense2[9];
	563	TNode node, nodeF;
	564
	565	sprintf(nameChamber,"C_MUON%d",fId+1);
	566	sprintf(nameSense,"S_MUON%d",fId+1);
	567	sprintf(nameSense1,"S1_MUON%d",fId+1);
	568	sprintf(nameSense2,"S2_MUON%d",fId+1);
	569	sprintf(nameFrame,"F_MUON%d",fId+1);
	570
	571	TNode* top=gAlice->GetGeometry()->GetNode("alice");
	572
	573	Float_t rmin = (*fRSec)[0]-3;
	574	Float_t rmax = (*fRSec)[3]+3;
	575	new TTUBE(nameChamber,"Mother","void",rmin,rmax,0.25,1.);
	576	rmin = (*fRSec)[0];
	577	rmax = (*fRSec)[3];
	578	new TTUBE(nameSense,"Sens. region","void",rmin,rmax,0.25, 1.);
	579	Float_t dx=(rmax-rmin)/2;
	580	Float_t dy=3.;
	581	Float_t dz=0.25;
	582	TBRIK* frMUON = new TBRIK(nameFrame,"Frame","void",dx,dy,dz);
	583	top->cd();
	584	sprintf(nameNode,"MUON%d",100+fId+1);
	585	node = new TNode(nameNode,"ChamberNode",nameChamber,0,0,fChamber->Z(),"");
	586	node->SetLineColor(kColorMUON);
	587	AliMUON pMUON = (AliMUON ) gAlice->GetModule("MUON");
	588	(pMUON->Nodes())->Add(node);
	589	node->cd();
	590	sprintf(nameNode,"MUON%d",200+fId+1);
	591	node = new TNode(nameNode,"Sens. Region Node",nameSense,0,0,0,"");
	592	node->SetLineColor(kColorMUON);
	593	node->cd();
	594	Float_t dr=dx+rmin;
	595	sprintf(nameNode,"MUON%d",300+fId+1);
	596	nodeF = new TNode(nameNode,"Frame0",frMUON,dr, 0, 0,rot000,"");
	597	nodeF->SetLineColor(kColorMUON);
	598	node->cd();
	599	sprintf(nameNode,"MUON%d",400+fId+1);
	600	nodeF = new TNode(nameNode,"Frame1",frMUON,0 ,dr,0,rot090,"");
	601	nodeF->SetLineColor(kColorMUON);
	602	node->cd();
	603	sprintf(nameNode,"MUON%d",500+fId+1);
	604	nodeF = new TNode(nameNode,"Frame2",frMUON,-dr,0,0,rot180,"");
	605	nodeF->SetLineColor(kColorMUON);
	606	node ->cd();
	607	sprintf(nameNode,"MUON%d",600+fId+1);
	608	nodeF = new TNode(nameNode,"Frame3",frMUON,0,-dr,0,rot270,"");
	609	nodeF->SetLineColor(kColorMUON);
	610	} else {
a9e2aefa	611	TBox *box;
	612
	613	Float_t dx=0.95/fCx[3][1]/2;
	614	Float_t dy=0.95/(Float_t(Npy()))/2;
	615	Float_t x0,y0,x1,y1;
	616	Float_t xc=0.5;
	617	Float_t yc=0.5;
	618
aaf4addd	619	for (Int_t iy=1; iy<Npy(); iy++) {
	620	for (Int_t isec=0; isec<4; isec++) {
	621	if (isec==0) {
	622	x0=0;
	623	x1=fCx[isec][iy]*dx;
	624	} else {
	625	x0=fCx[isec-1][iy]*dx;
	626	x1=fCx[isec][iy]*dx;
a9e2aefa	627	}
aaf4addd	628	y0=Float_t(iy-1)*dy;
	629	y1=y0+dy;
	630	box=new TBox(x0+xc,y0+yc,x1+xc,y1+yc);
	631	box->SetFillColor(isec+1);
	632	box->Draw();
	633
	634	box=new TBox(-x1+xc,y0+yc,-x0+xc,y1+yc);
	635	box->SetFillColor(isec+1);
	636	box->Draw();
	637
	638	box=new TBox(x0+xc,-y1+yc,x1+xc,-y0+yc);
	639	box->SetFillColor(isec+1);
	640	box->Draw();
	641
	642	box=new TBox(-x1+xc,-y1+yc,-x0+xc,-y0+yc);
	643	box->SetFillColor(isec+1);
	644	box->Draw();
	645	}
a9e2aefa	646	}
aaf4addd	647	}
a9e2aefa	648	}
	649	void AliMUONSegmentationV01::SetCorrFunc(Int_t isec, TF1* func)
	650	{
de05461e	651	// Set the correction function
cd4df77b	652	fCorrA->AddAt(func,isec);
a9e2aefa	653	}
a9e2aefa	654
c3eff6ad	655	TF1* AliMUONSegmentationV01::CorrFunc(Int_t isec) const
a9e2aefa	656	{
de05461e	657	// Get correction function
2682e810	658	//PH return (TF1) (fCorrA)[isec];
2682e810	659	return (TF1*) fCorrA->At(isec);
a9e2aefa	660	}
	661
	662	AliMUONSegmentationV01& AliMUONSegmentationV01::operator
f7b62f08	663	=(const AliMUONSegmentationV01 & /rhs/)
a9e2aefa	664	{
	665	// Dummy assignment operator
	666	return *this;
	667	}
de05461e	668