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

/* $Id$ */

#include <TArrayI.h>
#include <TObjArray.h>
#include <TMath.h>
#include <TBRIK.h>
#include <TNode.h>
#include <TGeometry.h>

#include "AliMUONSegmentationSlat.h"
#include "AliMUONSegmentationSlatModule.h"
#include "AliMUON.h"
#include "AliMUONChamber.h"
#include "AliRun.h"

//___________________________________________
ClassImp(AliMUONSegmentationSlat)

AliMUONSegmentationSlat::AliMUONSegmentationSlat() 
  :  AliSegmentation() 
{
// Default constructor
  fChamber = 0;
  fNDiv = 0;
  fSlats = 0;
  fCurrentSlat = 0;
}

AliMUONSegmentationSlat::AliMUONSegmentationSlat(Int_t /*nsec*/) 
  :  AliSegmentation() 
{
// Non default constructor
    fSlats=0;            
    fNDiv = new TArrayI(4);
    fChamber = 0;
    fCurrentSlat = 0;
}

AliMUONSegmentationSlat::AliMUONSegmentationSlat(const AliMUONSegmentationSlat& rhs)
  :  AliSegmentation(rhs) 
{
// Protected copy constructor

  Fatal("AliMUONSegmentationSlatModule", "Not implemented.");
}

AliMUONSegmentationSlat::~AliMUONSegmentationSlat(){
  //PH Delete TObjArrays
  if (fSlats) {
    fSlats->Delete();
    delete fSlats;
  }

  if (fNDiv) {
    delete fNDiv;
  }

}

//----------------------------------------------------------------------
AliMUONSegmentationSlat& 
AliMUONSegmentationSlat::operator=(const AliMUONSegmentationSlat& rhs)
{
// Protected assignement operator

  if (this == &rhs) return *this;

  Fatal("operator=", "Not implemented.");
    
  return *this;  
}    
          

//-----------------------------------------------------------
void AliMUONSegmentationSlat::SetPadSize(Float_t p1, Float_t p2)
{
//  Sets the pad (strip) size 
//  
    fDpx=p1;
    fDpy=p2;
}
//-----------------------------------------------------------
Float_t AliMUONSegmentationSlat::GetAnod(Float_t xhit) const
{
// Returns for a hit position xhit the position of the nearest anode wire    
    Float_t wire= (xhit>0)? Int_t(xhit/fWireD)+0.5:Int_t(xhit/fWireD)-0.5;
    return fWireD*wire;
}
//-----------------------------------------------------------
void AliMUONSegmentationSlat::GetNParallelAndOffset(Int_t /*iX*/, Int_t /*iY*/, Int_t *Nparallel, Int_t *Offset) 
{
  *Nparallel=1;
  *Offset=0;
}
//-----------------------------------------------------------
void AliMUONSegmentationSlat::GiveTestPoints(Int_t & /*n*/, Float_t */*x*/, Float_t */*y*/)  const 
{;}
//-----------------------------------------------------------
Float_t AliMUONSegmentationSlat::Distance2AndOffset(Int_t /*iX*/, Int_t /*iY*/, Float_t /*X*/, Float_t /*Y*/, Int_t * /*dummy*/) 
{
  return 0.;
}
//-----------------------------------------------------------
Float_t AliMUONSegmentationSlat::Dpx(Int_t isec) const
{
//
// Returns x-pad size for given sector isec
// isec = 100*islat+iregion
//
    Int_t islat, iregion;
    islat    = isec/100;
    iregion  = isec%100;
    return Slat(islat)->Dpx(iregion);
}

Float_t AliMUONSegmentationSlat::Dpy(Int_t /*isec*/) const
{
//
// Returns y-pad (strip)  size for given sector isec
   return fDpy;
}

void AliMUONSegmentationSlat::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];
    }
}

void AliMUONSegmentationSlat::GlobalToLocal(
    Float_t x, Float_t y, Float_t z, Int_t &islat, Float_t &xlocal, Float_t &ylocal)
{
//
// Perform local to global transformation for space coordinates
//
    Float_t zlocal;
    Int_t i;
    Int_t index=-1;
    Float_t eps = 1.e-4;
    
// Transform According to slat plane z-position: negative side is shifted down 
//                                                 positive side is shifted up
// by half the overlap
    zlocal = z-fChamber->Z();

//     zlocal = (x>0) ? zlocal-2.*fDz : zlocal+2.*fDz;
    zlocal = (x>0) ? zlocal+2.*fDz : zlocal-2.*fDz;      //Change?

//  Set the signs for the symmetry transformation and transform to first quadrant
    SetSymmetry(x);
    Float_t xabs=TMath::Abs(x);


// Find slat number                      
    for (i=0; i<fNSlats; i+=1) {       //Loop on all slats (longuer but more secure)
	index=i;
	if ((y >= fYPosition[i]-eps) && (y <= fYPosition[i]+fSlatY+eps)) break;
    }
    
//
// Transform to local coordinate system

    
    if (index >= fNSlats || index < 0 ) {
      islat = -1; xlocal=-1; ylocal = -1; }
    else {
      ylocal = y   -fYPosition[index];
      xlocal = xabs-fXPosition[index];
      islat  = index;
    }
}

void AliMUONSegmentationSlat::GlobalToLocal(
    Int_t ix, Int_t iy, Int_t &islat, Int_t &ixlocal, Int_t &iylocal) const
{
//
// Perform global to local transformation for pad coordinates
//
    Int_t iytemp = iy;
    Int_t index  =  0;
    
    iylocal = iytemp;

//
// Find slat number (index) and iylocal  
    for (Int_t i=0; i<fNSlats; i++) {
	iytemp-=Slat(i)->Npy();
	
	if (iytemp <= 0) break;
	iylocal = iytemp;
	index=i+1;
    }
    ixlocal=TMath::Abs(ix);
    islat=index;
}

void AliMUONSegmentationSlat::
LocalToGlobal(Int_t islat, Float_t  xlocal, Float_t  ylocal, Float_t  &x, Float_t  &y, Float_t &z) const
{
// Transform from local to global space coordinates
//
// upper plane (y>0) even slat number is shifted down
// upper plane (y>0)  odd slat number is shifted up 
// lower plane (y<0) even slat number is shifted up
// lower plane (y<0)  odd slat number is shifted down
//

    x = (xlocal+fXPosition[islat])*fSym;
    y=(ylocal+fYPosition[islat]);

    z = (TMath::Even(islat)) ?     fDz : -fDz ; //Change for new referential
    z = (x>0)                ? z+2.*fDz : z-2.*fDz ; 

    z+=fChamber->Z();
}


void AliMUONSegmentationSlat::LocalToGlobal (
    Int_t islat, Int_t ixlocal, Int_t iylocal, Int_t &ix, Int_t &iy) const
{
// Transform from local to global pad coordinates
//
    Int_t i;
    iy=iylocal;
    
//
// Find slat number (index) and iylocal  
    for (i=0; i<islat; i++) iy+=Slat(islat)->Npy();

    ix=ixlocal*fSym;
    iy=iy;
}


void AliMUONSegmentationSlat::SetSymmetry(Int_t   ix)
{
// Set set signs for symmetry transformation
    fSym=TMath::Sign(1,ix);
}

void AliMUONSegmentationSlat::SetSymmetry(Float_t  x)
{
// Set set signs for symmetry transformation
    fSym=Int_t (TMath::Sign((Float_t)1.,x));
}

void AliMUONSegmentationSlat::
GetPadI(Float_t x, Float_t y, Float_t z, Int_t &ix, Int_t &iy)
{
// Returns pad coordinates for given set of space coordinates

    Int_t islat, i;
    Float_t xlocal, ylocal;
    
    GlobalToLocal(x,y,z,islat,xlocal,ylocal);
    if (islat == -1) {
	ix=0; iy=0; return;
    }
    
    Slat(islat)->GetPadI(xlocal, ylocal, ix, iy);
    for (i=0; i<islat; i++) iy+=Slat(islat)->Npy();

    ix=ix*Int_t(TMath::Sign((Float_t)1.,x));    
}


void AliMUONSegmentationSlat::
GetPadC(Int_t ix, Int_t iy, Float_t &x, Float_t &y, Float_t &z)
{
//  Returns real coordinates (x,y) for given pad coordinates (ix,iy)
//
    Int_t islat, ixlocal, iylocal;
//
// Delegation of transforamtion to slat
    GlobalToLocal(ix,iy,islat,ixlocal,iylocal);
    Slat(islat)->GetPadC(ixlocal, iylocal, x, y);
// Slat offset
    x+=fXPosition[islat];
    y+=fYPosition[islat];    

// Symmetry transformation of half planes
    x=x*TMath::Sign(1,ix);

// z-position
    z = (TMath::Even(islat)) ?      fDz : -fDz ; //Change for new referential
    z = (x>0)                ?  z+2.*fDz : z-2.*fDz ; 
    z += fChamber->Z();
}

Int_t AliMUONSegmentationSlat::ISector()
{
// Returns current sector during tracking
    Int_t iregion;
    
    iregion =  fCurrentSlat->ISector();
    return 100*fSlatIndex+iregion;
}

Int_t AliMUONSegmentationSlat::Sector(Int_t ix, Int_t iy)
{
// Returns sector for pad coordiantes (ix,iy)
    Int_t ixlocal, iylocal, iregion, islat;

    GlobalToLocal(ix,iy,islat,ixlocal,iylocal);
    
    iregion =  Slat(islat)->Sector(ixlocal, iylocal);
    return 100*islat+iregion;
}


void AliMUONSegmentationSlat::SetPad(Int_t ix, Int_t iy)
{
    //
    // Sets virtual pad coordinates, needed for evaluating pad response 
    // outside the tracking program
    Int_t islat, ixlocal, iylocal;

    SetSymmetry(ix);
    
    GlobalToLocal(ix,iy,islat,ixlocal,iylocal);
    fSlatIndex=islat;
    fCurrentSlat=Slat(islat);
    fCurrentSlat->SetPad(ixlocal, iylocal);
}

void  AliMUONSegmentationSlat::SetHit(Float_t xhit, Float_t yhit, Float_t zhit)
{   //
    // Sets current hit coordinates

    Float_t xlocal, ylocal;
    Int_t islat;

    
    GlobalToLocal(xhit,yhit,zhit,islat,xlocal,ylocal);
    fSlatIndex=islat;
    if (islat < 0) printf("\n SetHit: %d", islat);
    
    fCurrentSlat=Slat(islat);
    fCurrentSlat->SetHit(xlocal, ylocal);
}


void AliMUONSegmentationSlat::
FirstPad(Float_t xhit, Float_t yhit, Float_t zhit, Float_t dx, Float_t dy)
{
// Initialises iteration over pads for charge distribution algorithm
//


    Int_t islat;
    Float_t xlocal, ylocal;
    GlobalToLocal(xhit, yhit, zhit, islat, xlocal, ylocal);
    fSlatIndex=islat;
    if (islat>-1) {
      fCurrentSlat=Slat(islat);
      fCurrentSlat->FirstPad(xlocal, ylocal, dx, dy);
    }

}


void AliMUONSegmentationSlat::NextPad()
{
// Stepper for the iteration over pads
//
    fCurrentSlat->NextPad();
}


Int_t AliMUONSegmentationSlat::MorePads()
// Stopping condition for the iterator over pads
//
// Are there more pads in the integration region
{ 
    return fCurrentSlat->MorePads();
}

void AliMUONSegmentationSlat::
IntegrationLimits(Float_t& x1,Float_t& x2,Float_t& y1, Float_t& y2)
{
//  Returns integration limits for current pad
//
    
    fCurrentSlat->IntegrationLimits(x1, x2, y1, y2);

}

void AliMUONSegmentationSlat::
Neighbours(Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[10], Int_t Ylist[10])
{
// Returns list of neighbours of pad with coordinates iX, iY

    Int_t i, xListLocal[10], yListLocal[10], iXlocal, iYlocal, islat;
    
    SetSymmetry(iX);

    GlobalToLocal(iX, iY, islat, iXlocal, iYlocal);
 
    Slat(islat)->Neighbours(iXlocal, iYlocal, Nlist, xListLocal, yListLocal);
    
    for (i=0; i<*Nlist; i++) LocalToGlobal(islat, xListLocal[i], yListLocal[i], Xlist[i], Ylist[i]);

}


Int_t  AliMUONSegmentationSlat::Ix()
{
// Return current pad coordinate ix during stepping
    Int_t ixl,iyl,ix,iy;
    ixl=fCurrentSlat->Ix();
    iyl=fCurrentSlat->Iy();
    LocalToGlobal(fSlatIndex, ixl, iyl, ix, iy);

    Int_t ixc, iyc, isc;
    Float_t xc, yc;
    GlobalToLocal(ix, iy, isc, ixc, iyc);
    
    Slat(isc)->GetPadC(ixc,iyc,xc,yc);
    return ix;
}


Int_t  AliMUONSegmentationSlat::Iy()
{
// Return current pad coordinate iy during stepping
    Int_t ixl,iyl,ix,iy;
    ixl=fCurrentSlat->Ix();
    iyl=fCurrentSlat->Iy();
    LocalToGlobal(fSlatIndex, ixl, iyl, ix, iy);
    return iy;
}


   // Signal Generation Condition during Stepping
Int_t AliMUONSegmentationSlat::SigGenCond(Float_t x, Float_t y, Float_t z)
{ 
//
//  True if signal generation condition fullfilled
    Float_t xlocal, ylocal;
    Int_t islat;
    GlobalToLocal(x, y, z, islat, xlocal, ylocal);
    return Slat(islat)->SigGenCond(xlocal, ylocal, z);
}

// Initialise signal generation at coord (x,y,z)
void  AliMUONSegmentationSlat::SigGenInit(Float_t x, Float_t y, Float_t z)
{
// Initialize the signal generation condition
//
    Float_t xlocal, ylocal;
    Int_t islat;

    GlobalToLocal(x, y, z, islat, xlocal, ylocal);
    Slat(islat)->SigGenInit(xlocal, ylocal, z);
}


void AliMUONSegmentationSlat::Init(Int_t chamber)
{
//    
// Initialize slat modules of quadrant +/+    
// The other three quadrants are handled through symmetry transformations
//
  //printf("\n Initialise Segmentation Slat \n");
//

// Initialize Slat modules
    Int_t islat, i;
    Int_t ndiv[4];
// Pad division
    for (i=0; i<4; i++) ndiv[i]=(*fNDiv)[i];
//
    fDz=0.813;
// Slat height    
    fSlatY=40.;
    for (i=0; i<15; i++) fSlatX[i]=0.;
    
// Initialize array of slats 
    fSlats  = new TObjArray(fNSlats);
// Maximum number of strips (pads) in x and y
    fNpy=0;   
    fNpx=0;
// for each slat in the quadrant (+,+)    
    for (islat=0; islat<fNSlats; islat++) {
        fSlats->AddAt(CreateSlatModule(),islat);

	AliMUONSegmentationSlatModule *slat =  Slat(islat);
	// Configure Slat
	slat->SetId(islat);
	
// Foward pad size
	slat->SetPadSize(fDpx, fDpy);
// Forward wire pitch
	slat->SetDAnod(fWireD);
// Foward segmentation 
	slat->SetPadDivision(ndiv);
	slat->SetPcbBoards(fPcb[islat]);
// Initialize slat module
	slat->Init(chamber);
// y-position of slat module relative to the first (closest to the beam)
	fYPosition[islat]= fYPosOrigin+islat*(fSlatY-2.*fShift);
//
	fNpy+=slat->Npy();
	if (slat->Npx() > fNpx) fNpx=slat->Npx();
	Int_t isec;
	for (isec=0; isec< 4; isec++)
	{
	    fSlatX[islat]+=40.*fPcb[islat][isec];
	}
	
    }
// Set parent chamber number
    AliMUON *pMUON  = (AliMUON *) gAlice->GetModule("MUON");
    fChamber=&(pMUON->Chamber(chamber));
    fId=chamber;
}


void AliMUONSegmentationSlat::SetNPCBperSector(Int_t *npcb)
{ 
    //  PCB distribution for station 4 (6 rows with 1+3 segmentation regions)
    for (Int_t islat=0; islat<fNSlats; islat++){ 
	fPcb[islat][0] = *(npcb + 4 * islat);
	fPcb[islat][1] = *(npcb + 4 * islat + 1);
	fPcb[islat][2] = *(npcb + 4 * islat + 2);
	fPcb[islat][3] = *(npcb + 4 * islat + 3);
    }
}


void  AliMUONSegmentationSlat::SetSlatXPositions(Float_t *xpos)
{
// Set x-positions of Slats
    for (Int_t islat=0; islat<fNSlats; islat++) fXPosition[islat]=xpos[islat];
}

AliMUONSegmentationSlatModule*  AliMUONSegmentationSlat::Slat(Int_t index) const
  //PH { return ((AliMUONSegmentationSlatModule*) (*fSlats)[index]);}
{ return ((AliMUONSegmentationSlatModule*) fSlats->At(index));}


AliMUONSegmentationSlatModule* AliMUONSegmentationSlat::
CreateSlatModule() const
{
    // Factory method for slat module
    return new AliMUONSegmentationSlatModule(4);
}


void AliMUONSegmentationSlat::Draw(const char* opt)
{
// Draw method for event display
// 
  if (!strcmp(opt,"eventdisplay")) { 
    const int kColorMUON1 = kYellow;
    const int kColorMUON2 = kBlue; 
    //
    //  Drawing Routines for example for Event Display
    Int_t i,j;
    Int_t npcb[15];
    char nameChamber[9], nameSlat[9], nameNode[9];
    
    //
    // Number of modules per slat
    for (i=0; i<fNSlats; i++) {
      npcb[i]=0;
      for (j=0; j<4; j++) npcb[i]+=fPcb[i][j];
    }  
    //
    TNode* top=gAlice->GetGeometry()->GetNode("alice");
    sprintf(nameChamber,"C_MUON%d",fId+1);
    new TBRIK(nameChamber,"Mother","void",340,340,5.);
    top->cd();
    sprintf(nameNode,"MUON%d",100+fId+1);
    TNode* node = new TNode(nameNode,"Chambernode",nameChamber,0,0,fChamber->Z(),"");
    
    node->SetLineColor(kBlack);
    AliMUON *pMUON  = (AliMUON *) gAlice->GetModule("MUON");
    (pMUON->Nodes())->Add(node);
    TNode* nodeSlat;
    Int_t color;
    
    for (j=0; j<fNSlats; j++)
      {
	sprintf(nameSlat,"SLAT%d",100*fId+1+j);
	Float_t dx = 20.*npcb[j];
	Float_t dy = 20;
	new TBRIK(nameSlat,"Slat Module","void",dx,20.,0.25);
	node->cd();
	color =  TMath::Even(j) ? kColorMUON1 : kColorMUON2;
	
	sprintf(nameNode,"SLAT%d",100*fId+1+j);
	nodeSlat = 
	  new TNode(nameNode,"Slat Module",nameSlat, dx+fXPosition[j],fYPosition[j]+dy,0,"");
	nodeSlat->SetLineColor(color);
	node->cd();
	sprintf(nameNode,"SLAT%d",100*fId+1+j+fNSlats);
	nodeSlat = 
	  new TNode(nameNode,"Slat Module",nameSlat,-dx-fXPosition[j],fYPosition[j]+dy,0,"");
	nodeSlat->SetLineColor(color);
      }
  }
}
Commit	Line	Data
5de7d27f	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	/* $Id$ */
5de7d27f	17
30178c30	18	#include <TArrayI.h>
	19	#include <TObjArray.h>
	20	#include <TMath.h>
	21	#include <TBRIK.h>
	22	#include <TNode.h>
	23	#include <TGeometry.h>
	24
5de7d27f	25	#include "AliMUONSegmentationSlat.h"
	26	#include "AliMUONSegmentationSlatModule.h"
	27	#include "AliMUON.h"
	28	#include "AliMUONChamber.h"
5de7d27f	29	#include "AliRun.h"
5de7d27f	30
	31	//___________________________________________
	32	ClassImp(AliMUONSegmentationSlat)
	33
	34	AliMUONSegmentationSlat::AliMUONSegmentationSlat()
11ca64ac	35	: AliSegmentation()
5de7d27f	36	{
5de7d27f	37	// Default constructor
edf34242	38	fChamber = 0;
	39	fNDiv = 0;
	40	fSlats = 0;
	41	fCurrentSlat = 0;
e9e4cdf2	42	}
e9e4cdf2	43
6aaf81e6	44	AliMUONSegmentationSlat::AliMUONSegmentationSlat(Int_t /nsec/)
11ca64ac	45	: AliSegmentation()
e9e4cdf2	46	{
e9e4cdf2	47	// Non default constructor
5de7d27f	48	fSlats=0;
3f5cf0b3	49	fNDiv = new TArrayI(4);
	50	fChamber = 0;
	51	fCurrentSlat = 0;
5de7d27f	52	}
5de7d27f	53
11ca64ac	54	AliMUONSegmentationSlat::AliMUONSegmentationSlat(const AliMUONSegmentationSlat& rhs)
	55	: AliSegmentation(rhs)
	56	{
	57	// Protected copy constructor
	58
	59	Fatal("AliMUONSegmentationSlatModule", "Not implemented.");
	60	}
	61
c2c0190f	62	AliMUONSegmentationSlat::~AliMUONSegmentationSlat(){
	63	//PH Delete TObjArrays
	64	if (fSlats) {
	65	fSlats->Delete();
	66	delete fSlats;
	67	}
e9e4cdf2	68
	69	if (fNDiv) {
	70	delete fNDiv;
	71	}
	72
c2c0190f	73	}
11ca64ac	74
	75	//----------------------------------------------------------------------
	76	AliMUONSegmentationSlat&
	77	AliMUONSegmentationSlat::operator=(const AliMUONSegmentationSlat& rhs)
	78	{
	79	// Protected assignement operator
	80
	81	if (this == &rhs) return *this;
	82
	83	Fatal("operator=", "Not implemented.");
	84
	85	return *this;
	86	}
	87
	88
6aaf81e6	89	//-----------------------------------------------------------
5de7d27f	90	void AliMUONSegmentationSlat::SetPadSize(Float_t p1, Float_t p2)
	91	{
	92	// Sets the pad (strip) size
	93	//
	94	fDpx=p1;
	95	fDpy=p2;
	96	}
6aaf81e6	97	//-----------------------------------------------------------
5de7d27f	98	Float_t AliMUONSegmentationSlat::GetAnod(Float_t xhit) const
	99	{
	100	// Returns for a hit position xhit the position of the nearest anode wire
	101	Float_t wire= (xhit>0)? Int_t(xhit/fWireD)+0.5:Int_t(xhit/fWireD)-0.5;
	102	return fWireD*wire;
	103	}
6aaf81e6	104	//-----------------------------------------------------------
	105	void AliMUONSegmentationSlat::GetNParallelAndOffset(Int_t /iX/, Int_t /iY/, Int_t Nparallel, Int_t Offset)
	106	{
	107	*Nparallel=1;
	108	*Offset=0;
	109	}
	110	//-----------------------------------------------------------
	111	void AliMUONSegmentationSlat::GiveTestPoints(Int_t & /n/, Float_t /x/, Float_t /y/) const
	112	{;}
	113	//-----------------------------------------------------------
	114	Float_t AliMUONSegmentationSlat::Distance2AndOffset(Int_t /iX/, Int_t /iY/, Float_t /X/, Float_t /Y/, Int_t * /dummy/)
	115	{
	116	return 0.;
	117	}
	118	//-----------------------------------------------------------
5de7d27f	119	Float_t AliMUONSegmentationSlat::Dpx(Int_t isec) const
	120	{
	121	//
	122	// Returns x-pad size for given sector isec
	123	// isec = 100*islat+iregion
	124	//
	125	Int_t islat, iregion;
	126	islat = isec/100;
	127	iregion = isec%100;
	128	return Slat(islat)->Dpx(iregion);
	129	}
	130
6aaf81e6	131	Float_t AliMUONSegmentationSlat::Dpy(Int_t /isec/) const
5de7d27f	132	{
	133	//
	134	// Returns y-pad (strip) size for given sector isec
	135	return fDpy;
	136	}
	137
	138	void AliMUONSegmentationSlat::SetPadDivision(Int_t ndiv[4])
	139	{
	140	//
	141	// Defines the pad size perp. to the anode wire (y) for different sectors.
	142	// Pad sizes are defined as integral fractions ndiv of a basis pad size
	143	// fDpx
	144	//
	145	for (Int_t i=0; i<4; i++) {
	146	(*fNDiv)[i]=ndiv[i];
	147	}
	148	}
	149
	150	void AliMUONSegmentationSlat::GlobalToLocal(
	151	Float_t x, Float_t y, Float_t z, Int_t &islat, Float_t &xlocal, Float_t &ylocal)
	152	{
	153	//
	154	// Perform local to global transformation for space coordinates
	155	//
	156	Float_t zlocal;
	157	Int_t i;
	158	Int_t index=-1;
fa8037e2	159	Float_t eps = 1.e-4;
fa8037e2	160
5de7d27f	161	// Transform According to slat plane z-position: negative side is shifted down
	162	// positive side is shifted up
	163	// by half the overlap
	164	zlocal = z-fChamber->Z();
1391e633	165
	166	// zlocal = (x>0) ? zlocal-2.fDz : zlocal+2.fDz;
	167	zlocal = (x>0) ? zlocal+2.fDz : zlocal-2.fDz; //Change?
	168
5de7d27f	169	// Set the signs for the symmetry transformation and transform to first quadrant
2b202c2e	170	SetSymmetry(x);
5de7d27f	171	Float_t xabs=TMath::Abs(x);
5de7d27f	172
1391e633	173
5de7d27f	174	// Find slat number
1391e633	175	for (i=0; i<fNSlats; i+=1) { //Loop on all slats (longuer but more secure)
5de7d27f	176	index=i;
fa8037e2	177	if ((y >= fYPosition[i]-eps) && (y <= fYPosition[i]+fSlatY+eps)) break;
5de7d27f	178	}
	179
	180	//
	181	// Transform to local coordinate system
	182
	183
25d71048	184	if (index >= fNSlats \|\| index < 0 ) {
	185	islat = -1; xlocal=-1; ylocal = -1; }
	186	else {
	187	ylocal = y -fYPosition[index];
	188	xlocal = xabs-fXPosition[index];
	189	islat = index;
	190	}
5de7d27f	191	}
	192
	193	void AliMUONSegmentationSlat::GlobalToLocal(
30178c30	194	Int_t ix, Int_t iy, Int_t &islat, Int_t &ixlocal, Int_t &iylocal) const
5de7d27f	195	{
	196	//
	197	// Perform global to local transformation for pad coordinates
	198	//
2b202c2e	199	Int_t iytemp = iy;
2b202c2e	200	Int_t index = 0;
5de7d27f	201
	202	iylocal = iytemp;
	203
	204	//
	205	// Find slat number (index) and iylocal
	206	for (Int_t i=0; i<fNSlats; i++) {
	207	iytemp-=Slat(i)->Npy();
	208
5de7d27f	209	if (iytemp <= 0) break;
	210	iylocal = iytemp;
	211	index=i+1;
	212	}
5de7d27f	213	ixlocal=TMath::Abs(ix);
5de7d27f	214	islat=index;
5de7d27f	215	}
	216
	217	void AliMUONSegmentationSlat::
30178c30	218	LocalToGlobal(Int_t islat, Float_t xlocal, Float_t ylocal, Float_t &x, Float_t &y, Float_t &z) const
5de7d27f	219	{
	220	// Transform from local to global space coordinates
	221	//
	222	// upper plane (y>0) even slat number is shifted down
	223	// upper plane (y>0) odd slat number is shifted up
	224	// lower plane (y<0) even slat number is shifted up
	225	// lower plane (y<0) odd slat number is shifted down
	226	//
	227
2b202c2e	228	x = (xlocal+fXPosition[islat])*fSym;
2b202c2e	229	y=(ylocal+fYPosition[islat]);
5de7d27f	230
1391e633	231	z = (TMath::Even(islat)) ? fDz : -fDz ; //Change for new referential
e1ad7d45	232	z = (x>0) ? z+2.fDz : z-2.fDz ;
e1ad7d45	233
5de7d27f	234	z+=fChamber->Z();
5de7d27f	235	}
	236
	237
30178c30	238	void AliMUONSegmentationSlat::LocalToGlobal (
30178c30	239	Int_t islat, Int_t ixlocal, Int_t iylocal, Int_t &ix, Int_t &iy) const
5de7d27f	240	{
	241	// Transform from local to global pad coordinates
	242	//
	243	Int_t i;
	244	iy=iylocal;
	245
	246	//
	247	// Find slat number (index) and iylocal
	248	for (i=0; i<islat; i++) iy+=Slat(islat)->Npy();
	249
2b202c2e	250	ix=ixlocal*fSym;
2b202c2e	251	iy=iy;
5de7d27f	252	}
	253
	254
2b202c2e	255	void AliMUONSegmentationSlat::SetSymmetry(Int_t ix)
5de7d27f	256	{
5de7d27f	257	// Set set signs for symmetry transformation
2b202c2e	258	fSym=TMath::Sign(1,ix);
5de7d27f	259	}
5de7d27f	260
2b202c2e	261	void AliMUONSegmentationSlat::SetSymmetry(Float_t x)
5de7d27f	262	{
5de7d27f	263	// Set set signs for symmetry transformation
2b202c2e	264	fSym=Int_t (TMath::Sign((Float_t)1.,x));
5de7d27f	265	}
	266
	267	void AliMUONSegmentationSlat::
	268	GetPadI(Float_t x, Float_t y, Float_t z, Int_t &ix, Int_t &iy)
	269	{
	270	// Returns pad coordinates for given set of space coordinates
	271
	272	Int_t islat, i;
	273	Float_t xlocal, ylocal;
	274
	275	GlobalToLocal(x,y,z,islat,xlocal,ylocal);
	276	if (islat == -1) {
	277	ix=0; iy=0; return;
	278	}
	279
	280	Slat(islat)->GetPadI(xlocal, ylocal, ix, iy);
	281	for (i=0; i<islat; i++) iy+=Slat(islat)->Npy();
	282
deba22dc	283	ix=ix*Int_t(TMath::Sign((Float_t)1.,x));
5de7d27f	284	}
5de7d27f	285
2b202c2e	286
5de7d27f	287	void AliMUONSegmentationSlat::
	288	GetPadC(Int_t ix, Int_t iy, Float_t &x, Float_t &y, Float_t &z)
	289	{
	290	// Returns real coordinates (x,y) for given pad coordinates (ix,iy)
	291	//
	292	Int_t islat, ixlocal, iylocal;
	293	//
	294	// Delegation of transforamtion to slat
	295	GlobalToLocal(ix,iy,islat,ixlocal,iylocal);
	296	Slat(islat)->GetPadC(ixlocal, iylocal, x, y);
	297	// Slat offset
	298	x+=fXPosition[islat];
	299	y+=fYPosition[islat];
	300
2b202c2e	301	// Symmetry transformation of half planes
5de7d27f	302	x=x*TMath::Sign(1,ix);
2b202c2e	303
2b202c2e	304	// z-position
1391e633	305	z = (TMath::Even(islat)) ? fDz : -fDz ; //Change for new referential
e1ad7d45	306	z = (x>0) ? z+2.fDz : z-2.fDz ;
2b202c2e	307	z += fChamber->Z();
5de7d27f	308	}
	309
	310	Int_t AliMUONSegmentationSlat::ISector()
	311	{
	312	// Returns current sector during tracking
	313	Int_t iregion;
	314
	315	iregion = fCurrentSlat->ISector();
	316	return 100*fSlatIndex+iregion;
	317	}
	318
	319	Int_t AliMUONSegmentationSlat::Sector(Int_t ix, Int_t iy)
	320	{
de05461e	321	// Returns sector for pad coordiantes (ix,iy)
5de7d27f	322	Int_t ixlocal, iylocal, iregion, islat;
	323
	324	GlobalToLocal(ix,iy,islat,ixlocal,iylocal);
	325
	326	iregion = Slat(islat)->Sector(ixlocal, iylocal);
	327	return 100*islat+iregion;
	328	}
	329
	330
	331	void AliMUONSegmentationSlat::SetPad(Int_t ix, Int_t iy)
	332	{
	333	//
	334	// Sets virtual pad coordinates, needed for evaluating pad response
	335	// outside the tracking program
	336	Int_t islat, ixlocal, iylocal;
	337
2b202c2e	338	SetSymmetry(ix);
5de7d27f	339
	340	GlobalToLocal(ix,iy,islat,ixlocal,iylocal);
	341	fSlatIndex=islat;
	342	fCurrentSlat=Slat(islat);
	343	fCurrentSlat->SetPad(ixlocal, iylocal);
	344	}
	345
	346	void AliMUONSegmentationSlat::SetHit(Float_t xhit, Float_t yhit, Float_t zhit)
	347	{ //
	348	// Sets current hit coordinates
	349
	350	Float_t xlocal, ylocal;
	351	Int_t islat;
	352
	353
	354
	355	GlobalToLocal(xhit,yhit,zhit,islat,xlocal,ylocal);
	356	fSlatIndex=islat;
	357	if (islat < 0) printf("\n SetHit: %d", islat);
	358
	359	fCurrentSlat=Slat(islat);
	360	fCurrentSlat->SetHit(xlocal, ylocal);
	361	}
	362
	363
	364	void AliMUONSegmentationSlat::
	365	FirstPad(Float_t xhit, Float_t yhit, Float_t zhit, Float_t dx, Float_t dy)
	366	{
	367	// Initialises iteration over pads for charge distribution algorithm
	368	//
	369
	370
5de7d27f	371	Int_t islat;
	372	Float_t xlocal, ylocal;
	373	GlobalToLocal(xhit, yhit, zhit, islat, xlocal, ylocal);
	374	fSlatIndex=islat;
25d71048	375	if (islat>-1) {
	376	fCurrentSlat=Slat(islat);
	377	fCurrentSlat->FirstPad(xlocal, ylocal, dx, dy);
	378	}
5de7d27f	379
	380	}
	381
	382
	383	void AliMUONSegmentationSlat::NextPad()
	384	{
	385	// Stepper for the iteration over pads
	386	//
	387	fCurrentSlat->NextPad();
	388	}
	389
	390
	391	Int_t AliMUONSegmentationSlat::MorePads()
	392	// Stopping condition for the iterator over pads
	393	//
	394	// Are there more pads in the integration region
	395	{
	396	return fCurrentSlat->MorePads();
	397	}
	398
	399	void AliMUONSegmentationSlat::
	400	IntegrationLimits(Float_t& x1,Float_t& x2,Float_t& y1, Float_t& y2)
	401	{
	402	// Returns integration limits for current pad
	403	//
	404
	405	fCurrentSlat->IntegrationLimits(x1, x2, y1, y2);
	406
	407	}
	408
	409	void AliMUONSegmentationSlat::
	410	Neighbours(Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[10], Int_t Ylist[10])
	411	{
	412	// Returns list of neighbours of pad with coordinates iX, iY
	413
	414	Int_t i, xListLocal[10], yListLocal[10], iXlocal, iYlocal, islat;
	415
2b202c2e	416	SetSymmetry(iX);
5de7d27f	417
	418	GlobalToLocal(iX, iY, islat, iXlocal, iYlocal);
	419
	420	Slat(islat)->Neighbours(iXlocal, iYlocal, Nlist, xListLocal, yListLocal);
	421
	422	for (i=0; i<*Nlist; i++) LocalToGlobal(islat, xListLocal[i], yListLocal[i], Xlist[i], Ylist[i]);
	423
	424	}
	425
	426
	427	Int_t AliMUONSegmentationSlat::Ix()
	428	{
	429	// Return current pad coordinate ix during stepping
	430	Int_t ixl,iyl,ix,iy;
	431	ixl=fCurrentSlat->Ix();
	432	iyl=fCurrentSlat->Iy();
5de7d27f	433	LocalToGlobal(fSlatIndex, ixl, iyl, ix, iy);
30178c30	434
5de7d27f	435	Int_t ixc, iyc, isc;
	436	Float_t xc, yc;
	437	GlobalToLocal(ix, iy, isc, ixc, iyc);
30178c30	438
5de7d27f	439	Slat(isc)->GetPadC(ixc,iyc,xc,yc);
	440	return ix;
	441	}
	442
	443
	444	Int_t AliMUONSegmentationSlat::Iy()
	445	{
	446	// Return current pad coordinate iy during stepping
	447	Int_t ixl,iyl,ix,iy;
	448	ixl=fCurrentSlat->Ix();
	449	iyl=fCurrentSlat->Iy();
	450	LocalToGlobal(fSlatIndex, ixl, iyl, ix, iy);
	451	return iy;
	452	}
	453
	454
	455
	456	// Signal Generation Condition during Stepping
	457	Int_t AliMUONSegmentationSlat::SigGenCond(Float_t x, Float_t y, Float_t z)
	458	{
	459	//
	460	// True if signal generation condition fullfilled
	461	Float_t xlocal, ylocal;
	462	Int_t islat;
	463	GlobalToLocal(x, y, z, islat, xlocal, ylocal);
	464	return Slat(islat)->SigGenCond(xlocal, ylocal, z);
	465	}
	466
	467	// Initialise signal generation at coord (x,y,z)
	468	void AliMUONSegmentationSlat::SigGenInit(Float_t x, Float_t y, Float_t z)
	469	{
	470	// Initialize the signal generation condition
	471	//
	472	Float_t xlocal, ylocal;
	473	Int_t islat;
	474
	475	GlobalToLocal(x, y, z, islat, xlocal, ylocal);
	476	Slat(islat)->SigGenInit(xlocal, ylocal, z);
	477	}
	478
	479
	480
	481	void AliMUONSegmentationSlat::Init(Int_t chamber)
	482	{
	483	//
	484	// Initialize slat modules of quadrant +/+
	485	// The other three quadrants are handled through symmetry transformations
	486	//
9e1a0ddb	487	//printf("\n Initialise Segmentation Slat \n");
5de7d27f	488	//
5de7d27f	489
aaf4addd	490	// Initialize Slat modules
5de7d27f	491	Int_t islat, i;
	492	Int_t ndiv[4];
	493	// Pad division
	494	for (i=0; i<4; i++) ndiv[i]=(*fNDiv)[i];
bf61d9e2	495	//
bf61d9e2	496	fDz=0.813;
5de7d27f	497	// Slat height
5de7d27f	498	fSlatY=40.;
2b202c2e	499	for (i=0; i<15; i++) fSlatX[i]=0.;
5de7d27f	500
	501	// Initialize array of slats
	502	fSlats = new TObjArray(fNSlats);
	503	// Maximum number of strips (pads) in x and y
	504	fNpy=0;
	505	fNpx=0;
	506	// for each slat in the quadrant (+,+)
	507	for (islat=0; islat<fNSlats; islat++) {
cd4df77b	508	fSlats->AddAt(CreateSlatModule(),islat);
5de7d27f	509
	510	AliMUONSegmentationSlatModule *slat = Slat(islat);
	511	// Configure Slat
	512	slat->SetId(islat);
	513
	514	// Foward pad size
	515	slat->SetPadSize(fDpx, fDpy);
	516	// Forward wire pitch
	517	slat->SetDAnod(fWireD);
	518	// Foward segmentation
	519	slat->SetPadDivision(ndiv);
	520	slat->SetPcbBoards(fPcb[islat]);
	521	// Initialize slat module
	522	slat->Init(chamber);
	523	// y-position of slat module relative to the first (closest to the beam)
2b202c2e	524	fYPosition[islat]= fYPosOrigin+islat(fSlatY-2.fShift);
5de7d27f	525	//
	526	fNpy+=slat->Npy();
	527	if (slat->Npx() > fNpx) fNpx=slat->Npx();
	528	Int_t isec;
	529	for (isec=0; isec< 4; isec++)
	530	{
	531	fSlatX[islat]+=40.*fPcb[islat][isec];
	532	}
	533
	534	}
	535	// Set parent chamber number
	536	AliMUON pMUON = (AliMUON ) gAlice->GetModule("MUON");
	537	fChamber=&(pMUON->Chamber(chamber));
aaf4addd	538	fId=chamber;
5de7d27f	539	}
	540
	541
	542
	543
	544
	545	void AliMUONSegmentationSlat::SetNPCBperSector(Int_t *npcb)
	546	{
	547	// PCB distribution for station 4 (6 rows with 1+3 segmentation regions)
	548	for (Int_t islat=0; islat<fNSlats; islat++){
	549	fPcb[islat][0] = (npcb + 4 islat);
	550	fPcb[islat][1] = (npcb + 4 islat + 1);
	551	fPcb[islat][2] = (npcb + 4 islat + 2);
	552	fPcb[islat][3] = (npcb + 4 islat + 3);
	553	}
	554	}
	555
	556
	557	void AliMUONSegmentationSlat::SetSlatXPositions(Float_t *xpos)
	558	{
	559	// Set x-positions of Slats
	560	for (Int_t islat=0; islat<fNSlats; islat++) fXPosition[islat]=xpos[islat];
	561	}
	562
	563	AliMUONSegmentationSlatModule* AliMUONSegmentationSlat::Slat(Int_t index) const
2682e810	564	//PH { return ((AliMUONSegmentationSlatModule) (fSlats)[index]);}
2682e810	565	{ return ((AliMUONSegmentationSlatModule*) fSlats->At(index));}
5de7d27f	566
	567
	568	AliMUONSegmentationSlatModule* AliMUONSegmentationSlat::
30178c30	569	CreateSlatModule() const
5de7d27f	570	{
5de7d27f	571	// Factory method for slat module
e9e4cdf2	572	return new AliMUONSegmentationSlatModule(4);
5de7d27f	573	}
	574
	575
1373d50f	576	void AliMUONSegmentationSlat::Draw(const char* opt)
aaf4addd	577	{
de05461e	578	// Draw method for event display
de05461e	579	//
aaf4addd	580	if (!strcmp(opt,"eventdisplay")) {
	581	const int kColorMUON1 = kYellow;
	582	const int kColorMUON2 = kBlue;
	583	//
	584	// Drawing Routines for example for Event Display
	585	Int_t i,j;
	586	Int_t npcb[15];
	587	char nameChamber[9], nameSlat[9], nameNode[9];
	588
	589	//
	590	// Number of modules per slat
	591	for (i=0; i<fNSlats; i++) {
	592	npcb[i]=0;
	593	for (j=0; j<4; j++) npcb[i]+=fPcb[i][j];
	594	}
	595	//
	596	TNode* top=gAlice->GetGeometry()->GetNode("alice");
	597	sprintf(nameChamber,"C_MUON%d",fId+1);
	598	new TBRIK(nameChamber,"Mother","void",340,340,5.);
	599	top->cd();
	600	sprintf(nameNode,"MUON%d",100+fId+1);
	601	TNode* node = new TNode(nameNode,"Chambernode",nameChamber,0,0,fChamber->Z(),"");
	602
	603	node->SetLineColor(kBlack);
	604	AliMUON pMUON = (AliMUON ) gAlice->GetModule("MUON");
	605	(pMUON->Nodes())->Add(node);
	606	TNode* nodeSlat;
	607	Int_t color;
	608
	609	for (j=0; j<fNSlats; j++)
	610	{
	611	sprintf(nameSlat,"SLAT%d",100*fId+1+j);
	612	Float_t dx = 20.*npcb[j];
	613	Float_t dy = 20;
	614	new TBRIK(nameSlat,"Slat Module","void",dx,20.,0.25);
	615	node->cd();
	616	color = TMath::Even(j) ? kColorMUON1 : kColorMUON2;
	617
	618	sprintf(nameNode,"SLAT%d",100*fId+1+j);
	619	nodeSlat =
	620	new TNode(nameNode,"Slat Module",nameSlat, dx+fXPosition[j],fYPosition[j]+dy,0,"");
	621	nodeSlat->SetLineColor(color);
	622	node->cd();
	623	sprintf(nameNode,"SLAT%d",100*fId+1+j+fNSlats);
	624	nodeSlat =
	625	new TNode(nameNode,"Slat Module",nameSlat,-dx-fXPosition[j],fYPosition[j]+dy,0,"");
	626	nodeSlat->SetLineColor(color);
	627	}
	628	}
	629	}
5de7d27f	630
	631
	632