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

/* $Id$ */

//-----------------------------------------------------------------------------
/// \class AliMUONTriggerCircuit
/// Contains as data members the Y positions of the X declusturized strips and 
/// the X positions of the (doubled or not) Y strips.
/// This is used to associate the global positions to the fired strips of the 
/// local trigger output (see AliMUONTrackReconstructor::MakeTriggerTrack)
///
/// \author Philippe Crochet (LPCCFd)
//-----------------------------------------------------------------------------

#include "AliMUONTriggerCircuit.h"
#include "AliMUONConstants.h"
#include "AliMUONGeometryTransformer.h"

#include "AliMpTrigger.h"
#include "AliMpSlat.h"
#include "AliMpPCB.h"
#include "AliMpSegmentation.h"
#include "AliMpVSegmentation.h"
#include "AliMpCathodType.h"
#include "AliMpDDLStore.h"
#include "AliMpLocalBoard.h"
#include "AliMpConstants.h"
#include "AliMpPad.h"

#include "AliRun.h"
#include "AliLog.h"

#include <TMath.h>
#include <Riostream.h>

/// \cond CLASSIMP
ClassImp(AliMUONTriggerCircuit)
/// \endcond

//----------------------------------------------------------------------
AliMUONTriggerCircuit::AliMUONTriggerCircuit(const AliMUONGeometryTransformer* transformer)
    : TObject(),
      fkTransformer(transformer),
      fkCurrentSeg(0x0),
      fCurrentDetElem(0x0),
      fCurrentLocalBoard(0x0)
{
/// Constructor
  
    for (Int_t i = 1; i < AliMpConstants::NofLocalBoards()+1; ++i) {
      fXpos11[i].Set(16); 
      fYpos11[i].Set(31);
      fYpos21[i].Set(63);
    }

    for (Int_t i = 1; i < AliMpConstants::NofLocalBoards()+1; ++i) { // board begins at 1
  
    AliMpLocalBoard* localBoard = AliMpDDLStore::Instance()->GetLocalBoard(i);

    if (!localBoard)
    {
      AliError(Form("Did not get localboard %d",i));
      continue;
    }

    LoadXPos(localBoard);
    LoadYPos(localBoard);

  }

}

//----------------------------------------------------------------------
AliMUONTriggerCircuit::~AliMUONTriggerCircuit()
{
/// Destructor
   for (Int_t i = 1; i < AliMpConstants::NofLocalBoards()+1; ++i) {
     fXpos11[i].Reset();
     fYpos11[i].Reset();
     fYpos21[i].Reset();
    }

} 

//----------------------------------------------------------------------
AliMUONTriggerCircuit::AliMUONTriggerCircuit(const AliMUONTriggerCircuit& circuit)
    :  TObject(circuit),
       fkTransformer(circuit.fkTransformer), // do not copy, just pointed to
       fkCurrentSeg(circuit.fkCurrentSeg),
       fCurrentDetElem(circuit.fCurrentDetElem),
       fCurrentLocalBoard(circuit.fCurrentLocalBoard)
{
/// Copy constructor

    for (Int_t i = 1; i < AliMpConstants::NofLocalBoards()+1; ++i) {
      fXpos11[i] = circuit.fXpos11[i];
      fYpos11[i] = circuit.fYpos11[i];
      fYpos21[i] = circuit.fYpos21[i];
    }

}
//----------------------------------------------------------------------
AliMUONTriggerCircuit& AliMUONTriggerCircuit::operator=(const AliMUONTriggerCircuit& circuit) 
{
/// Assignment operator

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

  fkTransformer      = circuit.fkTransformer;
  fkCurrentSeg       = circuit.fkCurrentSeg;
  fCurrentDetElem    = circuit.fCurrentDetElem;
  fCurrentLocalBoard = circuit.fCurrentLocalBoard;

  for (Int_t i = 1; i < AliMpConstants::NofLocalBoards()+1; ++i) {
    fXpos11[i] = circuit.fXpos11[i];
    fYpos11[i] = circuit.fYpos11[i];
    fYpos21[i] = circuit.fYpos21[i];
  }

  return *this;

}

//---------------------------------------------------------------------
void AliMUONTriggerCircuit::LoadYPos(AliMpLocalBoard* const localBoard)
{
/// fill fYpos11 and fYpos21 -> y position of X declusterized strips
  
  fCurrentLocalBoard = localBoard->GetId();
  Int_t ichamber = 0;
  Int_t icathode = 0;    
    
  Int_t zeroDown = localBoard->GetSwitch(AliMpLocalBoard::kZeroDown);
  Int_t zeroUp   = localBoard->GetSwitch(AliMpLocalBoard::kZeroUp);
 
  Int_t iline = localBoard->GetPosition().GetFirst();
  Int_t icol  = localBoard->GetPosition().GetSecond();
  if ( iline == 5 ) --icol;

  //--- first plane 
  ichamber = 10;
  fCurrentDetElem = AliMpDDLStore::Instance()->GetDEfromLocalBoard(fCurrentLocalBoard, ichamber);

  fkCurrentSeg = AliMpSegmentation::Instance()
        ->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode));  

  Int_t iFirstStrip = FirstStrip(localBoard);
  Int_t iLastStrip  = iFirstStrip + 16;    
  Int_t iStripCircuit = 0;

  FillXstrips(icol, iFirstStrip, iLastStrip, 
	      iStripCircuit, fYpos11[fCurrentLocalBoard]);
  
  //--- second plane 
  ichamber = 12;
  fCurrentDetElem = AliMpDDLStore::Instance()->GetDEfromLocalBoard(fCurrentLocalBoard, ichamber);

  fkCurrentSeg = AliMpSegmentation::Instance()
        ->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode));  

  // second plane middle part
  Int_t iFirstStripMiddle = FirstStrip(localBoard);
  Int_t iLastStripMiddle  = iFirstStrip + 16;
  iStripCircuit = 8;

  FillXstrips(icol, iFirstStripMiddle, iLastStripMiddle,
	      iStripCircuit, fYpos21[fCurrentLocalBoard]);
  
  // second plane upper part
  if (zeroUp == 0) { // something up
    Int_t iFirstStripUp;
    Int_t iLastStripUp;
    Int_t icolUp = icol;

    // check if we need to move to another detElemId
    AliMpPad pad = fkCurrentSeg->PadByIndices(AliMpIntPair(icol-1,iLastStripMiddle+1),kFALSE);

    if (pad.IsValid()) { // upper strips within same detElemId
      iFirstStripUp = iLastStripMiddle;
      iLastStripUp  = iFirstStripUp + 8;

    } else {             // upper strips in another detElemId
      fCurrentDetElem = AliMpDDLStore::Instance()->
	           GetNextDEfromLocalBoard(fCurrentLocalBoard, ichamber);

      fkCurrentSeg = AliMpSegmentation::Instance()
            ->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode));  

      iFirstStripUp = 0;
      iLastStripUp  = iFirstStripUp + 8;
      if (iline == 4) icolUp = icol - 1; // special case
      if (iline == 5) icolUp = icol + 1; // special case
    }
    
    iStripCircuit = 24;
    FillXstrips(icolUp, iFirstStripUp, iLastStripUp,
		iStripCircuit, fYpos21[fCurrentLocalBoard]);
    
    // fill strip between middle and upper part
    fYpos21[fCurrentLocalBoard][47] = (fYpos21[fCurrentLocalBoard][46] + 
				       fYpos21[fCurrentLocalBoard][48])/2.;
  } // end of something up
  
  // restore current detElemId & segmentation
  fCurrentDetElem = AliMpDDLStore::Instance()->GetDEfromLocalBoard(fCurrentLocalBoard, ichamber);
  fkCurrentSeg = AliMpSegmentation::Instance()
      ->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode));  

  // second plane lower part
  if (zeroDown == 0) { // something down
    Int_t iFirstStripDo;
    Int_t iLastStripDo;
    Int_t icolDo = icol;
    
    // check if we need to move to another detElemId      
    AliMpPad pad = fkCurrentSeg->PadByIndices(AliMpIntPair(icol-1,iFirstStripMiddle-1),kFALSE);
    if (pad.IsValid()) { // lower strips within same detElemId
      iFirstStripDo = iFirstStripMiddle - 8;
      iLastStripDo  = iFirstStripDo + 8;	      

    } else {             // lower strips in another detElemId 
      fCurrentDetElem = AliMpDDLStore::Instance()
	  ->GetPreviousDEfromLocalBoard(fCurrentLocalBoard, ichamber);

      fkCurrentSeg = AliMpSegmentation::Instance()
	  ->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode));  

      // get iFirstStrip in this module 
      const AliMpTrigger* t = AliMpSegmentation::Instance()->GetTrigger(fkCurrentSeg);
      const AliMpSlat* slat = t->GetLayer(0);

      if (iline == 5) icolDo = icol + 1; // special case
      if (iline == 6) icolDo = icol - 1; // special case
	    
      const AliMpPCB* pcb = slat->GetPCB(icolDo-1);
      iFirstStripDo = (pcb->Iymax() + 1) - 8;
      iLastStripDo =  iFirstStripDo + 8;
    }  
    
    iStripCircuit = 0;
    FillXstrips(icolDo, iFirstStripDo, iLastStripDo,
		iStripCircuit, fYpos21[fCurrentLocalBoard]);
    
    // fill strip between middle and upper part
    fYpos21[fCurrentLocalBoard][15] = (fYpos21[fCurrentLocalBoard][14] + 
				       fYpos21[fCurrentLocalBoard][16])/2.;
  } // end of something down
  
}

//----------------------------------------------------------------------
void AliMUONTriggerCircuit::FillXstrips(const Int_t icol, 
					const Int_t iFirstStrip, const Int_t iLastStrip, 
					Int_t liStripCircuit, TArrayF& ypos)
{    
/// fill 
  Double_t xyGlobal[2] = {0.};
  for (Int_t istrip = iFirstStrip; istrip < iLastStrip; ++istrip) {

    AliMpPad pad = fkCurrentSeg->PadByIndices(AliMpIntPair(icol-1,istrip),kTRUE);
    if ( !pad.IsValid() ) {
      StdoutToAliError(cout << "Pad not found in seg " << endl;
                       fkCurrentSeg->Print();
                       cout << " ix,iy=" << icol-1 << "," << istrip << endl;
                       );
    }
    Float_t yDim = pad.Dimensions().Y(); // half size! 

    XYGlobal(pad,xyGlobal);
    
    ypos[2*liStripCircuit] = xyGlobal[1];
    if (istrip != (iLastStrip - 1)) ypos[2*liStripCircuit+1] = xyGlobal[1] + yDim;
    liStripCircuit++;
  }    
}


//----------------------------------------------------------------------
void AliMUONTriggerCircuit::LoadXPos(AliMpLocalBoard* const localBoard)
{
/// fill fXpos11 -> x position of Y strips for the first plane only
/// fXpos11 contains the x position of Y strip for the current circuit
/// taking into account whether or nor not part(s) of the circuit
/// (middle, up or down) has(have) 16 strips (handdled by means of switchs)

  fCurrentLocalBoard = localBoard->GetId();

  Int_t ichamber = 10;
  Int_t icathode = 1;
  
  Int_t x2u = localBoard->GetSwitch(AliMpLocalBoard::kX2u);
  Int_t x2m = localBoard->GetSwitch(AliMpLocalBoard::kX2m);
  Int_t x2d = localBoard->GetSwitch(AliMpLocalBoard::kX2d);
  Int_t zeroAllYLSB = localBoard->GetSwitch(AliMpLocalBoard::kZeroAllYLSB);

  Int_t  iStripCircuit = 0;
  Int_t  iFirstStrip   = 0;
  Int_t  iLastStrip    = 0;
  Bool_t doubling      = kFALSE;
  
  Int_t iline  = localBoard->GetPosition().GetFirst();
  Int_t icol   = localBoard->GetPosition().GetSecond();
  if ( iline == 5 ) --icol;

  fCurrentDetElem = AliMpDDLStore::Instance()->GetDEfromLocalBoard(fCurrentLocalBoard, ichamber);

  fkCurrentSeg = AliMpSegmentation::Instance()
        ->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode));  

  // check if one needs a strip doubling or not
  if ( (x2u || x2m || x2d ) && x2m ) doubling = kTRUE;
  

  // check if one starts at strip = 0 or 8 (boards 26-29 and 143-146)
  if (zeroAllYLSB) iStripCircuit = 8;
  
  // get iFirstStrip in this module 
  const AliMpTrigger* t = AliMpSegmentation::Instance()->GetTrigger(fkCurrentSeg);
  const AliMpSlat* slat = t->GetLayer(0);
  
  const AliMpPCB* pcb = slat->GetPCB(icol-1);
  iFirstStrip = pcb->Ixmin();
  

  if (doubling || zeroAllYLSB == 1) iLastStrip = iFirstStrip + 8;
  else iLastStrip = iFirstStrip + 16;
  
  FillYstrips(iFirstStrip, iLastStrip, iStripCircuit, doubling);  
}

//----------------------------------------------------------------------
void AliMUONTriggerCircuit::FillYstrips(const Int_t iFirstStrip, const Int_t iLastStrip, 
					Int_t liStripCircuit,
					const Bool_t doubling)
{    
/// fill
  Double_t xyGlobal[2] = {0.};

  for (Int_t istrip = iFirstStrip; istrip < iLastStrip; ++istrip) {

    AliMpPad pad = fkCurrentSeg->PadByIndices(AliMpIntPair(istrip,0),kTRUE);

    if ( !pad.IsValid() )
    {
	StdoutToAliError(cout << "Pad not found in seg " << endl;
			 fkCurrentSeg->Print();
			 cout << " ix,iy=" << istrip << "," << 0 << endl;
			 );
    }
    Float_t xDim = pad.Dimensions().X(); // half size!

    XYGlobal(pad,xyGlobal);
    
    if (!doubling) {	
      fXpos11[fCurrentLocalBoard].AddAt(xyGlobal[0], liStripCircuit);
    } else if (doubling) {

      fXpos11[fCurrentLocalBoard].AddAt(TMath::Sign(1.,xyGlobal[0]) * 
				  (TMath::Abs(xyGlobal[0]) - xDim/2.), 2*liStripCircuit);

      fXpos11[fCurrentLocalBoard].AddAt(TMath::Sign(1.,xyGlobal[0]) *
				  (TMath::Abs(fXpos11[fCurrentLocalBoard][2*liStripCircuit]) + xDim),
					2*liStripCircuit + 1); 
    }

    liStripCircuit++;
  }    
}

//----------------------------------------------------------------------
void AliMUONTriggerCircuit::XYGlobal(const AliMpPad& pad,
				     Double_t* xyGlobal)
{
/// returns pad x & y positions and x & y pad dimensions in global coordinates
/// note: no need for transformation for pad dimensions
  
  // get the pad position and dimensions
  Double_t xl1 = pad.Position().X();
  Double_t yl1 = pad.Position().Y();
  Double_t zg1 = 0;
  
  // positions from local to global 
  fkTransformer->Local2Global(fCurrentDetElem, xl1, yl1, 0, 
                                 xyGlobal[0], xyGlobal[1], zg1);
}


//----------------------------------------------------------------------
//--- methods which return member data related info
//----------------------------------------------------------------------
Float_t AliMUONTriggerCircuit::GetY11Pos(Int_t localBoardId, Int_t istrip) const 
{
/// returns Y position of X strip istrip in MC11
  return fYpos11[localBoardId][istrip];
}
//----------------------------------------------------------------------
Float_t AliMUONTriggerCircuit::GetY21Pos(Int_t localBoardId, Int_t istrip) const 
{
/// returns Y position of X strip istrip in MC21
  return fYpos21[localBoardId][istrip];
}
//----------------------------------------------------------------------
Float_t AliMUONTriggerCircuit::GetX11Pos(Int_t localBoardId, Int_t istrip) const 
{
/// returns X position of Y strip istrip in MC11
  return fXpos11[localBoardId][istrip];
}

//----------------------------------------------------------------------
Int_t AliMUONTriggerCircuit::FirstStrip(AliMpLocalBoard* localBoard)
{
/// returns the first strip from mapping for board boardName
/// take care of special case for boards RC1L6B12 & LC1L6B12
  Int_t iFirstStrip = -1;
  Int_t boardNumber = atoi(localBoard->GetName()+6);

  Int_t iline = localBoard->GetPosition().GetFirst();
  Int_t icol  = localBoard->GetPosition().GetSecond();
  if ( iline == 5 ) --icol;

  switch (boardNumber)
  {
    case 12:
      iFirstStrip = 0;
      break;		
    case 34:
      iFirstStrip = 16;
      break;		
    case 56:
      iFirstStrip = 32;
      break;		
    case 78:
      iFirstStrip = 48;
      break;		
  }
  if (icol == 1 && iline == 6) iFirstStrip += 16; // special case
  return iFirstStrip;
}

//----------------------------------------------------------------------
Float_t AliMUONTriggerCircuit::PtCal(Int_t localBoardId, Int_t istripX, Int_t idev, Int_t istripY) const{
/// returns calculated pt for circuit/istripX/idev/istripY according 
/// to the formula of the TRD. Note : idev (input) is in [0+30]

  //  Int_t jdev = idev - 15;        // jdev in [-15+15]
  Int_t istripX2=istripX+idev+1; // find istripX2 using istripX and idev

  Float_t yPosX1=fYpos11[localBoardId][istripX];
  Float_t yPosX2=fYpos21[localBoardId][istripX2];
  Float_t xPosY1=fXpos11[localBoardId][istripY];

// Z distance between IP and center of dipole
  Float_t zf= TMath::Abs(0.5 *(AliMUONConstants::CoilZ() + AliMUONConstants::YokeZ()));
  Float_t z1=AliMUONConstants::DefaultChamberZ(10);
  Float_t z2=AliMUONConstants::DefaultChamberZ(12);
  Float_t thetaDev=(1./zf)*(yPosX1*z2-yPosX2*z1)/(z2-z1);
  Float_t xf=xPosY1*zf/z1; 
  Float_t yf=yPosX2-((yPosX2-yPosX1)*(z2-zf))/(z2-z1);
  return (3.*0.3/TMath::Abs(thetaDev)) * TMath::Sqrt(xf*xf+yf*yf)/zf;
}
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
	16	/* $Id$ */
	17
	18	//-----------------------------------------------------------------------------
	19	/// \class AliMUONTriggerCircuit
	20	/// Contains as data members the Y positions of the X declusturized strips and
	21	/// the X positions of the (doubled or not) Y strips.
	22	/// This is used to associate the global positions to the fired strips of the
	23	/// local trigger output (see AliMUONTrackReconstructor::MakeTriggerTrack)
	24	///
	25	/// \author Philippe Crochet (LPCCFd)
	26	//-----------------------------------------------------------------------------
	27
	28	#include "AliMUONTriggerCircuit.h"
	29	#include "AliMUONConstants.h"
	30	#include "AliMUONGeometryTransformer.h"
	31
	32	#include "AliMpTrigger.h"
	33	#include "AliMpSlat.h"
	34	#include "AliMpPCB.h"
	35	#include "AliMpSegmentation.h"
	36	#include "AliMpVSegmentation.h"
	37	#include "AliMpCathodType.h"
	38	#include "AliMpDDLStore.h"
	39	#include "AliMpLocalBoard.h"
	40	#include "AliMpConstants.h"
	41	#include "AliMpPad.h"
	42
	43	#include "AliRun.h"
	44	#include "AliLog.h"
	45
	46	#include <TMath.h>
	47	#include <Riostream.h>
	48
	49	/// \cond CLASSIMP
	50	ClassImp(AliMUONTriggerCircuit)
	51	/// \endcond
	52
	53	//----------------------------------------------------------------------
	54	AliMUONTriggerCircuit::AliMUONTriggerCircuit(const AliMUONGeometryTransformer* transformer)
	55	: TObject(),
	56	fkTransformer(transformer),
	57	fkCurrentSeg(0x0),
	58	fCurrentDetElem(0x0),
	59	fCurrentLocalBoard(0x0)
	60	{
	61	/// Constructor
	62
	63	for (Int_t i = 1; i < AliMpConstants::NofLocalBoards()+1; ++i) {
	64	fXpos11[i].Set(16);
	65	fYpos11[i].Set(31);
	66	fYpos21[i].Set(63);
	67	}
	68
	69	for (Int_t i = 1; i < AliMpConstants::NofLocalBoards()+1; ++i) { // board begins at 1
	70
	71	AliMpLocalBoard* localBoard = AliMpDDLStore::Instance()->GetLocalBoard(i);
	72
	73	if (!localBoard)
	74	{
	75	AliError(Form("Did not get localboard %d",i));
	76	continue;
	77	}
	78
	79	LoadXPos(localBoard);
	80	LoadYPos(localBoard);
	81
	82	}
	83
	84	}
	85
	86	//----------------------------------------------------------------------
	87	AliMUONTriggerCircuit::~AliMUONTriggerCircuit()
	88	{
	89	/// Destructor
	90	for (Int_t i = 1; i < AliMpConstants::NofLocalBoards()+1; ++i) {
	91	fXpos11[i].Reset();
	92	fYpos11[i].Reset();
	93	fYpos21[i].Reset();
	94	}
	95
	96	}
	97
	98	//----------------------------------------------------------------------
	99	AliMUONTriggerCircuit::AliMUONTriggerCircuit(const AliMUONTriggerCircuit& circuit)
	100	: TObject(circuit),
	101	fkTransformer(circuit.fkTransformer), // do not copy, just pointed to
	102	fkCurrentSeg(circuit.fkCurrentSeg),
	103	fCurrentDetElem(circuit.fCurrentDetElem),
	104	fCurrentLocalBoard(circuit.fCurrentLocalBoard)
	105	{
	106	/// Copy constructor
	107
	108	for (Int_t i = 1; i < AliMpConstants::NofLocalBoards()+1; ++i) {
	109	fXpos11[i] = circuit.fXpos11[i];
	110	fYpos11[i] = circuit.fYpos11[i];
	111	fYpos21[i] = circuit.fYpos21[i];
	112	}
	113
	114	}
	115	//----------------------------------------------------------------------
	116	AliMUONTriggerCircuit& AliMUONTriggerCircuit::operator=(const AliMUONTriggerCircuit& circuit)
	117	{
	118	/// Assignment operator
	119
	120	if (this == &circuit) return *this;
	121
	122	fkTransformer = circuit.fkTransformer;
	123	fkCurrentSeg = circuit.fkCurrentSeg;
	124	fCurrentDetElem = circuit.fCurrentDetElem;
	125	fCurrentLocalBoard = circuit.fCurrentLocalBoard;
	126
	127	for (Int_t i = 1; i < AliMpConstants::NofLocalBoards()+1; ++i) {
	128	fXpos11[i] = circuit.fXpos11[i];
	129	fYpos11[i] = circuit.fYpos11[i];
	130	fYpos21[i] = circuit.fYpos21[i];
	131	}
	132
	133	return *this;
	134
	135	}
	136
	137	//---------------------------------------------------------------------
	138	void AliMUONTriggerCircuit::LoadYPos(AliMpLocalBoard* const localBoard)
	139	{
	140	/// fill fYpos11 and fYpos21 -> y position of X declusterized strips
	141
	142	fCurrentLocalBoard = localBoard->GetId();
	143	Int_t ichamber = 0;
	144	Int_t icathode = 0;
	145
	146	Int_t zeroDown = localBoard->GetSwitch(AliMpLocalBoard::kZeroDown);
	147	Int_t zeroUp = localBoard->GetSwitch(AliMpLocalBoard::kZeroUp);
	148
	149	Int_t iline = localBoard->GetPosition().GetFirst();
	150	Int_t icol = localBoard->GetPosition().GetSecond();
	151	if ( iline == 5 ) --icol;
	152
	153	//--- first plane
	154	ichamber = 10;
	155	fCurrentDetElem = AliMpDDLStore::Instance()->GetDEfromLocalBoard(fCurrentLocalBoard, ichamber);
	156
	157	fkCurrentSeg = AliMpSegmentation::Instance()
	158	->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode));
	159
	160	Int_t iFirstStrip = FirstStrip(localBoard);
	161	Int_t iLastStrip = iFirstStrip + 16;
	162	Int_t iStripCircuit = 0;
	163
	164	FillXstrips(icol, iFirstStrip, iLastStrip,
	165	iStripCircuit, fYpos11[fCurrentLocalBoard]);
	166
	167	//--- second plane
	168	ichamber = 12;
	169	fCurrentDetElem = AliMpDDLStore::Instance()->GetDEfromLocalBoard(fCurrentLocalBoard, ichamber);
	170
	171	fkCurrentSeg = AliMpSegmentation::Instance()
	172	->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode));
	173
	174	// second plane middle part
	175	Int_t iFirstStripMiddle = FirstStrip(localBoard);
	176	Int_t iLastStripMiddle = iFirstStrip + 16;
	177	iStripCircuit = 8;
	178
	179	FillXstrips(icol, iFirstStripMiddle, iLastStripMiddle,
	180	iStripCircuit, fYpos21[fCurrentLocalBoard]);
	181
	182	// second plane upper part
	183	if (zeroUp == 0) { // something up
	184	Int_t iFirstStripUp;
	185	Int_t iLastStripUp;
	186	Int_t icolUp = icol;
	187
	188	// check if we need to move to another detElemId
	189	AliMpPad pad = fkCurrentSeg->PadByIndices(AliMpIntPair(icol-1,iLastStripMiddle+1),kFALSE);
	190
	191	if (pad.IsValid()) { // upper strips within same detElemId
	192	iFirstStripUp = iLastStripMiddle;
	193	iLastStripUp = iFirstStripUp + 8;
	194
	195	} else { // upper strips in another detElemId
	196	fCurrentDetElem = AliMpDDLStore::Instance()->
	197	GetNextDEfromLocalBoard(fCurrentLocalBoard, ichamber);
	198
	199	fkCurrentSeg = AliMpSegmentation::Instance()
	200	->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode));
	201
	202	iFirstStripUp = 0;
	203	iLastStripUp = iFirstStripUp + 8;
	204	if (iline == 4) icolUp = icol - 1; // special case
	205	if (iline == 5) icolUp = icol + 1; // special case
	206	}
	207
	208	iStripCircuit = 24;
	209	FillXstrips(icolUp, iFirstStripUp, iLastStripUp,
	210	iStripCircuit, fYpos21[fCurrentLocalBoard]);
	211
	212	// fill strip between middle and upper part
	213	fYpos21[fCurrentLocalBoard][47] = (fYpos21[fCurrentLocalBoard][46] +
	214	fYpos21[fCurrentLocalBoard][48])/2.;
	215	} // end of something up
	216
	217	// restore current detElemId & segmentation
	218	fCurrentDetElem = AliMpDDLStore::Instance()->GetDEfromLocalBoard(fCurrentLocalBoard, ichamber);
	219	fkCurrentSeg = AliMpSegmentation::Instance()
	220	->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode));
	221
	222	// second plane lower part
	223	if (zeroDown == 0) { // something down
	224	Int_t iFirstStripDo;
	225	Int_t iLastStripDo;
	226	Int_t icolDo = icol;
	227
	228	// check if we need to move to another detElemId
	229	AliMpPad pad = fkCurrentSeg->PadByIndices(AliMpIntPair(icol-1,iFirstStripMiddle-1),kFALSE);
	230	if (pad.IsValid()) { // lower strips within same detElemId
	231	iFirstStripDo = iFirstStripMiddle - 8;
	232	iLastStripDo = iFirstStripDo + 8;
	233
	234	} else { // lower strips in another detElemId
	235	fCurrentDetElem = AliMpDDLStore::Instance()
	236	->GetPreviousDEfromLocalBoard(fCurrentLocalBoard, ichamber);
	237
	238	fkCurrentSeg = AliMpSegmentation::Instance()
	239	->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode));
	240
	241	// get iFirstStrip in this module
	242	const AliMpTrigger* t = AliMpSegmentation::Instance()->GetTrigger(fkCurrentSeg);
	243	const AliMpSlat* slat = t->GetLayer(0);
	244
	245	if (iline == 5) icolDo = icol + 1; // special case
	246	if (iline == 6) icolDo = icol - 1; // special case
	247
	248	const AliMpPCB* pcb = slat->GetPCB(icolDo-1);
	249	iFirstStripDo = (pcb->Iymax() + 1) - 8;
	250	iLastStripDo = iFirstStripDo + 8;
	251	}
	252
	253	iStripCircuit = 0;
	254	FillXstrips(icolDo, iFirstStripDo, iLastStripDo,
	255	iStripCircuit, fYpos21[fCurrentLocalBoard]);
	256
	257	// fill strip between middle and upper part
	258	fYpos21[fCurrentLocalBoard][15] = (fYpos21[fCurrentLocalBoard][14] +
	259	fYpos21[fCurrentLocalBoard][16])/2.;
	260	} // end of something down
	261
	262	}
	263
	264	//----------------------------------------------------------------------
	265	void AliMUONTriggerCircuit::FillXstrips(const Int_t icol,
	266	const Int_t iFirstStrip, const Int_t iLastStrip,
	267	Int_t liStripCircuit, TArrayF& ypos)
	268	{
	269	/// fill
	270	Double_t xyGlobal[2] = {0.};
	271	for (Int_t istrip = iFirstStrip; istrip < iLastStrip; ++istrip) {
	272
	273	AliMpPad pad = fkCurrentSeg->PadByIndices(AliMpIntPair(icol-1,istrip),kTRUE);
	274	if ( !pad.IsValid() ) {
	275	StdoutToAliError(cout << "Pad not found in seg " << endl;
	276	fkCurrentSeg->Print();
	277	cout << " ix,iy=" << icol-1 << "," << istrip << endl;
	278	);
	279	}
	280	Float_t yDim = pad.Dimensions().Y(); // half size!
	281
	282	XYGlobal(pad,xyGlobal);
	283
	284	ypos[2*liStripCircuit] = xyGlobal[1];
	285	if (istrip != (iLastStrip - 1)) ypos[2*liStripCircuit+1] = xyGlobal[1] + yDim;
	286	liStripCircuit++;
	287	}
	288	}
	289
	290
	291	//----------------------------------------------------------------------
	292	void AliMUONTriggerCircuit::LoadXPos(AliMpLocalBoard* const localBoard)
	293	{
	294	/// fill fXpos11 -> x position of Y strips for the first plane only
	295	/// fXpos11 contains the x position of Y strip for the current circuit
	296	/// taking into account whether or nor not part(s) of the circuit
	297	/// (middle, up or down) has(have) 16 strips (handdled by means of switchs)
	298
	299	fCurrentLocalBoard = localBoard->GetId();
	300
	301	Int_t ichamber = 10;
	302	Int_t icathode = 1;
	303
	304	Int_t x2u = localBoard->GetSwitch(AliMpLocalBoard::kX2u);
	305	Int_t x2m = localBoard->GetSwitch(AliMpLocalBoard::kX2m);
	306	Int_t x2d = localBoard->GetSwitch(AliMpLocalBoard::kX2d);
	307	Int_t zeroAllYLSB = localBoard->GetSwitch(AliMpLocalBoard::kZeroAllYLSB);
	308
	309	Int_t iStripCircuit = 0;
	310	Int_t iFirstStrip = 0;
	311	Int_t iLastStrip = 0;
	312	Bool_t doubling = kFALSE;
	313
	314	Int_t iline = localBoard->GetPosition().GetFirst();
	315	Int_t icol = localBoard->GetPosition().GetSecond();
	316	if ( iline == 5 ) --icol;
	317
	318	fCurrentDetElem = AliMpDDLStore::Instance()->GetDEfromLocalBoard(fCurrentLocalBoard, ichamber);
	319
	320	fkCurrentSeg = AliMpSegmentation::Instance()
	321	->GetMpSegmentation(fCurrentDetElem, AliMp::GetCathodType(icathode));
	322
	323	// check if one needs a strip doubling or not
	324	if ( (x2u \|\| x2m \|\| x2d ) && x2m ) doubling = kTRUE;
	325
	326
	327	// check if one starts at strip = 0 or 8 (boards 26-29 and 143-146)
	328	if (zeroAllYLSB) iStripCircuit = 8;
	329
	330	// get iFirstStrip in this module
	331	const AliMpTrigger* t = AliMpSegmentation::Instance()->GetTrigger(fkCurrentSeg);
	332	const AliMpSlat* slat = t->GetLayer(0);
	333
	334	const AliMpPCB* pcb = slat->GetPCB(icol-1);
	335	iFirstStrip = pcb->Ixmin();
	336
	337
	338	if (doubling \|\| zeroAllYLSB == 1) iLastStrip = iFirstStrip + 8;
	339	else iLastStrip = iFirstStrip + 16;
	340
	341	FillYstrips(iFirstStrip, iLastStrip, iStripCircuit, doubling);
	342	}
	343
	344	//----------------------------------------------------------------------
	345	void AliMUONTriggerCircuit::FillYstrips(const Int_t iFirstStrip, const Int_t iLastStrip,
	346	Int_t liStripCircuit,
	347	const Bool_t doubling)
	348	{
	349	/// fill
	350	Double_t xyGlobal[2] = {0.};
	351
	352	for (Int_t istrip = iFirstStrip; istrip < iLastStrip; ++istrip) {
	353
	354	AliMpPad pad = fkCurrentSeg->PadByIndices(AliMpIntPair(istrip,0),kTRUE);
	355
	356	if ( !pad.IsValid() )
	357	{
	358	StdoutToAliError(cout << "Pad not found in seg " << endl;
	359	fkCurrentSeg->Print();
	360	cout << " ix,iy=" << istrip << "," << 0 << endl;
	361	);
	362	}
	363	Float_t xDim = pad.Dimensions().X(); // half size!
	364
	365	XYGlobal(pad,xyGlobal);
	366
	367	if (!doubling) {
	368	fXpos11[fCurrentLocalBoard].AddAt(xyGlobal[0], liStripCircuit);
	369	} else if (doubling) {
	370
	371	fXpos11[fCurrentLocalBoard].AddAt(TMath::Sign(1.,xyGlobal[0]) *
	372	(TMath::Abs(xyGlobal[0]) - xDim/2.), 2*liStripCircuit);
	373
	374	fXpos11[fCurrentLocalBoard].AddAt(TMath::Sign(1.,xyGlobal[0]) *
	375	(TMath::Abs(fXpos11[fCurrentLocalBoard][2*liStripCircuit]) + xDim),
	376	2*liStripCircuit + 1);
	377	}
	378
	379	liStripCircuit++;
	380	}
	381	}
	382
	383	//----------------------------------------------------------------------
	384	void AliMUONTriggerCircuit::XYGlobal(const AliMpPad& pad,
	385	Double_t* xyGlobal)
	386	{
	387	/// returns pad x & y positions and x & y pad dimensions in global coordinates
	388	/// note: no need for transformation for pad dimensions
	389
	390	// get the pad position and dimensions
	391	Double_t xl1 = pad.Position().X();
	392	Double_t yl1 = pad.Position().Y();
	393	Double_t zg1 = 0;
	394
	395	// positions from local to global
	396	fkTransformer->Local2Global(fCurrentDetElem, xl1, yl1, 0,
	397	xyGlobal[0], xyGlobal[1], zg1);
	398	}
	399
	400
	401	//----------------------------------------------------------------------
	402	//--- methods which return member data related info
	403	//----------------------------------------------------------------------
	404	Float_t AliMUONTriggerCircuit::GetY11Pos(Int_t localBoardId, Int_t istrip) const
	405	{
	406	/// returns Y position of X strip istrip in MC11
	407	return fYpos11[localBoardId][istrip];
	408	}
	409	//----------------------------------------------------------------------
	410	Float_t AliMUONTriggerCircuit::GetY21Pos(Int_t localBoardId, Int_t istrip) const
	411	{
	412	/// returns Y position of X strip istrip in MC21
	413	return fYpos21[localBoardId][istrip];
	414	}
	415	//----------------------------------------------------------------------
	416	Float_t AliMUONTriggerCircuit::GetX11Pos(Int_t localBoardId, Int_t istrip) const
	417	{
	418	/// returns X position of Y strip istrip in MC11
	419	return fXpos11[localBoardId][istrip];
	420	}
	421
	422	//----------------------------------------------------------------------
	423	Int_t AliMUONTriggerCircuit::FirstStrip(AliMpLocalBoard* localBoard)
	424	{
	425	/// returns the first strip from mapping for board boardName
	426	/// take care of special case for boards RC1L6B12 & LC1L6B12
	427	Int_t iFirstStrip = -1;
	428	Int_t boardNumber = atoi(localBoard->GetName()+6);
	429
	430	Int_t iline = localBoard->GetPosition().GetFirst();
	431	Int_t icol = localBoard->GetPosition().GetSecond();
	432	if ( iline == 5 ) --icol;
	433
	434	switch (boardNumber)
	435	{
	436	case 12:
	437	iFirstStrip = 0;
	438	break;
	439	case 34:
	440	iFirstStrip = 16;
	441	break;
	442	case 56:
	443	iFirstStrip = 32;
	444	break;
	445	case 78:
	446	iFirstStrip = 48;
	447	break;
	448	}
	449	if (icol == 1 && iline == 6) iFirstStrip += 16; // special case
	450	return iFirstStrip;
	451	}
	452
	453	//----------------------------------------------------------------------
	454	Float_t AliMUONTriggerCircuit::PtCal(Int_t localBoardId, Int_t istripX, Int_t idev, Int_t istripY) const{
	455	/// returns calculated pt for circuit/istripX/idev/istripY according
	456	/// to the formula of the TRD. Note : idev (input) is in [0+30]
	457
	458	// Int_t jdev = idev - 15; // jdev in [-15+15]
	459	Int_t istripX2=istripX+idev+1; // find istripX2 using istripX and idev
	460
	461	Float_t yPosX1=fYpos11[localBoardId][istripX];
	462	Float_t yPosX2=fYpos21[localBoardId][istripX2];
	463	Float_t xPosY1=fXpos11[localBoardId][istripY];
	464
	465	// Z distance between IP and center of dipole
	466	Float_t zf= TMath::Abs(0.5 *(AliMUONConstants::CoilZ() + AliMUONConstants::YokeZ()));
	467	Float_t z1=AliMUONConstants::DefaultChamberZ(10);
	468	Float_t z2=AliMUONConstants::DefaultChamberZ(12);
	469	Float_t thetaDev=(1./zf)(yPosX1z2-yPosX2*z1)/(z2-z1);
	470	Float_t xf=xPosY1*zf/z1;
	471	Float_t yf=yPosX2-((yPosX2-yPosX1)*(z2-zf))/(z2-z1);
	472	return (3.0.3/TMath::Abs(thetaDev)) TMath::Sqrt(xfxf+yfyf)/zf;
	473	}