AliTPCROC Class Reference

Geometry class for a single ROC. More...

#include <AliTPCROC.h>

Inheritance diagram for AliTPCROC:

Public Types
enum	coordType {   kLx =0, kLy =1, kLz =2, kGx =3,   kGy =4, kGz =5 }

Public Member Functions
	AliTPCROC ()
	AliTPCROC (const AliTPCROC &roc)
AliTPCROC &	operator= (const AliTPCROC &roc)
void	Init ()
virtual	~AliTPCROC ()
void	GetPositionLocal (UInt_t sector, UInt_t row, UInt_t pad, Float_t *pos)
void	GetPositionGlobal (UInt_t sector, UInt_t row, UInt_t pad, Float_t *pos)
UInt_t	GetNSectors () const
UInt_t	GetNRows (UInt_t sector) const
UInt_t	GetNChannels (UInt_t sector) const
UInt_t	GetNPads (UInt_t sector, UInt_t row) const
const UInt_t *	GetRowIndexes (UInt_t sector) const
Float_t	GetInnerRadiusLow () const
Float_t	GetInnerRadiusUp () const
Float_t	GetOuterRadiusLow () const
Float_t	GetOuterRadiusUp () const
Float_t	GetInnerFrameSpace () const
Float_t	GetOuterFrameSpace () const
Float_t	GetInnerWireMount () const
Float_t	GetOuterWireMount () const
Float_t	GetInnerAngle () const
Float_t	GetOuterAngle () const
UInt_t	GetNInnerSector () const
UInt_t	GetNOuterSector () const
UInt_t	GetNSector () const
Float_t	GetZLength (Int_t sector) const
UInt_t	GetNRowLow () const
UInt_t	GetNRowUp1 () const
UInt_t	GetNRowUp2 () const
Float_t	GetInnerPadLength () const
Float_t	GetInnerPadWidth () const
Float_t	GetOuterPadWidth () const
Float_t	GetOuter1PadLength () const
Float_t	GetOuter2PadLength () const
Float_t	GetPadRowRadiiLow (UInt_t irow) const
Float_t	GetPadRowRadiiUp (UInt_t irow) const
Float_t	GetPadRowRadii (UInt_t isec, UInt_t irow) const

Static Public Member Functions
static AliTPCROC *	Instance ()
static UInt_t	GetTPCUniqueID (UInt_t sector, UInt_t row, UInt_t pad)
static Float_t	GetIdealPosition (UInt_t sector, UInt_t row, UInt_t pad, coordType coord)

Protected Member Functions
void	SetGeometry ()

Protected Attributes
UInt_t	fNSectorsAll
	number of sectors More...
UInt_t	fNSectors [2]
	number of sectors - inner outer More...
UInt_t	fNRows [2]
	number of row - inner outer More...
UInt_t	fNChannels [2]
	total number of pads - inner sector - outer sector More...
UInt_t *	fNPads [2]
	number of pads in row - inner - outer More...
UInt_t *	fRowPosIndex [2]
	index array - inner - outer More...
Float_t	fInnerRadiusLow
	lower radius of inner sector-IP More...
Float_t	fInnerRadiusUp
	upper radius of inner sector-IP More...
Float_t	fOuterRadiusUp
	upper radius of outer sector-IP More...
Float_t	fOuterRadiusLow
	lower radius of outer sector-IP More...
Float_t	fInnerFrameSpace
	space for inner frame in the phi direction More...
Float_t	fOuterFrameSpace
	space for outer frame in the phi direction More...
Float_t	fInnerWireMount
	space for wire mount, inner sector More...
Float_t	fOuterWireMount
	space for wire mount, outer sector More...
Float_t	fZLength
	length of the drift region of the TPC More...
Float_t	fInnerAngle
	angular coverage More...
Float_t	fOuterAngle
	angular coverage More...
UInt_t	fNInnerWiresPerPad
	Number of wires per pad. More...
Float_t	fInnerWWPitch
	pitch between wires in inner sector - calculated More...
UInt_t	fInnerDummyWire
	number of wires without pad readout More...
Float_t	fInnerOffWire
	oofset of first wire to the begining of the sector More...
Float_t	fRInnerFirstWire
	position of the first wire -calculated More...
Float_t	fRInnerLastWire
	position of the last wire -calculated More...
Float_t	fLastWireUp1
	position of the last wire in outer1 sector More...
UInt_t	fNOuter1WiresPerPad
	Number of wires per pad. More...
UInt_t	fNOuter2WiresPerPad
	Number of wires per pad. More...
Float_t	fOuterWWPitch
	pitch between wires in outer sector -calculated More...
UInt_t	fOuterDummyWire
	number of wires without pad readout More...
Float_t	fOuterOffWire
	oofset of first wire to the begining of the sector More...
Float_t	fROuterFirstWire
	position of the first wire -calulated More...
Float_t	fROuterLastWire
	position of the last wire -calculated More...
Float_t	fInnerPadPitchLength
	Inner pad pitch length. More...
Float_t	fInnerPadPitchWidth
	Inner pad pitch width. More...
Float_t	fInnerPadLength
	Inner pad length. More...
Float_t	fInnerPadWidth
	Inner pad width. More...
Float_t	fOuter1PadPitchLength
	Outer pad pitch length. More...
Float_t	fOuter2PadPitchLength
	Outer pad pitch length. More...
Float_t	fOuterPadPitchWidth
	Outer pad pitch width. More...
Float_t	fOuter1PadLength
	Outer pad length. More...
Float_t	fOuter2PadLength
	Outer pad length. More...
Float_t	fOuterPadWidth
	Outer pad width. More...
UInt_t	fNRowLow
	number of pad rows per low sector -set More...
UInt_t	fNRowUp1
	number of short pad rows per sector up -set More...
UInt_t	fNRowUp2
	number of long pad rows per sector up -set More...
UInt_t	fNRowUp
	number of pad rows per sector up -calculated More...
UInt_t	fNtRows
	total number of rows in TPC -calculated More...
Float_t	fPadRowLow [100]
	Lower sector, pad row radii -calculated. More...
Float_t	fPadRowUp [100]
	Upper sector, pad row radii -calculated. More...
UInt_t	fNPadsLow [100]
	Lower sector, number of pads per row -calculated. More...
UInt_t	fNPadsUp [100]
	Upper sector, number of pads per row -calculated. More...
Float_t	fYInner [100]
	Inner sector, wire-length. More...
Float_t	fYOuter [100]
	Outer sector, wire-length. More...

Static Protected Attributes
static AliTPCROC *	fgInstance = 0

Detailed Description

Geometry class for a single ROC.

TPC geometry class for ROC.

Definition at line 14 of file AliTPCROC.h.

Member Enumeration Documentation

enum AliTPCROC::coordType

Enumerator
kLx
kLy
kLz
kGx
kGy
kGz

Definition at line 16 of file AliTPCROC.h.

{ kLx=0, kLy=1, kLz=2, kGx=3, kGy=4, kGz=5};

Constructor & Destructor Documentation

AliTPCROC::AliTPCROC

(

)

Default constructor

Definition at line 239 of file AliTPCROC.cxx.

          :TObject(),
           fNSectorsAll(0),
           fInnerRadiusLow(0.),
           fInnerRadiusUp(0.),
           fOuterRadiusUp(0.),
           fOuterRadiusLow(0.),
           fInnerFrameSpace(0.),
           fOuterFrameSpace(0.),
           fInnerWireMount(0.),
           fOuterWireMount(0.),
           fZLength(0.),
           fInnerAngle(0.),
           fOuterAngle(0.),
           fNInnerWiresPerPad(0),
           fInnerWWPitch(0.),
           fInnerDummyWire(0),
           fInnerOffWire(0.),
           fRInnerFirstWire(0.),
           fRInnerLastWire(0.),
           fLastWireUp1(0.),
           fNOuter1WiresPerPad(0),
           fNOuter2WiresPerPad(0),
           fOuterWWPitch(0.),
           fOuterDummyWire(0),
           fOuterOffWire(0),
           fROuterFirstWire(0.),
           fROuterLastWire(0),
           fInnerPadPitchLength(0.),
           fInnerPadPitchWidth(0.),
           fInnerPadLength(0.),
           fInnerPadWidth(0.),
           fOuter1PadPitchLength(0.),
           fOuter2PadPitchLength(0),
           fOuterPadPitchWidth(0),
           fOuter1PadLength(0.),
           fOuter2PadLength(0),
           fOuterPadWidth(0),
           fNRowLow(0),
           fNRowUp1(0),
           fNRowUp2(0),
           fNRowUp(0),
           fNtRows(0)
{
  /// Default constructor

  for (UInt_t i=0;i<2;i++){
    fNSectors[i]  = 0;
    fNRows[i]     = 0;
    fNChannels[i] = 0;
    fNPads[i]     = 0;
    fRowPosIndex[i]= 0;
  }

  for (UInt_t i=0;i<100;++i){
    fPadRowLow[i]=0.;
    fPadRowUp[i]=0.;
    fNPadsLow[i]=0;
    fNPadsUp[i]=0;
    fYInner[i]=0.;
    fYOuter[i]=0.;
  }
}

AliTPCROC::AliTPCROC

(

const AliTPCROC &

roc

)

AliTPCROC copy constructor

Definition at line 305 of file AliTPCROC.cxx.

          :TObject(roc),
           fNSectorsAll(0),
           fInnerRadiusLow(0.),
           fInnerRadiusUp(0.),
           fOuterRadiusUp(0.),
           fOuterRadiusLow(0.),
           fInnerFrameSpace(0.),
           fOuterFrameSpace(0.),
           fInnerWireMount(0.),
           fOuterWireMount(0.),
           fZLength(0.),
           fInnerAngle(0.),
           fOuterAngle(0.),
           fNInnerWiresPerPad(0),
           fInnerWWPitch(0.),
           fInnerDummyWire(0),
           fInnerOffWire(0.),
           fRInnerFirstWire(0.),
           fRInnerLastWire(0.),
           fLastWireUp1(0.),
           fNOuter1WiresPerPad(0),
           fNOuter2WiresPerPad(0),
           fOuterWWPitch(0.),
           fOuterDummyWire(0),
           fOuterOffWire(0),
           fROuterFirstWire(0.),
           fROuterLastWire(0),
           fInnerPadPitchLength(0.),
           fInnerPadPitchWidth(0.),
           fInnerPadLength(0.),
           fInnerPadWidth(0.),
           fOuter1PadPitchLength(0.),
           fOuter2PadPitchLength(0),
           fOuterPadPitchWidth(0),
           fOuter1PadLength(0.),
           fOuter2PadLength(0),
           fOuterPadWidth(0),
           fNRowLow(0),
           fNRowUp1(0),
           fNRowUp2(0),
           fNRowUp(0),
           fNtRows(0)

{
  /// AliTPCROC copy constructor

  fNSectorsAll = roc.fNSectorsAll;
  fNSectors[0] = roc.fNSectors[0];
  fNSectors[1] = roc.fNSectors[1];
  fNRows[0]    = roc.fNRows[0];
  fNRows[1]    = roc.fNRows[1];
  fNChannels[0]= roc.fNChannels[0];
  fNChannels[1]= roc.fNChannels[1];
  //
  // number of pads in padrow
  fNPads[0] = new UInt_t[fNRows[0]];
  fNPads[1] = new UInt_t[fNRows[1]];
  //
  // padrow index in array
  //
  fRowPosIndex[0] = new UInt_t[fNRows[0]];
  fRowPosIndex[1] = new UInt_t[fNRows[1]];
  //
  for (UInt_t irow =0; irow<fNRows[0];irow++){
    fNPads[0][irow]       = roc.fNPads[0][irow];
    fRowPosIndex[0][irow] = roc.fRowPosIndex[0][irow];
  }
  for (UInt_t irow =0; irow<fNRows[1];irow++){
    fNPads[1][irow]       = roc.fNPads[1][irow];
    fRowPosIndex[1][irow] = roc.fRowPosIndex[1][irow];
  }

  for (UInt_t i=0;i<100;++i){
    fPadRowLow[i]=roc.fPadRowLow[i];
    fPadRowUp[i]=roc.fPadRowUp[i];
    fNPadsLow[i]=roc.fNPadsLow[i];
    fNPadsUp[i]=roc.fNPadsUp[i];
    fYInner[i]=roc.fYInner[i];
    fYOuter[i]=roc.fYOuter[i];
  }

}

AliTPCROC::~AliTPCROC ( )

virtual

AliTPCROC destructor

Definition at line 399 of file AliTPCROC.cxx.

{
  /// AliTPCROC destructor

  delete [] fNPads[0];
  delete [] fNPads[1];
  delete [] fRowPosIndex[0];
  delete [] fRowPosIndex[1];
  fgInstance = 0x0;

}

Member Function Documentation

Float_t AliTPCROC::GetIdealPosition ( UInt_t  sector, UInt_t  row, UInt_t  pad, coordType  coord  )

static

Definition at line 444 of file AliTPCROC.cxx.

                                                                                          {
  //
  // return ideal position accoring hardwired geometry in the class
  //

  AliTPCROC *roc = AliTPCROC::Instance();
  Float_t pos[3];
  if (coord==kLx){
    roc->GetPositionLocal(sector, row,pad,pos);
    return pos[0];
  }
  if (coord==kLy){
    roc->GetPositionLocal(sector, row,pad,pos);
    return pos[1];
  }
  if (coord==kLz){
    roc->GetPositionLocal(sector, row,pad,pos);
    return pos[2];
  }
  if (coord==kGx){
    roc->GetPositionGlobal(sector, row,pad,pos);
    return pos[0];
  }
  if (coord==kGy){
    roc->GetPositionGlobal(sector, row,pad,pos);
    return pos[1];
  }
  if (coord==kGz){
    roc->GetPositionGlobal(sector, row,pad,pos);
    return pos[2];
  }

  return 0;

}

Float_t AliTPCROC::GetInnerAngle ( ) const

inline

Definition at line 45 of file AliTPCROC.h.

{return fInnerAngle;}

Float_t AliTPCROC::GetInnerFrameSpace ( ) const

inline

Definition at line 41 of file AliTPCROC.h.

{return fInnerFrameSpace;}

Float_t AliTPCROC::GetInnerPadLength ( ) const

inline

Definition at line 54 of file AliTPCROC.h.

{return fInnerPadLength; }

Float_t AliTPCROC::GetInnerPadWidth ( ) const

inline

Definition at line 55 of file AliTPCROC.h.

{return fInnerPadWidth; }

Float_t AliTPCROC::GetInnerRadiusLow ( ) const

inline

Definition at line 37 of file AliTPCROC.h.

{return fInnerRadiusLow;}

Float_t AliTPCROC::GetInnerRadiusUp ( ) const

inline

Definition at line 38 of file AliTPCROC.h.

{return fInnerRadiusUp;}

Float_t AliTPCROC::GetInnerWireMount ( ) const

inline

Definition at line 43 of file AliTPCROC.h.

{return fInnerWireMount;}

UInt_t AliTPCROC::GetNChannels ( UInt_t  sector ) const

inline

Definition at line 29 of file AliTPCROC.h.

{ return (sector<fNSectors[1]) ? fNChannels[0]:fNChannels[1];}

UInt_t AliTPCROC::GetNInnerSector ( ) const

inline

Definition at line 47 of file AliTPCROC.h.

{return fNSectors[0];}

UInt_t AliTPCROC::GetNOuterSector ( ) const

inline

Definition at line 48 of file AliTPCROC.h.

{return fNSectors[1];}

UInt_t AliTPCROC::GetNPads ( UInt_t  sector, UInt_t  row  ) const

inline

Definition at line 30 of file AliTPCROC.h.

                                                  {
    UInt_t irow=(row<GetNRows(sector))?row:(GetNRows(sector)-1);
    return (sector<fNSectors[1]) ? fNPads[0][irow]:fNPads[1][irow];}

UInt_t AliTPCROC::GetNRowLow ( ) const

inline

Definition at line 51 of file AliTPCROC.h.

{return fNRowLow; }

UInt_t AliTPCROC::GetNRows ( UInt_t  sector ) const

inline

Definition at line 28 of file AliTPCROC.h.

{ return (sector<fNSectors[1]) ? fNRows[0]:fNRows[1];}

UInt_t AliTPCROC::GetNRowUp1 ( ) const

inline

Definition at line 52 of file AliTPCROC.h.

{return fNRowUp1; }

UInt_t AliTPCROC::GetNRowUp2 ( ) const

inline

Definition at line 53 of file AliTPCROC.h.

{return fNRowUp2; }

UInt_t AliTPCROC::GetNSector ( ) const

inline

Definition at line 49 of file AliTPCROC.h.

{return fNSectorsAll;}

UInt_t AliTPCROC::GetNSectors ( ) const

inline

Definition at line 27 of file AliTPCROC.h.

{ return fNSectorsAll;}

Float_t AliTPCROC::GetOuter1PadLength ( ) const

inline

Definition at line 57 of file AliTPCROC.h.

{return fOuter1PadLength; }

Float_t AliTPCROC::GetOuter2PadLength ( ) const

inline

Definition at line 58 of file AliTPCROC.h.

{return fOuter2PadLength; }

Float_t AliTPCROC::GetOuterAngle ( ) const

inline

Definition at line 46 of file AliTPCROC.h.

{return fOuterAngle;}

Float_t AliTPCROC::GetOuterFrameSpace ( ) const

inline

Definition at line 42 of file AliTPCROC.h.

{return fOuterFrameSpace;}

Float_t AliTPCROC::GetOuterPadWidth ( ) const

inline

Definition at line 56 of file AliTPCROC.h.

{return fOuterPadWidth; }

Float_t AliTPCROC::GetOuterRadiusLow ( ) const

inline

Definition at line 39 of file AliTPCROC.h.

{return fOuterRadiusLow;}

Float_t AliTPCROC::GetOuterRadiusUp ( ) const

inline

Definition at line 40 of file AliTPCROC.h.

{return fOuterRadiusUp;}

Float_t AliTPCROC::GetOuterWireMount ( ) const

inline

Definition at line 44 of file AliTPCROC.h.

{return fOuterWireMount;}

Float_t AliTPCROC::GetPadRowRadii ( UInt_t  isec, UInt_t  irow  ) const

inline

Definition at line 64 of file AliTPCROC.h.

                                                         {
    return ( (isec < fNSectors[0]) ?GetPadRowRadiiLow(irow):GetPadRowRadiiUp(irow));}

Float_t AliTPCROC::GetPadRowRadiiLow ( UInt_t  irow ) const

inline

Definition at line 62 of file AliTPCROC.h.

{return ( irow<fNRowLow ) ? fPadRowLow[irow]: 0;} //get the pad row (irow) radii

Float_t AliTPCROC::GetPadRowRadiiUp ( UInt_t  irow ) const

inline

Definition at line 63 of file AliTPCROC.h.

{return ( irow<fNRowUp ) ? fPadRowUp[irow]: 0;}   //get the pad row (irow) radii

void AliTPCROC::GetPositionGlobal	(	UInt_t	sector,
		UInt_t	row,
		UInt_t	pad,
		Float_t *	pos
	)

get position of center of pad - ideal frame used

Definition at line 432 of file AliTPCROC.cxx.

                                                                                    {
  /// get position of center of pad - ideal frame used

  GetPositionLocal(sector,row,pad,pos);
  Double_t alpha = TMath::DegToRad()*(10.+20.*(sector%18));
  Float_t gx = pos[0]*TMath::Cos(alpha)-pos[1]*TMath::Sin(alpha);
  Float_t gy = pos[1]*TMath::Cos(alpha)+pos[0]*TMath::Sin(alpha);
  pos[0] = gx;
  pos[1] = gy;
}

void AliTPCROC::GetPositionLocal	(	UInt_t	sector,
		UInt_t	row,
		UInt_t	pad,
		Float_t *	pos
	)

get position of center of pad - ideal frame used

Definition at line 414 of file AliTPCROC.cxx.

                                                                                   {
  /// get position of center of pad - ideal frame used

  pos[2]=fZLength;
  if (sector<36){
   pos[0] = fPadRowLow[row];
   pos[1] = fInnerPadPitchWidth*(Int_t(pad)+0.5-Int_t(fNPads[0][row])/2);
  }else{
    pos[0] = fPadRowUp[row];
    pos[1] = fOuterPadPitchWidth*(Int_t(pad)+0.5-Int_t(fNPads[1][row])/2);
  }
  if ((sector%36)>=18){
    pos[2] *= -1.;
    pos[1] *= -1.;
  }
}

const UInt_t* AliTPCROC::GetRowIndexes ( UInt_t  sector ) const

inline

Definition at line 33 of file AliTPCROC.h.

{return (sector<fNSectors[1]) ? fRowPosIndex[0]:fRowPosIndex[1];}

static UInt_t AliTPCROC::GetTPCUniqueID ( UInt_t  sector, UInt_t  row, UInt_t  pad  )

inlinestatic

Definition at line 67 of file AliTPCROC.h.

{UInt_t uid=pad+row*140+sector*140*159; return uid; }  // unique Id can be used for absolute adressing of the TPC element

Float_t AliTPCROC::GetZLength ( Int_t  sector ) const

inline

Definition at line 50 of file AliTPCROC.h.

{return (sector<35) ? fZLength-0.275 : fZLength-0.302;}

void AliTPCROC::Init

(

void

)

initialize static variables

Definition at line 49 of file AliTPCROC.cxx.

                    {
  /// initialize static variables

  if (AliTPCROC::fNSectorsAll>0) return;
  fNSectorsAll =72;
  fNSectors[0] =36;
  fNSectors[1] =36;
  //
  fNRows[0]= 63;
  fNRows[1]= 96;
  //
  // number of pads in padrow
  fNPads[0] = new UInt_t[fNRows[0]];
  fNPads[1] = new UInt_t[fNRows[1]];
  //
  // padrow index in array
  //
  fRowPosIndex[0] = new UInt_t[fNRows[0]];
  fRowPosIndex[1] = new UInt_t[fNRows[1]];
  //
  // inner sectors
  //
  UInt_t index =0;
  for (UInt_t irow=0; irow<fNRows[0];irow++){
    UInt_t npads = (irow==0) ? 68 : 2 *Int_t(Double_t(irow)/3. +33.67);
    fNPads[0][irow] = npads;
    fRowPosIndex[0][irow] = index;
    index+=npads;
  }
  fNChannels[0] = index;
  //
  index =0;
  Double_t k1 = 10.*TMath::Tan(10*TMath::DegToRad())/6.;
  Double_t k2 = 15.*TMath::Tan(10*TMath::DegToRad())/6.;
  for (UInt_t irow=0; irow<fNRows[1];irow++){
    UInt_t npads = (irow<64) ?
      2*Int_t(k1*Double_t(irow)+37.75):
      2*Int_t(k2*Double_t(irow-64)+56.66);
    fNPads[1][irow] = npads;
    fRowPosIndex[1][irow] = index;
    index+=npads;
  }
  fNChannels[1] = index;
  SetGeometry();
}

AliTPCROC * AliTPCROC::Instance ( )

static

Singleton implementation Returns an instance of this class, it is created if neccessary

Definition at line 34 of file AliTPCROC.cxx.

{
  /// Singleton implementation
  /// Returns an instance of this class, it is created if neccessary

  if (fgInstance == 0){
    fgInstance = new AliTPCROC();
    fgInstance->Init();
  }
  return fgInstance;
}

AliTPCROC & AliTPCROC::operator=

(

const AliTPCROC &

roc

)

assignment operator - dummy

Definition at line 389 of file AliTPCROC.cxx.

{
  /// assignment operator - dummy

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

  fZLength = roc.fZLength;
  return (*this);
}

void AliTPCROC::SetGeometry ( )

protected

set ROC geometry parameters

Definition at line 98 of file AliTPCROC.cxx.

{
  /// set ROC geometry parameters

  const  Float_t kInnerRadiusLow = 83.65;
  const  Float_t kInnerRadiusUp  = 133.3;
  const  Float_t kOuterRadiusLow = 133.5;
  const  Float_t kOuterRadiusUp  = 247.7;
  const  Float_t kInnerFrameSpace = 1.5;
  const  Float_t kOuterFrameSpace = 1.5;
  const  Float_t kInnerWireMount = 1.2;
  const  Float_t kOuterWireMount = 1.4;
  const  Float_t kZLength =250.;  // need to adjust this in DUNE MPD.
  const  UInt_t   kNRowLow = 63;
  const  UInt_t   kNRowUp1 = 64;
  const  UInt_t   kNRowUp2 = 32;
  const  UInt_t   kNRowUp  = 96;
  const  Float_t kInnerAngle = 20; // 20 degrees
  const  Float_t kOuterAngle = 20; // 20 degrees
  //
  //  pad     parameters
  //
  const Float_t  kInnerPadPitchLength = 0.75;
  const Float_t  kInnerPadPitchWidth = 0.40;
  const Float_t  kInnerPadLength = 0.75;
  const Float_t  kInnerPadWidth = 0.40;
  const Float_t  kOuter1PadPitchLength = 1.0;
  const Float_t  kOuterPadPitchWidth = 0.6;
  const Float_t  kOuter1PadLength = 1.0;
  const Float_t  kOuterPadWidth = 0.6;
  const Float_t  kOuter2PadPitchLength = 1.5;
  const Float_t  kOuter2PadLength = 1.5;

  //
  //wires default parameters
  //
//   const UInt_t    kNInnerWiresPerPad = 3;
//   const UInt_t    kInnerDummyWire = 2;
//   const Float_t  kInnerWWPitch = 0.25;
//   const Float_t  kRInnerFirstWire = 84.475;
//   const Float_t  kRInnerLastWire = 132.475;
//   const Float_t  kInnerOffWire = 0.5;
//   const UInt_t    kNOuter1WiresPerPad = 4;
//   const UInt_t    kNOuter2WiresPerPad = 6;
//   const Float_t  kOuterWWPitch = 0.25;
//   const Float_t  kROuterFirstWire = 134.225;
//   const Float_t  kROuterLastWire = 246.975;
//   const UInt_t    kOuterDummyWire = 2;
//   const Float_t  kOuterOffWire = 0.5;
  //
  //set sector parameters
  //
  fInnerRadiusLow = kInnerRadiusLow;
  fOuterRadiusLow = kOuterRadiusLow;
  fInnerRadiusUp  = kInnerRadiusUp;
  fOuterRadiusUp  = kOuterRadiusUp;
  fInnerFrameSpace = kInnerFrameSpace;
  fOuterFrameSpace = kOuterFrameSpace;
  fInnerWireMount  = kInnerWireMount;
  fOuterWireMount  = kOuterWireMount;
  fZLength         = kZLength;
  fInnerAngle      =  TMath::DegToRad()*kInnerAngle;
  fOuterAngle      =  TMath::DegToRad()*kOuterAngle;

  fNRowLow       = kNRowLow;
  fNRowUp1      = kNRowUp1;
  fNRowUp2       = kNRowUp2;
  fNRowUp        = kNRowUp;
  //
  //set pad parameter
  //
  fInnerPadPitchLength = kInnerPadPitchLength;
  fInnerPadPitchWidth  = kInnerPadPitchWidth;
  fInnerPadLength      = kInnerPadLength;
  fInnerPadWidth       = kInnerPadWidth;
  fOuter1PadPitchLength = kOuter1PadPitchLength;
  fOuter2PadPitchLength = kOuter2PadPitchLength;
  fOuterPadPitchWidth   = kOuterPadPitchWidth;
  fOuter1PadLength      = kOuter1PadLength;
  fOuter2PadLength      = kOuter2PadLength;
  fOuterPadWidth        = kOuterPadWidth;

  //
  //set wire parameters
  //
  // SetInnerNWires(kNInnerWiresPerPad);
  //   SetInnerDummyWire(kInnerDummyWire);
  //   SetInnerOffWire(kInnerOffWire);
  //   SetOuter1NWires(kNOuter1WiresPerPad);
  //   SetOuter2NWire(kNOuter2WiresPerPad);
  //   SetOuterDummyWire(kOuterDummyWire);
  //   SetOuterOffWire(kOuterOffWire);
  //   SetInnerWWPitch(kInnerWWPitch);
  //   SetRInnerFirstWire(kRInnerFirstWire);
  //   SetRInnerLastWire(kRInnerLastWire);
  //   SetOuterWWPitch(kOuterWWPitch);
  //   SetROuterFirstWire(kROuterFirstWire);
  //   SetROuterLastWire(kROuterLastWire);

  UInt_t i=0;
  Float_t firstrow = fInnerRadiusLow + 1.575;
  for( i= 0;i<fNRowLow;i++)
    {
      Float_t x = firstrow + fInnerPadPitchLength*(Float_t)i;
      fPadRowLow[i]=x;
      fYInner[i+1]  = x*TMath::Tan(fInnerAngle/2.)-fInnerWireMount;
      fNPadsLow[i] = GetNPads(0,i) ;     // ROC implement
    }
  // cross talk rows
  fYInner[0]=(fPadRowLow[0]-fInnerPadPitchLength)*TMath::Tan(fInnerAngle/2.)-fInnerWireMount;
  fYInner[fNRowLow+1]=(fPadRowLow[fNRowLow-1]+fInnerPadPitchLength)*TMath::Tan(fInnerAngle/2.)-fInnerWireMount;
  firstrow = fOuterRadiusLow + 1.6;
  for(i=0;i<fNRowUp;i++)
    {
      if(i<fNRowUp1){
        Float_t x = firstrow + fOuter1PadPitchLength*(Float_t)i;
        fPadRowUp[i]=x;
        fYOuter[i+1]= x*TMath::Tan(fOuterAngle/2.)-fOuterWireMount;
        fNPadsUp[i] =  GetNPads(36,i) ;     // ROC implement
        if(i==fNRowUp1-1) {
          fLastWireUp1=fPadRowUp[i] +0.625;
          firstrow = fPadRowUp[i] + 0.5*(fOuter1PadPitchLength+fOuter2PadPitchLength);
        }
      }
      else
        {
          Float_t x = firstrow + fOuter2PadPitchLength*(Float_t)(i-64);
          fPadRowUp[i]=x;
          fNPadsUp[i] =  GetNPads(36,i) ;     // ROC implement
        }
      fYOuter[i+1]  = fPadRowUp[i]*TMath::Tan(fOuterAngle/2.)-fOuterWireMount;
    }



}

Member Data Documentation

AliTPCROC * AliTPCROC::fgInstance = 0

staticprotected

! Instance of this class (singleton implementation)

Definition at line 140 of file AliTPCROC.h.

Float_t AliTPCROC::fInnerAngle

protected

angular coverage

Definition at line 94 of file AliTPCROC.h.

UInt_t AliTPCROC::fInnerDummyWire

protected

number of wires without pad readout

Definition at line 102 of file AliTPCROC.h.

Float_t AliTPCROC::fInnerFrameSpace

protected

space for inner frame in the phi direction

Definition at line 89 of file AliTPCROC.h.

Float_t AliTPCROC::fInnerOffWire

protected

oofset of first wire to the begining of the sector

Definition at line 103 of file AliTPCROC.h.

Float_t AliTPCROC::fInnerPadLength

protected

Inner pad length.

Definition at line 119 of file AliTPCROC.h.

Float_t AliTPCROC::fInnerPadPitchLength

protected

Inner pad pitch length.

Definition at line 117 of file AliTPCROC.h.

Float_t AliTPCROC::fInnerPadPitchWidth

protected

Inner pad pitch width.

Definition at line 118 of file AliTPCROC.h.

Float_t AliTPCROC::fInnerPadWidth

protected

Inner pad width.

Definition at line 120 of file AliTPCROC.h.

Float_t AliTPCROC::fInnerRadiusLow

protected

lower radius of inner sector-IP

Definition at line 85 of file AliTPCROC.h.

Float_t AliTPCROC::fInnerRadiusUp

protected

upper radius of inner sector-IP

Definition at line 86 of file AliTPCROC.h.

Float_t AliTPCROC::fInnerWireMount

protected

space for wire mount, inner sector

Definition at line 91 of file AliTPCROC.h.

Float_t AliTPCROC::fInnerWWPitch

protected

pitch between wires in inner sector - calculated

Definition at line 101 of file AliTPCROC.h.

Float_t AliTPCROC::fLastWireUp1

protected

position of the last wire in outer1 sector

Definition at line 106 of file AliTPCROC.h.

UInt_t AliTPCROC::fNChannels[2]

protected

total number of pads - inner sector - outer sector

Definition at line 77 of file AliTPCROC.h.

UInt_t AliTPCROC::fNInnerWiresPerPad

protected

Number of wires per pad.

Definition at line 100 of file AliTPCROC.h.

UInt_t AliTPCROC::fNOuter1WiresPerPad

protected

Number of wires per pad.

Definition at line 107 of file AliTPCROC.h.

UInt_t AliTPCROC::fNOuter2WiresPerPad

protected

Number of wires per pad.

Definition at line 108 of file AliTPCROC.h.

UInt_t* AliTPCROC::fNPads[2]

protected

number of pads in row - inner - outer

Definition at line 78 of file AliTPCROC.h.

UInt_t AliTPCROC::fNPadsLow[100]

protected

Lower sector, number of pads per row -calculated.

Definition at line 135 of file AliTPCROC.h.

UInt_t AliTPCROC::fNPadsUp[100]

protected

Upper sector, number of pads per row -calculated.

Definition at line 136 of file AliTPCROC.h.

UInt_t AliTPCROC::fNRowLow

protected

number of pad rows per low sector -set

Definition at line 128 of file AliTPCROC.h.

UInt_t AliTPCROC::fNRows[2]

protected

number of row - inner outer

Definition at line 76 of file AliTPCROC.h.

UInt_t AliTPCROC::fNRowUp

protected

number of pad rows per sector up -calculated

Definition at line 131 of file AliTPCROC.h.

UInt_t AliTPCROC::fNRowUp1

protected

number of short pad rows per sector up -set

Definition at line 129 of file AliTPCROC.h.

UInt_t AliTPCROC::fNRowUp2

protected

number of long pad rows per sector up -set

Definition at line 130 of file AliTPCROC.h.

UInt_t AliTPCROC::fNSectors[2]

protected

number of sectors - inner outer

Definition at line 75 of file AliTPCROC.h.

UInt_t AliTPCROC::fNSectorsAll

protected

number of sectors

Definition at line 74 of file AliTPCROC.h.

UInt_t AliTPCROC::fNtRows

protected

total number of rows in TPC -calculated

Definition at line 132 of file AliTPCROC.h.

Float_t AliTPCROC::fOuter1PadLength

protected

Outer pad length.

Definition at line 124 of file AliTPCROC.h.

Float_t AliTPCROC::fOuter1PadPitchLength

protected

Outer pad pitch length.

Definition at line 121 of file AliTPCROC.h.

Float_t AliTPCROC::fOuter2PadLength

protected

Outer pad length.

Definition at line 125 of file AliTPCROC.h.

Float_t AliTPCROC::fOuter2PadPitchLength

protected

Outer pad pitch length.

Definition at line 122 of file AliTPCROC.h.

Float_t AliTPCROC::fOuterAngle

protected

angular coverage

Definition at line 95 of file AliTPCROC.h.

UInt_t AliTPCROC::fOuterDummyWire

protected

number of wires without pad readout

Definition at line 110 of file AliTPCROC.h.

Float_t AliTPCROC::fOuterFrameSpace

protected

space for outer frame in the phi direction

Definition at line 90 of file AliTPCROC.h.

Float_t AliTPCROC::fOuterOffWire

protected

oofset of first wire to the begining of the sector

Definition at line 111 of file AliTPCROC.h.

Float_t AliTPCROC::fOuterPadPitchWidth

protected

Outer pad pitch width.

Definition at line 123 of file AliTPCROC.h.

Float_t AliTPCROC::fOuterPadWidth

protected

Outer pad width.

Definition at line 126 of file AliTPCROC.h.

Float_t AliTPCROC::fOuterRadiusLow

protected

lower radius of outer sector-IP

Definition at line 88 of file AliTPCROC.h.

Float_t AliTPCROC::fOuterRadiusUp

protected

upper radius of outer sector-IP

Definition at line 87 of file AliTPCROC.h.

Float_t AliTPCROC::fOuterWireMount

protected

space for wire mount, outer sector

Definition at line 92 of file AliTPCROC.h.

Float_t AliTPCROC::fOuterWWPitch

protected

pitch between wires in outer sector -calculated

Definition at line 109 of file AliTPCROC.h.

Float_t AliTPCROC::fPadRowLow[100]

protected

Lower sector, pad row radii -calculated.

Definition at line 133 of file AliTPCROC.h.

Float_t AliTPCROC::fPadRowUp[100]

protected

Upper sector, pad row radii -calculated.

Definition at line 134 of file AliTPCROC.h.

Float_t AliTPCROC::fRInnerFirstWire

protected

position of the first wire -calculated

Definition at line 104 of file AliTPCROC.h.

Float_t AliTPCROC::fRInnerLastWire

protected

position of the last wire -calculated

Definition at line 105 of file AliTPCROC.h.

Float_t AliTPCROC::fROuterFirstWire

protected

position of the first wire -calulated

Definition at line 112 of file AliTPCROC.h.

Float_t AliTPCROC::fROuterLastWire

protected

position of the last wire -calculated

Definition at line 113 of file AliTPCROC.h.

UInt_t* AliTPCROC::fRowPosIndex[2]

protected

index array - inner - outer

Definition at line 79 of file AliTPCROC.h.

Float_t AliTPCROC::fYInner[100]

protected

Inner sector, wire-length.

Definition at line 137 of file AliTPCROC.h.

Float_t AliTPCROC::fYOuter[100]

protected

Outer sector, wire-length.

Definition at line 138 of file AliTPCROC.h.

Float_t AliTPCROC::fZLength

protected

length of the drift region of the TPC

Definition at line 93 of file AliTPCROC.h.

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The documentation for this class was generated from the following files:

• garsoft/Geometry/ChannelMapAlgs/AliTPCROC.h
• garsoft/Geometry/ChannelMapAlgs/AliTPCROC.cxx