Forward Multiplicity Detector based on Silicon wafers. More...

#include <AliFMDv1.h>

Inheritance diagram for AliFMDv1:

Public Member Functions
	AliFMDv1 ()

	AliFMDv1 (const char name, const char title="Detailed geometry")

virtual	~AliFMDv1 ()

virtual Int_t	IsVersion () const

virtual void	StepManager ()

Public Member Functions inherited from AliFMD
	AliFMD ()

	AliFMD (const char name, const char title)

virtual	~AliFMD ()

void	UseDetailed (Bool_t use=kTRUE)

virtual void	CreateGeometry ()

virtual void	AddAlignableVolumes () const

virtual void	CreateMaterials ()

virtual void	Init ()

virtual void	FinishEvent ()

virtual void	MakeBranch (Option_t *opt=" ")

virtual void	SetHitsAddressBranch (TBranch *b)

virtual void	SetSDigitsAddressBranch (TBranch *b)

virtual void	SetTreeAddress ()

virtual TClonesArray *	SDigits ()

virtual void	ResetSDigits ()

virtual void	AddHit (Int_t track, Int_t vol, Float_t hits)

virtual AliFMDHit *	AddHitByFields (Int_t track, UShort_t detector, Char_t ring, UShort_t sector, UShort_t strip, Float_t x=0, Float_t y=0, Float_t z=0, Float_t px=0, Float_t py=0, Float_t pz=0, Float_t edep=0, Int_t pdg=0, Float_t t=0, Float_t len=0, Bool_t stopped=kFALSE)

virtual void	AddDigit (Int_t digits, Int_t notused=0)

virtual void	AddDigitByFields (UShort_t detector=0, Char_t ring='\0', UShort_t sector=0, UShort_t strip=0, UShort_t count1=0, Short_t count2=-1, Short_t count3=-1, Short_t count4=-1, UShort_t nrefs=0, Int_t *refs=0)

virtual void	AddSDigit (Int_t *digits)

virtual void	AddSDigitByFields (UShort_t detector=0, Char_t ring='\0', UShort_t sector=0, UShort_t strip=0, Float_t edep=0, UShort_t count1=0, Short_t count2=-1, Short_t count3=-1, Short_t count4=-1, UShort_t ntot=0, UShort_t nprim=0, Int_t *refs=0)

virtual AliDigitizer *	CreateDigitizer (AliDigitizationInput *digInput) const

virtual void	Hits2Digits ()

virtual void	Hits2SDigits ()

virtual void	Digits2Raw ()

virtual Bool_t	Raw2SDigits (AliRawReader *reader)

void	Browse (TBrowser *b)

Public Member Functions inherited from AliDetector
	AliDetector (const char name, const char title)

	AliDetector ()

virtual	~AliDetector ()

virtual int	GetNdigits () const

virtual int	GetNhits () const

TClonesArray *	Digits () const

TClonesArray *	Hits () const

virtual Bool_t	IsModule () const

virtual Bool_t	IsDetector () const

Int_t	GetIshunt () const

void	SetIshunt (Int_t ishunt)

virtual void	Publish (const char dir, void c, const char *name=0) const

virtual void	FinishRun ()

virtual void	ResetDigits ()

virtual void	ResetHits ()

virtual void	SetTimeGate (Float_t gate)

virtual Float_t	GetTimeGate () const

virtual void	DrawModule () const

virtual AliHit *	FirstHit (Int_t track)

virtual AliHit *	NextHit ()

virtual void	SetBufferSize (Int_t bufsize=8000)

virtual TBranch *	MakeBranchInTree (TTree tree, const char cname, void address, Int_t size=32000, const char file=0)

virtual TBranch *	MakeBranchInTree (TTree tree, const char cname, const char name, void address, Int_t size=32000, Int_t splitlevel=99, const char *file=0)

void	MakeTree (Option_t *option)

virtual void	RemapTrackHitIDs (Int_t *)

virtual AliLoader *	MakeLoader (const char *topfoldername)

void	SetLoader (AliLoader *loader)

AliLoader *	GetLoader () const

Public Member Functions inherited from AliModule
	AliModule (const char name, const char title)

	AliModule ()

virtual	~AliModule ()

virtual TArrayI *	GetIdtmed () const

virtual TObjArray *	Points () const

virtual Bool_t	IsActive () const

virtual void	SetActive (Bool_t v=kTRUE)

virtual Bool_t	IsFolder () const

virtual Int_t &	LoMedium ()

virtual Int_t &	HiMedium ()

virtual void	AliMaterial (Int_t imat, const char name, Float_t a, Float_t z, Float_t dens, Float_t radl, Float_t absl, Float_t buf=0, Int_t nwbuf=0) const

virtual void	AliGetMaterial (Int_t imat, char *name, Float_t &a, Float_t &z, Float_t &dens, Float_t &radl, Float_t &absl) const

virtual void	AliMixture (Int_t imat, const char name, Float_t a, Float_t z, Float_t dens, Int_t nlmat, Float_t wmat) const

virtual void	AliMedium (Int_t numed, const char name, Int_t nmat, Int_t isvol, Int_t ifield, Float_t fieldm, Float_t tmaxfd, Float_t stemax, Float_t deemax, Float_t epsil, Float_t stmin, Float_t ubuf=0, Int_t nbuf=0) const

void	AliMatrix (Int_t &nmat, Double_t theta1, Double_t phi1, Double_t theta2, Double_t phi2, Double_t theta3, Double_t phi3) const

virtual void	BuildGeometry ()

virtual AliTriggerDetector *	CreateTriggerDetector () const

virtual void	SDigits2Digits ()

virtual void	Digits2Reco ()

virtual void	Raw2Digits ()

virtual void	QADataMaker (const char *)

virtual void	DefineOpticalProperties ()

virtual void	PreTrack ()

virtual void	PostTrack ()

virtual void	FinishPrimary ()

virtual void	LoadPoints (Int_t)

virtual void	UpdateInternalGeometry ()

virtual void	Paint (Option_t *)

virtual void	DisableStepManager ()

virtual Bool_t	StepManagerIsEnabled () const

virtual Float_t	ZMin () const

virtual Float_t	ZMax () const

virtual AliTrackReference *	AddTrackReference (Int_t label, Int_t id=-999)

TTree *	TreeTR ()

void	SetRunLoader (AliRunLoader *runLoader)

virtual void	CheckQA ()

AliDigitizationInput *	GetDigitizationInput () const

void	CacheVMCInstance (TVirtualMC *mc)

Protected Member Functions
Bool_t	VMC2FMD (TLorentzVector &v, UShort_t &detector, Char_t &ring, UShort_t &sector, UShort_t &strip) const

Bool_t	VMC2FMD (Int_t copy, TLorentzVector &v, UShort_t &detector, Char_t &ring, UShort_t &sector, UShort_t &strip) const

Bool_t	CheckHit (Int_t trackno, Int_t pdg, Float_t absQ, const TLorentzVector &p, Float_t edep) const

Protected Member Functions inherited from AliFMD
TClonesArray *	HitsArray ()

TClonesArray *	DigitsArray ()

TClonesArray *	SDigitsArray ()

Protected Attributes
Double_t	fCurrentDeltaE

TLorentzVector	fCurrentV

TLorentzVector	fCurrentP

Int_t	fCurrentPdg

Protected Attributes inherited from AliFMD
TClonesArray *	fSDigits

Int_t	fNsdigits

Bool_t	fDetailed

Bool_t	fUseOld

Bool_t	fUseAssembly

TObjArray *	fBad

Protected Attributes inherited from AliDetector
Float_t	fTimeGate

Int_t	fIshunt

Int_t	fNhits

Int_t	fNdigits
	Number of hits. More...

Int_t	fBufferSize
	Number of digits. More...

Int_t	fMaxIterHit
	buffer size for Tree detector branches More...

Int_t	fCurIterHit
	Limit for the hit iterator. More...

TClonesArray *	fHits
	Counter for the hit iterator. More...

TClonesArray *	fDigits
	List of hits for one track only. More...

AliLoader *	fLoader
	List of digits for this detector. More...

Protected Attributes inherited from AliModule
TVirtualMC *	fMC

TArrayI *	fIdtmed
	cached MC instance (to avoid calls to thread_local gMC=TVirtualMC::GetMC()) More...

TArrayI *	fIdmate
	List of tracking medium numbers. More...

Int_t	fLoMedium
	List of material numbers. More...

Int_t	fHiMedium
	Minimum tracking medium ID for this Module. More...

Bool_t	fActive
	Maximum tracking medium ID for this Module. More...

Bool_t	fEnable

Int_t	fMaxIterTrackRef

Int_t	fCurrentIterTrackRef
	for track refernce iterator routines More...

AliRunLoader *	fRunLoader
	for track refernce iterator routines More...

AliDigitizationInput *	fDigInput
	local pointer to run loader More...

Additional Inherited Members
Static Public Member Functions inherited from AliModule
static void	SetDensityFactor (Float_t density)

static Float_t	GetDensityFactor ()

Protected Types inherited from AliFMD
enum	{ kSiId, kAirId, kPlasticId, kPcbId, kSiChipId, kAlId, kCarbonId, kCopperId, kKaptonId, kSteelId }

Static Protected Attributes inherited from AliModule
static Float_t	fgDensityFactor = 1.0
	input for sdigits -> digits More...

Detailed Description

Forward Multiplicity Detector based on Silicon wafers.

This class contains the base procedures for the Forward Multiplicity detector Detector consists of 3 sub-detectors FMD1, FMD2, and FMD3, each of which has 1 or 2 rings of silicon sensors.

This class contains the detailed version of the FMD - that is, hits are produced during simulation.

Definition at line 40 of file AliFMDv1.h.

Constructor & Destructor Documentation

AliFMDv1::AliFMDv1 ( )

inline

CTOR

Definition at line 44 of file AliFMDv1.h.

AliFMDv1::AliFMDv1	(	const char *	name,
		const char *	title = `"Detailed geometry"`
	)

inline

CTOR

Parameters

name	Name
title	Title

Definition at line 53 of file AliFMDv1.h.

virtual AliFMDv1::~AliFMDv1 ( )

inlinevirtual

DTOR

Definition at line 60 of file AliFMDv1.h.

Member Function Documentation

Bool_t AliFMDv1::CheckHit	(	Int_t	trackno,
		Int_t	pdg,
		Float_t	absQ,
		const TLorentzVector &	p,
		Float_t	edep
	)		const

protected

Check if hit is bad. A hit is bad if

\[ \Delta E > |Q|^2 p / m > 1 \]

holds, where \( \Delta E\) is the energy loss in this step, \( Q\) is the particle charge, \( p\) is the track momentum, and \( m\) is the particle mass. If a track is marked as bad, it's kept in a cache, and can be printed at the end of the event.

Parameters

trackno	Track number
pdg	PDG particle type ID
absQ	Absolute value of particle charge
p	Track momentum
edep	Energy loss in this step.

Returns: true if hit is `bad'

Definition at line 161 of file AliFMDv1.cxx.

Referenced by IsVersion(), and StepManager().

virtual Int_t AliFMDv1::IsVersion ( void ) const

inlinevirtual

Get version number

Returns: always 1

Implements AliModule.

Definition at line 65 of file AliFMDv1.h.

void AliFMDv1::StepManager ( void )

virtual

Member function that is executed each time a hit is made in the FMD. None-charged particles are ignored. Dead tracks are ignored.

The procedure is as follows:

IF NOT track is alive THEN RETURN ENDIF
IF NOT particle is charged THEN RETURN ENDIF
IF NOT volume name is "STRI" or "STRO" THEN RETURN ENDIF
Get strip number (volume copy # minus 1)
Get phi division number (mother volume copy #)
Get module number (grand-mother volume copy #)
section # = 2 * module # + phi division # - 1
Get ring Id from volume name
Get detector # from grand-grand-grand-mother volume name
Get pointer to sub-detector object.
Get track position
IF track is entering volume AND track is inside real shape THEN
Reset energy deposited
Get track momentum
Get particle ID #
ENDIF
IF track is inside volume AND inside real shape THEN
Update energy deposited
ENDIF
IF track is inside real shape AND (track is leaving volume, or it died, or it is stopped THEN
Create a hit
ENDIF

ENDIF
Update energy deposited

Implements AliFMD.

Definition at line 213 of file AliFMDv1.cxx.

Referenced by IsVersion().

Bool_t AliFMDv1::VMC2FMD	(	TLorentzVector &	v,
		UShort_t &	detector,
		Char_t &	ring,
		UShort_t &	sector,
		UShort_t &	strip
	)		const

protected

Translate VMC coordinates to detector coordinates

Parameters

v	On output, Current position
detector	On output, detector #
ring	On output, ring id
sector	On output, sector #
strip	On output, strip #

Returns: true on success

Definition at line 58 of file AliFMDv1.cxx.

Referenced by IsVersion(), and StepManager().

Bool_t AliFMDv1::VMC2FMD	(	Int_t	copy,
		TLorentzVector &	v,
		UShort_t &	detector,
		Char_t &	ring,
		UShort_t &	sector,
		UShort_t &	strip
	)		const

protected

Translate VMC coordinates to detector coordinates

Parameters

copy	Volume copy number
v	On output, Current position
detector	On output, detector #
ring	On output, ring id
sector	On output, sector #
strip	On output, strip #

Returns: true on success

Definition at line 102 of file AliFMDv1.cxx.

Member Data Documentation

Double_t AliFMDv1::fCurrentDeltaE

protected

Definition at line 135 of file AliFMDv1.h.

Referenced by StepManager().

TLorentzVector AliFMDv1::fCurrentP

protected

Definition at line 137 of file AliFMDv1.h.

Referenced by StepManager().

Int_t AliFMDv1::fCurrentPdg

protected

Definition at line 138 of file AliFMDv1.h.

Referenced by StepManager().

TLorentzVector AliFMDv1::fCurrentV

protected

Definition at line 136 of file AliFMDv1.h.

Referenced by StepManager().

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

FMD/FMDsim/AliFMDv1.h
FMD/FMDsim/AliFMDv1.cxx

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation