CscHitIdHelper Class Reference

#include <CscHitIdHelper.h>

Inheritance diagram for CscHitIdHelper:

Collaboration diagram for CscHitIdHelper:

Public Member Functions
std::string	GetStationName (const int &hid) const
void	SetStationName (const std::string &name, int &hid) const
int	GetPhiSector (const int &hid) const
int	GetZSector (const int &hid) const
int	GetChamberLayer (const int &hid) const
int	GetWireLayer (const int &hid) const
int	BuildCscHitId (const std::string &, const int, const int, const int, const int) const
void	InitializeField (const std::string &n, int vmn, int vmx)
void	InitializeField (const std::string &n, int nb)
void	SetFieldValue (const std::string &name, int n, HitID &targetID) const
int	GetFieldValue (const std::string &name, HitID targetID) const
void	PrintFields ()

Static Public Member Functions
static const CscHitIdHelper *	GetHelper ()
static void	Print (int id)

Static Protected Member Functions
static void	SetBit (int &i, int bitpos)
static void	UnsetBit (int &i, int bitpos)
static void	Store (int &id, int value, int first, int field)
static int	Retrieve (int id, int first, int field)

Protected Attributes
IdFields	m_IDs
int	m_currentStorage

Private Member Functions
	CscHitIdHelper ()
void	Initialize ()
void	InitializeStationName ()

Detailed Description

Definition at line 13 of file CscHitIdHelper.h.

Constructor & Destructor Documentation

CscHitIdHelper()

CscHitIdHelper::CscHitIdHelper ( )

private

Definition at line 17 of file CscHitIdHelper.cxx.

                               : HitIdHelper()
{
  InitializeStationName();
  Initialize();
}

Member Function Documentation

BuildCscHitId()

int CscHitIdHelper::BuildCscHitId	(	const std::string &	statName,
		const int	phiSect,
		const int	zSect,
		const int	chamberLayer,
		const int	wireLayer
	)		const

Definition at line 89 of file CscHitIdHelper.cxx.

{
  int theID(0);
  this->SetStationName(statName, theID);
  this->SetFieldValue("PhiSector", phiSect, theID);
  this->SetFieldValue("ZSector", zSect, theID);
  this->SetFieldValue("ChamberLayer", chamberLayer, theID);
  this->SetFieldValue("WireLayer", wireLayer, theID);
  return theID;
}

GetChamberLayer()

int CscHitIdHelper::GetChamberLayer

(

const int &

hid

)

const

Definition at line 78 of file CscHitIdHelper.cxx.

{
  return this->GetFieldValue("ChamberLayer",hid);
}

GetFieldValue()

int HitIdHelper::GetFieldValue ( const std::string &  name, HitID  targetID  ) const

inherited

Definition at line 48 of file HitIdHelper.cxx.

{
  for (unsigned int i=0;i<m_IDs.size();i++)
    {
      if (m_IDs[i].fieldName==name)
        {
          int n=Retrieve(targetID,m_IDs[i].firstBit,m_IDs[i].nBits);
          return n+m_IDs[i].vMin;
        }
    }
  std::cout<<"HitIdHelper: field "<<name<<" not found: returning 0"<<
    std::endl;
  return 0;
}

GetHelper()

const CscHitIdHelper * CscHitIdHelper::GetHelper ( )

static

Definition at line 23 of file CscHitIdHelper.cxx.

{
  static const CscHitIdHelper helper;
  return &helper;
}

GetPhiSector()

int CscHitIdHelper::GetPhiSector

(

const int &

hid

)

const

Definition at line 67 of file CscHitIdHelper.cxx.

{
  return this->GetFieldValue("PhiSector",hid);
}

GetStationName()

std::string CscHitIdHelper::GetStationName

(

const int &

hid

)

const

Definition at line 56 of file CscHitIdHelper.cxx.

{
  char v[4];
  v[0]=v1[this->GetFieldValue("Station[1]",hid)];
  v[1]=v2[this->GetFieldValue("Station[2]",hid)];
  v[2]=v3[this->GetFieldValue("Station[3]",hid)];
  v[3]='\0';
  std::string temp=v;
  return temp;
}

GetWireLayer()

int CscHitIdHelper::GetWireLayer

(

const int &

hid

)

const

Definition at line 83 of file CscHitIdHelper.cxx.

{
  return this->GetFieldValue("WireLayer",hid);
}

GetZSector()

int CscHitIdHelper::GetZSector

(

const int &

hid

)

const

Definition at line 72 of file CscHitIdHelper.cxx.

{
  return this->GetFieldValue("ZSector",hid);
}

Initialize()

void CscHitIdHelper::Initialize ( )

private

Definition at line 29 of file CscHitIdHelper.cxx.

{
  InitializeField("PhiSector",1,8);
  InitializeField("ZSector",-1,1);
  InitializeField("ChamberLayer",1,2);
  InitializeField("WireLayer",1,4);
 
}

InitializeField() [1/2]

void HitIdHelper::InitializeField ( const std::string &  n, int  nb  )

inherited

Definition at line 21 of file HitIdHelper.cxx.

{
  int vmn=0;
  int vmx=int(pow(2,nb))-1;
  IdField id={n,vmn,vmx,nb,m_currentStorage+1};
  m_IDs.push_back(id);
  m_currentStorage+=nb;
  assert (m_currentStorage<33);
}

InitializeField() [2/2]

void HitIdHelper::InitializeField ( const std::string &  n, int  vmn, int  vmx  )

inherited

Definition at line 10 of file HitIdHelper.cxx.

{
  int field = vmx -vmn+1;
  int nb=1;
  while (field>pow(2,nb)) nb++;
  IdField id={n,vmn,vmx,nb,m_currentStorage+1};
  m_IDs.push_back(id);
  m_currentStorage+=nb;
  assert (m_currentStorage<33);
}

InitializeStationName()

void CscHitIdHelper::InitializeStationName ( )

private

Definition at line 38 of file CscHitIdHelper.cxx.

{
  InitializeField("Station[1]",0,sizeof(v1));
  InitializeField("Station[2]",0,sizeof(v2));
  InitializeField("Station[3]",0,sizeof(v3));
}

Print()

void HitIdHelper::Print ( int  id )

staticinherited

Definition at line 73 of file HitIdHelper.cxx.

{
  for (unsigned int i=0;i<8*sizeof(int);i++)
    {
      if ((id & (1u<<i))) std::cout<<"1";
      else std::cout<<"0";
    }
  std::cout<<std::endl;
}

PrintFields()

void HitIdHelper::PrintFields ( )

inherited

Definition at line 63 of file HitIdHelper.cxx.

{
  for (unsigned int i=0;i<m_IDs.size();i++)
    {
      std::cout<<"-- Field "<<m_IDs[i].fieldName<<"\t["<<m_IDs[i].vMin
               <<","<<m_IDs[i].vMax<<"]\tnBits "<<m_IDs[i].nBits
               <<"\tfirst Bit "<<m_IDs[i].firstBit<<std::endl;
    }
}

Retrieve()

int HitIdHelper::Retrieve ( int  id, int  first, int  field  )

staticprotectedinherited

Definition at line 106 of file HitIdHelper.cxx.

{
  int j=0;
  for (int i=0;i<field;i++)
    SetBit(j,(i+first));
  int l=id&j;
  return l>>(first-1);
}

SetBit()

void HitIdHelper::SetBit ( int &  i, int  bitpos  )

staticprotectedinherited

Definition at line 83 of file HitIdHelper.cxx.

{
  int l=1;
  l<<=(bitpos-1);
  i|=l;
}

SetFieldValue()

void HitIdHelper::SetFieldValue ( const std::string &  name, int  n, HitID &  targetID  ) const

inherited

Definition at line 31 of file HitIdHelper.cxx.

{
  for (unsigned int i=0;i<m_IDs.size();i++)
    {
      if (m_IDs[i].fieldName==name)
        {
          if (n<m_IDs[i].vMin || n>m_IDs[i].vMax)
            std::cout<<"HitIdHelper: field "<<name<<": supplied value "<<n<<
              " is not within the allowed range ["<<m_IDs[i].vMin<<","<<m_IDs[i].vMax
                     <<"] : the result of this action is unpredictable "<<std::endl;
          n-=m_IDs[i].vMin;
          Store(targetID,n,m_IDs[i].firstBit,m_IDs[i].nBits);
          break;
        }
    }
}

SetStationName()

void CscHitIdHelper::SetStationName	(	const std::string &	name,
		int &	hid
	)		const

Definition at line 45 of file CscHitIdHelper.cxx.

{
  for (unsigned int i=0;i<sizeof(v1);i++)
    if (v1[i]==name[0]) SetFieldValue("Station[1]",i,hid);
  for (unsigned int i=0;i<sizeof(v2);i++)
    if (v2[i]==name[1]) SetFieldValue("Station[2]",i,hid);
  for (unsigned int i=0;i<sizeof(v3);i++)
 
    if (v3[i]==name[2]) SetFieldValue("Station[3]",i,hid);
}

Store()

void HitIdHelper::Store ( int &  id, int  value, int  first, int  field  )

staticprotectedinherited

Definition at line 97 of file HitIdHelper.cxx.

{
  int l=0;
  for (int i=0;i<field;i++)
    UnsetBit(id,i+firstbit);
  l=value<<(firstbit-1);
  id |= l;
}

UnsetBit()

void HitIdHelper::UnsetBit ( int &  i, int  bitpos  )

staticprotectedinherited

Definition at line 89 of file HitIdHelper.cxx.

{
  int l=0;
  SetBit(l,bitpos);
  int k=~l;
  i&=k;
}

Member Data Documentation

m_currentStorage

int HitIdHelper::m_currentStorage

protectedinherited

Definition at line 35 of file HitIdHelper.h.

m_IDs

IdFields HitIdHelper::m_IDs

protectedinherited

Definition at line 34 of file HitIdHelper.h.

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

• CscHitIdHelper.h
• CscHitIdHelper.cxx