ecalDccMap.h File Reference

#include <iostream>

Go to the source code of this file.

Functions
int	abOfDcc (int iDCC)
int	dccIndex (int iDet, int i, int j)
int	dccIndexOfRU (int iDet, int i, int j)
int	dccPhiIndex (int iDet, int i, int j)
int	dccPhiIndexOfRU (int iDet, int i, int j)
template<class T >
T	mod (const T &a, const T &b)

Variables
static const char	endcapDccMap [401]

Function Documentation

int abOfDcc ( int  iDCC )

inline

Definition at line 103 of file ecalDccMap.h.

References mod().

                             {
  if (iDCC < 0 || iDCC > 54)
    return -1;
  if (iDCC < 9) {  //EE-
    return iDCC / 3;
  } else if (iDCC < 27) {  //EB-
    //an EB AB is made of 6 DCCs,
    //first EB- AB is numbered 3
    //and "1st" DCC of AB 3 is DCC 26
    //(AB 3 made of DCCs 26,9,10,11,12,13):
    return 3 + mod(iDCC - 26, 18) / 6;
  } else if (iDCC < 45) {  //EB+
    //an EB AB is made of 6 DCCs,
    //first EB+ AB is numbered 6
    //and "1st" DCC of AB6 is DCC 44
    //(AB 6 made of DCCs 44,27,28,29,30,31):
    return 6 + mod(iDCC - 44, 18) / 6;
  } else {  //EE+
    //AB numbering starts at DCC=45 and runs along phi in increasing phi
    //first EE+ AB is numbered 9:
    return 9 + (iDCC - 45) / 3;
  }
}

int dccIndex ( int  iDet, int  i, int  j  )

inline

Gets the index of the DCC reading a crystal

Parameters

iDet	0 for EE-, 1 for EB, 2 for EE+
i	iEta or iX
j	iPhi or iY

Returns

DCC index between 0 and 53

Definition at line 63 of file ecalDccMap.h.

References dccPhiIndex().

                                            {
  if (iDet == 1) {  //barrel
    //a SM is 85 crystal long:
    int iEtaSM = i / 85;
    //a SM is 20 crystal wide:
    int iPhiSM = (j + 10) / 20;
    //DCC numbers start at 9 in the barrel and there 18 DCC/SM
    return 9 + 18 * iEtaSM + iPhiSM;
  }
  int iPhi = dccPhiIndex(iDet, i, j);
  if (iPhi < 0)
    return -1;
  //34 DCCs in barrel and 8 in EE-=>in EE+ DCC numbering starts at 45,
  //iDet/2 is 0 for EE- and 1 for EE+:
  return iPhi + iDet / 2 * 45;
}

int dccIndexOfRU ( int  iDet, int  i, int  j  )

inline

Gets the index of the DCC reading a crystal

Parameters

iDet	0 for EE-, 1 for EB, 2 for EE+
i	iEta (staring at eta=-1.48) or iX
j	iPhi or iY

Returns

DCC index between 0 and 53

Definition at line 86 of file ecalDccMap.h.

References dccPhiIndexOfRU().

                                                {
  if (iDet == 1) {  //barrel
    //a SM is 17 RU long:
    int iEtaSM = i / 17;
    //a SM is 4 RU wide:
    int iPhiSM = (j + 2) / 4;
    //DCC numbers start at 9 in the barrel and there 18 DCC/SM
    return 9 + 18 * iEtaSM + iPhiSM;
  }
  int iPhi = dccPhiIndexOfRU(iDet, i, j);
  if (iPhi < 0)
    return -1;
  //34 DCCs in barrel and 8 in EE-=>in EE+ DCC numbering starts at 45,
  //iDet/2 is 0 for EE- and 1 for EE+:
  return iPhi + iDet / 2 * 45;
}

int dccPhiIndex ( int  iDet, int  i, int  j  )

inline

Gets the phi index of the DCC reading a crystal

Parameters

iDet	0 for EE-, 1 for EB, 2 for EE+
i	iEta or iX
j	iPhi or iY

Returns

DCC phi index between 0 and 8 for EE and between 0 and 17 for EB

Definition at line 55 of file ecalDccMap.h.

References dccPhiIndexOfRU().

{ return dccPhiIndexOfRU(iDet, i / 5, j / 5); }

int dccPhiIndexOfRU ( int  iDet, int  i, int  j  )

inline

Gets the phi index of the DCC reading a RU (SC or TT)

Parameters

iDet	0 for EE-, 1 for EB, 2 for EE+
i	iEta or iX
j	iPhi or iY

Returns

DCC phi index between 0 and 8 for EE and between 0 and 17 for EB

Definition at line 38 of file ecalDccMap.h.

References endcapDccMap.

                                                   {
  if (iDet == 1) {  //barrel
    //iEta=i, iPhi=j
    //phi edge of a SM is 4 TT
    return (j + 2) / 4;
  }
  char flag = endcapDccMap[i + j * 20];
  return (flag == ' ') ? -1 : (flag - '0');
}

template<class T >

T mod	(	const T &	a,
		const T &	b
	)

Definition at line 4 of file ecalDccMap.h.

References b, and c.

                              {
  T c = a % b;
  return c < 0 ? c + b : c;
}

Variable Documentation

const char endcapDccMap[401]

static

Initial value:

= {
    "       777777       "
    "    666777777888    "
    "   66667777778888   "
    "  6666667777888888  "
    " 666666677778888888 "
    " 566666677778888880 "  
    " 555666667788888000 "  
    "55555566677888000000"  
    "555555566  880000000"  
    "55555555    00000000"  
    "55555554    10000000"  
    "554444444  111111100"
    "44444444332211111111"
    " 444444333222111111 "
    " 444443333222211111 "
    " 444433333222221111 "
    "  4443333322222111  "
    "   43333332222221   "
    "    333333222222    "
    "       333222       "}

Definition at line 9 of file ecalDccMap.h.

Referenced by dccPhiIndexOfRU().