phi= 3 +4*c
| DCAS9 |DCAS10
|DCAS11 |
------------------------------------------------
phi= 2 +4*c
| DCAS6 |DCAS7
|DCAS8
|
------------------------------------------------
phi= 1 +4*c
| DCAS3 |DCAS4
|DCAS5
|
------------------------------------------------
phi= 0 +4*c
| DCAS0 |DCAS1
|DCAS2
|
------------------------------------------------
eta =
23.....16 | 15...8
| 7....0
this corresponds to 1 block in TC2D
Correspondence between DCAS ( TC2D blocks) and eta/phi of the
Trigger Towers and DIRAC( TC1D indexes):
for ( int k = 0 ; k < 12 ; k++ ) { // boards DCAS
for (
int l = 0 ; l < 6 ; l++ ) { //blocks DCAS
for ( int j = 0 ; j < 8 ; j++ ) { // word DCAS
int eta_aux = (j)+8*(2-(k%3)) ;
int phi_aux = (l*4)+(int)(k/3);
int dirac_block = l*2 + (int)(k/6);
int dirac_card = 3-(int)(eta_aux/6) + (phi_aux%2)*4;
int dirac_word = 1 + (int)((eta_aux%6)/2);
}
//for ( int j = 0 ; j < 8 ; j++ )
}//for ( int l = 0
; l < 6 ; l++ )
} // for ( int k = 0 ; k <
12 ; k++ )