DFTI: Muon Impact Parameter fitter data

                               Titles:  DFTI: Muon Impact Parameter Fitter Data
                               ================================================
 
    Contact:  C. Kyba, Penn
 
    Revision History:-
    ================
 
    5.01  C. Kyba      First version.
 

 
Titles Files
------------
 
fti_ang_pdfs.dat
 
 
Verification
------------
 
 
Description
-----------
 
    This bank contains the angular photon pdf used by FTI

 
Data Words
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        Data types: B(bit), I, F, D(double), H(hollerith 4 char)
 
        Fixed length Database Header.  See titles_dbhdr.html.
 
        KDFTI...
 
    1   I _HEAD_WORDS       Number of header words before the data starts (currently 8)
    2   F _IMP_PARAM        Impact parameter (cm)
    3   F _N_EVENTS         Number of events used in generation of the file
    4   F _TOT_PHOTONS      Total number of photons detected in generation
    5   F _TOT_PMT_AVAIL    Maximum number of PMTs that could have been hit in generation
    6   F                   Spare
    7   F                   Spare
    8   F                   Spare

Then follows the data, [number of header words]+...

   +KDFTI_HIT_FRAC      F   Fraction of photons observed in [cos(theta),phi]
                             bin [1,1]
   +KDFTI_DIR_PROB      F   Direct photon probability for   [cos(theta),phi]
                             bin [1,1]
   +KDFTI_HIT_FRAC+2    F   Fraction of photons observed in [cos(theta),phi]
                             bin [1,2]
   +KDFTI_DIR_PROB+2    F   Direct photon probability for   [cos(theta),phi]
                             bin [1,2]
   +KDFTI_HIT_FRAC+4    F   Fraction of photons observed in [cos(theta),phi]
                             bin [1,3]
   +KDFTI_DIR_PROB+4    F   Direct photon probability for   [cos(theta),phi]
                             bin [1,3]
    .
    .
    .

with the cos(theta) bin number incrementing after the max number of phi bins
and the phi bin reseting back to 1.