class AliPMDDigitizer: public AliDigitizer

 Default Constructor

 copy constructor

 Assignment operator

 ctor which should be used

 Default Destructor

 Loads galice.root file and corresponding header, kinematics
 hits and sdigits or digits depending on the option

 This reads the PMD Hits tree and assigns the right track number
 to a cell and stores in the summable digits tree

 This reads the PMD Hits tree and assigns the right track number
 to a cell and stores in the digits tree

 This reads the PMD sdigits tree and converts energy deposition
 in a cell to ADC and stores in the digits tree

 Does the event merging and digitization

 This block assigns the cell id when there are
 multiple tracks in a cell according to the
 energy deposition
 This method added by Ajay

 merging sdigits

 This block assigns the cell id when there are
 multiple tracks in a cell according to the
 energy deposition

 This converts the simulated edep to ADC according to the
 Test Beam Data
 PS Test in June 2010, Voltage @ 1300 V
 KeV - ADC conversion for 12bit ADC
 MPV data used for the fit and taken here

 Add SDigit

 Add Digit

 clears the cell array and also the counter
  for each cell

 Clears SDigits

 Clears Digits

 Clears individual cells edep and track number

 Unloads all the root files

 returns of the gain of the cell
 Added this method by ZA

 The run number will be centralized in AliCDBManager,
 you don't need to set it here!
 Added this method by ZA
 Cleaned up by Alberto

 The run number will be centralized in AliCDBManager,
 you don't need to set it here!