NAME:
  occbingen
 PURPOSE:   (one line only)
  Generate a binned version of an occultation dataset
 DESCRIPTION:
 CATEGORY:
  Occultations
 CALLING SEQUENCE:
  occbingen,team,fwhm,binfac
 INPUTS:
  team - string for the team name (must match directories)
  fwhm - mean fwhm from the unbinned version of the data (or your best guess)
  binfac - binning factor.  values of 1 do not do anything
 OPTIONAL INPUT PARAMETERS:
 KEYWORD INPUT PARAMETERS:
  NODISPLAY - Flag, if set suppresses the graphical output
 OUTPUTS:
 KEYWORD OUTPUT PARAMETERS:
 CONFIGURATION:
   File: config.ini
   [global]
     event   - string with short ID name of event (ex: OR20200914)
     dir     - relative directory for this data set added to the root dir
     date    - YYYY-MM-DD both date and directory name part of path
     maxphotsig - maximum photometric signal (DN)
     snrlimit   - lower bound of SNR of detected sources to be kept
     minfwhm    - Minimum valid FWHM for a source to keep
   [TEAM]   - name of the team (input variable)
     dirtime - HH_MM_SS both starting time and directory name part of path
     maxphotsig - override of value in [global]
     snrlimit   - override of value in [global]
     minfwhm    - override of value in [global]
   [ddir]   - section to list potential root directories to find data
     XXX - 
       XXX is a unique string (eg., D01)
        is a directory path
       for additional details see getddir.pro
 COMMON BLOCKS:
 SIDE EFFECTS:
 RESTRICTIONS:
 PROCEDURE:
 MODIFICATION HISTORY:
  Written by Marc W. Buie, Southwest Research Institute, 2020/09/23
  2021/01/18, MWB, changed strategy for saving binned data and reporting
                to database
  2021/01/27, MWB, added support for stemdir in team stanza in config.ini
  2021/05/17, MWB, fixed numerous problems for a binned image that shows no stars.
  2022/02/11, MWB, added NODISPLAY keyword
  2023/04/04, MWB, added tweak to stemdir logic