Page History

# Import
from PSCalib.DCStore import DCStore       # inport DCStore (Detector Calibration Store) object 

# Initialization
CPATH_DEFREPO = '/reg/g/psdm/detector/calib'  # default calib directory
cpath = '<path>/calib'                    # localdefault calib directory
cpath = '<path>/<dettype>-<detid>.h5'     # direct to file
cpathrepository

cdir = env.calibDir()                     # '/reg/d/psdm/<INS>/<experiment>/calib' - accept current directory
path = cdir + <dettype>

detnamefname = '[path/]pnccd-12345678'                # standard name includes detector type, dash, and n-digit id number
detnamefname = '[path/]Camera1'                       # alias

cs = DCStore(cpath, detname)              # creates a DCStore object.
""" get calibration store object
    Input parameters:
    cpath [str] - path to the hdf5 file or calibration directory. 
                  If cpath is a path to hdf5 file - next parameter is ignored.
                  If cpath=None - default path is used.

cs = DCStore(fname)                    If cpath is specified# ascreates a path to directory (or default) then detname can be an alias.  
    detname DCStore object.
""" get calibration store object
    Input parameters:
    fname [str] - file name/alias of the detector 
"""

ctype = pedestals # status, rms, mask, gain, bkgd, common_mode, geometry, etc
tsp = tstamp parameter to identify constants, which can be retrieved from evt.run() - run number, evt
vers = None # for default or versind or version time stamp.

# generic access method:
obj = cs.get(ctype, tsp, vers=None)