fillFromMBFits
DataEntity:
BoaDataEntity.py
NAM: fillFromMBFits()
DES: fill a DataEntity object using the content of ObsEntity
objects.
Calling sequence: DataEntity.fillFromMBFits(obsEntity)
INP: obsEntity: *LIST* of objects of the Entities.ObsEntity class
update (logical) if true, do not reset previous entity object
OUT: None