def copyCommonData(self):
SLFn = SELAFIN('')
# Meta data
SLFn.TITLE = self.slf.TITLE
SLFn.file = self.slf.file
SLFn.IPARAM = self.slf.IPARAM
# Time
SLFn.DATETIME = self.slf.DATETIME
SLFn.tags = self.slf.tags
# Variables
SLFn.NBV1 = self.slf.NBV1
SLFn.VARNAMES = self.slf.VARNAMES
SLFn.VARUNITS = self.slf.VARUNITS
SLFn.NBV2 = self.slf.NBV2
SLFn.CLDNAMES = self.slf.CLDNAMES
SLFn.CLDUNITS = self.slf.CLDUNITS
SLFn.NVAR = self.slf.NVAR
SLFn.VARINDEX = range(self.slf.NVAR)
# Unchanged numbers
SLFn.NPLAN = self.slf.NPLAN
SLFn.NDP = self.slf.NDP
return SLFn
