cf
FieldAncillary.
isdomainancillary
True if the variable is a domain ancillary object.
New in version DCH.
See also
isauxiliary, isdimension, isfieldancillary, ismeasure
isauxiliary
isdimension
isfieldancillary
ismeasure
>>> f.isdomainancillary False
cf.FieldAncillary.isdimension
cf.FieldAncillary.isfieldancillary