weldx.transformations.CoordinateSystemManager.time_union¶
- CoordinateSystemManager.time_union(list_of_edges=None)¶
Get the time union of all or selected local coordinate systems.
If neither the
CoordinateSystemManager
nor its attachedLocalCoordinateSystem
instances possess a reference time, the function returns apandas.TimedeltaIndex
. Otherwise, apandas.DatetimeIndex
is returned. The following table gives an overview of all possible reference time combinations and the corresponding return type:CSM reference time
LCS reference times
Return type
True
all/mixed/none
False
all
False
none