22 #ifndef CLASSIC_VacuumRep_HH
23 #define CLASSIC_VacuumRep_HH
79 #endif // CLASSIC_VacuumRep_HH
A geometry representing a straight line.
StraightGeometry geometry
virtual Channel * getChannel(const std::string &aKey, bool=false)
Construct a read/write channel.
Abstract interface for read/write access to variable.
virtual NullField & getField()
Get field.
virtual ElementBase * clone() const
Return clone.
virtual StraightGeometry & getGeometry()
Get geometry.
void operator=(const VacuumRep &)
A zero electromagnetic field.