MEDYAN.mon_position_plusvector
Tuple{MEDYAN.Context, MEDYAN.MonomerName}
mon_position_plusvector( c::MEDYAN.Context, monomer::MEDYAN.MonomerName ) -> Tuple{StaticArraysCore.SVector{3, Float64}, StaticArraysCore.SVector{3, Float64}}
Return a tuple of position and plusvector at a monomer.