def create_asym_item(cp, dcm_parent, axis, options={})
      val1 = cp.send("dcm_collimator_#{axis.to_s}1", options[:scale])
      val2 = cp.send("dcm_collimator_#{axis.to_s}2", options[:scale])
      item = DICOM::Item.new(:parent => dcm_parent)
      # RT Beam Limiting Device Type:
      DICOM::Element.new('300A,00B8', "ASYM#{axis.to_s.upcase}", :parent => item)
      # Leaf/Jaw Positions:
      DICOM::Element.new('300A,011C', "#{val1}\\#{val2}", :parent => item)
      item
    end
def create_asym_item(cp, dcm_parent, axis, options={})
      val1 = cp.send("dcm_collimator_#{axis.to_s}1", options[:scale])
      val2 = cp.send("dcm_collimator_#{axis.to_s}2", options[:scale])
      item = DICOM::Item.new(:parent => dcm_parent)
      # RT Beam Limiting Device Type:
      DICOM::Element.new('300A,00B8', "ASYM#{axis.to_s.upcase}", :parent => item)
      # Leaf/Jaw Positions:
      DICOM::Element.new('300A,011C', "#{val1}\\#{val2}", :parent => item)
      item
    end
Creates an ASYMX or ASYMY item.

 @param [ControlPoint] cp the RTP control point to fetch device parameters from
 @param [DICOM::Sequence] dcm_parent the DICOM sequence in which to insert the item
 @param [Symbol] axis the axis for the item (:x or :y)
 @return [DICOM::Item] the constructed ASYMX or ASYMY item