B2BCatalogBottomTopOptional

b2bOpticLensCatalog→lensGeos→lensGeo→fitting

bottom
type	xs:decimal
unity	mm
occurs	1
description	fitting height from the LRP (layout reference point=centration point) to the top of the frame

top
type	xs:decimal
unity	mm
occurs	0..1
description	fitting height from the LRP (layout reference point=centration point) to the bottom of the frame

<xs:complexType name="B2BCatalogBottomTopOptional">
  <xs:sequence>
    <xs:element name="bottom" type="xs:decimal"/>
    <xs:element minOccurs="0" name="top" type="xs:decimal"/>
  </xs:sequence>
</xs:complexType>