'tcas' TopCapAttributeSet 'bcas' BottomCapAttributeSet 'fcas' FaceCapAttributeSet
What are they used for?
A The following cap attributes are used:
'tcas' TopCapAttributeSet 'bcas' BottomCapAttributeSet 'fcas' FaceCapAttributeSet
Cap attributes define locations. For example, if you envision this in terms of
a cylinder, the top and bottom cap-attribute set is applied to the top and base
surfaces of the cylinder, and the face cap-attribute set is applied to the
cylindrical surface.