SHAPE_ASPECT_DEFINITION_SCHEMA
short long
e Apex
e Centre_of_symmetry
e Common_datum
e Composite_shape_aspect
e Datum
e Datum_feature
e Datum_reference
e Datum_target
e Derived_shape_aspect
e Extension
e Geometric_alignment
e Geometric_intersection
d Limit_condition
e Parallel_offset
e Perpendicular_to
e Referenced_modified_datum
e Shape_aspect_deriving_relationship
e Symmetric_shape_aspect
e Tangent