Geometric Tolerances Data Format
In the Neutral file, the Creo application stores the following geometric tolerance information associated with a part: the tolerance class and type, the feature ID tied to the tolerance (and reference IDs if used, if not, the reference ID number is the same as the feature ID), the value of the tolerance, material conditions, and datum reference information (only if used).
Data format:
geometric_tolerance {Ntols} (At the head of the list)
geometric_tolerance
tol_class
tol_type
feat_id
ref_type
ref_id
value
matl_cond
(datum refs used)