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ACIS provides two API functions that calculate the
minimum distances between models. Facet data assists the minimum distance algorithms. The precise model geometry refines the results. Minimum distance functionality assists in many application areas. For example, all applications that involve motion, such as robotics, find it useful to know what the clearance is between two parts at any time. Non motion-related use includes design, where a part has to fit within existing constraints; e.g., an engine within a car body. The minimum distance APIs are
api_check_face_clearance and
api_check_solid_clearance.
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