Usage: an implementation of this interface is supplied and you must use it as is. You should not reimplement it.
interface CATITPSFlatness
Interface to flatness tolerance.
Role: Objects that implement this typing interface are flatness
tolerances. This type belongs to the form super type.
It defines the capability of a surface supposed planar, to entirely be within the tolerance zone. This tolerance zone is a volume, limited by two t-apart parallel planes. A form tolerance is specified without any reference frame.
Normative reference: ISO 1101 section 14.2 and ASME Y14.5M section 6.4.2.
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