ISO 10303-214:2010(E)
An Accuracy is the information about the geometrical accuracy of the product data contained in a model.
The data associated with an Accuracy are the following:
The accuracy_type specifies the kind of accuracy that is applied.
Where applicable the following values shall be used:
NOTE 1 The angular accuracy value can be used to determine the accuracy range for tangent continuous curve or surface connections.
NOTE 2 Terms surrounded by the FORMULA symbols represent the absolute values of these terms.
The accuracy_value specifies a numerical value defining the Accuracy.
The description specifies additional information about the Accuracy.
See accuracy to multi_language_string for the application assertion.
The description need not be specified for a particular Accuracy.
If present, there shall be exactly one object that defines the description for an Accuracy.
The is_defined_for specifies the geometry to which the Accuracy is assigned.
NOTE Each object included in accuracy_select is related to zero or one Accuracy_object.
See accuracy to external_geometric_model, accuracy to face, accuracy to geometric_model, accuracy to oriented_edge_curve, and accuracy to vertex_point for the application assertions.
There shall be at least one object that the Accuracy is_defined_for.
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