KR504: TGrid: What is difference between fixed angle and adaptive angle for the feature extraction?

Fixed angle criterion -
This method considers the feature angle between adjacent faces when creating edge loops. You can specify the minimum feature angle between adjacent faces as a parameter for edge loop creation. The common edge thread between two faces will be created when the feature angle is greater than the value specified.

Adaptive angle criterion -
This method compares the angle at the edge with the angle at neighboring edges.
If the relation between the angles matches the typical patterns of the angles in the neighborhood of the feature edge, the edge in question is considered to be a feature edge. You do not need to specify a value for the feature angle in this case.

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