Select to Remove Object Fragments at Domain Boundary if boundary objects could falsify the statistics. This setting only has an effect for the post-processing option Fibers (Centerlines) during the Identify Fibers run. For material phases this setting is ignored and objects are not removed.

The underlying domain can bet set as periodic for the material or fiber identification by checking one or several of the boxes in the Domain-Boundary Options panel.

However, periodicity is unusual for most 3D scans and this setting is rarely changed.