iges_in_dwg_view

yes, no

controls whether associativity within an iges view is preserved when an iges drawing is imported.

yesoupon import, iges views behave as 2d draft views, with associativity between view entities (e.g. geometry, notes and dimensions) preserved.

nooupon import, iges views are exploded; all entities which belonged to an iges view become unrelated.