Which pages of a layout tree are laid out from their geometry rather than from the structure tree.
public enum LayoutDetection
Spec story 36; ISO 32000-2 §14.8.2.5 (logical content order) and §14.8.2.2 (artifacts). Detection finds text blocks, columns from the white space between them, paragraphs from indentation and spacing, the reading order across columns, and headers and footers repeated on most pages, which become artifacts (left out of the tree and flagged Artifact in Text).
kind:method, kind:property, kind:ctor. Press Esc to clear.AllPagesEvery page is detected, tagged or not; the structure tree is not used.NoneNo page is detected: untagged pages contribute no nodes.UntaggedPagesPages with no tagged content (none of their glyphs belongs to a structure element) are detected; the default.