The buttons directly above the Navigation View perform the following actions:
Auto Expand Selection when an object (or occupant) in the 3D or 2D view is selected, this action will expand the groups of the Navigation View as needed to show the selected object.
Collapse All collapses all expanded groups in the Navigation View.
Expand All expands all groups in the Navigation View (including sub-groups)
The Floor box above the view can be used to manage floors. Any time a room, stair, or door is created it is added to a floor group matching the current selection in the Floor box. Changing the selection in the
Pathfinder User Manual 7
Floor box will cause the newly selected floor to be shown and all other floors to be hidden. Also, the Z property for all drawing tools will automatically default to the height of the floor currently selected in the Floor box. The visibility of any object or group of objects can always be manually set using the right-click context menu. This technique is useful if you want to show two floors at the same time (e.g. when