This command turns off the visibility of all corridor regions, except the selected one. This command has the same effect as clearing all region check boxes on the Parameters tab of the Corridor Properties dialog box, except that of the selected region.
To isolate a corridor region to edit it
- In the drawing, select the corridor region you want to edit.
- Click Corridor tab
Modify Region panel

Isolate Region
. - Edit the region as desired.
- Click Corridor tab
Modify Region panel

Show All Regions
. All corridor regions are again visible.
NoteYou may have to rebuild the corridor to restore the visibility of all its regions.