In the Organizer, select a plan View in the View Map and click on the Settings button at the bottom of the View Map.
In this Settings Box click on the Floor Plan Cut Plane Settings Box.
In the archicad Help Menu you can look in Help or the Reference Guide to find the explanation for the various settings.
Erika
Architect, Consultant
MacBook Pro Retina, 15-inch Yosemite 2.8 GHz Intel Core i7 16 GB 1600 MHz DDR3
Mac OSX 10.11.1
AC5-18
Onuma System
"Implementing Successful Building Information Modeling"