Example 2: Modify Element Parameter, Using an Operator

Define a new property for Zones that returns a value of 30 cm below the Zone height.

1.In Property Manager, create a New Property called Suspended Ceiling Height.

2.Set its Data Type to Length.

3.Select the Expression option. The Expression Editor appears.

4.Use the Parameters & Properties pop-up to add HEIGHT as the first expression.

5.Use the Function pop-up to choose the Subtract operator (or just type a minus sign), then type 30.

6.Use the Unit pop-up to choose cm as the unit (or type it in).

Your function can be run using any of the units listed here. (However, the calculated property value will be shown on the Archicad interface according to the Calculation Units in effect).

7.The resulting Expression:

8.Define the Property Availability for all Space-classified elements.

9.Click OK to close Property Manager and save the new property.

10.Display the “Suspended Ceiling Height” property value in the Zone Stamp.