Lesson 21: Assigning Boolean Properies

After the doorway object is created and sized correctly, assign Boolean properties to it. The doorway must be cut out of the wall, so you'll need to make the doorway object negative.

To add Boolean properties:

1. Press the N key to make the doorway object negative. The wireframe changes to a dotted line.
2. Switch to Top View.
3. Select the front wall by clicking it.
   
   The wireframe turns red.
4. Press the P key, to change this object's properties to positive.
5. Select both the front wall and the doorway by drawing a selection marquee around their centerpoints.
   
   
6. Click the Group button to group them.
   
   The G changes to a U and the family color changes to Default Gray.
   
   Since this group is part of the Wall family of objects, it's a good idea to assign the group to the Wall family.
7. Click the Family button on the Selection palette to access the Family dialog box.
8. Select the Wall family.
9. Click the OK icon to exit the dialog box.
   
   The Family button changes to the Wall wireframe color.
10. Click the Solo Mode button to exit solo mode.
    
    The rest of your scene appears.
11. Change to Director's View.
12. Click the Render button.
    
    You may need to adjust the walls if there is a gap between the walls and the roof.
13. Save your scene.

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