Boolean Attributes

Boolean attributes, listed in the General tab of the Object Attributes dialog, control how an object acts in a Boolean operation. For example, if a Boolean attribute is set to Negative, the object subtracts an area from a positive object. These are examples of some of the objects you can create using Boolean operations. Refer to "Boolean Operations" for a complete discussion of Boolean operations.

To set an object's Boolean attributes:

Display the Object Attributes dialog.
Make sure the General tab is displayed.
Enable one of the check boxes at the top of the dialog:

Neutral: defines any selected object, objects, or group as non-Boolean. No Boolean operation can be performed on a neutral object. This is the default setting for all objects.
Positive: defines any selected object, objects, or group as solid when grouped.
Negative: defines any selected object, objects, or group as negative when grouped. Think of a negative object as a "cutting object."
Intersect: defines any selected object, objects, or group as an intersecting object when grouped.

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