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TrackBall Properties

TrackBall objects have the following properties in addition to properties inherited from any superclasses. Properties with the word “Yes” in the “Init” column of the property table can be set via TrackBall::Init.

Note: For a discussion of the property description tables shown below, see Modifying Object Properties.

Objects of this class have the following properties.

• AXIS
• CONSTRAIN
• MOUSE

AXIS

An integer value that indicates the axis about which rotations are to be constrained if the CONSTRAIN keyword is set. Valid values include:

• 0 = Rotate only around the X axis.
• 1 = Rotate only around the Y axis.
• 2 = Rotate only around the Z axis (this is the default).

CONSTRAIN

A boolean value that indicates whether the trackball transformations are to be constrained about the axis specified by the AXIS keyword. The default is not to constrain the transformations.

MOUSE

An integer value that indicates which mouse button to honor for trackball events. Valid values include:

• 1 = Left mouse button (the default)
• 2 = Middle mouse button
• 4 = Right mouse button