Apple Motion 5.1.1 - Manual (Page 750)

Chapter 19 Filters 750
Types of onscreen controls
Several onscreen controls, such as Center, are common to many filters. However, some filters have
unique onscreen controls. The following list provides examples of the types of controls available.
If you’re unsure of an onscreen control’s function, drag it in the Canvas while viewing the Filters
Inspector to see which parameter changes.
•
Center: This is the most common filter onscreen control. Drag in the center of the circle to
reposition the filter’s Center parameter.
Light Rays filter Center
onscreen control
•
Amount: This onscreen control has different representations, depending on the filter. In the
Zoom Blur filter, drag the small circular handle (above the Center onscreen control) to adjust
the Amount parameter.
Zoom Blur filter Amount
onscreen control
In the Prism filter, drag the arrow handle inward or outward to adjust the Amount parameter.
(Dragging the arrow in an arc adjusts the Angle parameter.)
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