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Apple Motion 3 User Manual

Page 282

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282

Chapter 3

Basic Compositing

Blend Mode: Sets the Blend Mode of the object. For more information, see “

Editing

Opacity and Blending

” on page 285.

Preserve Opacity: When this checkbox is turned on, the object appears only where
another object is visible behind it in the composite. The front object uses the opacity
value of the object behind it. For more information, see “

Preserve Opacity Option

” on

page 289.

Drop Shadow: Turns the drop shadow of an object on and off. For more information
about working with drop shadows, see “

Drop Shadows

” on page 309.

Four Corner: Turns corner-pinning on and off. If an object has been corner-pinned and
this checkbox is turned off, the object resumes its original shape, although the corner-
pinning coordinates are maintained. Turning the checkbox back on re-enables the
corner-pinning effect specified by the Four Corner coordinate parameters.

Click the disclosure triangle to display four two-dimensional parameters that define the
polygonal transform of a corner-pinned object. Individual parameters for the Bottom
Left, Bottom Right, Top Right, and Top Left corners of the bounding box that surrounds
an object have individual X and Y coordinates.

Crop: Turns cropping on and off. If an object has been cropped and this checkbox is
turned off, the object resumes its original size, although the cropping values are
maintained. Turning the checkbox back on re-enables the cropping effect specified by
the crop parameters.

Preserve Opacity turned off for the text circle
object

Preserve Opacity turned on for the text circle
object