Apple Motion 5.1.1 User Manual

Page 241

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Chapter 7

Basic compositing

241

Linear Light: Similar to the Hard Light blend mode, except that overlapping midrange color
values are mixed together with higher contrast. Whites and blacks in the foreground image
block the background image. Whites and blacks in the background image interact with
overlapping midrange color values in the foreground image. Overlapping midrange color
values are mixed together. Lighter background colors brighten the foreground image, while
darker colors darken it. The order of two layers affected by the Linear Light blend mode
is important.

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Pin Light: Similar to the Hard Light blend mode, except that overlapping midrange color values
are mixed together differently based on their color value. Whites and blacks in the foreground
image block the background image. Whites and blacks in the background image interact with
overlapping midrange color values in the foreground image. The methods used by the Pin
Light blend mode to mix two images are somewhat complex. Overlapping midrange color
values are treated differently depending on which of the four regions of the luminance chart
they fall into:

Lighter and darker areas of the foreground image falling close to the whites and blacks
are preserved.

Areas of the foreground image falling near the center of the midrange are tinted by the
background color.

Darker areas of the foreground image between the blacks and center of the midrange
are lightened.

Lighter areas of the foreground image between the whites and the center of the midrange
are darkened.

The result might appear alternately tinted or solarized, depending on the lightness or darkness
of the overlapping values. This blend mode lends itself to more abstract effects. The order of
two layers affected by the Pin Light blend mode is important.

Boxes object on top

Chimp object on top

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