Amazon VERSION 2.0V1 Uživatelská příručka stáhnout pdf (Strana 272)

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Control (UI) Default Value Function

displayWindow Background The frame size to output in the event that the fg and bg inputs

are different sizes:

• Background - output the frame size of the /jointfilesconvert/368881/bg input.

• Foreground - output the frame size of the fg input.

• Union - output a combination of the bg and fg inputs' frame

sizes.

• Intersection - output an intersection of the /jointfilesconvert/368881/bg and fg inputs'

frame sizes. This restricts the output to the area where the

two frame sizes overlap.

clampAlpha enabled When enabled, the output alpha channel is clamped to the 0-1

range. Color channels (RGB) are not affected.

ImageUnpremultiply

This node divides the RGB channels by the alphaChannel when an image is connected to the alpha input.

Otherwise, a is read from the input leaving the alpha channel unchanged.

Also see ImagePremultiply on page240.

Control (UI) Default Value Function

R enabled When enabled, affect the red channel of the image.

G enabled When enabled, affect the green channel of the image.

B enabled When enabled, affect the blue channel of the image.

A enabled When enabled, affect the alpha channel of the image.

mix 1 Dissolves between the original image at 0 and the full

unpremultiplication effect at 1.

Mask

4 NODES I-K | IMAGEUNPREMULTIPLY

1 2 ... 267 268 269 270 271 272 273 274 275 276 277 ... 376 377

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Amazon VERSION 2.0V1 Uživatelská příručka Strana 272

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