Amazon VERSION 2.0V1 Guia do Utilizador descarregar pdf (Página 188)

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Control (UI) Default Value Function

inputs Unpremultiplied Select whether you are using a premultiplied or unpremultiplied

input image:

• Premultiplied - the ImageGamma node unpremultiplies the

input, applies the gamma change, and premultiplies the input

again. This simulates applying the gamma change before the

premultiplication was done, as color corrections are typically

applied on unpremultiplied images.

• Unpremultiplied - the ImageGamma node simply applies the

gamma change.

ImageGeometric

This node layers images together using the Geometric compositing algorithm: 2FB/(F+B). This is another way of

averaging two images. Visually, it's close to ImageMin.

You can also specify a different compositing algorithm using the operation control.

Also see ImageAverage on page140 and ImageHypot on page192.

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 /jointfilesconvert/368881/bg image at 0 and the full merge effect at

Mask

4 NODES I-K | IMAGEGEOMETRIC

1 2 ... 183 184 185 186 187 188 189 190 191 192 193 ... 376 377

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