Amazon VERSION 2.0V1 Guida Utente Scaricare il pdf (Pagina 169)

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Control (UI) Default Value Function

highlightCompensation enabled When enabled, Katana adaptively compresses

pixel values prior to transform filtering and re-

expands them afterwards. This helps to reduce

the ringing in high-contrast areas that can be a

problem in linear floating point images (as we

have in Katana).

clampOutput enabled Filtering can introduce negative values and send

values above 1.0.

When clampOutput is enabled, Katana clamps

the rgb channels low at 0 and the alpha channel

between 1 and 0 after the image is filtered. This is

recommended for transforms on color/alpha

images.

When clampOutput is disabled, no clamping is

done and values below 0 and above 1 are allowed.

This is recommended for transforms applied to

images that contain data which may (correctly)

range more widely.

ImageDivide

This node layers images together using the Divide compositing algorithm: B/F. It divides the background values by

the foreground values.

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

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.

4 NODES I-K | IMAGEDIVIDE

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