Remove Alpha Filter

Remove Alpha filter remove alpha from rendered image in several ways.

Extreme Alpha

Usually, alpha value is within the range 0-1. However, Zindaiji3 sometimes use alpha value as accumulative one and alpha value can exceeds 1.
When this checkbox is checked, alpha greater than 1 affects color of the image. For example, (0.5, 0.5, 0.5, 1.5) would be converted to (0.75, 0.75, 0.75, 1).
If not checked, it would be comverted simply to (0.5, 0.5, 0.5, 1), just setting alpha value to 1.

Alpha to Gray

Convert alpha channel to grayscale image.

Tile BG

Convert transparent region to gray tile, like some paint softwares.
Note that this filter change the color data itself to tiled image, (not displayed image only).

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