S_ZFogExponentialMixes a fog color into the source clip using depth values from a ZBuffer input. The fog starts at the nearest depth and increases exponentially to the farthest depth at a rate depending on the Fog Density.In the Sapphire Stylize category.
Inputs:
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Parameters:
-
Load Preset:
Push-button
.
Brings up the Preset Browser to browse all available presets for this effect.
-
Save Preset:
Push-button
.
Brings up the Preset Save dialog to save a preset for this effect.
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Fog Density:
Default:
0.7,
Range:
0 to 1.
The density of the fog.
-
Fog Color:
Default rgb:
[0.5 0.5 0.5].
The fog color should normally match the sky or background color of the source clip. Use gray for mist, brown for smog, blue for underwater, etc.
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Z Buffer Type:
Popup menu, Default: White is Near
.
How to interpret the values in the Z buffer.
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Black is Near:
Black pixels in the Z buffer indicate that
the object at that point is near (close to you), and white means far
away.
- White is Near: White pixels in the Z buffer indicate that the object at that point is near (close to you), and black means far away.
- White is Near: White pixels in the Z buffer indicate that the object at that point is near (close to you), and black means far away.
-
Black is Near:
Black pixels in the Z buffer indicate that
the object at that point is near (close to you), and white means far
away.
-
Z Buffer Use:
Popup menu, Default: Luma
.
Determines how the ZBuffer input channels make a monochrome z image.
-
Luma:
the luminance of the RGB channels is used.
- Alpha: only the Alpha channel is used, or if there is no valid Alpha channel the Red channel is used.
- Alpha: only the Alpha channel is used, or if there is no valid Alpha channel the Red channel is used.
-
Luma:
the luminance of the RGB channels is used.