Cavity from Tangent Space Normal

• Where to find it:

• Add Adjustment Layer / Extension Pack / Normal Map /

• NodeGraph / Right Mouse Click / Nodes / Filter / Extension Pack / Normal Map /

• Behaviour
• Node Overview
• Node Properties
• Main
• Cavity Level

Cavity from Tangent Space Normal will create a pseudo cavity map based on your normal map.

The Nodes options behaves very similar to a Levels Adjustment after a channel specific weight.

• Red Channel hSv (saturation) will result in values being subtracted from the final result.
• Red Channel hsV (Value) is ignored
• Red Channel Midpoint is 0.5

• Green Channel hsV (value) will result in value being added to the final result.
• Green Channel hSv (saturation) is ignored
• Green channels Midpoint is 0.8

• Blue Channel hSv (saturation) will result in values being subtracted from the final result.
• Blue Channel hsV (Value) is ignored
• Blue Channel Midpoint is 0.5

• wh / md / blk options are a regular level on the final contribution

• Invert

Inverts the result of Cavity Levels

• wh

White Point. Similar to Levels Adjustment

• md

Mid Point. Similar to Levels Adjustment

• blk

Black Point. Similar to Levels Adjustment

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