Occlusion
Overview
The Occlusion distribution samples an ambient occlusion map of the terrain for masking crevices or mountain ridges.
Parameters
Random Samples Uses random samples instead of fixed steps. Can improve performance but causes grain on lower values.
Horizontal Steps The number of horizontal steps in the occlusion computation.
Vertical Steps The number of vertical steps in the occlusion computation.
Steps Multiplier for the overall steps.
Grain Controls the amount of grain in the final mask.
Occlusion Range Allows you to clamp the result of the ao calculation.
Radius The sampling radius of the ao algorithm. Smaller values capture smaller scale details, while larger values result in the detection of large scale terrain features.
Flatten Improves detection of detail in flat areas.
Results
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