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API REFERENCE / UTILITY

UFragmentOcclusionClassifier

Blueprint function library for classifying Fragment categories and material alpha values for hardware occlusion workflows.

classRuntimeBlueprint

Blueprint functions​

Classify Fragment​

Blueprint
Combines IFC category and material alpha into an occlusion role.

Inputs: Category: FString, MaterialAlpha: uint8
Outputs: Role: EOcclusionRole

Is Occluder Category​

Blueprint
Checks whether an IFC category represents a large structural occluder.

Inputs: Category: FString
Outputs: Occluder: bool

Is Transparent Material​

Blueprint
Checks whether alpha is below the classifier transparency threshold.

Inputs: MaterialAlpha: uint8
Outputs: Transparent: bool

Get Occlusion Role String​

Blueprint
Returns a human-readable label for an occlusion role.

Inputs: Role: EOcclusionRole
Outputs: RoleName: FString