The opacity of a material’s surface.
SDKs
- iOS 9.0+
- macOS 10.11+
- Mac Catalyst 13.0+
- tvOS 9.0+
Framework
- Model I/O
Declaration
MDLMaterialSemanticOpacity
Discussion
Model I/O uses this semantic for the d and map attributes when importing from the MTL file format (for assets in the OBJ file format).