Type of auxiliary reference layer.
| Name | Value | Description | Notes |
|---|---|---|---|
| Alpha | - | Transparency layer. | |
| DepthMap | - | Depth map layer. | |
| HdrGainMap | - | High dynamic range layer. Defined as "urn:com:apple:photo:2020:aux:hdrgainmap". |
|
| PortraitEffectsMatte | - | Layer that represents the portrait effects matte of the image. Defined as "urn:com:apple:photo:2018:aux:portraiteffectsmatte". |
|
| SemanticHairMatte | - | Layer that represents the semantic segmentation hair matte of the image. Defined as "urn:com:apple:photo:2019:aux:semantichairmatte". |
|
| SemanticSkinMatte | - | Layer that represents the semantic segmentation skin matte of the image. Defined as "urn:com:apple:photo:2019:aux:semanticskinmatte". |
|
| SemanticTeethMatte | - | Layer that represents the semantic segmentation teeth matte of the image. Defined as "urn:com:apple:photo:2019:aux:semanticteethmatte". |
|
| SemanticGlassesMatte | - | Layer that represents the semantic segmentation glasses matte of the image. Defined as "urn:com:apple:photo:2020:aux:semanticglassesmatte". |
|
| SemanticSkyMatte | - | Layer that represents the semantic segmentation sky matte of the image. Defined as "urn:com:apple:photo:2020:aux:semanticskymatte". |
|
| LinearThumbnail | - | Defined as "tag:apple.com,2023:photo:aux:linearthumbnail". | |
| StyleDeltaMap | - | Defined as "tag:apple.com,2023:photo:aux:styledeltamap". | |
| Undefined | - | Undefined layer. |
