# Type of HLR curves result.

> 8.1

## Index

Preprocessor Definitions

- `A3D_HLR_TYPE_UNKNOWN`
- `A3D_HLR_TYPE_EDGE`
- `A3D_HLR_TYPE_SILHOUETTE`
- `A3D_HLR_TYPE_SECTION`
- `A3D_HLR_TYPE_SILHOUETTE_SECTION`

Preprocessor Definitions

`A3D_HLR_TYPE_UNKNOWN`

  Unknown type.

`A3D_HLR_TYPE_EDGE`

  curve is a edge in the `A3DRiRepresentationItem`input

`A3D_HLR_TYPE_SILHOUETTE`

  curve is a silhouette

`A3D_HLR_TYPE_SECTION`

  curve is a section of previous boolean operation

`A3D_HLR_TYPE_SILHOUETTE_SECTION`

  curve is a silhouette and a section of previous boolean operation

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