Enumerates the different types of silhouettes and their origins.
Enum values
| Name | Value | Description |
|---|---|---|
| None | 0 | None. |
| Projecting | 1 | Boundary of a region that projects to a curve. The view direction is tangent to the surface over the entire region. |
| TangentProjects | 2 | Tangent silhouette curve where the curve projects to a point (within tolerance). In this case side_fill[i] is meaningless so it's left unset. |
| Tangent | 4 | Tangent silhouette curve. The view direction is tangent to the surface along the curve. |
| Crease | 8 | Crease on geometry that is a silhouette. |
| Boundary | 16 | Boundary of geometry is always a silhouette. |
| NonSilhouetteCrease | 256 | A non-silhouette crease, meaning both sides are visible. |
| NonSilhouetteTangent | 512 | A non-silhouette tangent edge that is not a crease. |
| NonSilhouetteSeam | 1024 | A non-silhouette surface seam. |
| SectionCut | 4096 | Intersection with a clipping plane. |
| MiscellaneousFeature | 8192 | Miscellaneous curve feature. |
| DraftCurve | 32768 | Draft curve is a curve of constant draft angle. |