Relations with Splines
| Constraints to Internal Spline Points | Constraints to End Spline Points |
|---|---|
| Coincident | Horizontal |
| Concentric | Vertical |
| Perpendicular | Tangent |
| Tangent | Coincident |
| Midpoint | Concentric |
| Fix | Midpoint |
| Fix | |
| Merge |
| Constraints to Internal Handles | Constraints to End Handles |
|---|---|
| Tangent | Equal Curvature |
| Tangent |
| Constraints Between Handles |
|---|
| Parallel |
| Horizontal |
| Vertical |
| Curvature |
| Tangent to Face |
|---|
| Adjacent faces and 2D or 3D splines |
Curvature Continuous Splines
The radius of curvature and the vector (direction) match when you add an
Equal Curvature relation between adjacent splines.
The splines are curvature continuous at the boundary.
Requirements:
- The second spline is unconstrained.
- The two splines share an endpoint.