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Principal Curvature
Evaluate the principal curvature of a surface at a {uv} coordinate.
Inputs
| Name | ID | Description | Type |
|---|---|---|---|
| Surface | S | Base surface | Surface |
| Point | uv | {uv} coordinate to evaluate | Point |
Outputs
| Name | ID | Description | Type |
|---|---|---|---|
| Frame | F | Surface frame at (uv) coordinate | Plane |
| Maximum | C¹ | Maximum (absolute) principal curvature | Number |
| Minimum | C² | Minimum (absolute) principal curvature | Number |
| Max direction | K¹ | Principal curvature direction corresponding to C¹. | Vector |
| Min direction | K² | Principal curvature direction corresponding to C². | Vector |
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