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Analysis
Freeform
Primitive
SubD
Util

Evaluate the principal curvature of a surface at a {uv} coordinate.

Inputs

NameIDDescriptionType
SurfaceSBase surfaceSurface
Pointuv{uv} coordinate to evaluatePoint

Outputs

NameIDDescriptionType
FrameFSurface frame at (uv) coordinatePlane
MaximumMaximum (absolute) principal curvatureNumber
MinimumMinimum (absolute) principal curvatureNumber
Max directionPrincipal curvature direction corresponding to C¹.Vector
Min directionPrincipal curvature direction corresponding to C².Vector

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