grasshopper2
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ComponentAuto-generatedSurface
Principal Curvatures
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Compute the principal curvatures at a surface locus.

Input parameters:

  1. Sf → Surface to evaluate.
  2. Lc → Evaluation locus.

Output parameters:

  1. C1 → Maximum (absolute) principal curvature.
  2. C2 → Minimum (absolute) principal curvature.
  3. K1 → Principal curvature direction corresponding to C¹.
  4. K2 → Principal curvature direction corresponding to C².