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recognize_swept_envelope

brep_kernel

Function recognize_swept_envelope 

Source 
pub fn recognize_swept_envelope(
    profile: &[NurbsCurve],
    path: &SweepPath,
    placement_mode: SectionPlacement,
) -> Result<Result<SweptEnvelope, String>, KernelRefusal>
Expand description

Recognize the one configuration the envelope lane builds, or say — in words a refusal can quote — which half of it this sweep is not.

Ok(Ok(plan)) is the configuration; Ok(Err(reason)) is a measured reason it is not. A path that is not tight at all reads Err too: this lane only ever speaks past ρκ = 1, and below it the skinning lanes own the shape.