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image_curve_pair

brep_kernel

Function image_curve_pair 

Source 
pub fn image_curve_pair(
    first: &NurbsSurface,
    second: &NurbsSurface,
    pcurve: &NurbsCurve,
    tolerance: f64,
    site: &str,
) -> Result<(ImageCurve, ImageCurve), String>
Expand description

The images of ONE pcurve on TWO surfaces, guaranteed to share a basis.

thicken’s side wall is ruled_wall(bottom, top), which refuses unless the two boundary curves agree in degree, knots and weights. Fitting the two sheets independently would let their adaptive sample sets diverge, so the approximation tier fits both over ONE parameter set refined against the worse of the two. The tier is chosen once and applies to both.